build: 10.11.116

fix: 网关监控页面 js释放
test: Benchmark编译错误

src/Admin/ThingsGateway.Admin.Razor/Components/AdminTable.razor

@@ -4,8 +4,8 @@
 
 <div class="tg-table h-100">
 
-    <Table TItem="TItem" IsBordered="true" IsStriped="true" TableSize="TableSize.Compact" SelectedRows=SelectedRows SelectedRowsChanged=privateSelectedRowsChanged IsMultipleSelect="IsMultipleSelect" @ref="Instance" SearchTemplate="SearchTemplate"
-           DataService="DataService" CreateItemCallback="CreateItemCallback!" RenderMode=RenderMode
+    <Table Id=@Id TItem="TItem" IsBordered="true" IsStriped="true" TableSize="TableSize.Compact" SelectedRows=SelectedRows SelectedRowsChanged=privateSelectedRowsChanged IsMultipleSelect="IsMultipleSelect" @ref="Instance" SearchTemplate="SearchTemplate"
+           DataService="DataService" CreateItemCallback="CreateItemCallback!" RenderMode=RenderMode OnColumnCreating=OnColumnCreating
            IsPagination="IsPagination" PageItemsSource="PageItemsSource" IsFixedHeader="IsFixedHeader" IndentSize=24 RowHeight=RowHeight ShowSearchText="ShowSearchText" ShowSearchButton="ShowSearchButton" DisableEditButtonCallback="DisableEditButtonCallback" DisableDeleteButtonCallback="DisableDeleteButtonCallback" BeforeShowEditDialogCallback=" BeforeShowEditDialogCallback!"
            IsTree="IsTree" OnTreeExpand="OnTreeExpand!" TreeNodeConverter="TreeNodeConverter!" TreeIcon="fa-solid fa-circle-chevron-right" TreeExpandIcon="fa-solid fa-circle-chevron-right fa-rotate-90" IsAutoQueryFirstRender=IsAutoQueryFirstRender
            ShowDefaultButtons="ShowDefaultButtons" ShowAdvancedSearch="ShowAdvancedSearch" ShowResetButton=ShowResetButton
@@ -14,7 +14,7 @@
            ShowSkeleton="true" ShowLoading="ShowLoading" ShowSearch="ShowSearch" SearchModel=@SearchModel ShowLineNo
            SearchMode=SearchMode ShowExportPdfButton=ShowExportPdfButton ExportButtonText=@ExportButtonText
            ShowExportButton=@ShowExportButton Items=Items ClickToSelect=ClickToSelect ScrollMode=ScrollMode
-           ShowExportCsvButton=@ShowExportCsvButton ShowCardView=ShowCardView
+           ShowExportCsvButton=@ShowExportCsvButton ShowCardView=ShowCardView OnColumnVisibleChanged=OnColumnVisibleChanged
            FixedExtendButtonsColumn=FixedExtendButtonsColumn FixedMultipleColumn=FixedMultipleColumn FixedDetailRowHeaderColumn=FixedDetailRowHeaderColumn FixedLineNoColumn=FixedLineNoColumn
            IsAutoRefresh=IsAutoRefresh AutoRefreshInterval=AutoRefreshInterval
            AllowDragColumn=@AllowDragColumn Height=@Height ShowRefresh=ShowRefresh

src/Admin/ThingsGateway.Admin.Razor/Components/AdminTable.razor.cs

@@ -13,13 +13,22 @@ namespace ThingsGateway.Admin.Razor;
 [CascadingTypeParameter(nameof(TItem))]
 public partial class AdminTable<TItem> where TItem : class, new()
 {
+    /// <inheritdoc cref="Table{TItem}.OnColumnVisibleChanged"/>
+    [Parameter]
+    public Func<string, bool, Task> OnColumnVisibleChanged { get; set; }
 
+    /// <inheritdoc cref="Table{TItem}.OnColumnCreating"/>
+    [Parameter]
+    public Func<List<ITableColumn>, Task> OnColumnCreating { get; set; }
     /// <inheritdoc cref="Table{TItem}.RenderMode"/>
     [Parameter]
     public TableRenderMode RenderMode { get; set; }
 
     public List<ITableColumn> Columns => Instance?.Columns;
 
+    public IEnumerable<ITableColumn> GetVisibleColumns => Instance?.GetVisibleColumns();
+    public List<TItem> Rows => Instance?.Rows;
+
 
     /// <inheritdoc cref="Table{TItem}.SelectedRowsChanged"/>
     [Parameter]
@@ -158,6 +167,9 @@ public partial class AdminTable<TItem> where TItem : class, new()
     [Parameter]
     public IDataService<TItem> DataService { get; set; }
 
+    [Parameter]
+    public string? Id { get; set; }
+
     /// <inheritdoc cref="Table{TItem}.CreateItemCallback"/>
     [Parameter]
     public Func<TItem> CreateItemCallback { get; set; }

src/Admin/ThingsGateway.Admin.Razor/Pages/HardwareInfoPage.razor.cs

@@ -72,7 +72,7 @@ public partial class HardwareInfoPage : IDisposable
             ChartDataSource.Options.Title = Localizer[nameof(HistoryHardwareInfo)];
             ChartDataSource.Options.X.Title = Localizer["DateTime"];
             ChartDataSource.Options.Y.Title = Localizer["Data"];
-            ChartDataSource.Labels = hisHardwareInfos.Select(a => a.Date.ToString("dd HH:mm zz"));
+            ChartDataSource.Labels = hisHardwareInfos.Select(a => a.Date.ToString("dd-HH:mm"));
             ChartDataSource.Data.Add(new ChartDataset()
             {
                 Tension = 0.4f,
@@ -116,7 +116,7 @@ public partial class HardwareInfoPage : IDisposable
         else
         {
             var hisHardwareInfos = await HardwareJob.GetHistoryHardwareInfos();
-            ChartDataSource.Labels = hisHardwareInfos.Select(a => a.Date.ToString("dd HH:mm zz"));
+            ChartDataSource.Labels = hisHardwareInfos.Select(a => a.Date.ToString("dd-HH:mm"));
             ChartDataSource.Data[0].Data = hisHardwareInfos.Select(a => (object)a.CpuUsage);
             ChartDataSource.Data[1].Data = hisHardwareInfos.Select(a => (object)a.MemoryUsage);
             ChartDataSource.Data[2].Data = hisHardwareInfos.Select(a => (object)a.DriveUsage);

src/Admin/ThingsGateway.Admin.Razor/ThingsGateway.Admin.Razor.csproj

@@ -5,7 +5,7 @@
 
 	<ItemGroup>
 		<ProjectReference Include="..\ThingsGateway.Admin.Application\ThingsGateway.Admin.Application.csproj" />
-		<PackageReference Include="BootstrapBlazor.Chart" Version="9.0.3" />
+		<PackageReference Include="BootstrapBlazor.Chart" Version="9.0.4" />
 		<PackageReference Include="BootstrapBlazor.UniverSheet" Version="9.0.5" />
 		<PackageReference Include="BootstrapBlazor.WinBox" Version="9.0.7" />
 		<PackageReference Include="BootstrapBlazor.CodeEditor" Version="9.0.3" />

src/Admin/ThingsGateway.NewLife.X/Collections/NonBlockingDictionary/ConcurrentDictionary/DictionaryImpl`2.cs

@@ -4,7 +4,6 @@
 
 #nullable disable
 
-using System.Collections;
 using System.Runtime.CompilerServices;
 
 namespace System.Collections.Concurrent

src/Admin/ThingsGateway.NewLife.X/Collections/NonBlockingDictionary/NonBlockingDictionary.cs

@@ -5,12 +5,10 @@
 #nullable disable
 #pragma warning disable CS8632 // The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.
 
-using System.Collections;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
-using System.Collections.Concurrent;
 
 using static System.Collections.Concurrent.DictionaryImpl;
 

src/Admin/ThingsGateway.NewLife.X/Collections/ObjectPool.cs

@@ -31,8 +31,8 @@ public class ObjectPool<T> : DisposeBase, IPool<T> where T : notnull
     /// <summary>最小个数。默认1</summary>
     public Int32 Min { get; set; } = 1;
 
-    /// <summary>空闲清理时间。最小个数之上的资源超过空闲时间时被清理，默认10s</summary>
-    public Int32 IdleTime { get; set; } = 10;
+    /// <summary>空闲清理时间。最小个数之上的资源超过空闲时间时被清理，默认60s</summary>
+    public Int32 IdleTime { get; set; } = 60;
 
     /// <summary>完全空闲清理时间。最小个数之下的资源超过空闲时间时被清理，默认0s永不清理</summary>
     public Int32 AllIdleTime { get; set; } = 0;
@@ -126,9 +126,7 @@ public class ObjectPool<T> : DisposeBase, IPool<T> where T : notnull
                 if (Max > 0 && count >= Max)
                 {
                     var msg = $"申请失败，已有 {count:n0} 达到或超过最大值 {Max:n0}";
-
                     WriteLog("Acquire Max " + msg);
-
                     throw new Exception(Name + " " + msg);
                 }
 
@@ -268,7 +266,7 @@ public class ObjectPool<T> : DisposeBase, IPool<T> where T : notnull
         {
             if (_timer != null) return;
 
-            _timer = new TimerX(Work, null, 5000, 5000) { Async = true };
+            _timer = new TimerX(Work, null, 60000, 60000) { Async = true };
         }
     }
 
@@ -281,7 +279,7 @@ public class ObjectPool<T> : DisposeBase, IPool<T> where T : notnull
         var count = 0;
 
         // 清理过期不还。避免有借没还
-        if (!_busy.IsEmpty)
+        if (AllIdleTime > 0 && !_busy.IsEmpty)
         {
             var exp = TimerX.Now.AddSeconds(-AllIdleTime);
             foreach (var item in _busy)

src/Admin/ThingsGateway.NewLife.X/Collections/ObjectPoolLock.cs

@@ -0,0 +1,262 @@
+using ThingsGateway.NewLife.Log;
+using ThingsGateway.NewLife.Reflection;
+
+namespace ThingsGateway.NewLife.Collections;
+
+/// <summary>资源池。支持空闲释放，主要用于数据库连接池和网络连接池</summary>
+/// <remarks>
+/// 文档 https://newlifex.com/core/object_pool
+/// </remarks>
+/// <typeparam name="T"></typeparam>
+public class ObjectPoolLock<T> : DisposeBase, IPool<T> where T : class
+{
+    #region 属性
+    /// <summary>名称</summary>
+    public String Name { get; set; }
+
+    private Int32 _FreeCount;
+    /// <summary>空闲个数</summary>
+    public Int32 FreeCount => _FreeCount;
+
+    private Int32 _BusyCount;
+    /// <summary>繁忙个数</summary>
+    public Int32 BusyCount => _BusyCount;
+
+    /// <summary>最大个数。默认0，0表示无上限</summary>
+    public Int32 Max { get; set; } = 0;
+
+    /// <summary>最小个数。默认1</summary>
+    public Int32 Min { get; set; } = 1;
+
+    private readonly object _syncRoot = new();
+
+    /// <summary>基础空闲集合。只保存最小个数，最热部分</summary>
+    private readonly Stack<T> _free = new();
+
+    /// <summary>扩展空闲集合。保存最小个数以外部分</summary>
+    private readonly Queue<T> _free2 = new();
+
+    /// <summary>借出去的放在这</summary>
+    private readonly HashSet<T> _busy = new();
+
+    //private readonly Object SyncRoot = new();
+    #endregion
+
+    #region 构造
+    /// <summary>实例化一个资源池</summary>
+    public ObjectPoolLock()
+    {
+        var str = GetType().Name;
+        if (str.Contains('`')) str = str.Substring(null, "`");
+        if (str != "Pool")
+            Name = str;
+        else
+            Name = $"Pool<{typeof(T).Name}>";
+
+    }
+    ~ObjectPoolLock()
+    {
+        this.TryDispose();
+    }
+    /// <summary>销毁</summary>
+    /// <param name="disposing"></param>
+    protected override void Dispose(Boolean disposing)
+    {
+        base.Dispose(disposing);
+
+        WriteLog($"Dispose {typeof(T).FullName} FreeCount={FreeCount:n0} BusyCount={BusyCount:n0}");
+
+        Clear();
+    }
+
+    private volatile Boolean _inited;
+    private void Init()
+    {
+        if (_inited) return;
+
+        lock (lockThis)
+        {
+            if (_inited) return;
+            _inited = true;
+
+            WriteLog($"Init {typeof(T).FullName} Min={Min} Max={Max}");
+        }
+    }
+    #endregion
+
+    #region 主方法
+    /// <summary>借出</summary>
+    /// <returns></returns>
+    public virtual T Get()
+    {
+        T? pi = null;
+        do
+        {
+            lock (_syncRoot)
+            {
+                if (_free.Count > 0)
+                {
+                    pi = _free.Pop();
+                    _FreeCount--;
+                }
+                else if (_free2.Count > 0)
+                {
+                    pi = _free2.Dequeue();
+                    _FreeCount--;
+                }
+                else
+                {
+                    var count = BusyCount;
+                    if (Max > 0 && count >= Max)
+                    {
+                        var msg = $"申请失败，已有 {count:n0} 达到或超过最大值 {Max:n0}";
+                        WriteLog("Acquire Max " + msg);
+                        throw new Exception(Name + " " + msg);
+                    }
+
+                    pi = OnCreate();
+                    if (count == 0) Init();
+
+#if DEBUG
+                    WriteLog("Acquire Create Free={0} Busy={1}", FreeCount, count + 1);
+#endif
+                }
+            }
+
+            // 如果拿到的对象不可用，则重新借
+        } while (pi == null || !OnGet(pi));
+
+        lock (_syncRoot)
+        {
+            // 加入繁忙集合
+            _busy.Add(pi);
+
+            _BusyCount++;
+        }
+        return pi;
+    }
+
+    /// <summary>借出时是否可用</summary>
+    /// <param name="value"></param>
+    /// <returns></returns>
+    protected virtual Boolean OnGet(T value) => true;
+
+    /// <summary>申请资源包装项，Dispose时自动归还到池中</summary>
+    /// <returns></returns>
+    public PoolItem<T> GetItem() => new(this, Get());
+
+    /// <summary>归还</summary>
+    /// <param name="value"></param>
+    public virtual Boolean Return(T value)
+    {
+        if (value == null) return false;
+        lock (_syncRoot)
+        {
+            // 从繁忙队列找到并移除缓存项
+            if (!_busy.Remove(value))
+            {
+#if DEBUG
+                WriteLog("Return Error");
+#endif
+
+                return false;
+            }
+
+            _BusyCount--;
+        }
+
+        // 是否可用
+        if (!OnReturn(value))
+        {
+            return false;
+        }
+
+        if (value is DisposeBase db && db.Disposed)
+        {
+            return false;
+        }
+        lock (_syncRoot)
+        {
+            if (_FreeCount < Min)
+                _free.Push(value);
+            else
+                _free2.Enqueue(value);
+            _FreeCount++;
+        }
+
+        return true;
+    }
+
+    /// <summary>归还时是否可用</summary>
+    /// <param name="value"></param>
+    /// <returns></returns>
+    protected virtual Boolean OnReturn(T value) => true;
+
+    /// <summary>清空已有对象</summary>
+    public virtual Int32 Clear()
+    {
+        var count = _FreeCount + _BusyCount;
+
+        //_busy.Clear();
+        //_BusyCount = 0;
+
+        //_free.Clear();
+        //while (_free2.TryDequeue(out var rs)) ;
+        //_FreeCount = 0;
+
+        lock (_syncRoot)
+        {
+            count = _FreeCount + _BusyCount;
+
+            while (_free.Count > 0)
+            {
+                var pi = _free.Pop();
+                OnDispose(pi);
+            }
+
+            while (_free2.Count > 0)
+            {
+                var pi = _free2.Dequeue();
+                OnDispose(pi);
+            }
+
+            _FreeCount = 0;
+
+            foreach (var item in _busy)
+            {
+                OnDispose(item);
+            }
+            _busy.Clear();
+            _BusyCount = 0;
+        }
+
+        return count;
+    }
+
+    /// <summary>销毁</summary>
+    /// <param name="value"></param>
+    protected virtual void OnDispose(T? value) => value.TryDispose();
+    #endregion
+
+    #region 重载
+    /// <summary>创建实例</summary>
+    /// <returns></returns>
+    protected virtual T? OnCreate() => (T?)typeof(T).CreateInstance();
+    #endregion
+    protected object lockThis = new();
+
+    #region 日志
+    /// <summary>日志</summary>
+    public ILog Log { get; set; } = Logger.Null;
+
+    /// <summary>写日志</summary>
+    /// <param name="format"></param>
+    /// <param name="args"></param>
+    public void WriteLog(String format, params Object?[] args)
+    {
+        if (Log?.Enable != true) return;
+
+        Log.Info(Name + "." + format, args);
+    }
+    #endregion
+}

src/Admin/ThingsGateway.NewLife.X/Collections/ValueStopwatch.cs

@@ -0,0 +1,48 @@
+namespace ThingsGateway.NewLife.Collections;
+
+
+using System;
+using System.Diagnostics;
+
+internal struct ValueStopwatch
+{
+#if !NET7_0_OR_GREATER
+    private static readonly double TimestampToTicks = TimeSpan.TicksPerSecond / (double)Stopwatch.Frequency;
+#endif
+
+    private readonly long _startTimestamp;
+
+    public bool IsActive => _startTimestamp != 0;
+
+    private ValueStopwatch(long startTimestamp)
+    {
+        _startTimestamp = startTimestamp;
+    }
+
+    public static ValueStopwatch StartNew() => new ValueStopwatch(Stopwatch.GetTimestamp());
+
+    public static TimeSpan GetElapsedTime(long startingTimestamp, long endingTimestamp)
+    {
+#if !NET7_0_OR_GREATER
+        var timestampDelta = endingTimestamp - startingTimestamp;
+        var ticks = (long)(TimestampToTicks * timestampDelta);
+        return new TimeSpan(ticks);
+#else
+        return Stopwatch.GetElapsedTime(startingTimestamp, endingTimestamp);
+#endif
+    }
+
+    public TimeSpan GetElapsedTime()
+    {
+        // Start timestamp can't be zero in an initialized ValueStopwatch. It would have to be literally the first thing executed when the machine boots to be 0.
+        // So it being 0 is a clear indication of default(ValueStopwatch)
+        if (!IsActive)
+        {
+            throw new InvalidOperationException("An uninitialized, or 'default', ValueStopwatch cannot be used to get elapsed time.");
+        }
+
+        var end = Stopwatch.GetTimestamp();
+
+        return GetElapsedTime(_startTimestamp, end);
+    }
+}

src/Admin/ThingsGateway.NewLife.X/Common/ExpiringDictionary.cs

@@ -62,7 +62,7 @@ public class ExpiringDictionary<TKey, TValue> : IDisposable
         this.comparer = comparer;
         _dict = new NonBlockingDictionary<TKey, CacheItem>(comparer);
 
-        _cleanupTimer = new TimerX(TimerClear, null, 10000, 10000) { Async = true };
+        _cleanupTimer = new TimerX(TimerClear, null, 60000, 60000) { Async = true };
     }
 
     public bool TryAdd(TKey key, TValue value)

src/Admin/ThingsGateway.NewLife.X/Common/LinkedCancellationTokenSourceCache.cs

@@ -8,7 +8,7 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
-namespace ThingsGateway.Foundation;
+namespace ThingsGateway.NewLife;
 
 public class LinkedCancellationTokenSourceCache : IDisposable
 {
@@ -63,6 +63,7 @@ public class LinkedCancellationTokenSourceCache : IDisposable
             _cachedCts?.Dispose();
             _cachedCts = null!;
         }
+        GC.SuppressFinalize(this);
     }
 }
 

src/Admin/ThingsGateway.NewLife.X/Common/ReusableCancellationTokenSource.cs

@@ -10,13 +10,18 @@
 //  感谢您的下载和使用
 //------------------------------------------------------------------------------
 
-namespace ThingsGateway.Foundation;
+namespace ThingsGateway.NewLife;
 
 using System;
 using System.Threading;
 
 public sealed class ReusableCancellationTokenSource : IDisposable
 {
+    ~ReusableCancellationTokenSource()
+    {
+        Dispose();
+    }
+
     private readonly Timer _timer;
     private CancellationTokenSource? _cts;
 
@@ -47,7 +52,7 @@ public sealed class ReusableCancellationTokenSource : IDisposable
     /// <summary>
     /// 获取一个 CTS，并启动超时
     /// </summary>
-    public CancellationTokenSource GetTokenSource(long timeout, CancellationToken external1 = default, CancellationToken external2 = default, CancellationToken external3 = default)
+    public CancellationToken GetTokenSource(long timeout, CancellationToken external1 = default, CancellationToken external2 = default, CancellationToken external3 = default)
     {
         TimeoutStatus = false;
 
@@ -57,7 +62,7 @@ public sealed class ReusableCancellationTokenSource : IDisposable
         // 启动 Timer
         _timer.Change(timeout, Timeout.Infinite);
 
-        return _cts;
+        return _cts.Token;
     }
 
 
@@ -71,15 +76,16 @@ public sealed class ReusableCancellationTokenSource : IDisposable
     /// </summary>
     public void Cancel()
     {
-        _cts?.SafeCancel();
+        try { _cts?.Cancel(); } catch { }
     }
 
     public void Dispose()
     {
-        _cts?.SafeCancel();
-        _cts?.SafeDispose();
-        _linkedCtsCache.SafeDispose();
-        _timer.SafeDispose();
+        try { _cts?.Cancel(); } catch { }
+        try { _cts?.Dispose(); } catch { }
+        try { _linkedCtsCache?.Dispose(); } catch { }
+        try { _timer?.Dispose(); } catch { }
+        GC.SuppressFinalize(this);
     }
 }
 

src/Admin/ThingsGateway.NewLife.X/Common/WaitLock.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using ThingsGateway.NewLife.Collections;
+
 namespace ThingsGateway.NewLife;
 
 /// <summary>
@@ -90,21 +92,119 @@ public sealed class WaitLock : IDisposable
     /// </summary>
     public Task WaitAsync(CancellationToken cancellationToken = default)
     {
-        return _waiterLock.WaitAsync(cancellationToken);
+#if NET6_0_OR_GREATER
+        if (cancellationToken.CanBeCanceled)
+            return WaitUntilCountOrTimeoutAsync(_waiterLock.WaitAsync(Timeout.Infinite, CancellationToken.None), Timeout.Infinite, cancellationToken);
+        //return WaitUntilAsync2(_waiterLock.WaitAsync(Timeout.Infinite, CancellationToken.None), Timeout.Infinite, cancellationToken);
+        else
+            return _waiterLock.WaitAsync(Timeout.Infinite, CancellationToken.None);
+
+#else
+        return _waiterLock.WaitAsync(Timeout.Infinite, cancellationToken);
+#endif
     }
 
+#if NET6_0_OR_GREATER
+
+
+    //private ObjectPoolLock<ReusableCancellationTokenSource> _reusableTimeouts = new();
+
+    /// <summary>Performs the asynchronous wait.</summary>
+    /// <param name="asyncWaiter">The asynchronous waiter.</param>
+    /// <param name="millisecondsTimeout">The timeout.</param>
+    /// <param name="cancellationToken">The cancellation token.</param>
+    /// <returns>The task to return to the caller.</returns>
+    private Task<bool> WaitUntilCountOrTimeoutAsync(Task<bool> asyncWaiter, int millisecondsTimeout, CancellationToken cancellationToken)
+    {
+        if (millisecondsTimeout == Timeout.Infinite)
+        {
+            return (asyncWaiter.WaitAsync(cancellationToken));
+        }
+        else
+        {
+            return (asyncWaiter.WaitAsync(TimeSpan.FromMilliseconds(millisecondsTimeout), cancellationToken));
+        }
+    }
+
+    //private Task WaitUntilAsync2(Task task, int timeoutMs, CancellationToken token)
+    //{
+    //    if (task.IsCompleted) return task;
+
+    //    var tcs = new TaskCompletionSource<object?>(TaskCreationOptions.RunContinuationsAsynchronously);
+    //    var reusableTimeout = _reusableTimeouts.Get();
+
+    //    CancellationTokenRegistration ctr = default;
+
+    //    // 超时 + 取消 Token
+    //    if (timeoutMs != Timeout.Infinite || token.CanBeCanceled)
+    //    {
+    //        var ctsToken = reusableTimeout.GetTokenSource(timeoutMs, token);
+
+    //        ctr = ctsToken.Register(static (state, token2) =>
+    //        {
+    //            var (tcs2, ctoken) = ((TaskCompletionSource<object?>, CancellationToken))state!;
+    //            if (ctoken.IsCancellationRequested)
+    //                tcs2.TrySetCanceled(ctoken);
+    //            else
+    //                tcs2.TrySetException(new TimeoutException("The operation has timed out."));
+    //        }, (tcs, token));
+    //    }
+
+    //    if (task.IsCompleted)
+    //    {
+    //        _reusableTimeouts.Return(reusableTimeout);
+    //        ctr.Dispose();
+    //        return task;
+    //    }
+
+    //    // 监听原始任务
+    //    task.ContinueWith(static (t, state) =>
+    //    {
+    //        var (tcs2, ctr2, ctsPool, cts) = ((TaskCompletionSource<object?>, CancellationTokenRegistration, ObjectPoolLock<ReusableCancellationTokenSource>, ReusableCancellationTokenSource))state!;
+    //        try
+    //        {
+    //            if (t.IsCanceled)
+    //                tcs2.TrySetCanceled();
+    //            else if (t.IsFaulted)
+    //                tcs2.TrySetException(t.Exception!.InnerExceptions);
+    //            else
+    //                tcs2.TrySetResult(null);
+    //        }
+    //        finally
+    //        {
+    //            ctsPool.Return(cts);
+    //            ctr2.Dispose();
+    //        }
+    //    }, (tcs, ctr, _reusableTimeouts, reusableTimeout), CancellationToken.None, TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Default);
+
+    //    return tcs.Task;
+    //}
+
+#endif
+
     /// <summary>
     /// 进入锁
     /// </summary>
     public Task<bool> WaitAsync(int millisecondsTimeout, CancellationToken cancellationToken = default)
     {
+#if NET6_0_OR_GREATER
+        if (cancellationToken.CanBeCanceled || millisecondsTimeout != Timeout.Infinite)
+            return WaitUntilCountOrTimeoutAsync(_waiterLock.WaitAsync(Timeout.Infinite, CancellationToken.None), millisecondsTimeout, cancellationToken);
+        else
+            return _waiterLock.WaitAsync(Timeout.Infinite, CancellationToken.None);
+
+#else
         return _waiterLock.WaitAsync(millisecondsTimeout, cancellationToken);
+#endif
     }
 
     bool DisposedValue;
     public void Dispose()
     {
         DisposedValue = true;
+#if NET6_0_OR_GREATER
+        //_reusableTimeouts?.TryDispose();
+#endif
         _waiterLock?.TryDispose();
         GC.SuppressFinalize(this);
     }

src/Admin/ThingsGateway.NewLife.X/Logger/TextFileLog.cs

@@ -234,7 +234,7 @@ public class TextFileLog : Logger, IDisposable
         if (!_isFile && Backups > 0)
         {
             // 判断日志目录是否已存在
-            var di = LogPath.GetBasePath().AsDirectory();
+            DirectoryInfo? di = new DirectoryInfo(LogPath);
             if (di.Exists)
             {
                 // 删除*.del

src/Admin/ThingsGateway.NewLife.X/PooledAwait/AwaitableExtensions.cs

@@ -0,0 +1,15 @@
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// Provides async/await-related extension methods
+    /// </summary>
+    public static class AwaitableExtensions
+    {
+        /// <summary>Controls whether a yield operation should respect captured context</summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static ConfiguredYieldAwaitable ConfigureAwait(this YieldAwaitable _, bool continueOnCapturedContext)
+            => new ConfiguredYieldAwaitable(continueOnCapturedContext);
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/ConfiguredYieldAwaitable.cs

@@ -0,0 +1,125 @@
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>Provides an awaitable context for switching into a target environment.</summary>
+    public readonly struct ConfiguredYieldAwaitable
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is ConfiguredYieldAwaitable other && other._continueOnCapturedContext == _continueOnCapturedContext;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => _continueOnCapturedContext ? 1 : 0;
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(ConfiguredYieldAwaitable);
+
+        private readonly bool _continueOnCapturedContext;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal ConfiguredYieldAwaitable(bool continueOnCapturedContext)
+            => _continueOnCapturedContext = continueOnCapturedContext;
+
+        /// <summary>Gets an awaiter for this <see cref="ConfiguredYieldAwaitable"/>.</summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ConfiguredYieldAwaiter GetAwaiter()
+            => new ConfiguredYieldAwaiter(_continueOnCapturedContext);
+
+        /// <summary>Provides an awaitable context for switching into a target environment.</summary>
+        public readonly struct ConfiguredYieldAwaiter : ICriticalNotifyCompletion, INotifyCompletion
+        {
+            /// <summary><see cref="Object.Equals(Object)"/></summary>
+            public override bool Equals(object? obj) => obj is ConfiguredYieldAwaiter other && other._continueOnCapturedContext == _continueOnCapturedContext;
+            /// <summary><see cref="Object.GetHashCode"/></summary>
+            public override int GetHashCode() => _continueOnCapturedContext ? 1 : 0;
+            /// <summary><see cref="Object.ToString"/></summary>
+            public override string ToString() => nameof(ConfiguredYieldAwaiter);
+
+            private readonly bool _continueOnCapturedContext;
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal ConfiguredYieldAwaiter(bool continueOnCapturedContext)
+                => _continueOnCapturedContext = continueOnCapturedContext;
+
+            /// <summary>Gets whether a yield is not required.</summary>
+            public bool IsCompleted
+            {
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
+                get => false;
+            }
+
+            /// <summary>Ends the await operation.</summary>
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public void GetResult() { }
+
+            /// <summary>Posts the <paramref name="continuation"/> back to the current context.</summary>
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public void OnCompleted(Action continuation)
+            {
+                if (_continueOnCapturedContext) YieldFlowContext(continuation, true);
+                else YieldNoContext(continuation, true);
+            }
+
+            /// <summary>Posts the <paramref name="continuation"/> back to the current context.</summary>
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public void UnsafeOnCompleted(Action continuation)
+            {
+                if (_continueOnCapturedContext) YieldFlowContext(continuation, false);
+                else YieldNoContext(continuation, false);
+            }
+
+            private static readonly WaitCallback s_waitCallbackRunAction = state => ((Action?)state)?.Invoke();
+
+#if PLAT_THREADPOOLWORKITEM
+            private sealed class ContinuationWorkItem : IThreadPoolWorkItem
+            {
+                private Action? _continuation;
+
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
+                private ContinuationWorkItem() => Internal.Counters.ItemBoxAllocated.Increment();
+
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
+                public static ContinuationWorkItem Create(Action continuation)
+                {
+                    var box = Pool<ContinuationWorkItem>.TryGet() ?? new ContinuationWorkItem();
+                    box._continuation = continuation;
+                    return box;
+                }
+
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
+                void IThreadPoolWorkItem.Execute()
+                {
+                    var callback = _continuation;
+                    _continuation = null;
+                    Pool<ContinuationWorkItem>.TryPut(this);
+                    callback?.Invoke();
+                }
+            }
+#endif
+            [MethodImpl(MethodImplOptions.NoInlining)] // no-one ever calls ConfigureAwait(true)!
+            private static void YieldFlowContext(Action continuation, bool flowContext)
+            {
+                var awaiter = default(YieldAwaitable.YieldAwaiter);
+                if (flowContext) awaiter.OnCompleted(continuation);
+                else awaiter.UnsafeOnCompleted(continuation);
+            }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            private static void YieldNoContext(Action continuation, bool flowContext)
+            {
+                if (flowContext)
+                {
+                    ThreadPool.QueueUserWorkItem(s_waitCallbackRunAction, continuation);
+                }
+                else
+                {
+#if PLAT_THREADPOOLWORKITEM
+                    ThreadPool.UnsafeQueueUserWorkItem(ContinuationWorkItem.Create(continuation), false);
+#elif NETSTANDARD1_3
+                    ThreadPool.QueueUserWorkItem(s_waitCallbackRunAction, continuation);
+#else
+                    ThreadPool.UnsafeQueueUserWorkItem(s_waitCallbackRunAction, continuation);
+#endif
+                }
+            }
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/FireAndForget.cs

@@ -0,0 +1,62 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// Represents an operation that completes at the first incomplete await,
+    /// with the remainder continuing in the background
+    /// </summary>
+    [AsyncMethodBuilder(typeof(MethodBuilders.FireAndForgetMethodBuilder))]
+    public readonly struct FireAndForget
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => ThrowHelper.ThrowNotSupportedException<bool>();
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => ThrowHelper.ThrowNotSupportedException<int>();
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(FireAndForget);
+
+        /// <summary>
+        /// Raised when exceptions occur on fire-and-forget methods
+        /// </summary>
+        public static event Action<Exception>? Exception;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static void OnException(Exception exception)
+        {
+            if (exception != null) Exception?.Invoke(exception);
+        }
+
+        /// <summary>
+        /// Gets the instance as a value-task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ValueTask AsValueTask() => default;
+
+        /// <summary>
+        /// Gets the instance as a task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public Task AsTask() => TaskUtils.CompletedTask;
+
+        /// <summary>
+        /// Gets the instance as a task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator Task(FireAndForget _) => TaskUtils.CompletedTask;
+
+        /// <summary>
+        /// Gets the instance as a value-task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator ValueTask(FireAndForget _) => default;
+
+        /// <summary>
+        /// Gets the awaiter for the instance
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ValueTaskAwaiter GetAwaiter() => default(ValueTask).GetAwaiter();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/IResettable.cs

@@ -0,0 +1,13 @@
+namespace PooledAwait
+{
+    /// <summary>
+    /// Indicates that an object can be reset
+    /// </summary>
+    public interface IResettable
+    {
+        /// <summary>
+        /// Resets this instance
+        /// </summary>
+        public void Reset();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/BrowsableAttribute.cs

@@ -0,0 +1,12 @@
+#if NETSTANDARD1_3
+using System;
+
+namespace PooledAwait.Internal
+{
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple = false, Inherited = true)]
+    internal sealed class BrowsableAttribute : Attribute
+    {
+        public BrowsableAttribute(bool _) { }
+    }
+}
+#endif

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/Counters.cs

@@ -0,0 +1,68 @@
+using System.Diagnostics;
+
+namespace PooledAwait.Internal
+{
+    internal static class Counters
+    {
+        internal struct Counter
+        {
+            private long _value;
+            [Conditional("DEBUG")]
+            public void Increment() => Interlocked.Increment(ref _value);
+#if !DEBUG
+            [System.Obsolete("Release only", false)]
+#endif
+            public long Value => Interlocked.Read(ref _value);
+#pragma warning disable CS0618
+            public override string ToString() => Value.ToString();
+#pragma warning restore CS0618
+            public override bool Equals(object? obj) => ThrowHelper.ThrowNotSupportedException<bool>();
+            public override int GetHashCode() => ThrowHelper.ThrowNotSupportedException<int>();
+            public void Reset() => Interlocked.Exchange(ref _value, 0);
+        }
+
+        internal static Counter
+            SetStateMachine,
+            PooledStateAllocated,
+            PooledStateRecycled,
+            StateMachineBoxAllocated,
+            StateMachineBoxRecycled,
+            ItemBoxAllocated,
+            TaskAllocated,
+            LazyStateAllocated;
+
+#if !DEBUG
+        [System.Obsolete("Release only", false)]
+#endif
+        public static long TotalAllocations =>
+            PooledStateAllocated.Value + StateMachineBoxAllocated.Value
+            + ItemBoxAllocated.Value + TaskAllocated.Value
+            + SetStateMachine.Value // SetStateMachine usually means a boxed value
+            + LazyStateAllocated.Value;
+
+        internal static void Reset()
+        {
+            SetStateMachine.Reset();
+            PooledStateAllocated.Reset();
+            PooledStateRecycled.Reset();
+            StateMachineBoxAllocated.Reset();
+            StateMachineBoxRecycled.Reset();
+            ItemBoxAllocated.Reset();
+            TaskAllocated.Reset();
+            LazyStateAllocated.Reset();
+        }
+
+#if !DEBUG
+        [System.Obsolete("Release only", false)]
+#endif
+        internal static string Summary()
+            => $@"SetStateMachine: {SetStateMachine.Value}
+PooledStateAllocated: {PooledStateAllocated.Value}
+PooledStateRecycled: {PooledStateRecycled.Value}
+StateMachineBoxAllocated: {StateMachineBoxAllocated.Value}
+StateMachineBoxRecycled: {StateMachineBoxRecycled.Value}
+ItemBoxAllocated: {ItemBoxAllocated.Value}
+TaskAllocated: {TaskAllocated.Value}
+LazyStateAllocated: {LazyStateAllocated.Value}";
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/LazyTaskStateT.cs

@@ -0,0 +1,173 @@
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait.Internal
+{
+    internal sealed class LazyTaskState<T>
+    {
+        private short _version;
+        private T _result;
+        private Exception? _exception;
+        private Task? _task;
+        private bool _isComplete;
+        private ValueTaskCompletionSource<T> _source;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void CheckTokenInsideLock(short token)
+        {
+            if (token != _version) ThrowHelper.ThrowInvalidOperationException();
+        }
+        private object _syncRoot = new object();
+        public Task GetTask(short token)
+        {
+            lock (_syncRoot)
+            {
+                CheckTokenInsideLock(token);
+                if (_task != null) { }
+                else if (_exception is OperationCanceledException) _task = TaskUtils.TaskFactory<T>.Canceled;
+                else if (_exception != null) _task = TaskUtils.FromException<T>(_exception);
+                else if (_isComplete) _task = typeof(T) == typeof(Nothing) ? TaskUtils.CompletedTask : TaskUtils.TaskFactory<T>.FromResult(_result);
+                else
+                {
+                    _source = ValueTaskCompletionSource<T>.Create();
+                    _task = _source.Task;
+                }
+                return _task;
+            }
+        }
+
+        internal bool IsValid(short token) => Volatile.Read(ref _version) == token;
+        internal bool HasSource
+        {
+            get
+            {
+                lock (_syncRoot) { return !_source.IsNull; }
+            }
+        }
+        internal bool HasTask => Volatile.Read(ref _task) != null;
+
+        public bool TrySetResult(short token, T result)
+        {
+            lock (_syncRoot)
+            {
+                if (_isComplete) return false;
+                if (token != _version) return false;
+                _isComplete = true;
+                if (!_source.IsNull) return _source.TrySetResult(result);
+                _result = result;
+                return true;
+            }
+        }
+
+        public bool TrySetException(short token, Exception exception)
+        {
+            lock (_syncRoot)
+            {
+                if (_isComplete) return false;
+                if (token != _version) return false;
+                _isComplete = true;
+                if (!_source.IsNull) return _source.TrySetException(exception);
+                _exception = exception;
+                return true;
+            }
+        }
+
+        public bool TrySetCanceled(short token, CancellationToken cancellationToken = default)
+        {
+            lock (_syncRoot)
+            {
+                if (_isComplete) return false;
+                if (token != _version) return false;
+                _isComplete = true;
+                if (!_source.IsNull) return _source.TrySetCanceled(cancellationToken);
+                _task = TaskUtils.TaskFactory<T>.Canceled;
+                return true;
+            }
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static LazyTaskState<T> Create() => Pool<LazyTaskState<T>>.TryGet() ?? new LazyTaskState<T>();
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private LazyTaskState()
+        {
+            Counters.LazyStateAllocated.Increment();
+            _result = default!;
+            _version = InitialVersion;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static LazyTaskState<T> CreateConstant(T value)
+        {
+            var obj = new LazyTaskState<T>
+            {
+                _version = Constant
+            };
+            obj.TrySetResult(Constant, value);
+            return obj;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static LazyTaskState<T> CreateCanceled()
+        {
+            var obj = new LazyTaskState<T>
+            {
+                _version = Constant
+            };
+            obj.TrySetCanceled(Constant);
+            return obj;
+        }
+
+        const short InitialVersion = 0, Constant = InitialVersion - 1;
+
+        internal short Version
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _version;
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal void Recycle(short token)
+        {
+            if (token == Constant) return; // never recycle constant values; this is by design
+
+            if (Volatile.Read(ref _version) != token) return; // wrong version; all bets are off!
+
+            if (!Volatile.Read(ref _isComplete)) // if incomplete, try to cancel
+            {
+                if (!TrySetCanceled(token)) return; // if that didn't work... give up - don't recycle
+            }
+
+            bool haveLock = false;
+            try
+            {
+                // only if uncontested; we're not waiting in a dispose
+                Monitor.TryEnter(_syncRoot, ref haveLock);
+                if (haveLock)
+                {
+                    if (token == _version)
+                    {
+                        _result = default!;
+                        _exception = default;
+                        _task = default;
+                        _isComplete = false;
+                        _source = default;
+
+                        switch (++_version)
+                        {
+                            case InitialVersion: // don't wrap all the way around when recycling; could lead to conflicts
+                            case Constant: // don't allow things to *become* constants
+                                break;
+                            default:
+                                Pool<LazyTaskState<T>>.TryPut(this);
+                                break;
+                        }
+                    }
+                }
+            }
+            finally
+            {
+                if (haveLock) Monitor.Exit(this);
+            }
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/ManualResetValueTaskSourceCore.cs

@@ -0,0 +1,314 @@
+#if !PLAT_MRVTSC
+using System;
+using System.Diagnostics;
+using System.Runtime.ExceptionServices;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Threading.Tasks.Sources;
+
+// from: https://raw.githubusercontent.com/dotnet/coreclr/master/src/System.Private.CoreLib/shared/System/Threading/Tasks/Sources/ManualResetValueTaskSourceCore.cs
+// original license:
+
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace PooledAwait.Internal
+{
+    internal readonly struct WaitCallbackShim
+    {
+        public readonly Action<object?>? Continuation;
+        public readonly object? State;
+        private WaitCallbackShim(Action<object?>? continuation, object? state)
+        {
+            Continuation = continuation;
+            State = state;
+        }
+        public static object Create(Action<object?>? continuation, object? state)
+            => Pool.Box(new WaitCallbackShim(continuation, state));
+
+        private void InvokeContinuation() => Continuation?.Invoke(State);
+
+        public static readonly WaitCallback Invoke = state => Pool.UnboxAndReturn<WaitCallbackShim>(state).InvokeContinuation();
+    }
+
+    /// <summary>Provides the core logic for implementing a manual-reset <see cref="IValueTaskSource"/> or <see cref="IValueTaskSource{TResult}"/>.</summary>
+    /// <typeparam name="TResult"></typeparam>
+    [StructLayout(LayoutKind.Auto)]
+    public struct ManualResetValueTaskSourceCore<TResult>
+    {
+        /// <summary>
+        /// The callback to invoke when the operation completes if <see cref="OnCompleted"/> was called before the operation completed,
+        /// or <see cref="ManualResetValueTaskSourceCoreShared.s_sentinel"/> if the operation completed before a callback was supplied,
+        /// or null if a callback hasn't yet been provided and the operation hasn't yet completed.
+        /// </summary>
+        private Action<object?>? _continuation;
+        /// <summary>State to pass to <see cref="_continuation"/>.</summary>
+        private object? _continuationState;
+        /// <summary><see cref="ExecutionContext"/> to flow to the callback, or null if no flowing is required.</summary>
+        private ExecutionContext? _executionContext;
+        /// <summary>
+        /// A "captured" <see cref="SynchronizationContext"/> or <see cref="TaskScheduler"/> with which to invoke the callback,
+        /// or null if no special context is required.
+        /// </summary>
+        private object? _capturedContext;
+        /// <summary>Whether the current operation has completed.</summary>
+        private bool _completed;
+        /// <summary>The result with which the operation succeeded, or the default value if it hasn't yet completed or failed.</summary>
+        /* [AllowNull, MaybeNull] */
+        private TResult _result;
+        /// <summary>The exception with which the operation failed, or null if it hasn't yet completed or completed successfully.</summary>
+        private ExceptionDispatchInfo? _error;
+        /// <summary>The current version of this value, used to help prevent misuse.</summary>
+        private short _version;
+
+        /// <summary>Gets or sets whether to force continuations to run asynchronously.</summary>
+        /// <remarks>Continuations may run asynchronously if this is false, but they'll never run synchronously if this is true.</remarks>
+        public bool RunContinuationsAsynchronously { get; set; }
+
+        /// <summary>Resets to prepare for the next operation.</summary>
+        public void Reset()
+        {
+            // Reset/update state for the next use/await of this instance.
+            _version++;
+            _completed = false;
+            _result = default!; // TODO-NULLABLE: Remove ! when nullable attributes are respected
+            _error = null;
+            _executionContext = null;
+            _capturedContext = null;
+            _continuation = null;
+            _continuationState = null;
+        }
+
+        /// <summary>Completes with a successful result.</summary>
+        /// <param name="result">The result.</param>
+        public void SetResult(TResult result)
+        {
+            _result = result;
+            SignalCompletion();
+        }
+
+        /// <summary>Complets with an error.</summary>
+        /// <param name="error"></param>
+        public void SetException(Exception error)
+        {
+            _error = ExceptionDispatchInfo.Capture(error);
+            SignalCompletion();
+        }
+
+        /// <summary>Gets the operation version.</summary>
+        public short Version => _version;
+
+        /// <summary>Gets the status of the operation.</summary>
+        /// <param name="token">Opaque value that was provided to the <see cref="ValueTask"/>'s constructor.</param>
+        public ValueTaskSourceStatus GetStatus(short token)
+        {
+            ValidateToken(token);
+            return
+                _continuation == null || !_completed ? ValueTaskSourceStatus.Pending :
+                _error == null ? ValueTaskSourceStatus.Succeeded :
+                _error.SourceException is OperationCanceledException ? ValueTaskSourceStatus.Canceled :
+                ValueTaskSourceStatus.Faulted;
+        }
+
+        /// <summary>Gets the result of the operation.</summary>
+        /// <param name="token">Opaque value that was provided to the <see cref="ValueTask"/>'s constructor.</param>
+        // [StackTraceHidden]
+        public TResult GetResult(short token)
+        {
+            ValidateToken(token);
+            if (!_completed)
+            {
+                ThrowHelper.ThrowInvalidOperationException();
+            }
+
+            _error?.Throw();
+            return _result;
+        }
+
+        /// <summary>Schedules the continuation action for this operation.</summary>
+        /// <param name="continuation">The continuation to invoke when the operation has completed.</param>
+        /// <param name="state">The state object to pass to <paramref name="continuation"/> when it's invoked.</param>
+        /// <param name="token">Opaque value that was provided to the <see cref="ValueTask"/>'s constructor.</param>
+        /// <param name="flags">The flags describing the behavior of the continuation.</param>
+        public void OnCompleted(Action<object?> continuation, object? state, short token, ValueTaskSourceOnCompletedFlags flags)
+        {
+            if (continuation == null) ThrowHelper.ThrowArgumentNullException(nameof(continuation));
+            ValidateToken(token);
+
+            if ((flags & ValueTaskSourceOnCompletedFlags.FlowExecutionContext) != 0)
+            {
+                _executionContext = ExecutionContext.Capture();
+            }
+
+            if ((flags & ValueTaskSourceOnCompletedFlags.UseSchedulingContext) != 0)
+            {
+                SynchronizationContext? sc = SynchronizationContext.Current;
+                if (sc != null && sc.GetType() != typeof(SynchronizationContext))
+                {
+                    _capturedContext = sc;
+                }
+                else
+                {
+                    TaskScheduler ts = TaskScheduler.Current;
+                    if (ts != TaskScheduler.Default)
+                    {
+                        _capturedContext = ts;
+                    }
+                }
+            }
+
+            // We need to set the continuation state before we swap in the delegate, so that
+            // if there's a race between this and SetResult/Exception and SetResult/Exception
+            // sees the _continuation as non-null, it'll be able to invoke it with the state
+            // stored here.  However, this also means that if this is used incorrectly (e.g.
+            // awaited twice concurrently), _continuationState might get erroneously overwritten.
+            // To minimize the chances of that, we check preemptively whether _continuation
+            // is already set to something other than the completion sentinel.
+
+            object? oldContinuation = _continuation;
+            if (oldContinuation == null)
+            {
+                _continuationState = state;
+                oldContinuation = Interlocked.CompareExchange(ref _continuation, continuation, null);
+            }
+
+            if (oldContinuation != null)
+            {
+                // Operation already completed, so we need to queue the supplied callback.
+                if (!ReferenceEquals(oldContinuation, ManualResetValueTaskSourceCoreShared.s_sentinel))
+                {
+                    ThrowHelper.ThrowInvalidOperationException();
+                }
+
+                switch (_capturedContext)
+                {
+                    case null:
+                        if (_executionContext != null)
+                        {
+                            ThreadPool.QueueUserWorkItem(WaitCallbackShim.Invoke, WaitCallbackShim.Create(continuation, state));
+                        }
+                        else
+                        {
+#if NETSTANDARD1_3
+                            ThreadPool.QueueUserWorkItem(
+#else
+                            ThreadPool.UnsafeQueueUserWorkItem(
+#endif
+                                WaitCallbackShim.Invoke, WaitCallbackShim.Create(continuation, state));
+                        }
+                        break;
+
+                    case SynchronizationContext sc:
+                        sc.Post(s =>
+                        {
+                            var tuple = (Tuple<Action<object?>, object?>)s!;
+                            tuple.Item1(tuple.Item2);
+                        }, Tuple.Create(continuation, state));
+                        break;
+
+                    case TaskScheduler ts:
+                        Task.Factory.StartNew(continuation, state, CancellationToken.None, TaskCreationOptions.DenyChildAttach, ts);
+                        break;
+                }
+            }
+        }
+
+        /// <summary>Ensures that the specified token matches the current version.</summary>
+        /// <param name="token">The token supplied by <see cref="ValueTask"/>.</param>
+        private void ValidateToken(short token)
+        {
+            if (token != _version)
+            {
+                ThrowHelper.ThrowInvalidOperationException();
+            }
+        }
+
+        /// <summary>Signals that the operation has completed.  Invoked after the result or error has been set.</summary>
+        private void SignalCompletion()
+        {
+            if (_completed)
+            {
+                ThrowHelper.ThrowInvalidOperationException();
+            }
+            _completed = true;
+
+            if (_continuation != null || Interlocked.CompareExchange(ref _continuation, ManualResetValueTaskSourceCoreShared.s_sentinel, null) != null)
+            {
+                if (_executionContext != null)
+                {
+                    ExecutionContext.Run(
+                        _executionContext,
+                        s_UnboxAndInvokeContextCallback,
+                        Pool.Box<ManualResetValueTaskSourceCore<TResult>>(this));
+                }
+                else
+                {
+                    InvokeContinuation();
+                }
+            }
+        }
+
+        static readonly ContextCallback s_UnboxAndInvokeContextCallback = state => Pool.UnboxAndReturn<ManualResetValueTaskSourceCore<TResult>>(state).InvokeContinuation();
+
+        /// <summary>
+        /// Invokes the continuation with the appropriate captured context / scheduler.
+        /// This assumes that if <see cref="_executionContext"/> is not null we're already
+        /// running within that <see cref="ExecutionContext"/>.
+        /// </summary>
+        private void InvokeContinuation()
+        {
+            Debug.Assert(_continuation != null);
+
+            switch (_capturedContext)
+            {
+                case null:
+                    if (RunContinuationsAsynchronously)
+                    {
+                        if (_executionContext != null)
+                        {
+                            ThreadPool.QueueUserWorkItem(WaitCallbackShim.Invoke, WaitCallbackShim.Create(_continuation, _continuationState));
+                        }
+                        else
+                        {
+#if NETSTANDARD1_3
+                            ThreadPool.QueueUserWorkItem(
+#else
+                            ThreadPool.UnsafeQueueUserWorkItem(
+#endif
+                                WaitCallbackShim.Invoke, WaitCallbackShim.Create(_continuation, _continuationState));
+                        }
+                    }
+                    else
+                    {
+                        _continuation!(_continuationState);
+                    }
+                    break;
+
+                case SynchronizationContext sc:
+                    sc.Post(s =>
+                    {
+                        var state = (Tuple<Action<object?>, object?>)s!;
+                        state.Item1(state.Item2);
+                    }, Tuple.Create(_continuation, _continuationState));
+                    break;
+
+                case TaskScheduler ts:
+                    Task.Factory.StartNew(_continuation, _continuationState, CancellationToken.None, TaskCreationOptions.DenyChildAttach, ts);
+                    break;
+            }
+        }
+    }
+
+    internal static class ManualResetValueTaskSourceCoreShared // separated out of generic to avoid unnecessary duplication
+    {
+        internal static readonly Action<object?> s_sentinel = CompletionSentinel;
+        private static void CompletionSentinel(object? _) // named method to aid debugging
+        {
+            Debug.Fail("The sentinel delegate should never be invoked.");
+            ThrowHelper.ThrowInvalidOperationException();
+        }
+    }
+}
+#endif

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/Nothing.cs

@@ -0,0 +1,9 @@
+namespace PooledAwait.Internal
+{
+    internal readonly struct Nothing // to express ValueTask via PooledState<Nothing>
+    {
+        public override string ToString() => nameof(Nothing);
+        public override int GetHashCode() => 0;
+        public override bool Equals(object? obj) => obj is Nothing;
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/PooledStateT.cs

@@ -0,0 +1,124 @@
+using System.Runtime.CompilerServices;
+using System.Threading.Tasks.Sources;
+
+namespace PooledAwait.Internal
+{
+    internal sealed class PooledState<T> : IValueTaskSource<T>, IValueTaskSource
+    {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static PooledState<T> Create(out short token)
+        {
+            var obj = Pool<PooledState<T>>.TryGet() ?? new PooledState<T>();
+            token = obj._source.Version;
+            return obj;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private PooledState() => Counters.PooledStateAllocated.Increment();
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal bool IsValid(short token) => _source.Version == token;
+
+        private ManualResetValueTaskSourceCore<T> _source; // needs to be mutable
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public T GetResult(short token)
+        {
+            // we only support getting the result once; doing this recycles the source and advances the token
+
+            lock (SyncLock) // we need to be really paranoid about cross-threading over changing the token
+            {
+                var status = _source.GetStatus(token); // do this *outside* the try/finally
+                try // so that we don't increment the counter if someone asks for the wrong value
+                {
+                    switch (status)
+                    {
+                        case ValueTaskSourceStatus.Canceled:
+                            ThrowHelper.ThrowTaskCanceledException();
+                            break;
+                        case ValueTaskSourceStatus.Pending:
+                            Monitor.Wait(SyncLock);
+                            break;
+                    }
+                    return _source.GetResult(token);
+                }
+                finally
+                {
+                    _source.Reset();
+                    if (_source.Version != TaskUtils.InitialTaskSourceVersion)
+                    {
+                        Pool<PooledState<T>>.TryPut(this);
+                        Counters.PooledStateRecycled.Increment();
+                    }
+                }
+            }
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        void IValueTaskSource.GetResult(short token) => GetResult(token);
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        private void SignalResult(short token)
+        {
+            lock (SyncLock)
+            {
+                if (token == _source.Version && _source.GetStatus(token) != ValueTaskSourceStatus.Pending)
+                {
+                    Monitor.Pulse(SyncLock);
+                }
+            }
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ValueTaskSourceStatus GetStatus(short token) => _source.GetStatus(token);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void OnCompleted(Action<object?> continuation, object? state, short token, ValueTaskSourceOnCompletedFlags flags)
+            => _source.OnCompleted(continuation, state, token, flags);
+
+        private object SyncLock
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => this;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetException(Exception error, short token)
+        {
+            if (token == _source.Version)
+            {
+
+                switch (_source.GetStatus(token))
+                {
+                    case ValueTaskSourceStatus.Pending:
+                        _source.SetException(error);
+                        // only need to signal if SetException didn't inline a handler
+                        if (token == _source.Version) SignalResult(token);
+                        return true;
+                }
+            }
+            return false;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetResult(T result, short token)
+        {
+            if (token == _source.Version)
+            {
+                switch (_source.GetStatus(token))
+                {
+                    case ValueTaskSourceStatus.Pending:
+                        _source.SetResult(result);
+                        // only need to signal if SetResult didn't inline a handler
+                        if (token == _source.Version) SignalResult(token);
+                        return true;
+                }
+            }
+            return false;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetCanceled(short token)
+            => TrySetException(TaskUtils.SharedTaskCanceledException, token);
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/StateMachineBox.cs

@@ -0,0 +1,113 @@
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait.Internal
+{
+    internal sealed class StateMachineBox<TStateMachine>
+#if PLAT_THREADPOOLWORKITEM
+        : IThreadPoolWorkItem
+#endif
+            where TStateMachine : IAsyncStateMachine
+    {
+        private readonly Action _execute;
+        private TStateMachine _stateMachine;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private StateMachineBox()
+        {
+            _stateMachine = default!;
+            _execute = Execute;
+            Counters.StateMachineBoxAllocated.Increment();
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private static StateMachineBox<TStateMachine> Create(ref TStateMachine stateMachine)
+        {
+            var box = Pool<StateMachineBox<TStateMachine>>.TryGet() ?? new StateMachineBox<TStateMachine>();
+            box._stateMachine = stateMachine;
+            return box;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void AwaitOnCompleted<TAwaiter>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : INotifyCompletion
+        {
+            var box = Create(ref stateMachine);
+            if (typeof(TAwaiter) == typeof(YieldAwaitable.YieldAwaiter))
+            {
+                Yield(box, true);
+            }
+            else
+            {
+                awaiter.OnCompleted(box._execute);
+            }
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void AwaitUnsafeOnCompleted<TAwaiter>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : ICriticalNotifyCompletion
+        {
+            var box = Create(ref stateMachine);
+            if (typeof(TAwaiter) == typeof(YieldAwaitable.YieldAwaiter))
+            {
+                Yield(box, false);
+            }
+            else
+            {
+                awaiter.UnsafeOnCompleted(box._execute);
+            }
+        }
+
+        private static void Yield(StateMachineBox<TStateMachine> box, bool flowContext)
+        {
+            // heavily inspired by YieldAwaitable.QueueContinuation
+
+            var syncContext = SynchronizationContext.Current;
+            if (syncContext != null && syncContext.GetType() != typeof(SynchronizationContext))
+            {
+                syncContext.Post(s_SendOrPostCallback, box);
+            }
+            else
+            {
+                var taskScheduler = TaskScheduler.Current;
+                if (!ReferenceEquals(taskScheduler, TaskScheduler.Default))
+                {
+                    Task.Factory.StartNew(box._execute, default, TaskCreationOptions.PreferFairness, taskScheduler);
+                }
+                else if (flowContext)
+                {
+                    ThreadPool.QueueUserWorkItem(s_WaitCallback, box);
+                }
+                else
+                {
+#if PLAT_THREADPOOLWORKITEM
+                    ThreadPool.UnsafeQueueUserWorkItem(box, false);
+#elif NETSTANDARD1_3
+                    ThreadPool.QueueUserWorkItem(s_WaitCallback, box);
+#else
+                    ThreadPool.UnsafeQueueUserWorkItem(s_WaitCallback, box);
+#endif
+                }
+            }
+        }
+
+        static readonly SendOrPostCallback s_SendOrPostCallback = state => ((StateMachineBox<TStateMachine>?)state!)?.Execute();
+        static readonly WaitCallback s_WaitCallback = state => ((StateMachineBox<TStateMachine>?)state)?.Execute();
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Execute()
+        {
+            // extract the state
+            var tmp = _stateMachine;
+
+            // recycle the instance
+            _stateMachine = default!;
+            Pool<StateMachineBox<TStateMachine>>.TryPut(this);
+            Counters.StateMachineBoxRecycled.Increment();
+
+            // progress the state machine
+            tmp.MoveNext();
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/TaskUtils.cs

@@ -0,0 +1,171 @@
+using System.Runtime.CompilerServices;
+using System.Threading.Tasks.Sources;
+
+namespace PooledAwait.Internal
+{
+    // NET45 lacks some useful Task APIs; shim over them
+    internal static class TaskUtils
+    {
+        internal static readonly short InitialTaskSourceVersion = new ManualResetValueTaskSourceCore<Nothing>().Version;
+
+        public static readonly TaskCanceledException SharedTaskCanceledException = new TaskCanceledException();
+#if NET45
+        public static readonly Task CompletedTask = TaskFactory<Nothing>.FromResult(default);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Task<T> FromException<T>(Exception exception)
+        {
+            var source = ValueTaskCompletionSource<T>.Create();
+            source.TrySetException(exception);
+            return source.Task;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Task FromException(Exception exception) => FromException<bool>(exception);
+#else
+        public static readonly Task CompletedTask = Task.CompletedTask;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Task<T> FromException<T>(Exception exception) => Task.FromException<T>(exception);
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static Task FromException(Exception exception) => Task.FromException(exception);
+#endif
+
+
+        internal static class TaskFactory<TResult>
+        {
+            // draws from AsyncMethodBuilder, but less boxing
+
+            public static readonly Task<TResult> Canceled = CreateCanceled();
+
+            static Task<TResult> CreateCanceled()
+            {
+                var source = ValueTaskCompletionSource<TResult>.Create();
+                source.TrySetCanceled();
+                return source.Task;
+            }
+
+            private static readonly TaskCache<TResult> _cache = (TaskCache<TResult>)CreateCacheForType();
+
+            private static object CreateCacheForType()
+            {
+                if (typeof(TResult) == typeof(Nothing)) return new NothingTaskCache();
+                if (typeof(TResult) == typeof(int)) return new Int32TaskCache();
+                if (typeof(TResult) == typeof(int?)) return new NullableInt32TaskCache();
+                if (typeof(TResult) == typeof(bool)) return new BooleanTaskCache();
+                if (typeof(TResult) == typeof(bool?)) return new NullableBooleanTaskCache();
+
+                Type underlyingType = Nullable.GetUnderlyingType(typeof(TResult)) ?? typeof(TResult);
+                if (underlyingType == typeof(uint)
+                 || underlyingType == typeof(byte)
+                 || underlyingType == typeof(sbyte)
+                 || underlyingType == typeof(char)
+                 || underlyingType == typeof(decimal)
+                 || underlyingType == typeof(long)
+                 || underlyingType == typeof(ulong)
+                 || underlyingType == typeof(short)
+                 || underlyingType == typeof(ushort)
+                 || underlyingType == typeof(float)
+                 || underlyingType == typeof(double)
+                 || underlyingType == typeof(IntPtr)
+                 || underlyingType == typeof(UIntPtr)
+                    ) return new DefaultEquatableTaskCache<TResult>();
+
+                if (typeof(TResult) == typeof(string)) return new StringTaskCache();
+#if !NETSTANDARD1_3
+                if (!typeof(TResult).IsValueType) return new ObjectTaskCache<TResult>();
+#endif
+                return new TaskCache<TResult>();
+            }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public static Task<TResult> FromResult(TResult result) => _cache.FromResult(result);
+        }
+
+        class TaskCache<TResult>
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal virtual Task<TResult> FromResult(TResult value) => Task.FromResult(value);
+        }
+        class NothingTaskCache : TaskCache<Nothing>
+        {
+            private static readonly Task<Nothing> s_Instance = Task.FromResult<Nothing>(default);
+            internal override Task<Nothing> FromResult(Nothing value) => s_Instance;
+        }
+        class DefaultEquatableTaskCache<TResult> : TaskCache<TResult>
+        {
+            private static readonly Task<TResult> s_Default = Task.FromResult<TResult>(default!);
+            private static readonly EqualityComparer<TResult> _comparer = EqualityComparer<TResult>.Default;
+            internal override Task<TResult> FromResult(TResult value)
+                => _comparer.Equals(value, default!) ? s_Default : base.FromResult(value);
+        }
+        class ObjectTaskCache<TResult> : TaskCache<TResult>
+        {
+            private static readonly Task<TResult> s_Null = Task.FromResult<TResult>(default!);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal override Task<TResult> FromResult(TResult value)
+                => value == null ? s_Null : base.FromResult(value);
+        }
+        sealed class StringTaskCache : ObjectTaskCache<string>
+        {
+            private static readonly Task<string> s_Empty = Task.FromResult<string>("");
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal override Task<string> FromResult(string value)
+                => string.IsNullOrEmpty(value) ? s_Empty : base.FromResult(value);
+        }
+        sealed class BooleanTaskCache : TaskCache<bool>
+        {
+            static readonly Task<bool> s_True = Task.FromResult(true), s_False = Task.FromResult(false);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal override Task<bool> FromResult(bool value) => value ? s_True : s_False;
+        }
+        sealed class NullableBooleanTaskCache : TaskCache<bool?>
+        {
+            static readonly Task<bool?> s_True = Task.FromResult((bool?)true), s_False = Task.FromResult((bool?)false),
+                s_Null = Task.FromResult((bool?)null);
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal override Task<bool?> FromResult(bool? value) =>
+                value.HasValue ? (value.GetValueOrDefault() ? s_True : s_False) : s_Null;
+        }
+        sealed class Int32TaskCache : TaskCache<int>
+        {
+            const int MIN_INC = -1, MAX_EXC = 11;
+            static readonly Task<int>[] s_Known = CreateKnown();
+            static Task<int>[] CreateKnown()
+            {
+                var arr = new Task<int>[MAX_EXC - MIN_INC];
+                for (int i = 0; i < arr.Length; i++)
+                    arr[i] = Task.FromResult(i + MIN_INC);
+                return arr;
+            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal override Task<int> FromResult(int value)
+                => value >= MIN_INC && value < MAX_EXC ? s_Known[value - MIN_INC] : base.FromResult(value);
+        }
+        sealed class NullableInt32TaskCache : TaskCache<int?>
+        {
+            const int MIN_INC = -1, MAX_EXC = 11;
+            static readonly Task<int?>[] s_Known = CreateKnown();
+            static readonly Task<int?> s_Null = Task.FromResult((int?)null);
+            static Task<int?>[] CreateKnown()
+            {
+                var arr = new Task<int?>[MAX_EXC - MIN_INC];
+                for (int i = 0; i < arr.Length; i++)
+                    arr[i] = Task.FromResult((int?)(i + MIN_INC));
+                return arr;
+            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            internal override Task<int?> FromResult(int? nullable)
+            {
+                if (nullable.HasValue)
+                {
+                    int value = nullable.GetValueOrDefault();
+                    return value >= MIN_INC && value < MAX_EXC ? s_Known[value - MIN_INC] : base.FromResult(nullable);
+                }
+                return s_Null;
+            }
+        }
+
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Internal/ThrowHelper.cs

@@ -0,0 +1,30 @@
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait.Internal
+{
+    internal static class ThrowHelper
+    {
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static void ThrowInvalidOperationException(string? message = null)
+        {
+            if (string.IsNullOrWhiteSpace(message)) throw new InvalidOperationException();
+            else throw new InvalidOperationException(message);
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static T ThrowInvalidOperationException<T>(string? message = null)
+        {
+            ThrowInvalidOperationException(message);
+            return default!;
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static T ThrowNotSupportedException<T>() => throw new NotSupportedException();
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static void ThrowArgumentNullException(string paramName) => throw new ArgumentNullException(paramName);
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static void ThrowTaskCanceledException() => throw new TaskCanceledException();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/LazyTaskCompletionSource.cs

@@ -0,0 +1,127 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// Like a ValueTaskCompletionSource, but the actual task will only become allocated
+    /// if the .Task is consumed; this is useful for APIs where the consumer *may* consume a task
+    /// </summary>
+    public readonly struct LazyTaskCompletionSource : IDisposable
+    {
+
+        private static LazyTaskCompletionSource _completed, _canceled;
+
+        /// <summary>
+        /// A global LazyTaskCompletionSource that represents a completed operation
+        /// </summary>
+        public static LazyTaskCompletionSource CompletedTask
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _completed.IsValid ? _completed : _completed = new LazyTaskCompletionSource(LazyTaskState<Nothing>.CreateConstant(default));
+        }
+
+        /// <summary>
+        /// A global LazyTaskCompletionSource that represents a cancelled operation
+        /// </summary>
+        public static LazyTaskCompletionSource CanceledTask
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _canceled.IsValid ? _canceled : _canceled = new LazyTaskCompletionSource(LazyTaskState<Nothing>.CreateCanceled());
+        }
+
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is LazyTaskCompletionSource ltcs && _state == ltcs._state && _token == ltcs._token;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => (_state == null ? 0 : _state.GetHashCode()) ^ _token;
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(LazyTaskCompletionSource);
+
+        private readonly LazyTaskState<Nothing> _state;
+        private readonly short _token;
+
+        /// <summary>
+        /// Gets the task associated with this instance
+        /// </summary>
+        public Task Task => _state?.GetTask(_token) ?? ThrowHelper.ThrowInvalidOperationException<Task>();
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private LazyTaskCompletionSource(LazyTaskState<Nothing> state)
+        {
+            _state = state;
+            _token = state.Version;
+        }
+
+        /// <summary>
+        /// Create a new instance; this instance should be disposed when it is known to be unwanted
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static LazyTaskCompletionSource Create()
+            => new LazyTaskCompletionSource(LazyTaskState<Nothing>.Create());
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetResult() => _state?.TrySetResult(_token, default) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetCanceled(CancellationToken cancellationToken = default) => _state?.TrySetCanceled(_token, cancellationToken) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult()
+        {
+            if (!TrySetResult()) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetCanceled(CancellationToken cancellationToken = default)
+        {
+            if (!TrySetCanceled(cancellationToken)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetException(Exception exception) => _state?.TrySetException(_token, exception) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            if (!TrySetException(exception)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Release all resources associated with this operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Dispose() => _state?.Recycle(_token);
+
+        internal bool IsValid => _state?.IsValid(_token) == true;
+        internal bool HasSource => _state?.HasSource == true;
+        internal bool HasTask => _state?.HasTask == true;
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _state == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/LazyTaskCompletionSourceT.cs

@@ -0,0 +1,126 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// Like a ValueTaskCompletionSource<typeparamref name="T"/>, but the actual task will only become allocated
+    /// if the .Task is consumed; this is useful for APIs where the consumer *may* consume a task
+    /// </summary>
+    public readonly struct LazyTaskCompletionSource<T> : IDisposable
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is LazyTaskCompletionSource<T> ltcs && _state == ltcs._state && _token == ltcs._token;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => (_state == null ? 0 : _state.GetHashCode()) ^ _token;
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(LazyTaskCompletionSource);
+
+        private readonly LazyTaskState<T> _state;
+        private readonly short _token;
+
+        /// <summary>
+        /// Gets the task associated with this instance
+        /// </summary>
+        public Task<T> Task => (Task<T>)(_state?.GetTask(_token) ?? ThrowHelper.ThrowInvalidOperationException<Task<T>>());
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private LazyTaskCompletionSource(LazyTaskState<T> state)
+        {
+            _state = state;
+            _token = state.Version;
+        }
+
+        /// <summary>
+        /// Create a new instance; this instance should be disposed when it is known to be unwanted
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static LazyTaskCompletionSource<T> Create()
+            => new LazyTaskCompletionSource<T>(LazyTaskState<T>.Create());
+
+        /// <summary>
+        /// Create a new instance; this instance will never by recycled
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static LazyTaskCompletionSource<T> CreateConstant(T value)
+            => new LazyTaskCompletionSource<T>(LazyTaskState<T>.CreateConstant(value));
+
+
+        private static LazyTaskCompletionSource<T> _canceled;
+
+        /// <summary>
+        /// A global LazyTaskCompletionSource that represents a cancelled operation
+        /// </summary>
+        public static LazyTaskCompletionSource<T> CanceledTask
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _canceled.IsValid ? _canceled : _canceled = new LazyTaskCompletionSource<T>(LazyTaskState<T>.CreateCanceled());
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetResult(T result) => _state?.TrySetResult(_token, result) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult(T result)
+        {
+            if (!TrySetResult(result)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetCanceled(CancellationToken cancellationToken = default)
+            => _state?.TrySetCanceled(_token, cancellationToken) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetCanceled(CancellationToken cancellationToken = default)
+        {
+            if (!TrySetCanceled(cancellationToken)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetException(Exception exception) => _state?.TrySetException(_token, exception) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            if (!TrySetException(exception)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Release all resources associated with this operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Dispose() => _state?.Recycle(_token);
+
+        internal bool IsValid => _state?.IsValid(_token) == true;
+        internal bool HasSource => _state?.HasSource == true;
+        internal bool HasTask => _state?.HasTask == true;
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _state == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/MethodBuilders/FireAndForgetMethodBuilder.cs

@@ -0,0 +1,73 @@
+using PooledAwait.Internal;
+
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+#pragma warning disable CS1591
+
+namespace PooledAwait.MethodBuilders
+{
+    /// <summary>
+    /// This type is not intended for direct usage
+    /// </summary>
+    [Browsable(false)]
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public struct FireAndForgetMethodBuilder
+    {
+        public override bool Equals(object? obj) => ThrowHelper.ThrowNotSupportedException<bool>();
+        public override int GetHashCode() => ThrowHelper.ThrowNotSupportedException<int>();
+        public override string ToString() => nameof(FireAndForgetMethodBuilder);
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static FireAndForgetMethodBuilder Create() => default;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetStateMachine(IAsyncStateMachine _) => Counters.SetStateMachine.Increment();
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult() { }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception) => FireAndForget.OnException(exception);
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public FireAndForget Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => default;
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : INotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+            => StateMachineBox<TStateMachine>.AwaitOnCompleted(ref awaiter, ref stateMachine);
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : ICriticalNotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+            => StateMachineBox<TStateMachine>.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Start<TStateMachine>(ref TStateMachine stateMachine)
+            where TStateMachine : IAsyncStateMachine => stateMachine.MoveNext();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/MethodBuilders/PooledTaskMethodBuilder.cs

@@ -0,0 +1,105 @@
+using PooledAwait.Internal;
+
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+using SystemTask = System.Threading.Tasks.Task;
+
+#pragma warning disable CS1591
+
+namespace PooledAwait.MethodBuilders
+{
+    /// <summary>
+    /// This type is not intended for direct usage
+    /// </summary>
+    [Browsable(false)]
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public struct PooledTaskMethodBuilder
+    {
+        public override bool Equals(object? obj) => ThrowHelper.ThrowNotSupportedException<bool>();
+        public override int GetHashCode() => ThrowHelper.ThrowNotSupportedException<int>();
+        public override string ToString() => nameof(PooledTaskMethodBuilder);
+
+        private ValueTaskCompletionSource<Nothing> _source;
+        private Exception _exception;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static PooledTaskMethodBuilder Create() => default;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetStateMachine(IAsyncStateMachine _) => Counters.SetStateMachine.Increment();
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult()
+        {
+            _source.TrySetResult(default);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            _source.TrySetException(exception);
+            _exception = exception;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void EnsureHasTask()
+        {
+            if (_source.IsNull) _source = ValueTaskCompletionSource<Nothing>.Create();
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public PooledTask Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get
+            {
+                SystemTask task;
+                if (!_source.IsNull) task = _source.Task;
+                else if (_exception is OperationCanceledException) task = TaskUtils.TaskFactory<Nothing>.Canceled;
+                else if (_exception != null) task = TaskUtils.FromException(_exception);
+                else task = TaskUtils.CompletedTask;
+                return new PooledTask(task);
+            }
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : INotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : ICriticalNotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Start<TStateMachine>(ref TStateMachine stateMachine)
+            where TStateMachine : IAsyncStateMachine => stateMachine.MoveNext();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/MethodBuilders/PooledTaskMethodBuilderT.cs

@@ -0,0 +1,105 @@
+using PooledAwait.Internal;
+
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+#pragma warning disable CS1591
+
+namespace PooledAwait.MethodBuilders
+{
+    /// <summary>
+    /// This type is not intended for direct usage
+    /// </summary>
+    [Browsable(false)]
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public struct PooledTaskMethodBuilder<T>
+    {
+        public override bool Equals(object? obj) => ThrowHelper.ThrowNotSupportedException<bool>();
+        public override int GetHashCode() => ThrowHelper.ThrowNotSupportedException<int>();
+        public override string ToString() => nameof(PooledTaskMethodBuilder);
+
+        private ValueTaskCompletionSource<T> _source;
+        private Exception _exception;
+        private T _result;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static PooledTaskMethodBuilder<T> Create() => default;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetStateMachine(IAsyncStateMachine _) => Counters.SetStateMachine.Increment();
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult(T result)
+        {
+            _source.TrySetResult(result);
+            _result = result;
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            _source.TrySetException(exception);
+            _exception = exception;
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public PooledTask<T> Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get
+            {
+                Task<T> task;
+                if (!_source.IsNull) task = _source.Task;
+                else if (_exception is OperationCanceledException) task = TaskUtils.TaskFactory<T>.Canceled;
+                else if (_exception != null) task = TaskUtils.FromException<T>(_exception);
+                else task = TaskUtils.TaskFactory<T>.FromResult(_result);
+                return new PooledTask<T>(task);
+            }
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void EnsureHasTask()
+        {
+            if (_source.IsNull) _source = ValueTaskCompletionSource<T>.Create();
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : INotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : ICriticalNotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Start<TStateMachine>(ref TStateMachine stateMachine)
+            where TStateMachine : IAsyncStateMachine => stateMachine.MoveNext();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/MethodBuilders/PooledValueTaskMethodBuilder.cs

@@ -0,0 +1,94 @@
+using PooledAwait.Internal;
+
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+#pragma warning disable CS1591
+
+namespace PooledAwait.MethodBuilders
+{
+    /// <summary>
+    /// This type is not intended for direct usage
+    /// </summary>
+    [Browsable(false)]
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public struct PooledValueTaskMethodBuilder
+    {
+        public override bool Equals(object? obj) => ThrowHelper.ThrowNotSupportedException<bool>();
+        public override int GetHashCode() => ThrowHelper.ThrowNotSupportedException<int>();
+        public override string ToString() => nameof(PooledValueTaskMethodBuilder);
+
+        private PooledValueTaskSource _source;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static PooledValueTaskMethodBuilder Create() => default;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetStateMachine(IAsyncStateMachine _) => Counters.SetStateMachine.Increment();
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult()
+        {
+            _source.TrySetResult();
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            EnsureHasTask();
+            _source.TrySetException(exception);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void EnsureHasTask()
+        {
+            if (!_source.HasTask) _source = PooledValueTaskSource.Create();
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public PooledValueTask Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source.PooledTask;
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : INotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : ICriticalNotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Start<TStateMachine>(ref TStateMachine stateMachine)
+            where TStateMachine : IAsyncStateMachine => stateMachine.MoveNext();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/MethodBuilders/PooledValueTaskMethodBuilderT.cs

@@ -0,0 +1,95 @@
+using PooledAwait.Internal;
+
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+#pragma warning disable CS1591
+
+namespace PooledAwait.MethodBuilders
+{
+    /// <summary>
+    /// This type is not intended for direct usage
+    /// </summary>
+    [Browsable(false)]
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public struct PooledValueTaskMethodBuilder<T>
+    {
+        public override bool Equals(object? obj) => ThrowHelper.ThrowNotSupportedException<bool>();
+        public override int GetHashCode() => ThrowHelper.ThrowNotSupportedException<int>();
+        public override string ToString() => nameof(PooledValueTaskMethodBuilder);
+
+        private PooledValueTaskSource<T> _source;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static PooledValueTaskMethodBuilder<T> Create() => default;
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetStateMachine(IAsyncStateMachine _) => Counters.SetStateMachine.Increment();
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult(T result)
+        {
+            if (_source.HasTask) _source.TrySetResult(result);
+            else _source = new PooledValueTaskSource<T>(result);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            EnsureHasTask();
+            _source.TrySetException(exception);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void EnsureHasTask()
+        {
+            if (!_source.HasTask) _source = PooledValueTaskSource<T>.Create();
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public PooledValueTask<T> Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source.PooledTask;
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : INotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
+            ref TAwaiter awaiter, ref TStateMachine stateMachine)
+            where TAwaiter : ICriticalNotifyCompletion
+            where TStateMachine : IAsyncStateMachine
+        {
+            EnsureHasTask();
+            StateMachineBox<TStateMachine>.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
+        }
+
+        [Browsable(false)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Start<TStateMachine>(ref TStateMachine stateMachine)
+            where TStateMachine : IAsyncStateMachine => stateMachine.MoveNext();
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Pool.cs

@@ -0,0 +1,73 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// Utility methods for boxing value types efficiently, in particular for
+    /// avoid boxes and capture contexts in callbacks
+    /// </summary>
+    public static class Pool
+    {
+        /// <summary>
+        /// Gets an instance from the pool if possible
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static T? TryRent<T>() where T : class
+            => Pool<T>.TryGet();
+
+        /// <summary>
+        /// Puts an instance back into the pool
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void Return<T>(T value) where T : class
+        {
+            if (value is IResettable reset) reset.Reset();
+            Pool<T>.TryPut(value);
+        }
+
+        /// <summary>
+        /// Wraps a value-type into a boxed instance, using an object pool;
+        /// consider using value-tuples in particular
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static object Box<T>(in T value) where T : struct
+            => ItemBox<T>.Create(in value);
+
+        /// <summary>
+        /// Unwraps a value-type from a boxed instance and recycles
+        /// the instance, which should not be touched again
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static T UnboxAndReturn<T>(object obj) where T : struct
+            => ItemBox<T>.UnboxAndRecycle(obj);
+
+        internal sealed class ItemBox<T> where T : struct
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            private ItemBox() => Counters.ItemBoxAllocated.Increment();
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public static ItemBox<T> Create(in T value)
+            {
+                var box = Pool<ItemBox<T>>.TryGet() ?? new ItemBox<T>();
+                box._value = value;
+                return box;
+            }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public static T UnboxAndRecycle(object obj)
+            {
+                var box = (ItemBox<T>)obj;
+                var value = box._value;
+                box._value = default;
+                Pool<ItemBox<T>>.TryPut(box);
+                return value;
+            }
+#pragma warning disable IDE0044 // make field readonly? no, IDE, you're wrong
+            private T _value;
+#pragma warning restore IDE0044
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PoolSizeAttribute.cs

@@ -0,0 +1,21 @@
+#if !NETSTANDARD1_3
+namespace PooledAwait
+{
+    /// <summary>
+    /// Controls the number of elements to store in the pool
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple = false, Inherited = true)]
+    public sealed class PoolSizeAttribute : Attribute
+    {
+        /// <summary>
+        /// The number of elements to store in the pool
+        /// </summary>
+        public int Size { get; }
+
+        /// <summary>
+        /// Create a new PoolSizeAttribute instance
+        /// </summary>
+        public PoolSizeAttribute(int size) => Size = size;
+    }
+}
+#endif

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PoolT.cs

@@ -0,0 +1,47 @@
+using System.Runtime.CompilerServices;
+
+using ThingsGateway.NewLife.Collections;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// A general-purpose pool of object references; it is the caller's responsibility
+    /// to ensure that overlapped usage does not occur
+    /// </summary>
+    internal static class Pool<T> where T : class
+    {
+        private static ObjectPoolLock<T> pool = new();
+
+        [ThreadStatic]
+        private static T? ts_local;
+
+        /// <summary>
+        /// Gets an instance from the pool if possible
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static T? TryGet()
+        {
+            var tmp = ts_local;
+            ts_local = null;
+            return tmp ?? pool.Get();
+        }
+
+        /// <summary>
+        /// Puts an instance back into the pool
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void TryPut(T value)
+        {
+            if (value != null)
+            {
+                if (ts_local == null)
+                {
+                    ts_local = value;
+                    return;
+                }
+                pool.Return(value);
+            }
+        }
+    }
+
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PooledAwait.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+	<Import Project="..\..\Foundation.props" />
+
+	<PropertyGroup>
+		<IncludeAsyncInterfaces>false</IncludeAsyncInterfaces>
+	</PropertyGroup>
+
+	<PropertyGroup Condition="$(TargetFramework)=='net6.0'">
+		<DefineConstants>$(DefineConstants);PLAT_THREADPOOLWORKITEM;PLAT_MRVTSC</DefineConstants>
+	</PropertyGroup>
+	<PropertyGroup Condition="$(TargetFramework)=='net8.0'">
+		<DefineConstants>$(DefineConstants);PLAT_THREADPOOLWORKITEM;PLAT_MRVTSC</DefineConstants>
+	</PropertyGroup>
+
+	<PropertyGroup Condition="$(TargetFramework)=='netstandard2.0'">
+		<DefineConstants>$(DefineConstants);PLAT_MRVTSC</DefineConstants>
+		<IncludeAsyncInterfaces>true</IncludeAsyncInterfaces>
+	</PropertyGroup>
+
+	<PropertyGroup Condition="$(TargetFramework)=='net462'">
+		<DefineConstants>$(DefineConstants);PLAT_MRVTSC</DefineConstants>
+		<IncludeAsyncInterfaces>true</IncludeAsyncInterfaces>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="1.1.0" Condition="$(IncludeAsyncInterfaces)=='true'" />
+	</ItemGroup>
+
+</Project>

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PooledTask.cs

@@ -0,0 +1,60 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// A Task, but with a custom builder
+    /// </summary>
+    [AsyncMethodBuilder(typeof(MethodBuilders.PooledTaskMethodBuilder))]
+    public readonly struct PooledTask
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is PooledTask pt && _task == pt._task;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => _task == null ? 0 : _task.GetHashCode();
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(PooledTask);
+
+        private readonly Task _task;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal PooledTask(Task task) => _task = task;
+
+        /// <summary>
+        /// Gets the instance as a task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public Task AsTask() => _task ?? TaskUtils.CompletedTask;
+
+        /// <summary>
+        /// Gets the instance as a task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+
+        public static implicit operator Task(in PooledTask task) => task.AsTask();
+
+        /// <summary>
+        /// Gets the awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public TaskAwaiter GetAwaiter() => AsTask().GetAwaiter();
+
+        /// <summary>
+        /// Gets the configured awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ConfiguredTaskAwaitable ConfigureAwait(bool continueOnCapturedContext)
+            => AsTask().ConfigureAwait(continueOnCapturedContext);
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _task == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PooledTaskT.cs

@@ -0,0 +1,60 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// A Task<typeparamref name="T"/>, but with a custom builder
+    /// </summary>
+    [AsyncMethodBuilder(typeof(MethodBuilders.PooledTaskMethodBuilder<>))]
+    public readonly struct PooledTask<T>
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is PooledTask<T> pt && _task == pt._task;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => _task == null ? 0 : _task.GetHashCode();
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(PooledTask);
+
+        private readonly Task<T>? _task;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal PooledTask(Task<T> task) => _task = task;
+
+        /// <summary>
+        /// Gets the instance as a task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public Task<T> AsTask() => _task ?? ThrowHelper.ThrowInvalidOperationException<Task<T>>();
+
+        /// <summary>
+        /// Gets the instance as a task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+
+        public static implicit operator Task<T>(in PooledTask<T> task) => task.AsTask();
+
+        /// <summary>
+        /// Gets the awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public TaskAwaiter<T> GetAwaiter() => AsTask().GetAwaiter();
+
+        /// <summary>
+        /// Gets the configured awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ConfiguredTaskAwaitable<T> ConfigureAwait(bool continueOnCapturedContext)
+            => AsTask().ConfigureAwait(continueOnCapturedContext);
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _task == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PooledValueTask.cs

@@ -0,0 +1,71 @@
+using System.Runtime.CompilerServices;
+using System.Threading.Tasks.Sources;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// A ValueTask with a custom source and builder
+    /// </summary>
+    [AsyncMethodBuilder(typeof(MethodBuilders.PooledValueTaskMethodBuilder))]
+    public readonly struct PooledValueTask
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is PooledValueTask pvt && _source == pvt._source && _token == pvt._token;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => (_source == null ? 0 : _source.GetHashCode()) ^ _token;
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(PooledValueTask);
+
+        private readonly IValueTaskSource _source;
+        private readonly short _token;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal PooledValueTask(IValueTaskSource source, short token)
+        {
+            _source = source;
+            _token = token;
+        }
+
+        /// <summary>
+        /// Gets the instance as a value-task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ValueTask AsValueTask() => _source == null ? default : new ValueTask(_source, _token);
+
+        /// <summary>
+        /// Gets the instance as a value-task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator ValueTask(in PooledValueTask task) => task.AsValueTask();
+
+        /// <summary>
+        /// Gets the awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+#pragma warning disable CA2012 // 正确使用 ValueTask
+        public ValueTaskAwaiter GetAwaiter() => AsValueTask().GetAwaiter();
+#pragma warning restore CA2012 // 正确使用 ValueTask
+
+        /// <summary>
+        /// Gets the configured awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ConfiguredValueTaskAwaitable ConfigureAwait(bool continueOnCapturedContext)
+            => AsValueTask().ConfigureAwait(continueOnCapturedContext);
+
+        /// <summary>
+        /// Rents a task-source that will be recycled when the task is awaited
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static PooledValueTaskSource CreateSource() => PooledValueTaskSource.Create();
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PooledValueTaskSource.cs

@@ -0,0 +1,126 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// A task-source that automatically recycles when the task is awaited
+    /// </summary>
+    public readonly struct PooledValueTaskSource
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is PooledValueTaskSource pvt && _source == pvt._source && _token == pvt._token;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => (_source == null ? 0 : _source.GetHashCode()) ^ _token;
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(PooledValueTaskSource);
+
+        /// <summary>
+        /// Gets the task that corresponds to this instance; it can only be awaited once
+        /// </summary>
+        public ValueTask Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source == null ? default : new ValueTask(_source, _token);
+        }
+
+        /// <summary>
+        /// Indicates whether this instance is well-defined against a value task instance
+        /// </summary>
+        public bool HasTask
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source != null;
+        }
+
+        internal PooledValueTask PooledTask
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => new PooledValueTask(_source, _token);
+        }
+
+        /// <summary>
+        /// Rents a task-source that will be recycled when the task is awaited
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static PooledValueTaskSource Create()
+        {
+            var source = PooledState<Nothing>.Create(out var token);
+            return new PooledValueTaskSource(source, token);
+        }
+
+        private readonly PooledState<Nothing> _source;
+        private readonly short _token;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal PooledValueTaskSource(PooledState<Nothing> source, short token)
+        {
+            _source = source;
+            _token = token;
+        }
+
+        /// <summary>
+        /// Test whether the source is valid
+        /// </summary>
+        public bool IsValid
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source?.IsValid(_token) == true;
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetResult() => _source?.TrySetResult(default, _token) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult()
+        {
+            if (!TrySetResult()) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetException(Exception error) => _source?.TrySetException(error, _token) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            if (!TrySetException(exception)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetCanceled() => _source?.TrySetCanceled(_token) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetCanceled()
+        {
+            if (!TrySetCanceled()) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PooledValueTaskSourceT.cs

@@ -0,0 +1,141 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// A task-source that automatically recycles when the task is awaited
+    /// </summary>
+    public readonly struct PooledValueTaskSource<T>
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is PooledValueTaskSource<T> pvt && _token == pvt._token &&
+            (_source != null ? _source == pvt._source : (pvt._source == null && EqualityComparer<T>.Default.Equals(_value, pvt._value)));
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => (_source == null ? EqualityComparer<T>.Default.GetHashCode(_value!) : _source.GetHashCode()) ^ _token;
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(PooledValueTaskSource);
+
+        /// <summary>
+        /// Gets the task that corresponds to this instance; it can only be awaited once
+        /// </summary>
+        public ValueTask<T> Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source == null ? new ValueTask<T>(_value) : new ValueTask<T>(_source, _token);
+        }
+
+        /// <summary>
+        /// Indicates whether this instance is well-defined against a value task instance
+        /// </summary>
+        public bool HasTask
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source != null;
+        }
+
+        internal PooledValueTask<T> PooledTask
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source == null ? new PooledValueTask<T>(_value) : new PooledValueTask<T>(_source, _token);
+        }
+
+        /// <summary>
+        /// Rents a task-source that will be recycled when the task is awaited
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static PooledValueTaskSource<T> Create()
+        {
+            var source = PooledState<T>.Create(out var token);
+            return new PooledValueTaskSource<T>(source, token);
+        }
+
+        private readonly PooledState<T>? _source;
+        private readonly short _token;
+
+        private readonly T _value;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal PooledValueTaskSource(PooledState<T> source, short token)
+        {
+            _source = source;
+            _token = token;
+            _value = default!;
+        }
+
+        /// <summary>
+        /// Create a new PooledValueTaskSource that will yield a constant value without ever renting/recycling any background state
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public PooledValueTaskSource(T value)
+        {
+            _source = null;
+            _token = default;
+            _value = value!;
+        }
+
+        /// <summary>
+        /// Test whether the source is valid
+        /// </summary>
+        public bool IsValid
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source?.IsValid(_token) == true;
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetResult(T result) => _source?.TrySetResult(result, _token) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult(T result)
+        {
+            if (!TrySetResult(result)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetException(Exception error) => _source?.TrySetException(error, _token) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            if (!TrySetException(exception)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetCanceled() => _source?.TrySetCanceled(_token) == true;
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetCanceled()
+        {
+            if (!TrySetCanceled()) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/PooledValueTaskT.cs

@@ -0,0 +1,85 @@
+using PooledAwait.Internal;
+
+using System.Runtime.CompilerServices;
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// A ValueTask<typeparamref name="T"/> with a custom source and builder
+    /// </summary>
+    [AsyncMethodBuilder(typeof(MethodBuilders.PooledValueTaskMethodBuilder<>))]
+    public readonly struct PooledValueTask<T>
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is PooledValueTask<T> pvt && _source == pvt._source && _token == pvt._token;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => (_source == null ? 0 : _source.GetHashCode()) ^ _token;
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => nameof(PooledValueTask);
+
+        private readonly PooledState<T>? _source;
+        private readonly short _token;
+        private readonly T _result;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal PooledValueTask(PooledState<T> source, short token)
+        {
+            _source = source;
+            _token = token;
+            _result = default!;
+        }
+
+        /// <summary>
+        /// Creates a value-task with a fixed value
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public PooledValueTask(T result)
+        {
+            _source = default;
+            _token = default;
+            _result = result;
+        }
+
+        /// <summary>
+        /// Gets the instance as a value-task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ValueTask<T> AsValueTask() => _source == null ? new ValueTask<T>(_result) : new ValueTask<T>(_source, _token);
+
+        /// <summary>
+        /// Gets the instance as a value-task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static implicit operator ValueTask<T>(in PooledValueTask<T> task) => task.AsValueTask();
+
+        /// <summary>
+        /// Gets the awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+#pragma warning disable CA2012 // 正确使用 ValueTask
+        public ValueTaskAwaiter<T> GetAwaiter() => AsValueTask().GetAwaiter();
+#pragma warning restore CA2012 // 正确使用 ValueTask
+
+        /// <summary>
+        /// Gets the configured awaiter for the task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ConfiguredValueTaskAwaitable<T> ConfigureAwait(bool continueOnCapturedContext)
+            => AsValueTask().ConfigureAwait(continueOnCapturedContext);
+
+        /// <summary>
+        /// Rents a task-source that will be recycled when the task is awaited
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static PooledValueTaskSource<T> CreateSource() => PooledValueTaskSource<T>.Create();
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source == null;
+        }
+    }
+}

src/Admin/ThingsGateway.NewLife.X/PooledAwait/Properties/AssemblyInfo.cs

@@ -0,0 +1,5 @@
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo("Benchmark, PublicKey=0024000004800000940000000602000000240000525341310004000001000100d136a87a0c11ded39332f7ead1f2ce53256a42a350ee847df1dc520bc781210a5f1fe73b3f91a4001fdcfa35340a212e70443de46e6928510f57a55f4ab9b95257f5067d4de4be8cdad460781866b20a6ca20f66302df61b52e55e16c080cad95aae8b94ffdd54718b9963d0240b0d0d5afe655b05c91771f7dc8a314387d3c3")]
+
+[assembly: InternalsVisibleTo("PooledAwait.Test, PublicKey=0024000004800000940000000602000000240000525341310004000001000100d136a87a0c11ded39332f7ead1f2ce53256a42a350ee847df1dc520bc781210a5f1fe73b3f91a4001fdcfa35340a212e70443de46e6928510f57a55f4ab9b95257f5067d4de4be8cdad460781866b20a6ca20f66302df61b52e55e16c080cad95aae8b94ffdd54718b9963d0240b0d0d5afe655b05c91771f7dc8a314387d3c3")]

src/Admin/ThingsGateway.NewLife.X/PooledAwait/ValueTaskCompletionSourceT.cs

@@ -0,0 +1,218 @@
+using System.Runtime.CompilerServices;
+
+using PooledAwait.Internal;
+
+#if !NETSTANDARD1_3
+using System.Reflection;
+#endif
+
+namespace PooledAwait
+{
+    /// <summary>
+    /// Lightweight implementation of TaskCompletionSource<typeparamref name="T"/>
+    /// </summary>
+    /// <remarks>When possible, this will bypass TaskCompletionSource<typeparamref name="T"/> completely</remarks>
+    public readonly struct ValueTaskCompletionSource<T>
+    {
+        /// <summary><see cref="Object.Equals(Object)"/></summary>
+        public override bool Equals(object? obj) => obj is ValueTaskCompletionSource<T> other && _state == other._state;
+        /// <summary><see cref="Object.GetHashCode"/></summary>
+        public override int GetHashCode() => _state == null ? 0 : _state.GetHashCode();
+        /// <summary><see cref="Object.ToString"/></summary>
+        public override string ToString() => "ValueTaskCompletionSource";
+
+#if !NETSTANDARD1_3
+        private static readonly Func<Task<T>, Exception, bool>? s_TrySetException = TryCreate<Exception>(nameof(TrySetException));
+        private static readonly Func<Task<T>, T, bool>? s_TrySetResult = TryCreate<T>(nameof(TrySetResult));
+        private static readonly Func<Task<T>, CancellationToken, bool>? s_TrySetCanceled = TryCreate<CancellationToken>(nameof(TrySetCanceled));
+        private static readonly bool s_Optimized = ValidateOptimized();
+#endif
+        private readonly object _state;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private ValueTaskCompletionSource(object state) => _state = state;
+
+        /// <summary>
+        /// Gets the instance as a task
+        /// </summary>
+        public Task<T> Task
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _state as Task<T> ?? ((TaskCompletionSource<T>)_state).Task;
+        }
+
+        /// <summary>
+        /// Indicates whether this is an invalid default instance
+        /// </summary>
+        public bool IsNull
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _state == null;
+        }
+
+        internal bool IsOptimized => _state is Task<T>;
+
+        /// <summary>
+        /// Create an instance pointing to a new task
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static ValueTaskCompletionSource<T> Create() =>
+#if !NETSTANDARD1_3
+            s_Optimized ? CreateOptimized() :
+#endif
+            CreateFallback();
+
+#if !NETSTANDARD1_3
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static ValueTaskCompletionSource<T> CreateOptimized()
+        {
+            Counters.TaskAllocated.Increment();
+            return new ValueTaskCompletionSource<T>(new TaskCompletionSource<T>(TaskCreationOptions.RunContinuationsAsynchronously));
+        }
+#endif
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static ValueTaskCompletionSource<T> CreateFallback()
+        {
+            Counters.TaskAllocated.Increment();
+            return new ValueTaskCompletionSource<T>(new TaskCompletionSource<T>());
+        }
+
+        /// <summary>
+        /// Set the outcome of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetException(Exception exception)
+        {
+#if !NETSTANDARD1_3
+            if (_state is Task<T> task)
+            {
+                var result = s_TrySetException!(task, exception);
+                if (!result && !task.IsCompleted) SpinUntilCompleted(task);
+                return result;
+            }
+#endif
+            return _state != null && ((TaskCompletionSource<T>)_state).TrySetException(exception);
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetException(Exception exception)
+        {
+            if (!TrySetException(exception)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the outcome of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetCanceled(CancellationToken cancellationToken = default)
+        {
+#if !NETSTANDARD1_3
+            if (_state is Task<T> task)
+            {
+                var result = s_TrySetCanceled!(task, cancellationToken);
+                if (!result && !task.IsCompleted) SpinUntilCompleted(task);
+                return result;
+            }
+#endif
+            return _state != null && ((TaskCompletionSource<T>)_state).TrySetCanceled(
+#if !NET45
+                cancellationToken
+#endif
+                );
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetCanceled(CancellationToken cancellationToken = default)
+        {
+            if (!TrySetCanceled(cancellationToken)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+        /// <summary>
+        /// Set the outcome of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool TrySetResult(T value)
+        {
+#if !NETSTANDARD1_3
+            if (_state is Task<T> task)
+            {
+                var result = s_TrySetResult!(task, value);
+                if (!result && !task.IsCompleted) SpinUntilCompleted(task);
+                return result;
+            }
+#endif
+            return _state != null && ((TaskCompletionSource<T>)_state).TrySetResult(value);
+        }
+
+        /// <summary>
+        /// Set the result of the operation
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SetResult(T value)
+        {
+            if (!TrySetResult(value)) ThrowHelper.ThrowInvalidOperationException();
+        }
+
+#if !NETSTANDARD1_3
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        private static Func<Task<T>, TArg, bool>? TryCreate<TArg>(string methodName)
+        {
+            try
+            {
+                return (Func<Task<T>, TArg, bool>)Delegate.CreateDelegate(
+                typeof(Func<Task<T>, TArg, bool>),
+                typeof(Task<T>).GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance,
+                    null, new[] { typeof(TArg) }, null)!);
+            }
+            catch { return null; }
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        private static bool ValidateOptimized()
+        {
+            try
+            {
+                // perform feature tests of our voodoo
+                var source = CreateOptimized();
+                var task = source.Task;
+                if (task == null) return false;
+                if (task.IsCompleted) return false;
+
+                if (!source.TrySetResult(default!)) return false;
+                if (task.Status != TaskStatus.RanToCompletion) return false;
+
+                source = CreateOptimized();
+                task = source.Task;
+                if (!source.TrySetException(new InvalidOperationException())) return false;
+                if (!task.IsCompleted) return false;
+                if (!task.IsFaulted) return false;
+                try
+                {
+                    _ = task.Result;
+                    return false;
+                }
+                catch (AggregateException ex) when (ex.InnerException is InvalidOperationException) { }
+                if (!(task.Exception?.InnerException is InvalidOperationException)) return false;
+                return true;
+            }
+            catch { return false; }
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        private void SpinUntilCompleted(Task<T> task)
+        {
+            // Spin wait until the completion is finalized by another thread.
+            var sw = new SpinWait();
+            while (!task.IsCompleted)
+                sw.SpinOnce();
+        }
+#endif
+    }
+}

src/Admin/ThingsGateway.NewLife.X/Reflection/Reflect.cs

@@ -580,7 +580,19 @@ public static class Reflect
 
         return func;
     }
+    /// <summary>把一个方法转为泛型委托，便于快速反射调用</summary>
+    /// <typeparam name="TFunc"></typeparam>
+    /// <param name="method"></param>
+    /// <param name="target"></param>
+    /// <returns></returns>
+    public static void RemoveCache<TFunc>(this MethodInfo method, object? target = null) where TFunc : class
+    {
+        if (method == null) return;
 
+        var key = new DelegateCacheKey(method, typeof(TFunc), target);
+
+        DelegateCache<TFunc>.Cache.TryRemove(key);
+    }
     #endregion
 }
 public static class DelegateCache<TFunc>

src/Admin/ThingsGateway.NewLife.X/ThingsGateway.NewLife.X.csproj

@@ -24,7 +24,7 @@
 		<None Remove="..\..\..\README.zh-CN.md" Pack="false" PackagePath="\" />
 	</ItemGroup>
 
-	<PropertyGroup Condition="'$(TargetFramework)'=='net462' or '$(TargetFramework)'=='net5.0-windows' or '$(TargetFramework)'=='net6.0-windows' or '$(TargetFramework)'=='net7.0-windows' or '$(TargetFramework)'=='net8.0-windows'">
+	<PropertyGroup Condition="'$(TargetFramework)'=='net47' or '$(TargetFramework)'=='net5.0-windows' or '$(TargetFramework)'=='net6.0-windows' or '$(TargetFramework)'=='net7.0-windows' or '$(TargetFramework)'=='net8.0-windows'">
 		<DefineConstants>__WIN__</DefineConstants>
 	</PropertyGroup>
 
@@ -54,7 +54,26 @@
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
 	</ItemGroup>
 
+	<PropertyGroup Condition="$(TargetFramework)=='net6.0'">
+		<DefineConstants>$(DefineConstants);PLAT_THREADPOOLWORKITEM;PLAT_MRVTSC</DefineConstants>
+	</PropertyGroup>
+	<PropertyGroup Condition="$(TargetFramework)=='net8.0'">
+		<DefineConstants>$(DefineConstants);PLAT_THREADPOOLWORKITEM;PLAT_MRVTSC</DefineConstants>
+	</PropertyGroup>
 
+	<PropertyGroup Condition="$(TargetFramework)=='netstandard2.0'">
+		<DefineConstants>$(DefineConstants);PLAT_MRVTSC</DefineConstants>
+		<IncludeAsyncInterfaces>true</IncludeAsyncInterfaces>
+	</PropertyGroup>
+
+	<PropertyGroup Condition="$(TargetFramework)=='net47'">
+		<DefineConstants>$(DefineConstants);PLAT_MRVTSC</DefineConstants>
+		<IncludeAsyncInterfaces>true</IncludeAsyncInterfaces>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.10" Condition="$(IncludeAsyncInterfaces)=='true'" />
+	</ItemGroup>
 
 	<!--<ItemGroup Condition="'$(TargetFramework)'=='net6.0-windows' or '$(TargetFramework)'=='net6.0' ">
 		<PackageReference Include="Microsoft.AspNetCore.DataProtection" Version="6.0.36" />

src/Admin/ThingsGateway.NewLife.X/Threading/TimerScheduler.cs

@@ -1,4 +1,4 @@
-using System.Diagnostics;
+using PooledAwait;
 
 using ThingsGateway.NewLife.Collections;
 using ThingsGateway.NewLife.Log;
@@ -191,6 +191,13 @@ public class TimerScheduler : IDisposable, ILogFeature
                 Count--;
             }
         }
+
+        timer.Method.RemoveCache<TimerCallback>(timer.Target.Target);
+#if NET6_0_OR_GREATER
+        timer.Method.RemoveCache<Func<Object?, ValueTask>>(timer.Target.Target);
+#endif
+        timer.Method.RemoveCache<Func<Object?, Task>>(timer.Target.Target);
+
     }
 
     private AutoResetEvent? _waitForTimer;
@@ -244,7 +251,7 @@ public class TimerScheduler : IDisposable, ILogFeature
                         // 必须在主线程设置状态，否则可能异步线程还没来得及设置开始状态，主线程又开始了新的一轮调度
                         timer.Calling = true;
                         if (timer.IsAsyncTask)
-                            ExecuteAsync(timer);
+                            _ = ExecuteAsync(timer);
                         //Task.Factory.StartNew(ExecuteAsync, timer, CancellationToken.None, TaskCreationOptions.None, TaskScheduler.Default);
                         else if (!timer.Async)
                             Execute(timer);
@@ -318,9 +325,10 @@ public class TimerScheduler : IDisposable, ILogFeature
 
         timer.hasSetNext = false;
 
-        using var span = timer.Tracer?.NewSpan(timer.TracerName ?? $"timer:Execute", timer.Timers + "");
-        var sw = _stopwatchPool.Get();
-        sw.Restart();
+        string tracerName = timer.TracerName ?? "timer:ExecuteAsync";
+        string timerArg = timer.Timers.ToString();
+        using var span = timer.Tracer?.NewSpan(tracerName, timerArg);
+        var sw = ValueStopwatch.StartNew();
         try
         {
             // 弱引用判断
@@ -331,9 +339,12 @@ public class TimerScheduler : IDisposable, ILogFeature
                 timer.Dispose();
                 return;
             }
-
-            var func = timer.Method.As<TimerCallback>(target);
-            func!(timer.State);
+            if (timer.TimerCallbackCachedDelegate == null)
+            {
+                timer.TimerCallbackCachedDelegate = timer.Method.As<TimerCallback>(target);
+            }
+            //var func = timer.Method.As<TimerCallback>(target);
+            timer.TimerCallbackCachedDelegate!(timer.State);
         }
         catch (ThreadAbortException) { throw; }
         catch (ThreadInterruptedException) { throw; }
@@ -345,78 +356,89 @@ public class TimerScheduler : IDisposable, ILogFeature
         }
         finally
         {
-            sw.Stop();
-
-            OnExecuted(timer, (Int32)sw.ElapsedMilliseconds);
-
-            _stopwatchPool.Return(sw);
+            var ms = sw.GetElapsedTime().TotalMilliseconds;
+            OnExecuted(timer, (Int32)ms);
         }
     }
-    private static ObjectPool<Stopwatch> _stopwatchPool { get; } = new ObjectPool<Stopwatch>();
 
     /// <summary>处理每一个定时器</summary>
     /// <param name="state"></param>
-    private async void ExecuteAsync(Object? state)
+    private Task ExecuteAsync(Object? state)
     {
-        if (state is not TimerX timer) return;
-
-        //TimerX.Current = timer;
-
-        // 控制日志显示
-        //WriteLogEventArgs.CurrentThreadName = Name == "Default" ? "T" : Name;
-
-        timer.hasSetNext = false;
-
-        using var span = timer.Tracer?.NewSpan(timer.TracerName ?? $"timer:ExecuteAsync", timer.Timers + "");
-        var sw = _stopwatchPool.Get();
-        sw.Restart();
-        try
+        return ExecuteAsync(this, state);
+        static async PooledTask ExecuteAsync(TimerScheduler @this, Object? state)
         {
-            // 弱引用判断
-            var target = timer.Target.Target;
-            if (target == null && !timer.Method.IsStatic)
+            if (state is not TimerX timer) return;
+
+            //TimerX.Current = timer;
+
+            // 控制日志显示
+            //WriteLogEventArgs.CurrentThreadName = Name == "Default" ? "T" : Name;
+
+            timer.hasSetNext = false;
+
+            string tracerName = timer.TracerName ?? "timer:ExecuteAsync";
+            string timerArg = timer.Timers.ToString();
+            using var span = timer.Tracer?.NewSpan(tracerName, timerArg);
+            var sw = ValueStopwatch.StartNew();
+            try
             {
-                Remove(timer, "委托已不存在（GC回收委托所在对象）");
-                timer.Dispose();
-                return;
-            }
+                // 弱引用判断
+                var target = timer.Target.Target;
+                if (target == null && !timer.Method.IsStatic)
+                {
+                    @this.Remove(timer, "委托已不存在（GC回收委托所在对象）");
+                    timer.Dispose();
+                    return;
+                }
+
+
 
 #if NET6_0_OR_GREATER
-            if (timer.IsValueTask)
-            {
-                var func = timer.Method.As<Func<Object?, ValueTask>>(target);
-                var task = func!(timer.State);
-                if (!task.IsCompleted)
-                    await task.ConfigureAwait(false);
-            }
-            else
+                if (timer.IsValueTask)
+                {
+                    if (timer.ValueTaskCachedDelegate == null)
+                    {
+                        timer.ValueTaskCachedDelegate = timer.Method.As<Func<Object?, ValueTask>>(target);
+                    }
+
+                    //var func = timer.Method.As<Func<Object?, ValueTask>>(target);
+                    var task = timer.ValueTaskCachedDelegate!(timer.State);
+                    if (!task.IsCompleted)
+                        await task.ConfigureAwait(false);
+                }
+                else
 #endif
-            {
-                var func = timer.Method.As<Func<Object?, Task>>(target);
-                var task = func!(timer.State);
-                if (!task.IsCompleted)
-                    await task.ConfigureAwait(false);
+                {
+                    if (timer.TaskCachedDelegate == null)
+                    {
+                        timer.TaskCachedDelegate = timer.Method.As<Func<Object?, Task>>(target);
+                    }
+
+                    //var func = timer.Method.As<Func<Object?, Task>>(target);
+                    var task = timer.TaskCachedDelegate!(timer.State);
+                    if (!task.IsCompleted)
+                        await task.ConfigureAwait(false);
+                }
+
             }
+            catch (ThreadAbortException) { throw; }
+            catch (ThreadInterruptedException) { throw; }
+            // 如果用户代码没有拦截错误，则这里拦截，避免出错了都不知道怎么回事
+            catch (Exception ex)
+            {
+                span?.SetError(ex, null);
+                XTrace.WriteException(ex);
+            }
+            finally
+            {
+                var ms = sw.GetElapsedTime().TotalMilliseconds;
 
-        }
-        catch (ThreadAbortException) { throw; }
-        catch (ThreadInterruptedException) { throw; }
-        // 如果用户代码没有拦截错误，则这里拦截，避免出错了都不知道怎么回事
-        catch (Exception ex)
-        {
-            span?.SetError(ex, null);
-            XTrace.WriteException(ex);
-        }
-        finally
-        {
-            sw.Stop();
+                @this.OnExecuted(timer, (Int32)ms);
 
-            OnExecuted(timer, (Int32)sw.ElapsedMilliseconds);
-
-            _stopwatchPool.Return(sw);
+            }
         }
     }
-
     private void OnExecuted(TimerX timer, Int32 ms)
     {
         timer.Cost = timer.Cost == 0 ? ms : (timer.Cost + ms) / 2;

src/Admin/ThingsGateway.NewLife.X/Threading/TimerX.cs

@@ -542,6 +542,12 @@ public class TimerX : ITimer, ITimerx, IDisposable
         }
     }
 
+    public Func<object?, Task>? TaskCachedDelegate { get; internal set; }
+#if NET6_0_OR_GREATER
+    public Func<object?, ValueTask>? ValueTaskCachedDelegate { get; internal set; }
+#endif
+    public TimerCallback? TimerCallbackCachedDelegate { get; internal set; }
+
     private static void CopyNow(Object? state) => _Now = TimerScheduler.Default.GetNow();
     #endregion
 

src/Admin/ThingsGateway.SqlSugar/Sugar/ExpressionsToSql/Common/SugarParameter.cs

@@ -1,6 +1,5 @@
 using System.Data;
 using System.Data.Common;
-using System.Numerics;
 
 using ThingsGateway.NewLife.Reflection;
 namespace ThingsGateway.SqlSugar

src/Directory.Build.props

@@ -1,9 +1,9 @@
 <Project>
 
 	<PropertyGroup>
-		<PluginVersion>10.11.108</PluginVersion>
-		<ProPluginVersion>10.11.108</ProPluginVersion>
-		<DefaultVersion>10.11.108</DefaultVersion>
+		<PluginVersion>10.11.116</PluginVersion>
+		<ProPluginVersion>10.11.116</ProPluginVersion>
+		<DefaultVersion>10.11.116</DefaultVersion>
 		<AuthenticationVersion>10.11.6</AuthenticationVersion>
 		<SourceGeneratorVersion>10.11.6</SourceGeneratorVersion>
 		<NET8Version>8.0.21</NET8Version>
@@ -12,7 +12,7 @@
 		<IsTrimmable>false</IsTrimmable>
 		<ManagementProPluginVersion>10.11.87</ManagementProPluginVersion>
 		<ManagementPluginVersion>10.11.87</ManagementPluginVersion>
-		<TSVersion>4.0.0-beta.120</TSVersion>
+		<TSVersion>4.0.0-beta.140</TSVersion>
 		
 		
 	</PropertyGroup>

src/Foundation/ThingsGateway.Foundation.Variable/VariableObject.cs

@@ -11,6 +11,8 @@
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 
+using PooledAwait;
+
 using System.Linq.Expressions;
 
 using ThingsGateway.Gateway.Application.Extensions;
@@ -139,18 +141,27 @@ public abstract class VariableObject
     /// <summary>
     /// <see cref="VariableRuntimeAttribute"/>特性连读，反射赋值到继承类中的属性
     /// </summary>
-    public virtual async ValueTask<OperResult> MultiReadAsync(CancellationToken cancellationToken = default)
+    public virtual ValueTask<OperResult> MultiReadAsync(CancellationToken cancellationToken = default)
     {
         try
         {
             GetVariableSources();
             //连读
-            foreach (var item in DeviceVariableSourceReads)
+            return MultiReadAsync(this, cancellationToken);
+        }
+        catch (Exception ex)
+        {
+            return EasyValueTask.FromResult(new OperResult(ex));
+        }
+
+        static async PooledValueTask<OperResult> MultiReadAsync(VariableObject @this, CancellationToken cancellationToken)
+        {
+            foreach (var item in @this.DeviceVariableSourceReads)
             {
-                var result = await Device.ReadAsync(item.RegisterAddress, item.Length, cancellationToken).ConfigureAwait(false);
+                var result = await @this.Device.ReadAsync(item.RegisterAddress, item.Length, cancellationToken).ConfigureAwait(false);
                 if (result.IsSuccess)
                 {
-                    var result1 = item.VariableRuntimes.PraseStructContent(Device, result.Content.Span, exWhenAny: true);
+                    var result1 = item.VariableRuntimes.PraseStructContent(@this.Device, result.Content.Span, exWhenAny: true);
                     if (!result1.IsSuccess)
                     {
                         item.LastErrorMessage = result1.ErrorMessage;
@@ -168,13 +179,9 @@ public abstract class VariableObject
                 }
             }
 
-            SetValue();
+            @this.SetValue();
             return OperResult.Success;
         }
-        catch (Exception ex)
-        {
-            return new OperResult(ex);
-        }
     }
 
     /// <summary>
@@ -205,30 +212,31 @@ public abstract class VariableObject
     /// <param name="propertyName">属性名称，必须使用<see cref="VariableRuntimeAttribute"/>特性</param>
     /// <param name="value">写入值</param>
     /// <param name="cancellationToken">取消令箭</param>
-    public virtual async ValueTask<OperResult> WriteValueAsync(string propertyName, object value, CancellationToken cancellationToken = default)
+    public virtual ValueTask<OperResult> WriteValueAsync(string propertyName, object value, CancellationToken cancellationToken = default)
     {
         try
         {
             GetVariableSources();
             if (string.IsNullOrEmpty(propertyName))
             {
-                return new OperResult($"PropertyName cannot be null or empty.");
+                return EasyValueTask.FromResult(new OperResult($"PropertyName cannot be null or empty."));
             }
 
             if (!VariableRuntimePropertyDict.TryGetValue(propertyName, out var variableRuntimeProperty))
             {
-                return new OperResult($"This attribute is not recognized and may not have been identified using the {typeof(VariableRuntimeAttribute)} attribute");
+                return EasyValueTask.FromResult(new OperResult($"This attribute is not recognized and may not have been identified using the {typeof(VariableRuntimeAttribute)} attribute"));
             }
 
             JToken jToken = GetExpressionsValue(value, variableRuntimeProperty);
 
-            var result = await Device.WriteJTokenAsync(variableRuntimeProperty.VariableClass.RegisterAddress, jToken, variableRuntimeProperty.VariableClass.DataType, cancellationToken).ConfigureAwait(false);
-            return result;
+            return Device.WriteJTokenAsync(variableRuntimeProperty.VariableClass.RegisterAddress, jToken, variableRuntimeProperty.VariableClass.DataType, cancellationToken);
         }
         catch (Exception ex)
         {
-            return new OperResult(ex);
+            return EasyValueTask.FromResult(new OperResult(ex));
         }
+
+
     }
 
     /// <summary>

src/Foundation/ThingsGateway.Foundation/Channel/DDP/DDPTcpSessionClientChannel.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using PooledAwait;
+
 using System.Runtime.CompilerServices;
 
 using TouchSocket.Resources;
@@ -138,82 +140,86 @@ public class DDPTcpSessionClientChannel : TcpSessionClientChannel
 
     private DeviceSingleStreamDataHandleAdapter<DDPTcpMessage> DDPAdapter = new();
 
-    protected override async ValueTask<bool> OnTcpReceiving(IBytesReader byteBlock)
+    protected override ValueTask<bool> OnTcpReceiving(IBytesReader byteBlock)
     {
 
         if (DDPAdapter.TryParseRequest(ref byteBlock, out var message))
         {
-            return true;
+            return EasyValueTask.FromResult(true);
         }
+        return OnTcpReceiving(this, message);
 
-        if (message != null)
+        static async PooledValueTask<bool> OnTcpReceiving(DDPTcpSessionClientChannel @this, DDPTcpMessage message)
         {
-            if (message.IsSuccess)
+            if (message != null)
             {
-                var id = $"ID={message.Id}";
-                if (message.Type == 0x09)
+                if (message.IsSuccess)
                 {
-                    var reader = new ClassBytesReader(message.Content);
-
-                    if (this.DataHandlingAdapter == null)
+                    var id = $"ID={message.Id}";
+                    if (message.Type == 0x09)
                     {
-                        await this.OnTcpReceived(new ReceivedDataEventArgs(message.Content, default)).ConfigureAwait(false);
+                        var reader = new ClassBytesReader(message.Content);
+
+                        if (@this.DataHandlingAdapter == null)
+                        {
+                            await @this.OnTcpReceived(new ReceivedDataEventArgs(message.Content, default)).ConfigureAwait(false);
+                        }
+                        else
+                        {
+                            await @this.DataHandlingAdapter.ReceivedInputAsync(reader).ConfigureAwait(false);
+                        }
+
+                        return true;
                     }
                     else
                     {
-                        await this.DataHandlingAdapter.ReceivedInputAsync(reader).ConfigureAwait(false);
-                    }
-
-                    return true;
-                }
-                else
-                {
-                    if (message.Type == 0x01)
-                    {
-                        bool log = false;
-                        if (id != Id) log = true;
-
-                        //注册ID
-                        if (Service is ITcpServiceChannel tcpService && tcpService.TryGetClient(id, out var oldClient) && oldClient != this)
+                        if (message.Type == 0x01)
                         {
-                            Logger?.Debug($"Old socket connections with the same ID {id} will be closed");
-                            try
-                            {
-                                //await oldClient.ShutdownAsync(System.Net.Sockets.SocketShutdown.Both).ConfigureAwait(false);
-                                await oldClient.CloseAsync().ConfigureAwait(false);
-                            }
-                            catch
-                            {
-                            }
-                            try
-                            {
-                                oldClient.Dispose();
-                            }
-                            catch
+                            bool log = false;
+                            if (id != @this.Id) log = true;
+
+                            //注册ID
+                            if (@this.Service is ITcpServiceChannel tcpService && tcpService.TryGetClient(id, out var oldClient) && oldClient != @this)
                             {
+                                @this.Logger?.Debug($"Old socket connections with the same ID {id} will be closed");
+                                try
+                                {
+                                    //await oldClient.ShutdownAsync(System.Net.Sockets.SocketShutdown.Both).ConfigureAwait(false);
+                                    await oldClient.CloseAsync().ConfigureAwait(false);
+                                }
+                                catch
+                                {
+                                }
+                                try
+                                {
+                                    oldClient.Dispose();
+                                }
+                                catch
+                                {
+                                }
                             }
+
+                            await @this.ResetIdAsync(id, @this.ClosedToken).ConfigureAwait(false);
+
+                            //发送成功
+                            await @this.ProtectedSendAsync(new DDPSend(ReadOnlyMemory<byte>.Empty, id, true, 0x81), @this.ClosedToken).ConfigureAwait(false);
+                            if (log)
+                                @this.Logger?.Info(string.Format(AppResource.DtuConnected, @this.Id));
+                        }
+                        else if (message.Type == 0x02)
+                        {
+                            await @this.ProtectedSendAsync(new DDPSend(ReadOnlyMemory<byte>.Empty, @this.Id, true, 0x82), @this.ClosedToken).ConfigureAwait(false);
+                            @this.Logger?.Info(string.Format(AppResource.DtuDisconnecting, @this.Id));
+                            await Task.Delay(100).ConfigureAwait(false);
+                            await @this.CloseAsync().ConfigureAwait(false);
+                            @this.SafeDispose();
                         }
-
-                        await ResetIdAsync(id, ClosedToken).ConfigureAwait(false);
-
-                        //发送成功
-                        await base.ProtectedSendAsync(new DDPSend(ReadOnlyMemory<byte>.Empty, id, true, 0x81), ClosedToken).ConfigureAwait(false);
-                        if (log)
-                            Logger?.Info(string.Format(AppResource.DtuConnected, Id));
-                    }
-                    else if (message.Type == 0x02)
-                    {
-                        await base.ProtectedSendAsync(new DDPSend(ReadOnlyMemory<byte>.Empty, Id, true, 0x82), ClosedToken).ConfigureAwait(false);
-                        Logger?.Info(string.Format(AppResource.DtuDisconnecting, Id));
-                        await Task.Delay(100).ConfigureAwait(false);
-                        await this.CloseAsync().ConfigureAwait(false);
-                        this.SafeDispose();
                     }
                 }
             }
-        }
 
-        return true;
+            return true;
+        }
     }
 
     #region Throw

src/Foundation/ThingsGateway.Foundation/Channel/DDP/DDPUdpSessionChannel.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using PooledAwait;
+
 using System.Collections.Concurrent;
 using System.Net;
 using System.Runtime.CompilerServices;
@@ -80,73 +82,78 @@ public class DDPUdpSessionChannel : UdpSessionChannel, IClientChannel, IDtuUdpSe
     }
 
 
-    protected override async ValueTask<bool> OnUdpReceiving(UdpReceiveingEventArgs e)
+    protected override ValueTask<bool> OnUdpReceiving(UdpReceiveingEventArgs e)
     {
         var byteBlock = e.Memory;
         var endPoint = e.EndPoint;
 
         if (!DDPAdapter.TryParseRequest(endPoint, byteBlock, out var message))
-            return true;
+            return EasyValueTask.FromResult(true);
 
-        if (message != null)
+        return OnUdpReceiving(this, endPoint, message);
+
+        static async PooledValueTask<bool> OnUdpReceiving(DDPUdpSessionChannel @this, EndPoint endPoint, DDPUdpMessage message)
         {
-            if (message.IsSuccess)
+            if (message != null)
             {
-                var id = $"ID={message.Id}";
-                if (message.Type == 0x09)
+                if (message.IsSuccess)
                 {
-                    if (this.DataHandlingAdapter == null)
+                    var id = $"ID={message.Id}";
+                    if (message.Type == 0x09)
                     {
-                        await this.OnUdpReceived(new UdpReceivedDataEventArgs(endPoint, message.Content, default)).ConfigureAwait(false);
+                        if (@this.DataHandlingAdapter == null)
+                        {
+                            await @this.OnUdpReceived(new UdpReceivedDataEventArgs(endPoint, message.Content, default)).ConfigureAwait(false);
+                        }
+                        else
+                        {
+                            await @this.DataHandlingAdapter.ReceivedInputAsync(endPoint, message.Content).ConfigureAwait(false);
+                        }
+
+                        return true;
                     }
                     else
                     {
-                        await this.DataHandlingAdapter.ReceivedInputAsync(endPoint, message.Content).ConfigureAwait(false);
-                    }
+                        if (message.Type == 0x01)
+                        {
+                            bool log = false;
 
-                    return true;
-                }
-                else
-                {
-                    if (message.Type == 0x01)
-                    {
-                        bool log = false;
+                            //注册ID
+                            if (!@this.IdDict.TryAdd(endPoint, id))
+                            {
+                                @this.IdDict[endPoint] = id;
+                            }
+                            else
+                            {
+                                log = true;
+                            }
+                            if (!@this.EndPointDcit.TryAdd(id, endPoint))
+                            {
+                                @this.EndPointDcit[id] = endPoint;
+                            }
+                            else
+                            {
+                                log = true;
+                            }
 
-                        //注册ID
-                        if (!IdDict.TryAdd(endPoint, id))
-                        {
-                            IdDict[endPoint] = id;
+                            //发送成功
+                            await @this.DDPAdapter.SendInputAsync(endPoint, new DDPSend(ReadOnlyMemory<byte>.Empty, id, false, 0x81), @this.ClosedToken).ConfigureAwait(false);
+                            if (log)
+                                @this.Logger?.Info(string.Format(AppResource.DtuConnected, id));
                         }
-                        else
+                        else if (message.Type == 0x02)
                         {
-                            log = true;
+                            await @this.DDPAdapter.SendInputAsync(endPoint, new DDPSend(ReadOnlyMemory<byte>.Empty, id, false, 0x82), @this.ClosedToken).ConfigureAwait(false);
+                            @this.Logger?.Info(string.Format(AppResource.DtuDisconnecting, id));
+                            await Task.Delay(100).ConfigureAwait(false);
+                            @this.IdDict.TryRemove(endPoint, out _);
+                            @this.EndPointDcit.TryRemove(id, out _);
                         }
-                        if (!EndPointDcit.TryAdd(id, endPoint))
-                        {
-                            EndPointDcit[id] = endPoint;
-                        }
-                        else
-                        {
-                            log = true;
-                        }
-
-                        //发送成功
-                        await DDPAdapter.SendInputAsync(endPoint, new DDPSend(ReadOnlyMemory<byte>.Empty, id, false, 0x81), ClosedToken).ConfigureAwait(false);
-                        if (log)
-                            Logger?.Info(string.Format(AppResource.DtuConnected, id));
-                    }
-                    else if (message.Type == 0x02)
-                    {
-                        await DDPAdapter.SendInputAsync(endPoint, new DDPSend(ReadOnlyMemory<byte>.Empty, id, false, 0x82), ClosedToken).ConfigureAwait(false);
-                        Logger?.Info(string.Format(AppResource.DtuDisconnecting, id));
-                        await Task.Delay(100).ConfigureAwait(false);
-                        IdDict.TryRemove(endPoint, out _);
-                        EndPointDcit.TryRemove(id, out _);
                     }
                 }
             }
+            return true;
         }
-        return true;
     }
 
     #region Throw

src/Foundation/ThingsGateway.Foundation/Channel/Extension/ChannelOptionsExtensions.cs

@@ -26,24 +26,65 @@ public static class ChannelOptionsExtensions
     /// <param name="e">接收数据</param>
     /// <param name="funcs">事件</param>
     /// <returns></returns>
-    internal static async Task OnChannelReceivedEvent(this IClientChannel clientChannel, ReceivedDataEventArgs e, ChannelReceivedEventHandler funcs)
+    internal static ValueTask OnChannelReceivedEvent(
+    this IClientChannel clientChannel,
+    ReceivedDataEventArgs e,
+    ChannelReceivedEventHandler funcs)
     {
         clientChannel.ThrowIfNull(nameof(IClientChannel));
         e.ThrowIfNull(nameof(ReceivedDataEventArgs));
         funcs.ThrowIfNull(nameof(ChannelReceivedEventHandler));
 
-        if (funcs.Count > 0)
+        if (funcs.Count == 0) return EasyValueTask.CompletedTask;
+
+        return InvokeHandlersSequentially(clientChannel, e, funcs);
+    }
+
+    private static ValueTask InvokeHandlersSequentially(
+        IClientChannel clientChannel, ReceivedDataEventArgs e, ChannelReceivedEventHandler funcs)
+    {
+        var enumerator = new HandlerEnumerator(clientChannel, e, funcs);
+        return enumerator.MoveNextAsync();
+    }
+
+    private struct HandlerEnumerator
+    {
+        private readonly IClientChannel _channel;
+        private readonly ReceivedDataEventArgs _e;
+        private readonly ChannelReceivedEventHandler _funcs;
+        private int _index;
+
+        public HandlerEnumerator(IClientChannel channel, ReceivedDataEventArgs e, ChannelReceivedEventHandler funcs)
         {
-            for (int i = 0; i < funcs.Count; i++)
+            _channel = channel;
+            _e = e;
+            _funcs = funcs;
+            _index = -1;
+        }
+
+        public ValueTask MoveNextAsync()
+        {
+            _index++;
+            if (_index >= _funcs.Count) return default;
+
+            var func = _funcs[_index];
+            if (func == null) return MoveNextAsync();
+
+            bool isLast = _index == _funcs.Count - 1;
+            var vt = func.Invoke(_channel, _e, isLast);
+            if (vt.IsCompletedSuccessfully)
             {
-                var func = funcs[i];
-                if (func == null) continue;
-                await func.Invoke(clientChannel, e, i == funcs.Count - 1).ConfigureAwait(false);
-                if (e.Handled)
-                {
-                    break;
-                }
+                if (_e.Handled) return default;
+                return MoveNextAsync();
             }
+            return Awaited(vt);
+        }
+
+        private async ValueTask Awaited(ValueTask vt)
+        {
+            await vt.ConfigureAwait(false);
+            if (!_e.Handled)
+                await MoveNextAsync().ConfigureAwait(false);
         }
     }
 
@@ -53,7 +94,7 @@ public static class ChannelOptionsExtensions
     /// <param name="clientChannel">通道</param>
     /// <param name="funcs">事件</param>
     /// <returns></returns>
-    internal static async Task OnChannelEvent(this IClientChannel clientChannel, ChannelEventHandler funcs)
+    internal static async ValueTask OnChannelEvent(this IClientChannel clientChannel, ChannelEventHandler funcs)
     {
         try
         {

src/Foundation/ThingsGateway.Foundation/Channel/IChannel.cs

@@ -65,7 +65,7 @@ public interface IChannel : ISetupConfigObject, IDisposable, IClosableClient, IC
 /// <summary>
 /// 接收事件回调类
 /// </summary>
-public class ChannelReceivedEventHandler : List<Func<IClientChannel, ReceivedDataEventArgs, bool, Task>>
+public class ChannelReceivedEventHandler : List<Func<IClientChannel, ReceivedDataEventArgs, bool, ValueTask>>
 {
 }
 

src/Foundation/ThingsGateway.Foundation/Channel/OtherChannel.cs

@@ -131,10 +131,10 @@ public class OtherChannel : SetupConfigObject, IClientChannel
         m_dataHandlingAdapter = adapter;
     }
 
-    private Task PrivateHandleReceivedData(ReadOnlyMemory<byte> byteBlock, IRequestInfo requestInfo)
+    private async Task PrivateHandleReceivedData(ReadOnlyMemory<byte> byteBlock, IRequestInfo requestInfo)
     {
         LastReceivedTime = DateTime.Now;
-        return this.OnChannelReceivedEvent(new ReceivedDataEventArgs(byteBlock, requestInfo), ChannelReceived);
+        await this.OnChannelReceivedEvent(new ReceivedDataEventArgs(byteBlock, requestInfo), ChannelReceived).ConfigureAwait(false);
     }
 
     /// <summary>

src/Foundation/ThingsGateway.Foundation/Channel/Plugin/DtuPlugin.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using PooledAwait;
+
 using System.Text;
 
 using ThingsGateway.Foundation.Extension.String;
@@ -59,64 +61,71 @@ public class DtuPlugin : PluginBase, ITcpReceivingPlugin
     public bool DtuIdHex { get; set; }
 
     /// <inheritdoc/>
-    public async Task OnTcpReceiving(ITcpSession client, BytesReaderEventArgs e)
+    public Task OnTcpReceiving(ITcpSession client, BytesReaderEventArgs e)
     {
-        var len = HeartbeatByte.Length;
-        if (client is TcpSessionClientChannel socket && socket.Service is ITcpServiceChannel tcpServiceChannel)
+        return OnTcpReceiving(this, client, e);
+
+
+        static async PooledTask OnTcpReceiving(DtuPlugin @this, ITcpSession client, BytesReaderEventArgs e)
         {
-            if (!socket.Id.StartsWith("ID="))
+            var len = @this.HeartbeatByte.Length;
+            if (client is TcpSessionClientChannel socket && socket.Service is ITcpServiceChannel tcpServiceChannel)
             {
-                var id = DtuIdHex ? $"ID={e.Reader.ToHexString()}" : $"ID={e.Reader.TotalSequence.ToString(Encoding.UTF8)}";
-                if (tcpServiceChannel.TryGetClient(id, out var oldClient))
+                if (!socket.Id.StartsWith("ID="))
+                {
+                    var id = @this.DtuIdHex ? $"ID={e.Reader.ToHexString()}" : $"ID={e.Reader.TotalSequence.ToString(Encoding.UTF8)}";
+                    if (tcpServiceChannel.TryGetClient(id, out var oldClient))
+                    {
+                        try
+                        {
+                            await oldClient.CloseAsync().ConfigureAwait(false);
+                            oldClient.Dispose();
+                        }
+                        catch
+                        {
+                        }
+                    }
+                    await socket.ResetIdAsync(id, client.ClosedToken).ConfigureAwait(false);
+                    client.Logger?.Info(string.Format(AppResource.DtuConnected, id));
+                    e.Reader.Advance((int)e.Reader.BytesRemaining);
+                    e.Handled = true;
+                }
+
+                if (!socket.Service.ClientExists(socket.Id))
                 {
                     try
                     {
-                        await oldClient.CloseAsync().ConfigureAwait(false);
-                        oldClient.Dispose();
+                        await socket.CloseAsync().ConfigureAwait(false);
+                        socket.Dispose();
                     }
                     catch
                     {
                     }
-                }
-                await socket.ResetIdAsync(id, client.ClosedToken).ConfigureAwait(false);
-                client.Logger?.Info(string.Format(AppResource.DtuConnected, id));
-                e.Reader.Advance((int)e.Reader.BytesRemaining);
-                e.Handled = true;
-            }
 
-            if (!socket.Service.ClientExists(socket.Id))
-            {
-                try
-                {
-                    await socket.CloseAsync().ConfigureAwait(false);
-                    socket.Dispose();
-                }
-                catch
-                {
+                    await e.InvokeNext().ConfigureAwait(false);//如果本插件无法处理当前数据，请将数据转至下一个插件。
+                    return;
                 }
 
-                await e.InvokeNext().ConfigureAwait(false);//如果本插件无法处理当前数据，请将数据转至下一个插件。
-                return;
-            }
-
-            if (len > 0)
-            {
-                if (HeartbeatByte.Span.SequenceEqual(e.Reader.TotalSequence.Slice(0, (int)Math.Min(len, e.Reader.BytesRemaining + e.Reader.BytesRead)).First.Span))
+                if (len > 0)
                 {
-                    if (DateTimeOffset.Now - socket.LastSentTime < TimeSpan.FromMilliseconds(200))
+                    if (@this.HeartbeatByte.Span.SequenceEqual(e.Reader.TotalSequence.Slice(0, (int)Math.Min(len, e.Reader.BytesRemaining + e.Reader.BytesRead)).First.Span))
                     {
-                        await Task.Delay(200, client.ClosedToken).ConfigureAwait(false);
+                        if (DateTimeOffset.Now - socket.LastSentTime < TimeSpan.FromMilliseconds(200))
+                        {
+                            await Task.Delay(200, client.ClosedToken).ConfigureAwait(false);
+                        }
+                        //回应心跳包
+                        await socket.SendAsync(@this.HeartbeatByte, socket.ClosedToken).ConfigureAwait(false);
+                        e.Reader.Advance((int)Math.Min(len, e.Reader.BytesRemaining));
+                        e.Handled = true;
+                        if (socket.Logger?.LogLevel <= LogLevel.Trace)
+                            socket.Logger?.Trace($"{socket}- Heartbeat");
                     }
-                    //回应心跳包
-                    await socket.SendAsync(HeartbeatByte, socket.ClosedToken).ConfigureAwait(false);
-                    e.Reader.Advance((int)Math.Min(len, e.Reader.BytesRemaining));
-                    e.Handled = true;
-                    if (socket.Logger?.LogLevel <= LogLevel.Trace)
-                        socket.Logger?.Trace($"{socket}- Heartbeat");
                 }
             }
+            await e.InvokeNext().ConfigureAwait(false);//如果本插件无法处理当前数据，请将数据转至下一个插件。
+            return;
         }
-        await e.InvokeNext().ConfigureAwait(false);//如果本插件无法处理当前数据，请将数据转至下一个插件。
     }
 
 

src/Foundation/ThingsGateway.Foundation/Channel/Plugin/HeartbeatAndReceivePlugin.cs

@@ -167,14 +167,14 @@ internal sealed class HeartbeatAndReceivePlugin : PluginBase, ITcpConnectedPlugi
         await e.InvokeNext().ConfigureAwait(false);
     }
 
-    public async Task OnTcpReceiving(ITcpSession client, BytesReaderEventArgs e)
+    public Task OnTcpReceiving(ITcpSession client, BytesReaderEventArgs e)
     {
         if (client is ITcpSessionClient)
         {
-            return;//此处可判断，如果为服务器，则不用使用心跳。
+            return Task.CompletedTask;//此处可判断，如果为服务器，则不用使用心跳。
         }
 
-        if (DtuId.IsNullOrWhiteSpace()) return;
+        if (DtuId.IsNullOrWhiteSpace()) return Task.CompletedTask;
 
         if (client is ITcpClient tcpClient)
         {
@@ -187,8 +187,9 @@ internal sealed class HeartbeatAndReceivePlugin : PluginBase, ITcpConnectedPlugi
                     e.Handled = true;
                 }
             }
-            await e.InvokeNext().ConfigureAwait(false);//如果本插件无法处理当前数据，请将数据转至下一个插件。
+            return e.InvokeNext();//如果本插件无法处理当前数据，请将数据转至下一个插件。
         }
+        return Task.CompletedTask;
     }
 
 

src/Foundation/ThingsGateway.Foundation/Channel/Plugin/PluginUtil.cs

@@ -34,25 +34,29 @@ public static class PluginUtil
 
             if (channelOptions.ChannelType == ChannelTypeEnum.TcpClient)
             {
-                action += a => a.UseReconnection<IClientChannel>().SetActionForCheck((channel, failCount) =>
+                action += a => a.UseReconnection<IClientChannel>(a =>
                 {
-                    if (channel.Online)
+                    a.CheckAction = (channel, failCount) =>
                     {
-                        return Task.FromResult(ConnectionCheckResult.Alive);
-                    }
-                    else
-                    {
-                        if (failCount > 1)
+                        if (channel.Online)
                         {
-                            return Task.FromResult(ConnectionCheckResult.Dead);
+                            return Task.FromResult(ConnectionCheckResult.Alive);
+                        }
+                        else
+                        {
+                            if (failCount > 1)
+                            {
+                                return Task.FromResult(ConnectionCheckResult.Dead);
+                            }
+                            return Task.FromResult(ConnectionCheckResult.Skip);
                         }
-                        return Task.FromResult(ConnectionCheckResult.Skip);
-                    }
 
 
-                })
-                .SetPollingTick(TimeSpan.FromSeconds(5)
+                    };
+                    a.PollingInterval = TimeSpan.FromSeconds(5);
 
+
+                }
                 );
             }
             return action;

src/Foundation/ThingsGateway.Foundation/Device/DeviceBase.cs

@@ -10,6 +10,8 @@
 
 using Newtonsoft.Json.Linq;
 
+using PooledAwait;
+
 using System.Net;
 
 using ThingsGateway.Foundation.Extension.Generic;
@@ -308,7 +310,7 @@ public abstract class DeviceBase : AsyncAndSyncDisposableObject, IDevice
     /// <summary>
     /// 接收,非主动发送的情况，重写实现非主从并发通讯协议，如果通道存在其他设备并且不希望其他设备处理时，设置<see cref="TouchSocketEventArgs.Handled"/> 为true
     /// </summary>
-    protected virtual Task ChannelReceived(IClientChannel client, ReceivedDataEventArgs e, bool last)
+    protected virtual ValueTask ChannelReceived(IClientChannel client, ReceivedDataEventArgs e, bool last)
     {
         if (e.RequestInfo is MessageBase response)
         {
@@ -325,25 +327,29 @@ public abstract class DeviceBase : AsyncAndSyncDisposableObject, IDevice
             }
         }
 
-        return EasyTask.CompletedTask;
+        return EasyValueTask.CompletedTask;
     }
     public bool AutoConnect { get; protected set; } = true;
     /// <inheritdoc/>
-    private async Task SendAsync(ISendMessage sendMessage, IClientChannel channel, CancellationToken token = default)
+    private Task SendAsync(ISendMessage sendMessage, IClientChannel channel, CancellationToken token = default)
     {
+        return SendAsync(this, sendMessage, channel, token);
 
-        if (SendDelayTime != 0)
-            await Task.Delay(SendDelayTime, token).ConfigureAwait(false);
-
-        if (channel is IDtuUdpSessionChannel udpSession)
+        static async PooledTask SendAsync(DeviceBase @this, ISendMessage sendMessage, IClientChannel channel, CancellationToken token)
         {
-            EndPoint? endPoint = GetUdpEndpoint();
-            await udpSession.SendAsync(endPoint, sendMessage, token).ConfigureAwait(false);
+            if (@this.SendDelayTime != 0)
+                await Task.Delay(@this.SendDelayTime, token).ConfigureAwait(false);
 
-        }
-        else
-        {
-            await channel.SendAsync(sendMessage, token).ConfigureAwait(false);
+            if (channel is IDtuUdpSessionChannel udpSession)
+            {
+                EndPoint? endPoint = @this.GetUdpEndpoint();
+                await udpSession.SendAsync(endPoint, sendMessage, token).ConfigureAwait(false);
+
+            }
+            else
+            {
+                await channel.SendAsync(sendMessage, token).ConfigureAwait(false);
+            }
         }
 
     }
@@ -363,59 +369,69 @@ public abstract class DeviceBase : AsyncAndSyncDisposableObject, IDevice
 
     private WaitLock connectWaitLock = new(nameof(DeviceBase));
 
-    public async ValueTask ConnectAsync(CancellationToken token)
+    public ValueTask ConnectAsync(CancellationToken token)
     {
-        if (AutoConnect && Channel != null && Channel?.Online != true)
+        return ConnectAsync(this, token);
+
+        static async PooledValueTask ConnectAsync(DeviceBase @this, CancellationToken token)
         {
-            try
+            if (@this.AutoConnect && @this.Channel != null && @this.Channel?.Online != true)
             {
-                await connectWaitLock.WaitAsync(token).ConfigureAwait(false);
-                if (AutoConnect && Channel != null && Channel?.Online != true)
+                try
                 {
-                    if (Channel.PluginManager == null)
-                        await Channel.SetupAsync(Channel.Config.Clone()).ConfigureAwait(false);
-                    await Channel.CloseAsync().ConfigureAwait(false);
-                    using var ctsTime = new CancellationTokenSource(Channel.ChannelOptions.ConnectTimeout);
-                    using var cts = CancellationTokenSource.CreateLinkedTokenSource(ctsTime.Token, token);
-                    await Channel.ConnectAsync(cts.Token).ConfigureAwait(false);
+                    await @this.connectWaitLock.WaitAsync(token).ConfigureAwait(false);
+                    if (@this.AutoConnect && @this.Channel != null && @this.Channel?.Online != true)
+                    {
+                        if (@this.Channel.PluginManager == null)
+                            await @this.Channel.SetupAsync(@this.Channel.Config.Clone()).ConfigureAwait(false);
+                        await @this.Channel.CloseAsync().ConfigureAwait(false);
+                        using var ctsTime = new CancellationTokenSource(@this.Channel.ChannelOptions.ConnectTimeout);
+                        using var cts = CancellationTokenSource.CreateLinkedTokenSource(ctsTime.Token, token);
+                        await @this.Channel.ConnectAsync(cts.Token).ConfigureAwait(false);
+                    }
+                }
+                finally
+                {
+                    @this.connectWaitLock.Release();
                 }
-            }
-            finally
-            {
-                connectWaitLock.Release();
             }
         }
     }
 
     /// <inheritdoc/>
-    public virtual async ValueTask<OperResult> SendAsync(ISendMessage sendMessage, CancellationToken cancellationToken)
+    public virtual ValueTask<OperResult> SendAsync(ISendMessage sendMessage, CancellationToken cancellationToken)
     {
-        try
-        {
-            var channelResult = GetChannel();
-            if (!channelResult.IsSuccess) return new OperResult<byte[]>(channelResult);
-            WaitLock? waitLock = GetWaitLock(channelResult.Content);
+        return SendAsync(this, sendMessage, cancellationToken);
 
+        static async PooledValueTask<OperResult> SendAsync(DeviceBase @this, ISendMessage sendMessage, CancellationToken cancellationToken)
+        {
             try
             {
-                await BeforeSendAsync(channelResult.Content, cancellationToken).ConfigureAwait(false);
+                var channelResult = @this.GetChannel();
+                if (!channelResult.IsSuccess) return new OperResult<byte[]>(channelResult);
+                WaitLock? waitLock = @this.GetWaitLock(channelResult.Content);
 
-                await waitLock.WaitAsync(cancellationToken).ConfigureAwait(false);
-                channelResult.Content.SetDataHandlingAdapterLogger(Logger);
+                try
+                {
+                    await @this.BeforeSendAsync(channelResult.Content, cancellationToken).ConfigureAwait(false);
+
+                    await waitLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+                    channelResult.Content.SetDataHandlingAdapterLogger(@this.Logger);
 
 
-                await SendAsync(sendMessage, channelResult.Content, cancellationToken).ConfigureAwait(false);
-                return OperResult.Success;
+                    await @this.SendAsync(sendMessage, channelResult.Content, cancellationToken).ConfigureAwait(false);
+                    return OperResult.Success;
+                }
+                finally
+                {
+                    waitLock.Release();
+                }
             }
-            finally
+            catch (Exception ex)
             {
-                waitLock.Release();
+                return new(ex);
             }
         }
-        catch (Exception ex)
-        {
-            return new(ex);
-        }
     }
 
     /// <inheritdoc/>
@@ -496,16 +512,21 @@ public abstract class DeviceBase : AsyncAndSyncDisposableObject, IDevice
     }
 
     /// <inheritdoc/>
-    public virtual async ValueTask<OperResult<ReadOnlyMemory<byte>>> SendThenReturnAsync(ISendMessage sendMessage, IClientChannel channel, CancellationToken cancellationToken = default)
+    public virtual ValueTask<OperResult<ReadOnlyMemory<byte>>> SendThenReturnAsync(ISendMessage sendMessage, IClientChannel channel, CancellationToken cancellationToken = default)
     {
-        try
+        return SendThenReturn(this, sendMessage, channel, cancellationToken);
+
+        static async PooledValueTask<OperResult<ReadOnlyMemory<byte>>> SendThenReturn(DeviceBase @this, ISendMessage sendMessage, IClientChannel channel, CancellationToken cancellationToken)
         {
-            var result = await SendThenReturnMessageAsync(sendMessage, channel, cancellationToken).ConfigureAwait(false);
-            return new OperResult<ReadOnlyMemory<byte>>(result) { Content = result.Content };
-        }
-        catch (Exception ex)
-        {
-            return new(ex);
+            try
+            {
+                var result = await @this.SendThenReturnMessageAsync(sendMessage, channel, cancellationToken).ConfigureAwait(false);
+                return new OperResult<ReadOnlyMemory<byte>>(result) { Content = result.Content };
+            }
+            catch (Exception ex)
+            {
+                return new(ex);
+            }
         }
     }
 
@@ -523,48 +544,83 @@ public abstract class DeviceBase : AsyncAndSyncDisposableObject, IDevice
         return GetResponsedDataAsync(command, clientChannel, Timeout, cancellationToken);
     }
 
-    private ObjectPool<ReusableCancellationTokenSource> _reusableTimeouts = new();
+    private ObjectPoolLock<ReusableCancellationTokenSource> _reusableTimeouts = new();
+
     /// <summary>
     /// 发送并等待数据
     /// </summary>
-    protected async ValueTask<MessageBase> GetResponsedDataAsync(
+    protected ValueTask<MessageBase> GetResponsedDataAsync(
         ISendMessage command,
         IClientChannel clientChannel,
         int timeout = 3000,
         CancellationToken cancellationToken = default)
     {
-        var waitData = clientChannel.WaitHandlePool.GetWaitDataAsync(out var sign);
-        command.Sign = sign;
-        WaitLock? waitLock = null;
+        return GetResponsedDataAsync(this, command, clientChannel, timeout, cancellationToken);
 
-        try
+        static async PooledValueTask<MessageBase> GetResponsedDataAsync(DeviceBase @this, ISendMessage command, IClientChannel clientChannel, int timeout, CancellationToken cancellationToken)
         {
-            await BeforeSendAsync(clientChannel, cancellationToken).ConfigureAwait(false);
+            var waitData = clientChannel.WaitHandlePool.GetWaitDataAsync(out var sign);
+            command.Sign = sign;
+            WaitLock? waitLock = null;
 
-            waitLock = GetWaitLock(clientChannel);
-
-            await waitLock.WaitAsync(cancellationToken).ConfigureAwait(false);
-
-            clientChannel.SetDataHandlingAdapterLogger(Logger);
-
-            await SendAsync(command, clientChannel, cancellationToken).ConfigureAwait(false);
-
-            if (waitData.Status == WaitDataStatus.Success)
-                return waitData.CompletedData;
-
-            var reusableTimeout = _reusableTimeouts.Get();
-            var cts = reusableTimeout.GetTokenSource(timeout, cancellationToken, Channel.ClosedToken);
             try
             {
+                await @this.BeforeSendAsync(clientChannel, cancellationToken).ConfigureAwait(false);
 
-                await waitData.WaitAsync(cts.Token).ConfigureAwait(false);
+                waitLock = @this.GetWaitLock(clientChannel);
 
-            }
-            catch (OperationCanceledException)
-            {
-                return reusableTimeout.TimeoutStatus
-                    ? new MessageBase(new TimeoutException()) { ErrorMessage = $"Timeout, sign: {sign}" }
-                    : new MessageBase(new OperationCanceledException());
+                await waitLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+
+                clientChannel.SetDataHandlingAdapterLogger(@this.Logger);
+
+                await @this.SendAsync(command, clientChannel, cancellationToken).ConfigureAwait(false);
+
+                if (waitData.Status == WaitDataStatus.Success)
+                    return waitData.CompletedData;
+
+                var reusableTimeout = @this._reusableTimeouts.Get();
+                try
+                {
+
+                    var ctsToken = reusableTimeout.GetTokenSource(timeout, cancellationToken, @this.Channel.ClosedToken);
+                    await waitData.WaitAsync(ctsToken).ConfigureAwait(false);
+
+                }
+                catch (OperationCanceledException)
+                {
+                    return reusableTimeout.TimeoutStatus
+                        ? new MessageBase(new TimeoutException()) { ErrorMessage = $"Timeout, sign: {sign}" }
+                        : new MessageBase(new OperationCanceledException());
+                }
+                catch (Exception ex)
+                {
+                    return new MessageBase(ex);
+                }
+                finally
+                {
+                    reusableTimeout.Set();
+                    @this._reusableTimeouts.Return(reusableTimeout);
+                }
+
+                if (waitData.Status == WaitDataStatus.Success)
+                {
+                    return waitData.CompletedData;
+                }
+                else
+                {
+                    var operResult = waitData.Check(reusableTimeout.TimeoutStatus);
+                    if (waitData.CompletedData != null)
+                    {
+                        waitData.CompletedData.ErrorMessage = $"{operResult.ErrorMessage}, sign: {sign}";
+                        return waitData.CompletedData;
+                    }
+                    else
+                    {
+                        return new MessageBase(new OperationCanceledException());
+                    }
+
+                    //return new MessageBase(operResult) { ErrorMessage = $"{operResult.ErrorMessage}, sign: {sign}" };
+                }
             }
             catch (Exception ex)
             {
@@ -572,39 +628,10 @@ public abstract class DeviceBase : AsyncAndSyncDisposableObject, IDevice
             }
             finally
             {
-                reusableTimeout.Set();
-                _reusableTimeouts.Return(reusableTimeout);
-            }
+                waitLock?.Release();
+                waitData?.SafeDispose();
 
-            if (waitData.Status == WaitDataStatus.Success)
-            {
-                return waitData.CompletedData;
             }
-            else
-            {
-                var operResult = waitData.Check(reusableTimeout.TimeoutStatus);
-                if(waitData.CompletedData!=null)
-                {
-                    waitData.CompletedData.ErrorMessage = $"{operResult.ErrorMessage}, sign: {sign}";
-                    return waitData.CompletedData;
-                }
-                else
-                {
-                    return new MessageBase(new OperationCanceledException());
-                }
-
-                //return new MessageBase(operResult) { ErrorMessage = $"{operResult.ErrorMessage}, sign: {sign}" };
-            }
-        }
-        catch (Exception ex)
-        {
-            return new MessageBase(ex);
-        }
-        finally
-        {
-            waitLock?.Release();
-            waitData?.SafeDispose();
-
         }
     }
 
@@ -646,54 +673,59 @@ public abstract class DeviceBase : AsyncAndSyncDisposableObject, IDevice
     }
 
     /// <inheritdoc/>
-    public virtual async ValueTask<OperResult> WriteJTokenAsync(string address, JToken value, DataTypeEnum dataType, CancellationToken cancellationToken = default)
+    public virtual ValueTask<OperResult> WriteJTokenAsync(string address, JToken value, DataTypeEnum dataType, CancellationToken cancellationToken = default)
     {
-        try
+        return WriteJTokenAsync(this, address, value, dataType, cancellationToken);
+
+        static async PooledValueTask<OperResult> WriteJTokenAsync(DeviceBase @this, string address, JToken value, DataTypeEnum dataType, CancellationToken cancellationToken)
         {
-            var bitConverter = ThingsGatewayBitConverter.GetTransByAddress(address);
-            if (value is JArray jArray)
+            try
             {
-                return dataType switch
+                var bitConverter = @this.ThingsGatewayBitConverter.GetTransByAddress(address);
+                if (value is JArray jArray)
                 {
-                    DataTypeEnum.String => await WriteAsync(address, jArray.ToObject<String[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Boolean => await WriteAsync(address, jArray.ToObject<Boolean[]>().AsMemory(), cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Byte => await WriteAsync(address, jArray.ToObject<Byte[]>().AsMemory(), dataType, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Int16 => await WriteAsync(address, jArray.ToObject<Int16[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.UInt16 => await WriteAsync(address, jArray.ToObject<UInt16[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Int32 => await WriteAsync(address, jArray.ToObject<Int32[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.UInt32 => await WriteAsync(address, jArray.ToObject<UInt32[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Int64 => await WriteAsync(address, jArray.ToObject<Int64[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.UInt64 => await WriteAsync(address, jArray.ToObject<UInt64[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Float => await WriteAsync(address, jArray.ToObject<Single[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Double => await WriteAsync(address, jArray.ToObject<Double[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Decimal => await WriteAsync(address, jArray.ToObject<Decimal[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
-                    _ => new OperResult(string.Format(AppResource.DataTypeNotSupported, dataType)),
-                };
+                    return dataType switch
+                    {
+                        DataTypeEnum.String => await @this.WriteAsync(address, jArray.ToObject<String[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Boolean => await @this.WriteAsync(address, jArray.ToObject<Boolean[]>().AsMemory(), cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Byte => await @this.WriteAsync(address, jArray.ToObject<Byte[]>().AsMemory(), dataType, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Int16 => await @this.WriteAsync(address, jArray.ToObject<Int16[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.UInt16 => await @this.WriteAsync(address, jArray.ToObject<UInt16[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Int32 => await @this.WriteAsync(address, jArray.ToObject<Int32[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.UInt32 => await @this.WriteAsync(address, jArray.ToObject<UInt32[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Int64 => await @this.WriteAsync(address, jArray.ToObject<Int64[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.UInt64 => await @this.WriteAsync(address, jArray.ToObject<UInt64[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Float => await @this.WriteAsync(address, jArray.ToObject<Single[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Double => await @this.WriteAsync(address, jArray.ToObject<Double[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Decimal => await @this.WriteAsync(address, jArray.ToObject<Decimal[]>().AsMemory(), cancellationToken: cancellationToken).ConfigureAwait(false),
+                        _ => new OperResult(string.Format(AppResource.DataTypeNotSupported, dataType)),
+                    };
+                }
+                else
+                {
+                    return dataType switch
+                    {
+                        DataTypeEnum.String => await @this.WriteAsync(address, value.ToObject<String>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Boolean => await @this.WriteAsync(address, value.ToObject<Boolean>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Byte => await @this.WriteAsync(address, value.ToObject<Byte>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Int16 => await @this.WriteAsync(address, value.ToObject<Int16>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.UInt16 => await @this.WriteAsync(address, value.ToObject<UInt16>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Int32 => await @this.WriteAsync(address, value.ToObject<Int32>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.UInt32 => await @this.WriteAsync(address, value.ToObject<UInt32>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Int64 => await @this.WriteAsync(address, value.ToObject<Int64>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.UInt64 => await @this.WriteAsync(address, value.ToObject<UInt64>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Float => await @this.WriteAsync(address, value.ToObject<Single>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Double => await @this.WriteAsync(address, value.ToObject<Double>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        DataTypeEnum.Decimal => await @this.WriteAsync(address, value.ToObject<Decimal>(), bitConverter, cancellationToken).ConfigureAwait(false),
+                        _ => new OperResult(string.Format(AppResource.DataTypeNotSupported, dataType)),
+                    };
+                }
             }
-            else
+            catch (Exception ex)
             {
-                return dataType switch
-                {
-                    DataTypeEnum.String => await WriteAsync(address, value.ToObject<String>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Boolean => await WriteAsync(address, value.ToObject<Boolean>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Byte => await WriteAsync(address, value.ToObject<Byte>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Int16 => await WriteAsync(address, value.ToObject<Int16>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.UInt16 => await WriteAsync(address, value.ToObject<UInt16>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Int32 => await WriteAsync(address, value.ToObject<Int32>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.UInt32 => await WriteAsync(address, value.ToObject<UInt32>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Int64 => await WriteAsync(address, value.ToObject<Int64>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.UInt64 => await WriteAsync(address, value.ToObject<UInt64>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Float => await WriteAsync(address, value.ToObject<Single>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Double => await WriteAsync(address, value.ToObject<Double>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    DataTypeEnum.Decimal => await WriteAsync(address, value.ToObject<Decimal>(), bitConverter, cancellationToken).ConfigureAwait(false),
-                    _ => new OperResult(string.Format(AppResource.DataTypeNotSupported, dataType)),
-                };
+                return new OperResult(ex);
             }
         }
-        catch (Exception ex)
-        {
-            return new OperResult(ex);
-        }
     }
 
     #endregion 动态类型读写

src/Foundation/ThingsGateway.Foundation/Device/DeviceExtension.cs

@@ -102,33 +102,77 @@ public static partial class DeviceExtension
     public static OperResult PraseStructContent<T>(this IEnumerable<T> variables, IDevice device, ReadOnlySpan<byte> buffer, bool exWhenAny) where T : IVariable
     {
         var time = DateTime.Now;
-        var result = OperResult.Success;
-        foreach (var variable in variables)
+        if (variables is IList<T> collection)
         {
-            IThingsGatewayBitConverter byteConverter = variable.ThingsGatewayBitConverter;
-            var dataType = variable.DataType;
-            int index = variable.Index;
-            try
-            {
-                var changed = byteConverter.GetChangedDataFormBytes(device, variable.RegisterAddress, buffer, index, dataType, variable.ArrayLength ?? 1, variable.RawValue, out var data);
-                if (changed)
-                {
-                    result = variable.SetValue(data, time);
-                    if (exWhenAny)
-                        if (!result.IsSuccess)
-                            return result;
-                }
-                else
-                {
-                    variable.SetNoChangedValue(time);
-                }
-            }
-            catch (Exception ex)
-            {
-                return new OperResult($"Error parsing byte array, address: {variable.RegisterAddress}, array length: {buffer.Length}, index: {index}, type: {dataType}", ex);
-            }
+            return PraseCollection(collection, device, buffer, exWhenAny, time);
+        }
+        else
+        {
+            return PraseEnumerable(variables, device, buffer, exWhenAny, time);
+
+        }
+        static OperResult PraseEnumerable(IEnumerable<T> variables, IDevice device, ReadOnlySpan<byte> buffer, bool exWhenAny, DateTime time)
+        {
+            foreach (var variable in variables)
+            {
+                IThingsGatewayBitConverter byteConverter = variable.ThingsGatewayBitConverter;
+                var dataType = variable.DataType;
+                int index = variable.Index;
+                try
+                {
+                    var changed = byteConverter.GetChangedDataFormBytes(device, variable.RegisterAddress, buffer, index, dataType, variable.ArrayLength ?? 1, variable.RawValue, out var data);
+                    if (changed)
+                    {
+                        var result = variable.SetValue(data, time);
+                        if (exWhenAny)
+                            if (!result.IsSuccess)
+                                return result;
+                    }
+                    else
+                    {
+                        variable.SetNoChangedValue(time);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    return new OperResult($"Error parsing byte array, address: {variable.RegisterAddress}, array length: {buffer.Length}, index: {index}, type: {dataType}", ex);
+                }
+            }
+
+            return OperResult.Success;
+        }
+        static OperResult PraseCollection(IList<T> variables, IDevice device, ReadOnlySpan<byte> buffer, bool exWhenAny, DateTime time)
+        {
+            for (int i = 0; i < variables.Count; i++)
+            {
+                var variable = variables[i];
+
+                IThingsGatewayBitConverter byteConverter = variable.ThingsGatewayBitConverter;
+                var dataType = variable.DataType;
+                int index = variable.Index;
+                try
+                {
+                    var changed = byteConverter.GetChangedDataFormBytes(device, variable.RegisterAddress, buffer, index, dataType, variable.ArrayLength ?? 1, variable.RawValue, out var data);
+                    if (changed)
+                    {
+                        var result = variable.SetValue(data, time);
+                        if (exWhenAny)
+                            if (!result.IsSuccess)
+                                return result;
+                    }
+                    else
+                    {
+                        variable.SetNoChangedValue(time);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    return new OperResult($"Error parsing byte array, address: {variable.RegisterAddress}, array length: {buffer.Length}, index: {index}, type: {dataType}", ex);
+                }
+            }
+
+            return OperResult.Success;
         }
-        return result;
     }
 
     /// <summary>

src/Gateway/ThingsGateway.Gateway.Application/Common/AsyncReadWriteLock.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using PooledAwait;
+
 using TouchSocket.Core;
 
 namespace ThingsGateway.Gateway.Application;
@@ -28,22 +30,26 @@ public class AsyncReadWriteLock : IAsyncDisposable
     /// <summary>
     /// 获取读锁，支持多个线程并发读取，但写入时会阻止所有读取。
     /// </summary>
-    public async ValueTask<CancellationToken> ReaderLockAsync(CancellationToken cancellationToken)
+    public ValueTask<CancellationToken> ReaderLockAsync(CancellationToken cancellationToken)
     {
+        return ReaderLockAsync(this, cancellationToken);
 
-        if (Interlocked.Read(ref _writerCount) > 0)
+        static async PooledValueTask<CancellationToken> ReaderLockAsync(AsyncReadWriteLock @this, CancellationToken cancellationToken)
         {
-            Interlocked.Increment(ref _readerCount);
+            if (Interlocked.Read(ref @this._writerCount) > 0)
+            {
+                Interlocked.Increment(ref @this._readerCount);
 
 
 
-            // 第一个读者需要获取写入锁，防止写操作
-            await _readerLock.WaitOneAsync(cancellationToken).ConfigureAwait(false);
+                // 第一个读者需要获取写入锁，防止写操作
+                await @this._readerLock.WaitOneAsync(cancellationToken).ConfigureAwait(false);
 
-            Interlocked.Decrement(ref _readerCount);
+                Interlocked.Decrement(ref @this._readerCount);
 
+            }
+            return @this._cancellationTokenSource.Token;
         }
-        return _cancellationTokenSource.Token;
     }
 
     public bool WriteWaited => _writerCount > 0;
@@ -51,21 +57,25 @@ public class AsyncReadWriteLock : IAsyncDisposable
     /// <summary>
     /// 获取写锁，阻止所有读取。
     /// </summary>
-    public async ValueTask<IDisposable> WriterLockAsync(CancellationToken cancellationToken)
+    public ValueTask<IDisposable> WriterLockAsync(CancellationToken cancellationToken)
     {
+        return WriterLockAsync(this);
 
-        if (Interlocked.Increment(ref _writerCount) == 1)
+        static async PooledValueTask<IDisposable> WriterLockAsync(AsyncReadWriteLock @this)
         {
-            if (_writePriority)
+            if (Interlocked.Increment(ref @this._writerCount) == 1)
             {
-                var cancellationTokenSource = _cancellationTokenSource;
-                _cancellationTokenSource = new();
-                await cancellationTokenSource.SafeCancelAsync().ConfigureAwait(false); // 取消读取
-                cancellationTokenSource.SafeDispose();
+                if (@this._writePriority)
+                {
+                    var cancellationTokenSource = @this._cancellationTokenSource;
+                    @this._cancellationTokenSource = new();
+                    await cancellationTokenSource.SafeCancelAsync().ConfigureAwait(false); // 取消读取
+                    cancellationTokenSource.SafeDispose();
+                }
             }
-        }
 
-        return new Writer(this);
+            return new Writer(@this);
+        }
     }
     private object lockObject = new();
     private void ReleaseWriter()

src/Gateway/ThingsGateway.Gateway.Application/Common/Tasks/CronScheduledTask.cs

@@ -1,4 +1,6 @@
-using ThingsGateway.NewLife;
+using PooledAwait;
+
+using ThingsGateway.NewLife;
 using ThingsGateway.NewLife.Threading;
 
 using TouchSocket.Core;
@@ -67,47 +69,52 @@ public class CronScheduledTask : DisposeBase, IScheduledTask
             _timer = new TimerX(TimerCallbackAsync, _state, _interval, nameof(CronScheduledTask)) { Async = true, Reentrant = false };
     }
 
-    private async ValueTask TimerCallbackAsync(object? state)
+    private ValueTask TimerCallbackAsync(object? state)
     {
-        if (Check()) return;
-        if (_taskFunc == null && _valueTaskFunc == null)
+        return TimerCallbackAsync(this, state);
+        static async PooledValueTask TimerCallbackAsync(CronScheduledTask @this, object? state)
         {
-            Dispose();
-            return;
-        }
-
-        Interlocked.Increment(ref _pendingTriggers);
-
-        if (Interlocked.Exchange(ref _isRunning, 1) == 1)
-            return;
-
-        // 减少一个触发次数
-        Interlocked.Decrement(ref _pendingTriggers);
-
-        try
-        {
-            if (_taskFunc != null)
-                await _taskFunc(state, _token).ConfigureAwait(false);
-            else if (_valueTaskFunc != null)
-                await _valueTaskFunc(state, _token).ConfigureAwait(false);
-        }
-        catch (OperationCanceledException)
-        {
-        }
-        catch (Exception ex)
-        {
-            LogMessage?.LogWarning(ex);
-        }
-        finally
-        {
-            Interlocked.Exchange(ref _isRunning, 0);
-        }
-
-        if (Interlocked.Exchange(ref _pendingTriggers, 0) >= 1)
-        {
-            if (!Check())
+            if (@this.Check()) return;
+            if (@this._taskFunc == null && @this._valueTaskFunc == null)
             {
-                SetNext(next);
+                @this.Dispose();
+                return;
+            }
+
+            Interlocked.Increment(ref @this._pendingTriggers);
+
+            if (Interlocked.Exchange(ref @this._isRunning, 1) == 1)
+                return;
+
+            // 减少一个触发次数
+            Interlocked.Decrement(ref @this._pendingTriggers);
+
+            try
+            {
+                if (@this._taskFunc != null)
+                    await @this._taskFunc(state, @this._token).ConfigureAwait(false);
+                else if (@this._valueTaskFunc != null)
+                    await @this._valueTaskFunc(state, @this._token).ConfigureAwait(false);
+            }
+            catch (OperationCanceledException)
+            {
+            }
+            catch (Exception ex)
+            {
+                @this.LogMessage?.LogWarning(ex);
+            }
+            finally
+            {
+                Interlocked.Exchange(ref @this._isRunning, 0);
+            }
+
+            if (Interlocked.Exchange(ref @this._pendingTriggers, 0) >= 1)
+            {
+                if (!@this.Check())
+                {
+                    int nextValue = @this.next;
+                    @this.SetNext(nextValue);
+                }
             }
         }
     }
@@ -149,7 +156,8 @@ public class CronScheduledTask : DisposeBase, IScheduledTask
         {
             if (!Check())
             {
-                SetNext(next);
+                int nextValue = next;
+                SetNext(nextValue);
             }
         }
     }

src/Gateway/ThingsGateway.Gateway.Application/Common/Tasks/DoTask.cs

@@ -1,146 +0,0 @@
-////------------------------------------------------------------------------------
-////  此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
-////  此代码版权（除特别声明外的代码）归作者本人Diego所有
-////  源代码使用协议遵循本仓库的开源协议及附加协议
-////  Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
-////  Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
-////  使用文档：https://thingsgateway.cn/
-////  QQ群：605534569
-////------------------------------------------------------------------------------
-
-//using Microsoft.Extensions.Logging;
-
-//using ThingsGateway.NewLife;
-
-//using TouchSocket.Core;
-
-//namespace ThingsGateway.Gateway.Application;
-
-//[ThingsGateway.DependencyInjection.SuppressSniffer]
-//public class DoTask
-//{
-//    /// <summary>
-//    /// 取消令牌
-//    /// </summary>
-//    private CancellationTokenSource? _cancelTokenSource;
-//    private object? _state;
-
-//    public DoTask(Func<object?, CancellationToken, Task> doWork, ILog logger, object? state = null, string taskName = null)
-//    {
-//        DoWork = doWork; Logger = logger; TaskName = taskName; _state = state;
-//    }
-
-//    /// <summary>
-//    /// 执行任务方法
-//    /// </summary>
-//    public Func<object?, CancellationToken, Task> DoWork { get; }
-//    private ILog Logger { get; }
-//    private Task PrivateTask { get; set; }
-//    private string TaskName { get; }
-
-//    /// <summary>
-//    /// 开始
-//    /// </summary>
-//    /// <param name="cancellationToken">调度取消令牌</param>
-//    public void Start(CancellationToken cancellationToken)
-//    {
-//        try
-//        {
-//            WaitLock.Wait(cancellationToken);
-
-//            if (cancellationToken.CanBeCanceled)
-//            {
-//                _cancelTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
-//            }
-//            else
-//            {
-//                _cancelTokenSource = new CancellationTokenSource();
-//            }
-
-//            // 异步执行
-//            PrivateTask = Do();
-//        }
-//        finally
-//        {
-//            WaitLock.Release();
-//        }
-//    }
-
-//    private async Task Do()
-//    {
-//        await Task.Yield();
-//        while (!_cancelTokenSource.IsCancellationRequested)
-//        {
-//            try
-//            {
-//                if (_cancelTokenSource.IsCancellationRequested)
-//                    return;
-//                await DoWork(_state, _cancelTokenSource.Token).ConfigureAwait(false);
-//            }
-//            catch (OperationCanceledException)
-//            {
-//            }
-//            catch (ObjectDisposedException)
-//            {
-//            }
-//            catch (Exception ex)
-//            {
-//                Logger?.LogWarning(ex, "DoWork");
-//            }
-//        }
-//    }
-
-//    private WaitLock WaitLock = new();
-//    /// <summary>
-//    /// 停止操作
-//    /// </summary>
-//    public async Task StopAsync(TimeSpan? waitTime = null)
-//    {
-//        try
-//        {
-//            await WaitLock.WaitAsync().ConfigureAwait(false);
-
-//            try
-//            {
-//                _cancelTokenSource?.Cancel();
-//                _cancelTokenSource?.Dispose();
-//            }
-//            catch (Exception ex)
-//            {
-//                Logger?.LogWarning(ex, "Cancel error");
-//            }
-
-//            if (PrivateTask != null)
-//            {
-//                try
-//                {
-//                    if (TaskName != null)
-//                        Logger?.LogInformation($"{TaskName} Stoping");
-//                    if (waitTime != null)
-//                        await PrivateTask.WaitAsync(waitTime.Value).ConfigureAwait(false);
-//                    if (TaskName != null)
-//                        Logger?.LogInformation($"{TaskName} Stoped");
-//                }
-//                catch (ObjectDisposedException)
-//                {
-//                }
-//                catch (TimeoutException)
-//                {
-//                    if (TaskName != null)
-//                        Logger?.LogWarning($"{TaskName} Stop timeout, exiting wait block");
-//                }
-//                catch (Exception ex)
-//                {
-//                    if (TaskName != null)
-//                        Logger?.LogWarning(ex, $"{TaskName} Stop error");
-//                }
-//                PrivateTask = null;
-
-//            }
-//        }
-//        finally
-//        {
-//            WaitLock.Release();
-//        }
-//    }
-//}

src/Gateway/ThingsGateway.Gateway.Application/Common/Tasks/ScheduledAsyncTask.cs

@@ -1,4 +1,6 @@
-using ThingsGateway.NewLife;
+using PooledAwait;
+
+using ThingsGateway.NewLife;
 using ThingsGateway.NewLife.Threading;
 
 using TouchSocket.Core;
@@ -51,49 +53,54 @@ public class ScheduledAsyncTask : DisposeBase, IScheduledTask, IScheduledIntInte
             _timer = new TimerX(DoAsync, _state, IntervalMS, IntervalMS, nameof(ScheduledAsyncTask)) { Async = true, Reentrant = false };
     }
 
-    private async ValueTask DoAsync(object? state)
+    private ValueTask DoAsync(object? state)
     {
-        if (Check())
-            return;
-
-        if (_taskFunc == null && _valueTaskFunc == null)
+        return DoAsync(this, state);
+        static async PooledValueTask DoAsync(ScheduledAsyncTask @this, object? state)
         {
-            Dispose();
-            return;
-        }
+            if (@this.Check())
+                return;
 
-        Interlocked.Increment(ref _pendingTriggers);
-
-        if (Interlocked.Exchange(ref _isRunning, 1) == 1)
-            return;
-
-        // 减少一个触发次数
-        Interlocked.Decrement(ref _pendingTriggers);
-
-        try
-        {
-            if (_taskFunc != null)
-                await _taskFunc(state, _token).ConfigureAwait(false);
-            else if (_valueTaskFunc != null)
-                await _valueTaskFunc(state, _token).ConfigureAwait(false);
-        }
-        catch (OperationCanceledException)
-        {
-        }
-        catch (Exception ex)
-        {
-            LogMessage?.LogWarning(ex);
-        }
-        finally
-        {
-            Interlocked.Exchange(ref _isRunning, 0);
-        }
-
-        if (Interlocked.Exchange(ref _pendingTriggers, 0) >= 1)
-        {
-            if (!Check() && IntervalMS > 8)
+            if (@this._taskFunc == null && @this._valueTaskFunc == null)
             {
-                SetNext(next);
+                @this.Dispose();
+                return;
+            }
+
+            Interlocked.Increment(ref @this._pendingTriggers);
+
+            if (Interlocked.Exchange(ref @this._isRunning, 1) == 1)
+                return;
+
+            // 减少一个触发次数
+            Interlocked.Decrement(ref @this._pendingTriggers);
+
+            try
+            {
+                if (@this._taskFunc != null)
+                    await @this._taskFunc(state, @this._token).ConfigureAwait(false);
+                else if (@this._valueTaskFunc != null)
+                    await @this._valueTaskFunc(state, @this._token).ConfigureAwait(false);
+            }
+            catch (OperationCanceledException)
+            {
+            }
+            catch (Exception ex)
+            {
+                @this.LogMessage?.LogWarning(ex);
+            }
+            finally
+            {
+                Interlocked.Exchange(ref @this._isRunning, 0);
+            }
+
+            if (Interlocked.Exchange(ref @this._pendingTriggers, 0) >= 1)
+            {
+                if (!@this.Check() && @this.IntervalMS > 8)
+                {
+                    int nextValue = @this.next;
+                    @this.SetNext(nextValue);
+                }
             }
         }
     }

src/Gateway/ThingsGateway.Gateway.Application/Common/Tasks/ScheduledSyncTask.cs

@@ -80,7 +80,8 @@ public class ScheduledSyncTask : DisposeBase, IScheduledTask, IScheduledIntInter
         {
             if (!Check() && IntervalMS > 8)
             {
-                SetNext(next);
+                int nextValue = next;
+                SetNext(nextValue);
             }
         }
     }

src/Gateway/ThingsGateway.Gateway.Application/Controller/ControlController.cs

@@ -15,6 +15,7 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 
 using System.ComponentModel;
+using ThingsGateway.NewLife.DictionaryExtensions;
 
 using ThingsGateway.FriendlyException;
 
@@ -122,16 +123,11 @@ public class ControlController : ControllerBase, IRpcServer
     [TouchSocket.WebApi.WebApi(Method = TouchSocket.WebApi.HttpMethodType.Post)]
     public async Task<Dictionary<string, Dictionary<string, OperResult>>> WriteVariablesAsync([FromBody][TouchSocket.WebApi.FromBody] Dictionary<string, Dictionary<string, string>> deviceDatas)
     {
-        foreach (var deviceData in deviceDatas)
-        {
-            if (GlobalData.Devices.TryGetValue(deviceData.Key, out var device))
-            {
-                var data = device.VariableRuntimes.Where(a => deviceData.Value.ContainsKey(a.Key)).ToList();
-                await GlobalData.SysUserService.CheckApiDataScopeAsync(data.Select(a => a.Value.CreateOrgId), data.Select(a => a.Value.CreateUserId)).ConfigureAwait(false);
-            }
-        }
+        await GlobalData.CheckByDeviceNames(deviceDatas.Select(a => a.Key)).ConfigureAwait(false);
 
         return (await GlobalData.RpcService.InvokeDeviceMethodAsync($"WebApi-{UserManager.UserAccount}-{App.HttpContext?.GetRemoteIpAddressToIPv4()}", deviceDatas).ConfigureAwait(false)).ToDictionary(a => a.Key, a => a.Value.ToDictionary(b => b.Key, b => (OperResult)b.Value));
+
+
     }
 
     /// <summary>

src/Gateway/ThingsGateway.Gateway.Application/Driver/Collect/CollectBase.cs

@@ -12,12 +12,16 @@ using Microsoft.Extensions.Logging;
 
 using Newtonsoft.Json.Linq;
 
+using PooledAwait;
+
 using System.Collections.Concurrent;
 
 using ThingsGateway.Common.Extension;
 using ThingsGateway.Extension.Generic;
 #if !Management
 using ThingsGateway.Gateway.Application.Extensions;
+using ThingsGateway.NewLife;
+
 #endif
 using ThingsGateway.NewLife.Json.Extension;
 using ThingsGateway.NewLife.Threading;
@@ -290,199 +294,397 @@ public abstract partial class CollectBase : DriverBase
 
 
     #region 执行方法
-    async ValueTask ReadVariableMed(object? state, CancellationToken cancellationToken)
+    ValueTask ReadVariableMed(object? state, CancellationToken cancellationToken)
     {
-        if (state is not VariableMethod readVariableMethods) return;
+        if (state is not VariableMethod readVariableMethods)
+            return ValueTask.CompletedTask;
         if (Pause)
-            return;
+            return ValueTask.CompletedTask;
         if (cancellationToken.IsCancellationRequested)
-            return;
+            return ValueTask.CompletedTask;
+        return ReadVariableMed(this, readVariableMethods, cancellationToken);
 
-        var readErrorCount = 0;
-
-        //if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-        //    LogMessage?.Trace(string.Format("{0} - Executing method [{1}]", DeviceName, readVariableMethods.MethodInfo.Name));
-        var readResult = await InvokeMethodAsync(readVariableMethods, cancellationToken: cancellationToken).ConfigureAwait(false);
-
-        // 方法调用失败时重试一定次数
-        while (!readResult.IsSuccess && readErrorCount < CollectProperties.RetryCount)
+        static async PooledValueTask ReadVariableMed(CollectBase @this, VariableMethod readVariableMethods, CancellationToken cancellationToken)
         {
-            if (Pause)
-                return;
-            if (cancellationToken.IsCancellationRequested)
-                return;
 
-            readErrorCount++;
-            if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-                LogMessage?.Trace(string.Format("{0} - Execute method [{1}] - failed - {2}", DeviceName, readVariableMethods.MethodInfo.Name, readResult.ErrorMessage));
+            var readErrorCount = 0;
 
             //if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
             //    LogMessage?.Trace(string.Format("{0} - Executing method [{1}]", DeviceName, readVariableMethods.MethodInfo.Name));
-            readResult = await InvokeMethodAsync(readVariableMethods, cancellationToken: cancellationToken).ConfigureAwait(false);
-        }
+            var readResult = await @this.InvokeMethodAsync(readVariableMethods, cancellationToken: cancellationToken).ConfigureAwait(false);
 
-        if (readResult.IsSuccess)
-        {
-            // 方法调用成功时记录日志并增加成功计数器
-            if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-                LogMessage?.Trace(string.Format("{0} - Execute method [{1}] - Succeeded {2}", DeviceName, readVariableMethods.MethodInfo.Name, readResult.Content?.ToSystemTextJsonString()));
-            CurrentDevice.SetDeviceStatus(TimerX.Now, null);
-        }
-        else
-        {
-            if (cancellationToken.IsCancellationRequested)
-                return;
-
-            // 方法调用失败时记录日志并增加失败计数器，更新错误信息
-            if (readVariableMethods.LastErrorMessage != readResult.ErrorMessage)
+            // 方法调用失败时重试一定次数
+            while (!readResult.IsSuccess && readErrorCount < @this.CollectProperties.RetryCount)
             {
-                if (!cancellationToken.IsCancellationRequested)
-                    LogMessage?.LogWarning(readResult.Exception, string.Format(AppResource.MethodFail, DeviceName, readVariableMethods.MethodInfo.Name, readResult.ErrorMessage));
+                if (@this.Pause)
+                    return;
+                if (cancellationToken.IsCancellationRequested)
+                    return;
+
+                readErrorCount++;
+                if (@this.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                    @this.LogMessage?.Trace(string.Format("{0} - Execute method [{1}] - failed - {2}", @this.DeviceName, readVariableMethods.MethodInfo.Name, readResult.ErrorMessage));
+
+                //if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                //    LogMessage?.Trace(string.Format("{0} - Executing method [{1}]", DeviceName, readVariableMethods.MethodInfo.Name));
+                readResult = await @this.InvokeMethodAsync(readVariableMethods, cancellationToken: cancellationToken).ConfigureAwait(false);
+            }
+
+            if (readResult.IsSuccess)
+            {
+                // 方法调用成功时记录日志并增加成功计数器
+                if (@this.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                    @this.LogMessage?.Trace(string.Format("{0} - Execute method [{1}] - Succeeded {2}", @this.DeviceName, readVariableMethods.MethodInfo.Name, readResult.Content?.ToSystemTextJsonString()));
+                @this.CurrentDevice.SetDeviceStatus(TimerX.Now, null);
             }
             else
             {
-                if (!cancellationToken.IsCancellationRequested)
+                if (cancellationToken.IsCancellationRequested)
+                    return;
+
+                // 方法调用失败时记录日志并增加失败计数器，更新错误信息
+                if (readVariableMethods.LastErrorMessage != readResult.ErrorMessage)
                 {
-                    if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-                        LogMessage?.Trace(string.Format("{0} - Execute method [{1}] - failed - {2}", DeviceName, readVariableMethods.MethodInfo.Name, readResult.ErrorMessage));
+                    if (!cancellationToken.IsCancellationRequested)
+                        @this.LogMessage?.LogWarning(readResult.Exception, string.Format(AppResource.MethodFail, @this.DeviceName, readVariableMethods.MethodInfo.Name, readResult.ErrorMessage));
                 }
+                else
+                {
+                    if (!cancellationToken.IsCancellationRequested)
+                    {
+                        if (@this.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                            @this.LogMessage?.Trace(string.Format("{0} - Execute method [{1}] - failed - {2}", @this.DeviceName, readVariableMethods.MethodInfo.Name, readResult.ErrorMessage));
+                    }
+                }
+
+                readVariableMethods.LastErrorMessage = readResult.ErrorMessage;
+                @this.CurrentDevice.SetDeviceStatus(TimerX.Now, null);
             }
 
-            readVariableMethods.LastErrorMessage = readResult.ErrorMessage;
-            CurrentDevice.SetDeviceStatus(TimerX.Now, null);
+            return;
         }
-
-        return;
     }
 
     #endregion
     private readonly LinkedCancellationTokenSourceCache _linkedCtsCache = new();
 
     #region 执行默认读取
-    async ValueTask ReadVariableSource(object? state, CancellationToken cancellationToken)
+    ValueTask ReadVariableSource(object? state, CancellationToken cancellationToken)
     {
-
-        if (state is not VariableSourceRead variableSourceRead) return;
-
-        if (Pause) return;
-        if (cancellationToken.IsCancellationRequested) return;
-        CancellationToken readToken = default;
-        var readerLockTask = ReadWriteLock.ReaderLockAsync(cancellationToken);
-        if (!readerLockTask.IsCompleted)
+        return ReadVariableSource(this, state, cancellationToken);
+        static async PooledValueTask ReadVariableSource(CollectBase @this, object? state, CancellationToken cancellationToken)
         {
-            readToken = await readerLockTask.ConfigureAwait(false);
-        }
-        else
-        {
-            readToken = readerLockTask.Result;
-        }
+            if (state is not VariableSourceRead variableSourceRead) return;
 
-        if (readToken.IsCancellationRequested)
-        {
-            await ReadVariableSource(state, cancellationToken).ConfigureAwait(false);
-            return;
-        }
-
-        var allTokenSource = _linkedCtsCache.GetLinkedTokenSource(cancellationToken, readToken);
-        var allToken = allTokenSource.Token;
-
-        //if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-        //    LogMessage?.Trace(string.Format("{0} - Collecting [{1} - {2}]", DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length));
-
-        OperResult<ReadOnlyMemory<byte>> readResult = default;
-        var readTask = ReadSourceAsync(variableSourceRead, allToken);
-        if (!readTask.IsCompleted)
-        {
-            readResult = await readTask.ConfigureAwait(false);
-        }
-        else
-        {
-            readResult = readTask.Result;
-        }
-
-        var readErrorCount = 0;
-
-        // 读取失败时重试一定次数
-        while (!readResult.IsSuccess && readErrorCount < CollectProperties.RetryCount)
-        {
-            if (Pause)
-                return;
-            if (cancellationToken.IsCancellationRequested)
-                return;
+            if (@this.Pause) return;
+            if (cancellationToken.IsCancellationRequested) return;
+            CancellationToken readToken = default;
+            var readerLockTask = @this.ReadWriteLock.ReaderLockAsync(cancellationToken);
+            if (!readerLockTask.IsCompleted)
+            {
+                readToken = await readerLockTask.ConfigureAwait(false);
+            }
+            else
+            {
+                readToken = readerLockTask.Result;
+            }
 
             if (readToken.IsCancellationRequested)
             {
-                await ReadVariableSource(state, cancellationToken).ConfigureAwait(false);
+                await @this.ReadVariableSource(state, cancellationToken).ConfigureAwait(false);
                 return;
             }
 
-            readErrorCount++;
-            if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-                LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] failed - {3}", DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.ErrorMessage));
+            var allTokenSource = @this._linkedCtsCache.GetLinkedTokenSource(cancellationToken, readToken);
+            var allToken = allTokenSource.Token;
 
             //if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
             //    LogMessage?.Trace(string.Format("{0} - Collecting [{1} - {2}]", DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length));
-            var readTask1 = ReadSourceAsync(variableSourceRead, allToken);
-            if (!readTask1.IsCompleted)
+
+            OperResult<ReadOnlyMemory<byte>> readResult = default;
+            var readTask = @this.ReadSourceAsync(variableSourceRead, allToken);
+            if (!readTask.IsCompleted)
             {
-                readResult = await readTask1.ConfigureAwait(false);
+                readResult = await readTask.ConfigureAwait(false);
             }
             else
             {
-                readResult = readTask1.Result;
+                readResult = readTask.Result;
             }
 
-        }
+            var readErrorCount = 0;
 
-        if (readResult.IsSuccess)
-        {
-            // 读取成功时记录日志并增加成功计数器
-            if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-                LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] data succeeded {3}", DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.Content.Span.ToHexString(' ')));
-            CurrentDevice.SetDeviceStatus(TimerX.Now, null);
-        }
-        else
-        {
-            if (cancellationToken.IsCancellationRequested)
-                return;
+            // 读取失败时重试一定次数
+            while (!readResult.IsSuccess && readErrorCount < @this.CollectProperties.RetryCount)
+            {
+                if (@this.Pause)
+                    return;
+                if (cancellationToken.IsCancellationRequested)
+                    return;
 
-            if (readToken.IsCancellationRequested)
-            {
-                await ReadVariableSource(state, cancellationToken).ConfigureAwait(false);
-                return;
-            }
-
-            // 读取失败时记录日志并增加失败计数器，更新错误信息并清除变量状态
-            if (variableSourceRead.LastErrorMessage != readResult.ErrorMessage)
-            {
-                if (!cancellationToken.IsCancellationRequested)
-                    LogMessage?.LogWarning(readResult.Exception, string.Format(AppResource.CollectFail, DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.ErrorMessage));
-            }
-            else
-            {
-                if (!cancellationToken.IsCancellationRequested)
+                if (readToken.IsCancellationRequested)
                 {
-                    if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
-                        LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] data failed - {3}", DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.ErrorMessage));
+                    await @this.ReadVariableSource(state, cancellationToken).ConfigureAwait(false);
+                    return;
                 }
+
+                readErrorCount++;
+                if (@this.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                    @this.LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] failed - {3}", @this.DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.ErrorMessage));
+
+                //if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                //    LogMessage?.Trace(string.Format("{0} - Collecting [{1} - {2}]", DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length));
+                var readTask1 = @this.ReadSourceAsync(variableSourceRead, allToken);
+                if (!readTask1.IsCompleted)
+                {
+                    readResult = await readTask1.ConfigureAwait(false);
+                }
+                else
+                {
+                    readResult = readTask1.Result;
+                }
+
             }
 
-            variableSourceRead.LastErrorMessage = readResult.ErrorMessage;
-            CurrentDevice.SetDeviceStatus(TimerX.Now, null, readResult.ErrorMessage);
-            var time = DateTime.Now;
-            foreach (var item in variableSourceRead.VariableRuntimes)
+            if (readResult.IsSuccess)
             {
-                item.SetValue(null, time, isOnline: false);
+                // 读取成功时记录日志并增加成功计数器
+                if (@this.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                    @this.LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] data succeeded {3}", @this.DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.Content.Span.ToHexString(' ')));
+                @this.CurrentDevice.SetDeviceStatus(TimerX.Now, null);
+            }
+            else
+            {
+                if (cancellationToken.IsCancellationRequested)
+                    return;
+
+                if (readToken.IsCancellationRequested)
+                {
+                    await @this.ReadVariableSource(state, cancellationToken).ConfigureAwait(false);
+                    return;
+                }
+
+                // 读取失败时记录日志并增加失败计数器，更新错误信息并清除变量状态
+                if (variableSourceRead.LastErrorMessage != readResult.ErrorMessage)
+                {
+                    if (!cancellationToken.IsCancellationRequested)
+                        @this.LogMessage?.LogWarning(readResult.Exception, string.Format(AppResource.CollectFail, @this.DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.ErrorMessage));
+                }
+                else
+                {
+                    if (!cancellationToken.IsCancellationRequested)
+                    {
+                        if (@this.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+                            @this.LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] data failed - {3}", @this.DeviceName, variableSourceRead?.RegisterAddress, variableSourceRead?.Length, readResult.ErrorMessage));
+                    }
+                }
+
+                variableSourceRead.LastErrorMessage = readResult.ErrorMessage;
+                @this.CurrentDevice.SetDeviceStatus(TimerX.Now, null, readResult.ErrorMessage);
+                var time = DateTime.Now;
+                foreach (var item in variableSourceRead.VariableRuntimes)
+                {
+                    item.SetValue(null, time, isOnline: false);
+                }
             }
         }
     }
 
+
+    //    private ValueTask ReadVariableSource(object? state, CancellationToken cancellationToken)
+    //    {
+    //        var enumerator = new ReadVariableSourceEnumerator(this, state, cancellationToken);
+    //        return enumerator.MoveNextAsync();
+    //    }
+
+    //    private struct ReadVariableSourceEnumerator
+    //    {
+    //        private readonly CollectBase _owner;
+    //        private readonly object? _state;
+    //        private readonly CancellationToken _cancellationToken;
+
+    //        private VariableSourceRead _variableSourceRead;
+    //        private CancellationToken _readToken;
+    //        private CancellationToken _allToken;
+    //        private OperResult<ReadOnlyMemory<byte>> _readResult;
+    //        private int _readErrorCount;
+    //        private ValueTask<CancellationToken> _readerLockTask;
+    //        private ValueTask<OperResult<ReadOnlyMemory<byte>>> _readTask;
+    //        private int _step;
+
+    //        public ReadVariableSourceEnumerator(CollectBase owner, object? state, CancellationToken cancellationToken)
+    //        {
+    //            _owner = owner;
+    //            _state = state;
+    //            _cancellationToken = cancellationToken;
+
+    //            _variableSourceRead = default!;
+    //            _readToken = default;
+    //            _allToken = default;
+    //            _readResult = default;
+    //            _readErrorCount = 0;
+    //            _readerLockTask = default;
+    //            _readTask = default;
+    //            _step = 0;
+    //        }
+
+    //        public ValueTask MoveNextAsync()
+    //        {
+    //            switch (_step)
+    //            {
+    //                case 0:
+    //                    if (_state is not VariableSourceRead vsr) return default;
+    //                    _variableSourceRead = vsr;
+
+    //                    if (_owner.Pause) return default;
+    //                    if (_cancellationToken.IsCancellationRequested) return default;
+
+    //#pragma warning disable CA2012 // 正确使用 ValueTask
+    //                    _readerLockTask = _owner.ReadWriteLock.ReaderLockAsync(_cancellationToken);
+    //#pragma warning restore CA2012 // 正确使用 ValueTask
+    //                    if (!_readerLockTask.IsCompleted)
+    //                    {
+    //                        _step = 1;
+    //                        return AwaitReaderLock();
+    //                    }
+    //                    _readToken = _readerLockTask.Result;
+    //                    goto case 2;
+
+    //                case 1:
+    //                    _readToken = _readerLockTask.Result;
+    //                    goto case 2;
+
+    //                case 2:
+    //                    if (_readToken.IsCancellationRequested)
+    //                    {
+    //                        return _owner.ReadVariableSource(_state, _cancellationToken);
+    //                    }
+
+    //                    var allTokenSource = _owner._linkedCtsCache.GetLinkedTokenSource(_cancellationToken, _readToken);
+    //                    _allToken = allTokenSource.Token;
+
+    //#pragma warning disable CA2012 // 正确使用 ValueTask
+    //                    _readTask = _owner.ReadSourceAsync(_variableSourceRead, _allToken);
+    //#pragma warning restore CA2012 // 正确使用 ValueTask
+    //                    if (!_readTask.IsCompleted)
+    //                    {
+    //                        _step = 3;
+    //                        return AwaitRead();
+    //                    }
+    //                    _readResult = _readTask.Result;
+    //                    goto case 4;
+
+    //                case 3:
+    //                    _readResult = _readTask.Result;
+    //                    goto case 4;
+
+    //                case 4:
+    //                    while (!_readResult.IsSuccess && _readErrorCount < _owner.CollectProperties.RetryCount)
+    //                    {
+    //                        if (_owner.Pause) return default;
+    //                        if (_cancellationToken.IsCancellationRequested) return default;
+
+    //                        if (_readToken.IsCancellationRequested)
+    //                        {
+    //                            return _owner.ReadVariableSource(_state, _cancellationToken);
+    //                        }
+
+    //                        _readErrorCount++;
+    //                        if (_owner.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+    //                            _owner.LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] failed - {3}",
+    //                                _owner.DeviceName, _variableSourceRead?.RegisterAddress, _variableSourceRead?.Length, _readResult.ErrorMessage));
+
+    //#pragma warning disable CA2012 // 正确使用 ValueTask
+    //                        _readTask = _owner.ReadSourceAsync(_variableSourceRead, _allToken);
+    //#pragma warning restore CA2012 // 正确使用 ValueTask
+    //                        if (!_readTask.IsCompleted)
+    //                        {
+    //                            _step = 5;
+    //                            return AwaitReadRetry();
+    //                        }
+    //                        _readResult = _readTask.Result;
+    //                    }
+
+    //                    goto case 6;
+
+    //                case 5:
+    //                    _readResult = _readTask.Result;
+    //                    _step = 4;
+    //                    return MoveNextAsync();
+
+    //                case 6:
+    //                    if (_readResult.IsSuccess)
+    //                    {
+    //                        if (_owner.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+    //                            _owner.LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] data succeeded {3}",
+    //                                _owner.DeviceName, _variableSourceRead?.RegisterAddress, _variableSourceRead?.Length, _readResult.Content.Span.ToHexString(' ')));
+
+    //                        _owner.CurrentDevice.SetDeviceStatus(TimerX.Now, null);
+    //                    }
+    //                    else
+    //                    {
+    //                        if (_cancellationToken.IsCancellationRequested) return default;
+    //                        if (_readToken.IsCancellationRequested)
+    //                        {
+    //                            return _owner.ReadVariableSource(_state, _cancellationToken);
+    //                        }
+
+    //                        if (_variableSourceRead.LastErrorMessage != _readResult.ErrorMessage)
+    //                        {
+    //                            if (!_cancellationToken.IsCancellationRequested)
+    //                                _owner.LogMessage?.LogWarning(_readResult.Exception, string.Format(AppResource.CollectFail, _owner.DeviceName,
+    //                                    _variableSourceRead?.RegisterAddress, _variableSourceRead?.Length, _readResult.ErrorMessage));
+    //                        }
+    //                        else
+    //                        {
+    //                            if (!_cancellationToken.IsCancellationRequested && _owner.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Trace)
+    //                                _owner.LogMessage?.Trace(string.Format("{0} - Collection [{1} - {2}] data failed - {3}",
+    //                                    _owner.DeviceName, _variableSourceRead?.RegisterAddress, _variableSourceRead?.Length, _readResult.ErrorMessage));
+    //                        }
+
+    //                        _variableSourceRead.LastErrorMessage = _readResult.ErrorMessage;
+    //                        _owner.CurrentDevice.SetDeviceStatus(TimerX.Now, null, _readResult.ErrorMessage);
+    //                        var time = DateTime.Now;
+    //                        foreach (var item in _variableSourceRead.VariableRuntimes)
+    //                        {
+    //                            item.SetValue(null, time, isOnline: false);
+    //                        }
+    //                    }
+    //                    break;
+    //            }
+
+    //            return default;
+    //        }
+
+    //        private async ValueTask AwaitReaderLock()
+    //        {
+    //            await _readerLockTask.ConfigureAwait(false);
+    //            _step = 1;
+    //            await MoveNextAsync().ConfigureAwait(false);
+    //        }
+
+    //        private async ValueTask AwaitRead()
+    //        {
+    //            await _readTask.ConfigureAwait(false);
+    //            _step = 3;
+    //            await MoveNextAsync().ConfigureAwait(false);
+    //        }
+
+    //        private async ValueTask AwaitReadRetry()
+    //        {
+    //            await _readTask.ConfigureAwait(false);
+    //            _step = 5;
+    //            await MoveNextAsync().ConfigureAwait(false);
+    //        }
+    //    }
+
+
     #endregion
 
 
-    protected virtual Task TestOnline(object? state, CancellationToken cancellationToken)
+    protected virtual ValueTask TestOnline(object? state, CancellationToken cancellationToken)
     {
-        return Task.CompletedTask;
+        return ValueTask.CompletedTask;
     }
 
     protected void ScriptVariableRun(object? state, CancellationToken cancellationToken)
@@ -533,38 +735,43 @@ public abstract partial class CollectBase : DriverBase
     {
         throw new NotImplementedException();
     }
-    protected async Task Check(Dictionary<VariableRuntime, JToken> writeInfoLists, NonBlockingDictionary<string, OperResult> operResults, CancellationToken cancellationToken)
+    protected Task Check(Dictionary<VariableRuntime, JToken> writeInfoLists, NonBlockingDictionary<string, OperResult> operResults, CancellationToken cancellationToken)
     {
-        if (VariableSourceReadsEnable)
+        return Check(this, writeInfoLists, operResults, cancellationToken);
+
+        static async PooledTask Check(CollectBase @this, Dictionary<VariableRuntime, JToken> writeInfoLists, NonBlockingDictionary<string, OperResult> operResults, CancellationToken cancellationToken)
         {
-            // 如果成功，每个变量都读取一次最新值，再次比较写入值
-            var successfulWriteNames = operResults.Where(a => a.Value.IsSuccess).Select(a => a.Key).ToHashSet();
-
-            var groups = writeInfoLists.Select(a => a.Key).Where(a => a.RpcWriteCheck && a.ProtectType != ProtectTypeEnum.WriteOnly && successfulWriteNames.Contains(a.Name) && a.VariableSource != null).GroupBy(a => a.VariableSource as VariableSourceRead).Where(a => a.Key != null).ToArray();
-
-            await groups.ParallelForEachAsync(async (varRead, token) =>
+            if (@this.VariableSourceReadsEnable)
             {
-                var result = await ReadSourceAsync(varRead.Key, token).ConfigureAwait(false);
-                if (result.IsSuccess)
+                // 如果成功，每个变量都读取一次最新值，再次比较写入值
+                var successfulWriteNames = operResults.Where(a => a.Value.IsSuccess).Select(a => a.Key).ToHashSet();
+
+                var groups = writeInfoLists.Select(a => a.Key).Where(a => a.RpcWriteCheck && a.ProtectType != ProtectTypeEnum.WriteOnly && successfulWriteNames.Contains(a.Name) && a.VariableSource != null).GroupBy(a => a.VariableSource as VariableSourceRead).Where(a => a.Key != null).ToArray();
+
+                await groups.ParallelForEachAsync(async (varRead, token) =>
                 {
-                    foreach (var item in varRead)
+                    var result = await @this.ReadSourceAsync(varRead.Key, token).ConfigureAwait(false);
+                    if (result.IsSuccess)
                     {
-                        if (!item.Value.Equals(writeInfoLists[item].ToObject(item.Value?.GetType())))
+                        foreach (var item in varRead)
                         {
-                            // 如果写入值与读取值不同，则更新操作结果为失败
-                            operResults[item.Name] = new OperResult($"The write value is inconsistent with the read value,  Write value: {writeInfoLists[item].ToObject(item.Value?.GetType())}, read value: {item.Value}");
+                            if (!item.Value.Equals(writeInfoLists[item].ToObject(item.Value?.GetType())))
+                            {
+                                // 如果写入值与读取值不同，则更新操作结果为失败
+                                operResults[item.Name] = new OperResult($"The write value is inconsistent with the read value,  Write value: {writeInfoLists[item].ToObject(item.Value?.GetType())}, read value: {item.Value}");
+                            }
                         }
                     }
-                }
-                else
-                {
-                    foreach (var item in varRead)
+                    else
                     {
-                        // 如果写入值与读取值不同，则更新操作结果为失败
-                        operResults[item.Name] = new OperResult($"Reading and rechecking resulted in an error: {result.ErrorMessage}", result.Exception);
+                        foreach (var item in varRead)
+                        {
+                            // 如果写入值与读取值不同，则更新操作结果为失败
+                            operResults[item.Name] = new OperResult($"Reading and rechecking resulted in an error: {result.ErrorMessage}", result.Exception);
+                        }
                     }
-                }
-            }, cancellationToken).ConfigureAwait(false);
+                }, cancellationToken).ConfigureAwait(false);
+            }
         }
     }
 
@@ -576,66 +783,71 @@ public abstract partial class CollectBase : DriverBase
     /// <param name="writeInfoLists">要写入的变量及其对应的数据</param>
     /// <param name="cancellationToken">取消操作的通知</param>
     /// <returns>写入操作的结果字典</returns>
-    public async ValueTask<Dictionary<string, Dictionary<string, IOperResult>>> InvokeMethodAsync(Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
+    public ValueTask<Dictionary<string, Dictionary<string, IOperResult>>> InvokeMethodAsync(Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
     {
-        // 初始化结果字典
-        Dictionary<string, OperResult<object>> results = new Dictionary<string, OperResult<object>>();
+        return InvokeMethodAsync(this, writeInfoLists, cancellationToken);
 
-        // 遍历写入信息列表
-        foreach (var (deviceVariable, jToken) in writeInfoLists)
+        static async PooledValueTask<Dictionary<string, Dictionary<string, IOperResult>>> InvokeMethodAsync(CollectBase @this, Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
         {
-            // 检查是否有写入表达式
-            if (!string.IsNullOrEmpty(deviceVariable.WriteExpressions))
+            // 初始化结果字典
+            Dictionary<string, OperResult<object>> results = new Dictionary<string, OperResult<object>>();
+
+            // 遍历写入信息列表
+            foreach (var (deviceVariable, jToken) in writeInfoLists)
+            {
+                // 检查是否有写入表达式
+                if (!string.IsNullOrEmpty(deviceVariable.WriteExpressions))
+                {
+                    // 提取原始数据
+                    object rawdata = jToken.GetObjectFromJToken();
+                    try
+                    {
+                        // 根据写入表达式转换数据
+                        object data = deviceVariable.WriteExpressions.GetExpressionsResult(rawdata, @this.LogMessage);
+                        // 将转换后的数据重新赋值给写入信息列表
+                        writeInfoLists[deviceVariable] = JTokenUtil.GetJTokenFromObj(data);
+                    }
+                    catch (Exception ex)
+                    {
+                        // 如果转换失败，则记录错误信息
+                        results.Add(deviceVariable.Name, new OperResult<object>(string.Format(AppResource.WriteExpressionsError, deviceVariable.Name, deviceVariable.WriteExpressions, ex.Message), ex));
+                    }
+                }
+            }
+
+            NonBlockingDictionary<string, OperResult<object>> operResults = new();
+
+
+            using var writeLock = await @this.ReadWriteLock.WriterLockAsync(cancellationToken).ConfigureAwait(false);
+            var list = writeInfoLists
+            .Where(a => !results.Any(b => b.Key == a.Key.Name))
+            .ToArray();
+            // 使用并发方式遍历写入信息列表，并进行异步写入操作
+            await list.ParallelForEachAsync(async (writeInfo, cancellationToken) =>
             {
-                // 提取原始数据
-                object rawdata = jToken.GetObjectFromJToken();
                 try
                 {
-                    // 根据写入表达式转换数据
-                    object data = deviceVariable.WriteExpressions.GetExpressionsResult(rawdata, LogMessage);
-                    // 将转换后的数据重新赋值给写入信息列表
-                    writeInfoLists[deviceVariable] = JTokenUtil.GetJTokenFromObj(data);
+                    // 调用协议的写入方法，将写入信息中的数据写入到对应的寄存器地址，并获取操作结果
+                    var result = await @this.InvokeMethodAsync(writeInfo.Key.VariableMethod, writeInfo.Value?.ToString(), false, cancellationToken).ConfigureAwait(false);
+
+                    // 将操作结果添加到结果字典中，使用变量名称作为键
+                    operResults.TryAdd(writeInfo.Key.Name, result);
                 }
                 catch (Exception ex)
                 {
-                    // 如果转换失败，则记录错误信息
-                    results.Add(deviceVariable.Name, new OperResult<object>(string.Format(AppResource.WriteExpressionsError, deviceVariable.Name, deviceVariable.WriteExpressions, ex.Message), ex));
+                    operResults.TryAdd(writeInfo.Key.Name, new(ex));
                 }
-            }
-        }
+            }, @this.CollectProperties.MaxConcurrentCount, cancellationToken).ConfigureAwait(false);
 
-        NonBlockingDictionary<string, OperResult<object>> operResults = new();
-
-
-        using var writeLock = await ReadWriteLock.WriterLockAsync(cancellationToken).ConfigureAwait(false);
-        var list = writeInfoLists
-        .Where(a => !results.Any(b => b.Key == a.Key.Name))
-        .ToArray();
-        // 使用并发方式遍历写入信息列表，并进行异步写入操作
-        await list.ParallelForEachAsync(async (writeInfo, cancellationToken) =>
-        {
-            try
-            {
-                // 调用协议的写入方法，将写入信息中的数据写入到对应的寄存器地址，并获取操作结果
-                var result = await InvokeMethodAsync(writeInfo.Key.VariableMethod, writeInfo.Value?.ToString(), false, cancellationToken).ConfigureAwait(false);
-
-                // 将操作结果添加到结果字典中，使用变量名称作为键
-                operResults.TryAdd(writeInfo.Key.Name, result);
-            }
-            catch (Exception ex)
-            {
-                operResults.TryAdd(writeInfo.Key.Name, new(ex));
-            }
-        }, CollectProperties.MaxConcurrentCount, cancellationToken).ConfigureAwait(false);
-
-        // 将转换失败的变量和写入成功的变量的操作结果合并到结果字典中
-        return new Dictionary<string, Dictionary<string, IOperResult>>()
+            // 将转换失败的变量和写入成功的变量的操作结果合并到结果字典中
+            return new Dictionary<string, Dictionary<string, IOperResult>>()
         {
             {
-             DeviceName ,
+             @this.DeviceName ,
              results.Concat(operResults).ToDictionary(a => a.Key, a => (IOperResult)a.Value)
             }
         };
+        }
     }
 
     /// <summary>
@@ -644,58 +856,63 @@ public abstract partial class CollectBase : DriverBase
     /// <param name="writeInfoLists">要写入的变量及其对应的数据</param>
     /// <param name="cancellationToken">取消操作的通知</param>
     /// <returns>写入操作的结果字典</returns>
-    public async ValueTask<Dictionary<string, Dictionary<string, IOperResult>>> InVokeWriteAsync(Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
+    public ValueTask<Dictionary<string, Dictionary<string, IOperResult>>> InVokeWriteAsync(Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
     {
-        // 初始化结果字典
-        Dictionary<string, OperResult> results = new Dictionary<string, OperResult>();
+        return InVokeWriteAsync(this, writeInfoLists, cancellationToken);
 
-        // 遍历写入信息列表
-        foreach (var (deviceVariable, jToken) in writeInfoLists)
+        static async PooledValueTask<Dictionary<string, Dictionary<string, IOperResult>>> InVokeWriteAsync(CollectBase @this, Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
         {
-            // 检查是否有写入表达式
-            if (!string.IsNullOrEmpty(deviceVariable.WriteExpressions))
+            // 初始化结果字典
+            Dictionary<string, OperResult> results = new Dictionary<string, OperResult>();
+
+            // 遍历写入信息列表
+            foreach (var (deviceVariable, jToken) in writeInfoLists)
             {
-                // 提取原始数据
-                object rawdata = jToken.GetObjectFromJToken();
-                try
+                // 检查是否有写入表达式
+                if (!string.IsNullOrEmpty(deviceVariable.WriteExpressions))
                 {
-                    // 根据写入表达式转换数据
-                    object data = deviceVariable.WriteExpressions.GetExpressionsResult(rawdata, LogMessage);
-                    // 将转换后的数据重新赋值给写入信息列表
-                    writeInfoLists[deviceVariable] = JTokenUtil.GetJTokenFromObj(data);
-                }
-                catch (Exception ex)
-                {
-                    // 如果转换失败，则记录错误信息
-                    results.Add(deviceVariable.Name, new OperResult(string.Format(AppResource.WriteExpressionsError, deviceVariable.Name, deviceVariable.WriteExpressions, ex.Message), ex));
+                    // 提取原始数据
+                    object rawdata = jToken.GetObjectFromJToken();
+                    try
+                    {
+                        // 根据写入表达式转换数据
+                        object data = deviceVariable.WriteExpressions.GetExpressionsResult(rawdata, @this.LogMessage);
+                        // 将转换后的数据重新赋值给写入信息列表
+                        writeInfoLists[deviceVariable] = JTokenUtil.GetJTokenFromObj(data);
+                    }
+                    catch (Exception ex)
+                    {
+                        // 如果转换失败，则记录错误信息
+                        results.Add(deviceVariable.Name, new OperResult(string.Format(AppResource.WriteExpressionsError, deviceVariable.Name, deviceVariable.WriteExpressions, ex.Message), ex));
+                    }
                 }
             }
-        }
 
-        var writePList = writeInfoLists.Where(a => !CurrentDevice.VariableScriptReads.Select(a => a.VariableRuntime).Any(b => a.Key.Name == b.Name));
-        var writeSList = writeInfoLists.Where(a => CurrentDevice.VariableScriptReads.Select(a => a.VariableRuntime).Any(b => a.Key.Name == b.Name));
+            var writePList = writeInfoLists.Where(a => !@this.CurrentDevice.VariableScriptReads.Select(a => a.VariableRuntime).Any(b => a.Key.Name == b.Name));
+            var writeSList = writeInfoLists.Where(a => @this.CurrentDevice.VariableScriptReads.Select(a => a.VariableRuntime).Any(b => a.Key.Name == b.Name));
 
-        DateTime now = DateTime.Now;
-        foreach (var item in writeSList)
-        {
-            results.TryAdd(item.Key.Name, item.Key.SetValue(item.Value, now));
-        }
+            DateTime now = DateTime.Now;
+            foreach (var item in writeSList)
+            {
+                results.TryAdd(item.Key.Name, item.Key.SetValue(item.Value, now));
+            }
 
-        // 过滤掉转换失败的变量，只保留写入成功的变量进行写入操作
-        var results1 = await WriteValuesAsync(writePList
-            .Where(a => !results.Any(b => b.Key == a.Key.Name))
-            .ToDictionary(item => item.Key, item => item.Value),
-            cancellationToken).ConfigureAwait(false);
+            // 过滤掉转换失败的变量，只保留写入成功的变量进行写入操作
+            var results1 = await @this.WriteValuesAsync(writePList
+                .Where(a => !results.Any(b => b.Key == a.Key.Name))
+                .ToDictionary(item => item.Key, item => item.Value),
+                cancellationToken).ConfigureAwait(false);
 
-        // 将转换失败的变量和写入成功的变量的操作结果合并到结果字典中
+            // 将转换失败的变量和写入成功的变量的操作结果合并到结果字典中
 
-        return new Dictionary<string, Dictionary<string, IOperResult>>()
+            return new Dictionary<string, Dictionary<string, IOperResult>>()
         {
             {
-                DeviceName ,
+               @this. DeviceName ,
                 results.Concat(results1).ToDictionary(a => a.Key, a => (IOperResult)a.Value)
             }
         };
+        }
     }
 
     /// <summary>
@@ -706,56 +923,61 @@ public abstract partial class CollectBase : DriverBase
     /// <param name="isRead">指示是否为读取操作</param>
     /// <param name="cancellationToken">取消操作的通知</param>
     /// <returns>操作结果，包含执行方法的结果</returns>
-    protected virtual async ValueTask<OperResult<object>> InvokeMethodAsync(VariableMethod variableMethod, string? value = null, bool isRead = true, CancellationToken cancellationToken = default)
+    protected virtual ValueTask<OperResult<object>> InvokeMethodAsync(VariableMethod variableMethod, string? value = null, bool isRead = true, CancellationToken cancellationToken = default)
     {
-        try
+        return InvokeMethodAsync(this, variableMethod, value, isRead, cancellationToken);
+
+        static async PooledValueTask<OperResult<object>> InvokeMethodAsync(CollectBase @this, VariableMethod variableMethod, string? value, bool isRead, CancellationToken cancellationToken)
         {
-            // 初始化操作结果
-            OperResult<object> result = new OperResult<object>();
-
-            // 获取要执行的方法
-            var method = variableMethod.MethodInfo;
-
-            // 如果方法未找到，则返回错误结果
-            if (method == null)
+            try
             {
-                result.OperCode = 999;
-                result.ErrorMessage = string.Format(AppResource.MethodNotNull, variableMethod.Variable.Name, variableMethod.Variable.OtherMethod);
-                return result;
-            }
-            else
-            {
-                // 调用方法并获取结果
-                var data = await variableMethod.InvokeMethodAsync(this, value, cancellationToken).ConfigureAwait(false);
+                // 初始化操作结果
+                OperResult<object> result = new OperResult<object>();
 
-                result = data.GetOperResult();
+                // 获取要执行的方法
+                var method = variableMethod.MethodInfo;
 
-                // 如果方法有返回值，并且是读取操作
-                if (method.HasReturn && isRead)
+                // 如果方法未找到，则返回错误结果
+                if (method == null)
                 {
-                    var time = DateTime.Now;
-                    if (result.IsSuccess == true)
-                    {
-                        // 将结果序列化并设置到变量中
-                        var variableResult = variableMethod.Variable.SetValue(result.Content, time);
-                        if (!variableResult.IsSuccess)
-                            variableMethod.LastErrorMessage = result.ErrorMessage;
-                    }
-                    else
-                    {
-                        // 如果读取操作失败，则将变量标记为离线
-                        var variableResult = variableMethod.Variable.SetValue(null, time, isOnline: false);
-                        if (!variableResult.IsSuccess)
-                            variableMethod.LastErrorMessage = result.ErrorMessage;
-                    }
+                    result.OperCode = 999;
+                    result.ErrorMessage = string.Format(AppResource.MethodNotNull, variableMethod.Variable.Name, variableMethod.Variable.OtherMethod);
+                    return result;
+                }
+                else
+                {
+                    // 调用方法并获取结果
+                    var data = await variableMethod.InvokeMethodAsync(@this, value, cancellationToken).ConfigureAwait(false);
+
+                    result = data.GetOperResult();
+
+                    // 如果方法有返回值，并且是读取操作
+                    if (method.HasReturn && isRead)
+                    {
+                        var time = DateTime.Now;
+                        if (result.IsSuccess == true)
+                        {
+                            // 将结果序列化并设置到变量中
+                            var variableResult = variableMethod.Variable.SetValue(result.Content, time);
+                            if (!variableResult.IsSuccess)
+                                variableMethod.LastErrorMessage = result.ErrorMessage;
+                        }
+                        else
+                        {
+                            // 如果读取操作失败，则将变量标记为离线
+                            var variableResult = variableMethod.Variable.SetValue(null, time, isOnline: false);
+                            if (!variableResult.IsSuccess)
+                                variableMethod.LastErrorMessage = result.ErrorMessage;
+                        }
+                    }
+                    return result;
                 }
-                return result;
             }
-        }
-        catch (Exception ex)
-        {
-            // 捕获异常并返回错误结果
-            return new OperResult<object>(ex);
+            catch (Exception ex)
+            {
+                // 捕获异常并返回错误结果
+                return new OperResult<object>(ex);
+            }
         }
     }
 

src/Gateway/ThingsGateway.Gateway.Application/Driver/Collect/CollectFoundationBase.cs

@@ -12,6 +12,8 @@ using Microsoft.Extensions.Logging;
 
 using Newtonsoft.Json.Linq;
 
+using PooledAwait;
+
 using System.Collections.Concurrent;
 
 using ThingsGateway.Common.Extension;
@@ -79,158 +81,284 @@ public abstract class CollectFoundationBase : CollectBase
     }
 
 
-    protected override async Task TestOnline(object? state, CancellationToken cancellationToken)
+    protected override ValueTask TestOnline(object? state, CancellationToken cancellationToken)
     {
-        if (FoundationDevice != null)
+        return TestOnline(this, cancellationToken);
+
+
+        static async PooledValueTask TestOnline(CollectFoundationBase @this, CancellationToken cancellationToken)
         {
-            if (!FoundationDevice.OnLine)
+            if (@this.FoundationDevice != null)
             {
-                if (!FoundationDevice.DisposedValue || FoundationDevice.Channel?.DisposedValue != false) return;
-                Exception exception = null;
-                try
+                if (!@this.FoundationDevice.OnLine)
                 {
-                    if (!cancellationToken.IsCancellationRequested)
+                    if (!@this.FoundationDevice.DisposedValue || @this.FoundationDevice.Channel?.DisposedValue != false) return;
+                    Exception exception = null;
+                    try
                     {
-                        if (!FoundationDevice.DisposedValue || FoundationDevice.Channel?.DisposedValue != false) return;
-
-                        await FoundationDevice.ConnectAsync(cancellationToken).ConfigureAwait(false);
-
-                        if (CurrentDevice.DeviceStatusChangeTime < TimerX.Now.AddMinutes(-1))
+                        if (!cancellationToken.IsCancellationRequested)
                         {
-                            await Task.Delay(30000, cancellationToken).ConfigureAwait(false);
+                            if (!@this.FoundationDevice.DisposedValue || @this.FoundationDevice.Channel?.DisposedValue != false) return;
+
+                            await @this.FoundationDevice.ConnectAsync(cancellationToken).ConfigureAwait(false);
+
+                            if (@this.CurrentDevice.DeviceStatusChangeTime < TimerX.Now.AddMinutes(-1))
+                            {
+                                await Task.Delay(30000, cancellationToken).ConfigureAwait(false);
+                            }
                         }
                     }
+                    catch (OperationCanceledException)
+                    {
+                    }
+                    catch (Exception ex)
+                    {
+                        exception = ex;
+                    }
+                    if (cancellationToken.IsCancellationRequested)
+                    {
+                        return;
+                    }
+                    if (@this.FoundationDevice.OnLine == false && exception != null)
+                    {
+                        foreach (var item in @this.CurrentDevice.VariableSourceReads)
+                        {
+                            if (item.LastErrorMessage != exception.Message)
+                            {
+                                if (!cancellationToken.IsCancellationRequested)
+                                    @this.LogMessage?.LogWarning(exception, string.Format(AppResource.CollectFail, @this.DeviceName, item?.RegisterAddress, item?.Length, exception.Message));
+                            }
+                            item.LastErrorMessage = exception.Message;
+                            @this.CurrentDevice.SetDeviceStatus(TimerX.Now, null, exception.Message);
+                            var time = DateTime.Now;
+                            item.VariableRuntimes.ForEach(a => a.SetValue(null, time, isOnline: false));
+                        }
+                        foreach (var item in @this.CurrentDevice.ReadVariableMethods)
+                        {
+                            if (item.LastErrorMessage != exception.Message)
+                            {
+                                if (!cancellationToken.IsCancellationRequested)
+                                    @this.LogMessage?.LogWarning(exception, string.Format(AppResource.MethodFail, @this.DeviceName, item.MethodInfo.Name, exception.Message));
+                            }
+                            item.LastErrorMessage = exception.Message;
+                            @this.CurrentDevice.SetDeviceStatus(TimerX.Now, null, exception.Message);
+                            var time = DateTime.Now;
+                            item.Variable.SetValue(null, time, isOnline: false);
+                        }
+
+                    }
                 }
-                catch (OperationCanceledException)
-                {
-                }
-                catch (Exception ex)
-                {
-                    exception = ex;
-                }
+            }
+
+        }
+
+    }
+
+
+
+    protected override ValueTask<OperResult<ReadOnlyMemory<byte>>> ReadSourceAsync(VariableSourceRead variableSourceRead, CancellationToken cancellationToken)
+    {
+        return ReadSourceAsync(this, variableSourceRead, cancellationToken);
+
+
+        static async PooledValueTask<OperResult<ReadOnlyMemory<byte>>> ReadSourceAsync(CollectFoundationBase @this, VariableSourceRead variableSourceRead, CancellationToken cancellationToken)
+        {
+            try
+            {
+
                 if (cancellationToken.IsCancellationRequested)
-                {
-                    return;
-                }
-                if (FoundationDevice.OnLine == false && exception != null)
-                {
-                    foreach (var item in CurrentDevice.VariableSourceReads)
-                    {
-                        if (item.LastErrorMessage != exception.Message)
-                        {
-                            if (!cancellationToken.IsCancellationRequested)
-                                LogMessage?.LogWarning(exception, string.Format(AppResource.CollectFail, DeviceName, item?.RegisterAddress, item?.Length, exception.Message));
-                        }
-                        item.LastErrorMessage = exception.Message;
-                        CurrentDevice.SetDeviceStatus(TimerX.Now, null, exception.Message);
-                        var time = DateTime.Now;
-                        item.VariableRuntimes.ForEach(a => a.SetValue(null, time, isOnline: false));
-                    }
-                    foreach (var item in CurrentDevice.ReadVariableMethods)
-                    {
-                        if (item.LastErrorMessage != exception.Message)
-                        {
-                            if (!cancellationToken.IsCancellationRequested)
-                                LogMessage?.LogWarning(exception, string.Format(AppResource.MethodFail, DeviceName, item.MethodInfo.Name, exception.Message));
-                        }
-                        item.LastErrorMessage = exception.Message;
-                        CurrentDevice.SetDeviceStatus(TimerX.Now, null, exception.Message);
-                        var time = DateTime.Now;
-                        item.Variable.SetValue(null, time, isOnline: false);
-                    }
+                    return new(new OperationCanceledException());
 
-                    return;
+                // 从协议读取数据
+                OperResult<ReadOnlyMemory<byte>> read = default;
+                var readTask = @this.FoundationDevice.ReadAsync(variableSourceRead.AddressObject, cancellationToken);
+                if (!readTask.IsCompleted)
+                {
+                    read = await readTask.ConfigureAwait(false);
                 }
+                else
+                {
+                    read = readTask.Result;
+                }
+
+                // 如果读取成功且有有效内容，则解析结构化内容
+                if (read.IsSuccess)
+                {
+                    var prase = variableSourceRead.VariableRuntimes.PraseStructContent(@this.FoundationDevice, read.Content.Span, false);
+                    return new OperResult<ReadOnlyMemory<byte>>(prase);
+                }
+
+                // 返回读取结果
+                return read;
+            }
+            catch (Exception ex)
+            {
+                // 捕获异常并返回失败结果
+                return new OperResult<ReadOnlyMemory<byte>>(ex);
             }
         }
 
-        return;
     }
 
-    /// <summary>
-    /// 采集驱动读取，读取成功后直接赋值变量，失败不做处理，注意非通用设备需重写
-    /// </summary>
-    protected override async ValueTask<OperResult<ReadOnlyMemory<byte>>> ReadSourceAsync(VariableSourceRead variableSourceRead, CancellationToken cancellationToken)
-    {
-        try
-        {
+    ///// <summary>
+    ///// 采集驱动读取，读取成功后直接赋值变量，失败不做处理，注意非通用设备需重写
+    ///// </summary>
+    //    protected override ValueTask<OperResult<ReadOnlyMemory<byte>>> ReadSourceAsync(VariableSourceRead variableSourceRead, CancellationToken cancellationToken)
+    //    {
+    //        if (cancellationToken.IsCancellationRequested)
+    //            return new ValueTask<OperResult<ReadOnlyMemory<byte>>>( new OperResult<ReadOnlyMemory<byte>>(new OperationCanceledException()));
 
-            if (cancellationToken.IsCancellationRequested)
-                return new(new OperationCanceledException());
+    //        // 值类型状态机
+    //        var stateMachine = new ReadSourceStateMachine(this, variableSourceRead, cancellationToken);
+    //        return stateMachine.MoveNextAsync();
+    //    }
 
-            // 从协议读取数据
-            OperResult<ReadOnlyMemory<byte>> read = default;
-            var readTask = FoundationDevice.ReadAsync(variableSourceRead.AddressObject, cancellationToken);
-            if (!readTask.IsCompleted)
-            {
-                read = await readTask.ConfigureAwait(false);
-            }
-            else
-            {
-                read = readTask.Result;
-            }
+    //    private struct ReadSourceStateMachine
+    //    {
+    //        private readonly VariableSourceRead _variableSourceRead;
+    //        private readonly CancellationToken _cancellationToken;
+    //        private readonly CollectFoundationBase _owner;
+    //        private OperResult<ReadOnlyMemory<byte>> _result;
+    //        private ValueTask<OperResult<ReadOnlyMemory<byte>>> _readTask;
 
-            // 如果读取成功且有有效内容，则解析结构化内容
-            if (read.IsSuccess)
-            {
-                var prase = variableSourceRead.VariableRuntimes.PraseStructContent(FoundationDevice, read.Content.Span, false);
-                return new OperResult<ReadOnlyMemory<byte>>(prase);
-            }
+    //        public ReadSourceStateMachine(CollectFoundationBase owner, VariableSourceRead variableSourceRead, CancellationToken cancellationToken)
+    //        {
+    //            _owner = owner;
+    //            _variableSourceRead = variableSourceRead;
+    //            _cancellationToken = cancellationToken;
+    //            _result = default;
+    //            State = 0;
+    //        }
 
-            // 返回读取结果
-            return read;
-        }
-        catch (Exception ex)
-        {
-            // 捕获异常并返回失败结果
-            return new OperResult<ReadOnlyMemory<byte>>(ex);
-        }
-    }
+    //        public int State { get; private set; }
+
+    //        public ValueTask<OperResult<ReadOnlyMemory<byte>>> MoveNextAsync()
+    //        {
+    //            try
+    //            {
+    //                switch (State)
+    //                {
+    //                    case 0:
+    //                        // 异步读取
+    //                        if (_cancellationToken.IsCancellationRequested)
+    //                        {
+    //                            _result = new OperResult<ReadOnlyMemory<byte>>(new OperationCanceledException());
+    //                            return new ValueTask<OperResult<ReadOnlyMemory<byte>>>(_result);
+    //                        }
+
+    //#pragma warning disable CA2012 // 正确使用 ValueTask
+    //                        _readTask = _owner.FoundationDevice.ReadAsync(_variableSourceRead.AddressObject, _cancellationToken);
+    //#pragma warning restore CA2012 // 正确使用 ValueTask
+
+    //                        // 检查是否任务已完成
+    //                        if (_readTask.IsCompleted)
+    //                        {
+    //                            _result = _readTask.Result;
+    //                            State = 1;
+    //                            return MoveNextAsync();
+    //                        }
+
+    //                        // 如果任务尚未完成，继续等待
+    //                        State = 2;
+    //                        return Awaited(_readTask);
+
+    //                    case 1:
+    //                        // 解析结构化内容
+    //                        if (_result.IsSuccess)
+    //                        {
+    //                            var parsedResult = _variableSourceRead.VariableRuntimes.PraseStructContent(_owner.FoundationDevice, _result.Content.Span, false);
+    //                            return new ValueTask<OperResult<ReadOnlyMemory<byte>>>(new OperResult<ReadOnlyMemory<byte>>(parsedResult));
+    //                        }
+
+    //                        return new ValueTask<OperResult<ReadOnlyMemory<byte>>>(_result);
+
+    //                    case 2:
+    //                        // 完成任务后，解析内容
+    //                        _result = _readTask.Result;
+
+    //                        if (_result.IsSuccess)
+    //                        {
+    //                            var parsedResult = _variableSourceRead.VariableRuntimes.PraseStructContent(_owner.FoundationDevice, _result.Content.Span, false);
+    //                            return new ValueTask<OperResult<ReadOnlyMemory<byte>>>(new OperResult<ReadOnlyMemory<byte>>(parsedResult));
+    //                        }
+
+    //                        return new ValueTask<OperResult<ReadOnlyMemory<byte>>>(_result);
+
+    //                    default:
+    //                        throw new InvalidOperationException("Unexpected state.");
+    //                }
+    //            }
+    //            catch (Exception ex)
+    //            {
+    //                return new ValueTask<OperResult<ReadOnlyMemory<byte>>>(new OperResult<ReadOnlyMemory<byte>>(ex));
+    //            }
+    //        }
+
+    //        private async ValueTask<OperResult<ReadOnlyMemory<byte>>> Awaited(ValueTask<OperResult<ReadOnlyMemory<byte>>> vt)
+    //        {
+    //            try
+    //            {
+
+
+    //                await vt.ConfigureAwait(false);
+    //                return await MoveNextAsync().ConfigureAwait(false);
+    //            }
+    //            catch (Exception ex)
+    //            {
+    //                return new OperResult<ReadOnlyMemory<byte>>(ex);
+    //            }
+    //        }
+    //    }
 
     /// <summary>
     /// 批量写入变量值,需返回变量名称/结果，注意非通用设备需重写
     /// </summary>
     /// <returns></returns>
-    protected override async ValueTask<Dictionary<string, OperResult>> WriteValuesAsync(Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
+    protected override ValueTask<Dictionary<string, OperResult>> WriteValuesAsync(Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
     {
-        using var writeLock = await ReadWriteLock.WriterLockAsync(cancellationToken).ConfigureAwait(false);
-        // 检查协议是否为空，如果为空则抛出异常
-        if (FoundationDevice == null)
-            throw new NotSupportedException();
+        return WriteValuesAsync(this, writeInfoLists, cancellationToken);
 
-        // 创建用于存储操作结果的并发字典
-        NonBlockingDictionary<string, OperResult> operResults = new();
-        // 使用并发方式遍历写入信息列表，并进行异步写入操作
-        await writeInfoLists.ParallelForEachAsync(async (writeInfo, cancellationToken) =>
+        static async PooledValueTask<Dictionary<string, OperResult>> WriteValuesAsync(CollectFoundationBase @this, Dictionary<VariableRuntime, JToken> writeInfoLists, CancellationToken cancellationToken)
         {
-            try
+            using var writeLock = await @this.ReadWriteLock.WriterLockAsync(cancellationToken).ConfigureAwait(false);
+            // 检查协议是否为空，如果为空则抛出异常
+            if (@this.FoundationDevice == null)
+                throw new NotSupportedException();
+
+            // 创建用于存储操作结果的并发字典
+            NonBlockingDictionary<string, OperResult> operResults = new();
+            // 使用并发方式遍历写入信息列表，并进行异步写入操作
+            await writeInfoLists.ParallelForEachAsync(async (writeInfo, cancellationToken) =>
             {
-
-                // 调用协议的写入方法，将写入信息中的数据写入到对应的寄存器地址，并获取操作结果
-                var result = await FoundationDevice.WriteJTokenAsync(writeInfo.Key.RegisterAddress, writeInfo.Value, writeInfo.Key.DataType, cancellationToken).ConfigureAwait(false);
-
-                if (result.IsSuccess)
+                try
                 {
-                    if (LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Debug)
-                        LogMessage?.Debug(string.Format("{0} - Write [{1} - {2} - {3}] data succeeded", DeviceName, writeInfo.Key.RegisterAddress, writeInfo.Value, writeInfo.Key.DataType));
+
+                    // 调用协议的写入方法，将写入信息中的数据写入到对应的寄存器地址，并获取操作结果
+                    var result = await @this.FoundationDevice.WriteJTokenAsync(writeInfo.Key.RegisterAddress, writeInfo.Value, writeInfo.Key.DataType, cancellationToken).ConfigureAwait(false);
+
+                    if (result.IsSuccess)
+                    {
+                        if (@this.LogMessage?.LogLevel <= TouchSocket.Core.LogLevel.Debug)
+                            @this.LogMessage?.Debug(string.Format("{0} - Write [{1} - {2} - {3}] data succeeded", @this.DeviceName, writeInfo.Key.RegisterAddress, writeInfo.Value, writeInfo.Key.DataType));
+                    }
+                    else
+                    {
+                        @this.LogMessage?.Warning(string.Format("{0} - Write [{1} - {2} - {3}] data failed {4}", @this.DeviceName, writeInfo.Key.RegisterAddress, writeInfo.Value, writeInfo.Key.DataType, result.ToString()));
+                    }
+                    // 将操作结果添加到结果字典中，使用变量名称作为键
+                    operResults.TryAdd(writeInfo.Key.Name, result);
                 }
-                else
+                catch (Exception ex)
                 {
-                    LogMessage?.Warning(string.Format("{0} - Write [{1} - {2} - {3}] data failed {4}", DeviceName, writeInfo.Key.RegisterAddress, writeInfo.Value, writeInfo.Key.DataType, result.ToString()));
+                    operResults.TryAdd(writeInfo.Key.Name, new(ex));
                 }
-                // 将操作结果添加到结果字典中，使用变量名称作为键
-                operResults.TryAdd(writeInfo.Key.Name, result);
-            }
-            catch (Exception ex)
-            {
-                operResults.TryAdd(writeInfo.Key.Name, new(ex));
-            }
-        }, CollectProperties.MaxConcurrentCount, cancellationToken).ConfigureAwait(false);
+            }, @this.CollectProperties.MaxConcurrentCount, cancellationToken).ConfigureAwait(false);
 
-        await Check(writeInfoLists, operResults, cancellationToken).ConfigureAwait(false);
+            await @this.Check(writeInfoLists, operResults, cancellationToken).ConfigureAwait(false);
 
-        // 返回包含操作结果的字典
-        return new Dictionary<string, OperResult>(operResults);
+            // 返回包含操作结果的字典
+            return new Dictionary<string, OperResult>(operResults);
+        }
     }
 
 

src/Gateway/ThingsGateway.Gateway.Application/Entity/Variable.cs

@@ -28,7 +28,7 @@ namespace ThingsGateway.Gateway.Application;
 [SugarIndex("index_device", nameof(Variable.DeviceId), OrderByType.Asc)]
 [SugarIndex("unique_deviceid_variable_name", nameof(Variable.Name), OrderByType.Asc, nameof(Variable.DeviceId), OrderByType.Asc, true)]
 #endif
-public class Variable : BaseDataEntity, IValidatableObject
+public class Variable : PrimaryKeyEntity, IValidatableObject
 {
     /// <summary>
     /// 主键Id

src/Gateway/ThingsGateway.Gateway.Application/GlobalData/GlobalData.cs

@@ -10,9 +10,12 @@
 
 using BootstrapBlazor.Components;
 
+using PooledAwait;
+
 using System.Collections.Concurrent;
 
 using ThingsGateway.Extension.Generic;
+using ThingsGateway.NewLife.DictionaryExtensions;
 
 namespace ThingsGateway.Gateway.Application;
 
@@ -89,38 +92,110 @@ public static class GlobalData
 
     public static event PluginEventHandler? PluginEventHandler;
 
-    public static async Task<IEnumerable<ChannelRuntime>> GetCurrentUserChannels()
+    public static Task<IEnumerable<ChannelRuntime>> GetCurrentUserChannels()
     {
-        var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
-        return ReadOnlyIdChannels.WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
-          .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        return GetCurrentUserChannels();
+
+        static async PooledTask<IEnumerable<ChannelRuntime>> GetCurrentUserChannels()
+        {
+            var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
+            return ReadOnlyIdChannels.WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
+              .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        }
     }
-    public static async Task<IEnumerable<DeviceRuntime>> GetCurrentUserDevices()
+    public static Task<IEnumerable<DeviceRuntime>> GetCurrentUserDevices()
     {
-        var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
-        return ReadOnlyIdDevices.WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
-          .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        return GetCurrentUserDevices();
+
+        static async PooledTask<IEnumerable<DeviceRuntime>> GetCurrentUserDevices()
+        {
+            var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
+            return IdDevices.WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
+              .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        }
+    }
+    public static IEnumerable<long> GetCurrentUserDeviceIds(HashSet<long> dataScope)
+    {
+        return IdDevices.WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
+          .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Key);
+    }
+    public static Task<IEnumerable<VariableRuntime>> GetCurrentUserIdVariables()
+    {
+        return GetCurrentUserIdVariables();
+
+        static async PooledTask<IEnumerable<VariableRuntime>> GetCurrentUserIdVariables()
+        {
+            var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
+
+            return IdVariables.Where(a => a.Value.IsInternalMemoryVariable == false)
+                .WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.DeviceRuntime.CreateOrgId))//在指定机构列表查询
+              .WhereIf(dataScope?.Count == 0, u => u.Value.DeviceRuntime.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        }
     }
 
-    public static async Task<IEnumerable<VariableRuntime>> GetCurrentUserIdVariables()
+    public static async Task CheckByDeviceNames(IEnumerable<string> deviceNames)
     {
-        var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
-        return IdVariables.Where(a => a.Value.IsInternalMemoryVariable == false).WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
-          .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        List<long> orgids = new();
+        List<long> userIds = new();
+        foreach (var deviceData in GlobalData.Devices.FilterByKeys(deviceNames))
+        {
+            orgids.Add(deviceData.Value.CreateOrgId);
+            userIds.Add(deviceData.Value.CreateUserId);
+        }
+        await GlobalData.SysUserService.CheckApiDataScopeAsync(orgids, userIds).ConfigureAwait(false);
+    }
+    public static async Task CheckByDeviceIds(IEnumerable<long> deviceIds)
+    {
+        List<long> orgids = new();
+        List<long> userIds = new();
+        foreach (var deviceData in GlobalData.IdDevices.FilterByKeys(deviceIds))
+        {
+            orgids.Add(deviceData.Value.CreateOrgId);
+            userIds.Add(deviceData.Value.CreateUserId);
+        }
+        await GlobalData.SysUserService.CheckApiDataScopeAsync(orgids, userIds).ConfigureAwait(false);
+    }
+    public static async Task CheckByVariableIds(IEnumerable<long> variableIds)
+    {
+        List<long> orgids = new();
+        List<long> userIds = new();
+        foreach (var deviceData in GlobalData.IdVariables.FilterByKeys(variableIds))
+        {
+            orgids.Add(deviceData.Value.DeviceRuntime.CreateOrgId);
+            userIds.Add(deviceData.Value.DeviceRuntime.CreateUserId);
+        }
+        await GlobalData.SysUserService.CheckApiDataScopeAsync(orgids, userIds).ConfigureAwait(false);
+    }
+    public static async Task CheckByVariableId(long variableId)
+    {
+        if (GlobalData.IdVariables.TryGetValue(variableId, out var variable))
+        {
+            await GlobalData.SysUserService.CheckApiDataScopeAsync(variable.DeviceRuntime.CreateOrgId, variable.DeviceRuntime.CreateUserId).ConfigureAwait(false);
+        }
+    }
+    public static Task<IEnumerable<AlarmVariable>> GetCurrentUserRealAlarmVariablesAsync()
+    {
+        return GetCurrentUserRealAlarmVariablesAsync();
+
+        static async PooledTask<IEnumerable<AlarmVariable>> GetCurrentUserRealAlarmVariablesAsync()
+        {
+            var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
+            return RealAlarmIdVariables
+                .WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
+              .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        }
     }
 
-    public static async Task<IEnumerable<AlarmVariable>> GetCurrentUserRealAlarmVariablesAsync()
+    public static Task<IEnumerable<VariableRuntime>> GetCurrentUserAlarmEnableVariables()
     {
-        var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
-        return RealAlarmIdVariables.WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
-          .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
-    }
+        return GetCurrentUserAlarmEnableVariables();
 
-    public static async Task<IEnumerable<VariableRuntime>> GetCurrentUserAlarmEnableVariables()
-    {
-        var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
-        return AlarmEnableIdVariables.Where(a => a.Value.IsInternalMemoryVariable == false).WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.CreateOrgId))//在指定机构列表查询
-          .WhereIf(dataScope?.Count == 0, u => u.Value.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        static async PooledTask<IEnumerable<VariableRuntime>> GetCurrentUserAlarmEnableVariables()
+        {
+            var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
+            return AlarmEnableIdVariables.Where(a => a.Value.IsInternalMemoryVariable == false).WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.Value.DeviceRuntime.CreateOrgId))//在指定机构列表查询
+              .WhereIf(dataScope?.Count == 0, u => u.Value.DeviceRuntime.CreateUserId == UserManager.UserId).Select(a => a.Value);
+        }
     }
 
     public static bool ContainsVariable(long businessDeviceId, VariableRuntime a)

src/Gateway/ThingsGateway.Gateway.Application/Mapper/GatewayMapper.cs

@@ -26,6 +26,8 @@ public static partial class GatewayMapper
     [MapProperty($"{nameof(VariableRuntime.AlarmRuntimePropertys)}.{nameof(AlarmRuntimePropertys.EventTime)}", nameof(AlarmVariable.EventTime))]
     [MapProperty($"{nameof(VariableRuntime.AlarmRuntimePropertys)}.{nameof(AlarmRuntimePropertys.AlarmType)}", nameof(AlarmVariable.AlarmType))]
     [MapProperty($"{nameof(VariableRuntime.AlarmRuntimePropertys)}.{nameof(AlarmRuntimePropertys.EventType)}", nameof(AlarmVariable.EventType))]
+    [MapProperty($"{nameof(VariableRuntime.DeviceRuntime)}.{nameof(DeviceRuntime.CreateOrgId)}", nameof(AlarmVariable.CreateOrgId))]
+    [MapProperty($"{nameof(VariableRuntime.DeviceRuntime)}.{nameof(DeviceRuntime.CreateUserId)}", nameof(AlarmVariable.CreateUserId))]
     public static partial AlarmVariable AdaptAlarmVariable(this VariableRuntime src);
 
     public static partial VariableDataWithValue AdaptVariableDataWithValue(this VariableBasicData src);

src/Gateway/ThingsGateway.Gateway.Application/Model/VariableMethod.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using PooledAwait;
+
 using TouchSocket.Core;
 
 namespace ThingsGateway.Gateway.Application;
@@ -51,42 +53,47 @@ public class VariableMethod
     /// <param name="value">以,逗号分割的参数</param>
     /// <param name="cancellationToken">取消令箭</param>
     /// <returns></returns>
-    public async ValueTask<IOperResult> InvokeMethodAsync(object driverBase, string? value = null, CancellationToken cancellationToken = default)
+    public ValueTask<IOperResult> InvokeMethodAsync(object driverBase, string? value = null, CancellationToken cancellationToken = default)
     {
-        try
+        return InvokeMethodAsync(this, driverBase, value, cancellationToken);
+
+        static async PooledValueTask<IOperResult> InvokeMethodAsync(VariableMethod @this, object driverBase, string? value, CancellationToken cancellationToken)
         {
-            object?[]? os = null;
-            if (value == null && OS == null)
+            try
             {
-                //默认的参数
-                var addresss = Variable.RegisterAddress.SplitOS();
-                //通过逗号分割，并且合并参数
-                var strs = addresss;
+                object?[]? os = null;
+                if (value == null && @this.OS == null)
+                {
+                    //默认的参数
+                    var addresss = @this.Variable.RegisterAddress.SplitOS();
+                    //通过逗号分割，并且合并参数
+                    var strs = addresss;
 
-                OS = GetOS(strs, cancellationToken);
-                os = OS;
+                    @this.OS = @this.GetOS(strs, cancellationToken);
+                    os = @this.OS;
+                }
+                else
+                {
+                    var addresss = @this.Variable.RegisterAddress.SplitOS();
+                    var values = value.SplitOS();
+                    //通过分号分割，并且合并参数
+                    var strs = addresss.Concat(values).ToList();
+                    os = @this.GetOS(strs, cancellationToken);
+                }
+
+                dynamic result;
+
+                result = await @this.MethodInfo.InvokeAsync(driverBase, os).ConfigureAwait(false);
+                if (@this.MethodInfo.HasReturn)
+                {
+                    return result;
+                }
+                return OperResult.Success;
             }
-            else
+            catch (Exception ex)
             {
-                var addresss = Variable.RegisterAddress.SplitOS();
-                var values = value.SplitOS();
-                //通过分号分割，并且合并参数
-                var strs = addresss.Concat(values).ToList();
-                os = GetOS(strs, cancellationToken);
+                return new OperResult(ex);
             }
-
-            dynamic result;
-
-            result = await MethodInfo.InvokeAsync(driverBase, os).ConfigureAwait(false);
-            if (MethodInfo.HasReturn)
-            {
-                return result;
-            }
-            return OperResult.Success;
-        }
-        catch (Exception ex)
-        {
-            return new OperResult(ex);
         }
     }
 

src/Gateway/ThingsGateway.Gateway.Application/Model/VariableRunTime.cs

@@ -12,6 +12,8 @@ using BootstrapBlazor.Components;
 
 using Newtonsoft.Json.Linq;
 
+using PooledAwait;
+
 using Riok.Mapperly.Abstractions;
 
 
@@ -64,11 +66,6 @@ public partial class VariableRuntime : Variable
     [AutoGenerateColumn(Visible = true, Filterable = true, Sortable = true, Order = 5)]
     public DateTime CollectTime { get => collectTime; set => collectTime = value; }
 
-    [SugarColumn(ColumnDescription = "排序码", IsNullable = true)]
-    [AutoGenerateColumn(Visible = false, DefaultSort = false, Sortable = true)]
-    [IgnoreExcel]
-    public override int SortCode { get => sortCode; set => sortCode = value; }
-
     /// <summary>
     /// 上次值
     /// </summary>
@@ -243,7 +240,6 @@ public partial class VariableRuntime : Variable
 
 
     private int index;
-    private int sortCode;
     private DateTime changeTime = DateTime.UnixEpoch.ToLocalTime();
 
     private DateTime collectTime = DateTime.UnixEpoch.ToLocalTime();
@@ -448,13 +444,18 @@ public partial class VariableRuntime : Variable
     }
 
     /// <inheritdoc/>
-    public virtual async ValueTask<IOperResult> RpcAsync(string value, string executive = "brower", CancellationToken cancellationToken = default)
+    public virtual ValueTask<IOperResult> RpcAsync(string value, string executive = "brower", CancellationToken cancellationToken = default)
     {
-        var data = await GlobalData.RpcService.InvokeDeviceMethodAsync(executive, new Dictionary<string, Dictionary<string, string>>()
+        return RpcAsync(DeviceName, Name, value, executive, cancellationToken);
+
+        static async PooledValueTask<IOperResult> RpcAsync(string deviceName, string name, string value, string executive, CancellationToken cancellationToken)
         {
-            { DeviceName, new Dictionary<string, string>()  {   { Name,value} }  }
+            var data = await GlobalData.RpcService.InvokeDeviceMethodAsync(executive, new Dictionary<string, Dictionary<string, string>>()
+        {
+            { deviceName, new Dictionary<string, string>()  {   { name,value} }  }
         }, cancellationToken).ConfigureAwait(false);
-        return data.FirstOrDefault().Value.FirstOrDefault().Value;
+            return data.FirstOrDefault().Value.FirstOrDefault().Value;
+        }
     }
 
     public void SetErrorMessage(string lastErrorMessage)

src/Gateway/ThingsGateway.Gateway.Application/Services/RulesEngine/Services/RulesEngineHostedService.cs

@@ -13,6 +13,8 @@ using BootstrapBlazor.Components;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 
+using PooledAwait;
+
 using ThingsGateway.Blazor.Diagrams.Core;
 using ThingsGateway.Blazor.Diagrams.Core.Models;
 using ThingsGateway.NewLife;
@@ -139,68 +141,76 @@ internal sealed class RulesEngineHostedService : BackgroundService, IRulesEngine
         }
     }
 
-    private static async Task Analysis(NodeModel targetNode, NodeInput input, RulesLog rulesLog, CancellationToken cancellationToken)
+    private static Task Analysis(NodeModel targetNode, NodeInput input, RulesLog rulesLog, CancellationToken cancellationToken)
     {
-        if (targetNode is INode node)
-        {
-            node.Logger = rulesLog.Log;
-            node.RulesEngineName = rulesLog.Rules.Name;
-        }
+        return Analysis(targetNode, input, rulesLog, cancellationToken);
 
-        try
+
+        static async PooledTask Analysis(NodeModel targetNode, NodeInput input, RulesLog rulesLog, CancellationToken cancellationToken)
         {
-            if (targetNode == null)
-                return;
-            if (targetNode is IConditionNode conditionNode)
+            if (targetNode is INode node)
             {
-                var next = await conditionNode.ExecuteAsync(input, cancellationToken).ConfigureAwait(false);
-                if (next)
+                node.Logger = rulesLog.Log;
+                node.RulesEngineName = rulesLog.Rules.Name;
+            }
+
+            try
+            {
+                if (targetNode == null)
+                    return;
+                if (targetNode is IConditionNode conditionNode)
                 {
-                    foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                    var next = await conditionNode.ExecuteAsync(input, cancellationToken).ConfigureAwait(false);
+                    if (next)
                     {
-                        await Analysis((link.Target.Model as PortModel)?.Parent, input, rulesLog, cancellationToken).ConfigureAwait(false);
+                        foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                        {
+                            await RulesEngineHostedService.Analysis((link.Target.Model as PortModel)?.Parent, input, rulesLog, cancellationToken).ConfigureAwait(false);
+                        }
                     }
                 }
-            }
-            else if (targetNode is IExpressionNode expressionNode)
-            {
-                var nodeOutput = await expressionNode.ExecuteAsync(input, cancellationToken).ConfigureAwait(false);
-                if (nodeOutput.IsSuccess)
+                else if (targetNode is IExpressionNode expressionNode)
                 {
-                    foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                    var nodeOutput = await expressionNode.ExecuteAsync(input, cancellationToken).ConfigureAwait(false);
+                    if (nodeOutput.IsSuccess)
                     {
-                        await Analysis((link.Target.Model as PortModel)?.Parent, new NodeInput() { Value = nodeOutput.Content.Value, }, rulesLog, cancellationToken).ConfigureAwait(false);
+                        foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                        {
+                            await RulesEngineHostedService.Analysis((link.Target.Model as PortModel)?.Parent, new NodeInput() { Value = nodeOutput.Content.Value, }, rulesLog, cancellationToken).ConfigureAwait(false);
+                        }
                     }
                 }
-            }
-            else if (targetNode is IActuatorNode actuatorNode)
-            {
-                var nodeOutput = await actuatorNode.ExecuteAsync(input, cancellationToken).ConfigureAwait(false);
-                if (nodeOutput.IsSuccess)
+                else if (targetNode is IActuatorNode actuatorNode)
                 {
-                    foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                    var nodeOutput = await actuatorNode.ExecuteAsync(input, cancellationToken).ConfigureAwait(false);
+                    if (nodeOutput.IsSuccess)
                     {
-                        await Analysis((link.Target.Model as PortModel)?.Parent, new NodeInput() { Value = nodeOutput.Content.Value }, rulesLog, cancellationToken).ConfigureAwait(false);
+                        foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                        {
+                            await RulesEngineHostedService.Analysis((link.Target.Model as PortModel)?.Parent, new NodeInput() { Value = nodeOutput.Content.Value }, rulesLog, cancellationToken).ConfigureAwait(false);
+                        }
                     }
                 }
-            }
-            else if (targetNode is ITriggerNode triggerNode)
-            {
-                Func<NodeOutput, CancellationToken, Task> func = (async (a, token) =>
+                else if (targetNode is ITriggerNode triggerNode)
                 {
-                    foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                    Func<NodeOutput, CancellationToken, Task> func = (async (a, token) =>
                     {
-                        await Analysis((link.Target.Model as PortModel)?.Parent, new NodeInput() { Value = a.Value }, rulesLog, token).ConfigureAwait(false);
-                    }
-                });
-                await triggerNode.StartAsync(func, cancellationToken).ConfigureAwait(false);
+                        foreach (var link in targetNode.PortLinks.Where(a => ((a.Target.Model as PortModel)?.Parent) != targetNode))
+                        {
+                            await RulesEngineHostedService.Analysis((link.Target.Model as PortModel)?.Parent, new NodeInput() { Value = a.Value }, rulesLog, token).ConfigureAwait(false);
+                        }
+                    });
+                    await triggerNode.StartAsync(func, cancellationToken).ConfigureAwait(false);
+                }
             }
-        }
-        catch (TaskCanceledException) { }
-        catch (OperationCanceledException) { }
-        catch (Exception ex)
-        {
-            rulesLog.Log?.LogWarning(ex);
+            catch (TaskCanceledException) { }
+            catch (OperationCanceledException) { }
+            catch (Exception ex)
+            {
+                rulesLog.Log?.LogWarning(ex);
+            }
+
+            return;
         }
     }
 

src/Gateway/ThingsGateway.Gateway.Application/Services/Variable/VariableService.cs

@@ -22,7 +22,6 @@ using System.Text;
 
 using ThingsGateway.Common.Extension;
 using ThingsGateway.Common.Extension.Generic;
-using ThingsGateway.Extension.Generic;
 using ThingsGateway.Foundation.Extension.Dynamic;
 
 using TouchSocket.Core;
@@ -107,8 +106,6 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
                 variable.DataType = DataTypeEnum.Int16;
                 variable.Name = name;
                 variable.Id = id;
-                variable.CreateOrgId = UserManager.OrgId;
-                variable.CreateUserId = UserManager.UserId;
                 variable.DeviceId = device.Id;
                 variable.RegisterAddress = address;
                 newVariables.Add(variable);
@@ -334,8 +331,6 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
                 variable.DataType = DataTypeEnum.Int16;
                 variable.Name = name;
                 variable.Id = id;
-                variable.CreateOrgId = UserManager.OrgId;
-                variable.CreateUserId = UserManager.UserId;
                 variable.DeviceId = device.Id;
                 variable.RegisterAddress = address;
                 newVariables.Add(variable);
@@ -428,12 +423,9 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
         differences.Remove(nameof(Variable.VariablePropertys));
         if (differences?.Count > 0)
         {
+            var data = models.ToList();
+            await  GlobalData.CheckByDeviceIds(data.Select(a => a.DeviceId)).ConfigureAwait(false);
             using var db = GetDB();
-            var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
-            var data = models
-                            .WhereIf(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.CreateOrgId))//在指定机构列表查询
-             .WhereIf(dataScope?.Count == 0, u => u.CreateUserId == UserManager.UserId)
-             .ToList();
 
             var result = (await db.Updateable(data).UpdateColumns(differences.Select(a => a.Key).ToArray()).ExecuteCommandAsync().ConfigureAwait(false)) > 0;
 
@@ -448,24 +440,20 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
     [OperDesc("DeleteVariable", isRecordPar: false, localizerType: typeof(Variable))]
     public async Task DeleteByDeviceIdAsync(IEnumerable<long> input, SqlSugarClient db)
     {
-        var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
         var ids = input.ToList();
-        var result = await db.Deleteable<Variable>().Where(a => ids.Contains(a.DeviceId))
-                          .WhereIF(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.CreateOrgId))//在指定机构列表查询
-             .WhereIF(dataScope?.Count == 0, u => u.CreateUserId == UserManager.UserId)
-            .ExecuteCommandAsync().ConfigureAwait(false);
+        await GlobalData.CheckByDeviceIds(ids).ConfigureAwait(false);
 
+        var result = await db.Deleteable<Variable>().Where(a => ids.Contains(a.DeviceId))
+            .ExecuteCommandAsync().ConfigureAwait(false);
     }
 
     [OperDesc("DeleteVariable", isRecordPar: false, localizerType: typeof(Variable))]
     public async Task<bool> DeleteVariableAsync(IEnumerable<long> input)
     {
         using var db = GetDB();
-        var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
         var ids = input?.ToList();
+        await GlobalData.CheckByVariableIds(ids).ConfigureAwait(false);
         var result = (await db.Deleteable<Variable>().WhereIF(input != null, a => ids.Contains(a.Id))
-                          .WhereIF(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.CreateOrgId))//在指定机构列表查询
-             .WhereIF(dataScope?.Count == 0, u => u.CreateUserId == UserManager.UserId)
              .ExecuteCommandAsync().ConfigureAwait(false)) > 0;
 
         return result;
@@ -505,6 +493,11 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
     private async Task<Func<ISugarQueryable<Variable>, ISugarQueryable<Variable>>> GetWhereQueryFunc(GatewayExportFilter exportFilter)
     {
         var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
+        List<long>? filterDeviceIds= null;
+        if(dataScope!=null)
+        {
+            filterDeviceIds= GlobalData.GetCurrentUserDeviceIds(dataScope).ToList();
+        }
         HashSet<long>? deviceId = null;
         if (!exportFilter.PluginName.IsNullOrWhiteSpace())
         {
@@ -520,8 +513,7 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
         .WhereIF(exportFilter.PluginType == PluginTypeEnum.Collect, a => a.DeviceId == exportFilter.DeviceId)
         .WhereIF(deviceId != null, a => deviceId.Contains(a.DeviceId))
 
-        .WhereIF(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.CreateOrgId))//在指定机构列表查询
-        .WhereIF(dataScope?.Count == 0, u => u.CreateUserId == UserManager.UserId)
+        .WhereIF(filterDeviceIds != null , u => filterDeviceIds.Contains(u.DeviceId))//在指定机构列表查询
 
         .WhereIF(exportFilter.PluginType == PluginTypeEnum.Business, u => SqlFunc.JsonLike(u.VariablePropertys, exportFilter.DeviceId.ToString()));
         return whereQuery;
@@ -530,6 +522,13 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
     private async Task<Func<IEnumerable<Variable>, IEnumerable<Variable>>> GetWhereEnumerableFunc(GatewayExportFilter exportFilter, bool sql = false)
     {
         var dataScope = await GlobalData.SysUserService.GetCurrentUserDataScopeAsync().ConfigureAwait(false);
+        List<long>? filterDeviceIds = null;
+        if (dataScope != null)
+        {
+            filterDeviceIds = GlobalData.GetCurrentUserDeviceIds(dataScope).ToList();
+        }
+        
+        
         HashSet<long>? deviceId = null;
         if (!exportFilter.PluginName.IsNullOrWhiteSpace())
         {
@@ -545,8 +544,7 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
         .WhereIF(exportFilter.PluginType == PluginTypeEnum.Collect, a => a.DeviceId == exportFilter.DeviceId)
         .WhereIF(deviceId != null, a => deviceId.Contains(a.DeviceId))
 
-                .WhereIF(dataScope != null && dataScope?.Count > 0, u => dataScope.Contains(u.CreateOrgId))//在指定机构列表查询
-        .WhereIF(dataScope?.Count == 0, u => u.CreateUserId == UserManager.UserId)
+        .WhereIF(filterDeviceIds != null, u => filterDeviceIds.Contains(u.DeviceId))//在指定机构列表查询
 
         .WhereIF(sql && exportFilter.PluginType == PluginTypeEnum.Business, u => SqlFunc.JsonLike(u.VariablePropertys, exportFilter.DeviceId.ToString()))
         .WhereIF(!sql && exportFilter.PluginType == PluginTypeEnum.Business && exportFilter.DeviceId > 0, u =>
@@ -566,7 +564,7 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
     public async Task<bool> SaveVariableAsync(Variable input, ItemChangedType type)
     {
         if (type == ItemChangedType.Update)
-            await GlobalData.SysUserService.CheckApiDataScopeAsync(input.CreateOrgId, input.CreateUserId).ConfigureAwait(false);
+            await GlobalData.CheckByVariableId(input.Id).ConfigureAwait(false);
         else
             ManageHelper.CheckVariableCount(1);
 
@@ -767,6 +765,13 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
 
     public ImportPreviewOutput<Dictionary<string, Variable>> SetVariableData(HashSet<long>? dataScope, IReadOnlyDictionary<string, DeviceRuntime> deviceDicts, Dictionary<string, ImportPreviewOutputBase> ImportPreviews, ImportPreviewOutput<Dictionary<string, Variable>> deviceImportPreview, Dictionary<string, PluginInfo> driverPluginNameDict, NonBlockingDictionary<string, (Type, Dictionary<string, PropertyInfo>, Dictionary<string, PropertyInfo>)> propertysDict, string sheetName, IEnumerable<IDictionary<string, object>> rows)
     {
+
+        List<long>? filterDeviceIds = null;
+        if (dataScope != null)
+        {
+            filterDeviceIds = GlobalData.GetCurrentUserDeviceIds(dataScope).ToList();
+        }
+
         string ImportNullError = Localizer["ImportNullError"];
         string RedundantDeviceError = Localizer["RedundantDeviceError"];
 
@@ -839,17 +844,14 @@ internal sealed class VariableService : BaseService<Variable>, IVariableService
                     if (GlobalData.IdDevices.TryGetValue(variable.DeviceId, out var dbvar1s) && dbvar1s.VariableRuntimes.TryGetValue(variable.Name, out var dbvar1))
                     {
                         variable.Id = dbvar1.Id;
-                        variable.CreateOrgId = dbvar1.CreateOrgId;
-                        variable.CreateUserId = dbvar1.CreateUserId;
                         variable.IsUp = true;
                     }
                     else
                     {
                         variable.IsUp = false;
-                        variable.CreateOrgId = UserManager.OrgId;
-                        variable.CreateUserId = UserManager.UserId;
                     }
-                    if (device.IsUp && ((dataScope != null && dataScope?.Count > 0 && !dataScope.Contains(variable.CreateOrgId)) || dataScope?.Count == 0 && variable.CreateUserId != UserManager.UserId))
+           
+                    if (device.IsUp && (filterDeviceIds?.Contains(variable.DeviceId) != false))
                     {
                         importPreviewOutput.Results.Add(new(Interlocked.Increment(ref row), false, "Operation not permitted"));
                     }

src/Gateway/ThingsGateway.Gateway.Razor/Components/QuickActions.razor

@@ -1,5 +1,5 @@
 @inherits ThingsGatewayModuleComponentBase
-@attribute [JSModuleAutoLoader("Components/QuickActions.razor.js", AutoInvokeDispose = false)]
+@attribute [JSModuleAutoLoader("Components/QuickActions.razor.js", AutoInvokeDispose = false, AutoInvokeInit = true)]
 @namespace ThingsGateway.Gateway.Razor
 
 <div id="@Id">
@@ -8,12 +8,12 @@
     <div class="quickactions-list">
         <div class="quickactions-header">
             <div class="flex-fill">@HeaderText</div>
-            <button class="btn-close btn-close-white" type="button" aria-label="Close" onclick=@(async ()=>await ToggleOpen())></button>
+            <button class="btn-close btn-close-white" type="button" aria-label="Close" onclick=@(async () => await ToggleOpen())></button>
         </div>
         <div class="mx-2 row g-0">
 
             <div class="col-12 my-1">
-                <RadioList ShowLabel="true" TValue="bool" IsButton ValueExpression=@(()=> AutoRestartThread ) Value="AutoRestartThread" ValueChanged="OnAutoRestartThreadChanged" Items="AutoRestartThreadBoolItems" />
+                <RadioList ShowLabel="true" TValue="bool" IsButton ValueExpression=@(() => AutoRestartThread) Value="AutoRestartThread" ValueChanged="OnAutoRestartThreadChanged" Items="AutoRestartThreadBoolItems" />
             </div>
         </div>
 

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/ChannelDeviceTree.razor

@@ -2,7 +2,8 @@
 @using ThingsGateway.Admin.Application
 @using ThingsGateway.Admin.Razor
 @using ThingsGateway.Gateway.Application
-
+@attribute [JSModuleAutoLoader("Pages/GatewayMonitorPage/ChannelDeviceTree.razor.js", AutoInvokeInit = true, AutoInvokeDispose = false, JSObjectReference = true)]
+@inherits ThingsGatewayModuleComponentBase
 <div class="listtree-view">
 
     <div class="d-flex align-items-center">
@@ -13,7 +14,7 @@
 
 
     <ContextMenuZone>
-        <TreeView TItem="ChannelDeviceTreeItem" Items="Items" ShowIcon="false" ShowSearch IsAccordion=false IsVirtualize="true" OnTreeItemClick="OnTreeItemClick" OnSearchAsync="OnClickSearch" ModelEqualityComparer=ModelEqualityComparer ShowToolbar="true" >
+        <TreeView Id=@Id TItem="ChannelDeviceTreeItem" Items="Items" ShowIcon="false" ShowSearch IsAccordion=false IsVirtualize="true" OnTreeItemClick="OnTreeItemClick" OnSearchAsync="OnClickSearch" ModelEqualityComparer=ModelEqualityComparer ShowToolbar="true" >
             <ToolbarTemplate>
 
                 <div class="tree-node-toolbar-edit" @onclick:preventDefault @onclick:stopPropagation>
@@ -137,6 +138,6 @@
 @code {
     RenderFragment<ChannelDeviceTreeItem> RenderTreeItem = (item) =>
 
-    @<span class=@(GetClass(item))>@item.ToString()</span> ;
+    @<span class=@(GetClass(item)) id=@(GetId(item))>@item.ToString()</span> ;
 
 }

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/ChannelDeviceTree.razor.cs

@@ -10,6 +10,7 @@
 
 using Microsoft.AspNetCore.Components.Forms;
 using Microsoft.AspNetCore.Components.Web;
+using Microsoft.JSInterop;
 
 using ThingsGateway.Admin.Application;
 using ThingsGateway.Admin.Razor;
@@ -19,7 +20,7 @@ using ThingsGateway.SqlSugar;
 
 namespace ThingsGateway.Gateway.Razor;
 
-public partial class ChannelDeviceTree : IDisposable
+public partial class ChannelDeviceTree
 {
     SpinnerComponent Spinner;
     [Inject]
@@ -297,7 +298,34 @@ public partial class ChannelDeviceTree : IDisposable
     {
         if (item.TryGetChannelRuntime(out var channelRuntime))
         {
-            return channelRuntime.DeviceThreadManage != null ? "enable--text" : "disabled--text";
+            return channelRuntime.DeviceThreadManage != null ? " enable--text" : " disabled--text ";
+        }
+        else if (item.TryGetDeviceRuntime(out var deviceRuntime))
+        {
+            if (deviceRuntime.Driver?.DeviceThreadManage != null)
+            {
+                if (deviceRuntime.DeviceStatus == DeviceStatusEnum.OnLine)
+                {
+                    return "green--text";
+                }
+                else
+                {
+                    return "red--text";
+                }
+            }
+            else
+            {
+                return "disabled--text";
+            }
+        }
+        return "enable--text";
+    }
+
+    private static string GetClass(ChannelDeviceTreeItemStruct item)
+    {
+        if (item.TryGetChannelRuntime(out var channelRuntime))
+        {
+            return channelRuntime.DeviceThreadManage != null ? " enable--text" : " disabled--text ";
         }
         else if (item.TryGetDeviceRuntime(out var deviceRuntime))
         {
@@ -1391,24 +1419,6 @@ EventCallback.Factory.Create<MouseEventArgs>(this, async e =>
 
         scheduler = new SmartTriggerScheduler(Notify, TimeSpan.FromMilliseconds(3000));
 
-        _ = Task.Run(async () =>
-        {
-            while (!Disposed)
-            {
-                try
-                {
-                    await InvokeAsync(StateHasChanged);
-                }
-                catch
-                {
-                }
-                finally
-                {
-                    await Task.Delay(5000);
-                }
-            }
-        });
-
         await base.OnInitializedAsync();
     }
     private async Task Notify(CancellationToken cancellationToken)
@@ -1423,7 +1433,7 @@ EventCallback.Factory.Create<MouseEventArgs>(this, async e =>
         {
             await ChannelDeviceChanged.Invoke(Value);
         }
-
+        await InvokeAsync(StateHasChanged);
     }
 
     private static ChannelDeviceTreeItem GetValue(ChannelDeviceTreeItem channelDeviceTreeItem)
@@ -1595,10 +1605,17 @@ EventCallback.Factory.Create<MouseEventArgs>(this, async e =>
         }
     }
     private bool Disposed;
-    public void Dispose()
+
+    protected override async ValueTask DisposeAsync(bool disposing)
     {
+
         Disposed = true;
-        ChannelRuntimeDispatchService.UnSubscribe(Refresh);
+        ChannelRuntimeDispatchService?.UnSubscribe(Refresh);
+
+        if (Module != null)
+            await Module.InvokeVoidAsync("dispose", Id);
+
+        await base.DisposeAsync(disposing);
     }
 
     ChannelDeviceTreeItem? SelectModel = default;
@@ -1616,5 +1633,28 @@ EventCallback.Factory.Create<MouseEventArgs>(this, async e =>
         return Task.CompletedTask;
     }
 
+    #region js
 
+    protected override Task InvokeInitAsync() => InvokeVoidAsync("init", Id, Interop, new { Method = nameof(TriggerStateChanged) });
+
+
+
+    [JSInvokable]
+    public List<string> TriggerStateChanged(List<string> jsstring)
+    {
+        List<string> ret = new(jsstring.Count);
+        foreach (var str in jsstring)
+        {
+            var item = ChannelDeviceTreeItemStruct.FromJSString(str);
+            ret.Add(GetClass(item));
+        }
+        return ret;
+    }
+
+    private static string GetId(ChannelDeviceTreeItem channelDeviceTreeItem)
+    {
+        return ChannelDeviceTreeItem.ToJSString(channelDeviceTreeItem);
+    }
+
+    #endregion
 }

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/ChannelDeviceTree.razor.js

@@ -0,0 +1,57 @@
+let handlers = {};
+
+export function init(id, invoke, options) {
+    //function getCellByClass(row, className) {
+    //    // 直接用 querySelector 精确查找
+    //    return row.querySelector(`td.${className}`);
+    //}
+    var variableHandler = setInterval(async () => {
+        var treeview = document.getElementById(id);
+        if (!treeview) {
+            clearInterval(variableHandler);
+            return;
+        }
+
+        const spans = treeview.querySelectorAll(
+            '.tree-content[style*="--bb-tree-view-level: 2"] .tree-node > span, ' +
+            '.tree-content[style*="--bb-tree-view-level: 3"] .tree-node > span'
+        );
+
+        if (!spans) {
+            return;
+        }
+
+        const ids = Array.from(spans).map(span => span.id);
+
+        var { method } = options;
+
+        if (!invoke) return;
+        var valss = await invoke.invokeMethodAsync(method, ids);
+        if (!valss || valss.length === 0) return;
+        // 遍历 valss，下标 i 对应 span[i]
+        for (let i = 0; i < valss.length && i < spans.length; i++) {
+            const val = valss[i];
+            const span = spans[i];
+
+            if (!span) continue;
+
+            if (span.className !== val) {
+                span.className = val;
+            }
+
+        }
+
+    }
+        , 1000) //1000ms刷新一次
+
+    handlers[id] = { variableHandler, invoke };
+
+}
+export function dispose(id) {
+    const handler = handlers[id];
+    if (handler) {
+        clearInterval(handler.timer);
+        handler.invoke = null;
+        delete handlers[id];
+    }
+}

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/ChannelDeviceTreeItem.cs

@@ -141,4 +141,146 @@ public class ChannelDeviceTreeItem : IEqualityComparer<ChannelDeviceTreeItem>
     {
         return HashCode.Combine(obj.ChannelDevicePluginType, obj.DeviceRuntimeId, obj.ChannelRuntimeId, obj.PluginName, obj.PluginType);
     }
+
+
+
+    public static string ToJSString(ChannelDeviceTreeItem channelDeviceTreeItem)
+    {
+        return $"{channelDeviceTreeItem.ChannelDevicePluginType}.{channelDeviceTreeItem.DeviceRuntimeId}.{channelDeviceTreeItem.ChannelRuntimeId}.{channelDeviceTreeItem.PluginName}.{channelDeviceTreeItem.PluginType}";
+    }
+
+
 }
+
+public struct ChannelDeviceTreeItemStruct
+{
+    public long Id { get; set; }
+    public ChannelDevicePluginTypeEnum ChannelDevicePluginType { get; set; }
+
+    public long DeviceRuntimeId { get; set; }
+
+    public long ChannelRuntimeId { get; set; }
+    public string PluginName { get; set; }
+    public PluginTypeEnum? PluginType { get; set; }
+
+
+    public bool TryGetDeviceRuntime(out DeviceRuntime deviceRuntime)
+    {
+        if (ChannelDevicePluginType == ChannelDevicePluginTypeEnum.Device && DeviceRuntimeId > 0)
+        {
+            if (GlobalData.ReadOnlyIdDevices.TryGetValue(DeviceRuntimeId, out deviceRuntime))
+            {
+                return true;
+            }
+        }
+        deviceRuntime = null;
+        return false;
+    }
+
+    public bool TryGetPluginName(out string pluginName)
+    {
+        if (ChannelDevicePluginType == ChannelDevicePluginTypeEnum.PluginName)
+        {
+            pluginName = PluginName;
+            return true;
+        }
+        else
+        {
+            pluginName = default;
+            return false;
+        }
+    }
+
+    public bool TryGetPluginType(out PluginTypeEnum? pluginType)
+    {
+        if (ChannelDevicePluginType == ChannelDevicePluginTypeEnum.PluginType)
+        {
+            pluginType = PluginType;
+            return true;
+        }
+        else
+        {
+            pluginType = default;
+            return false;
+        }
+    }
+    public bool TryGetChannelRuntime(out ChannelRuntime channelRuntime)
+    {
+        if (ChannelDevicePluginType == ChannelDevicePluginTypeEnum.Channel && ChannelRuntimeId > 0)
+        {
+            if (GlobalData.ReadOnlyIdChannels.TryGetValue(ChannelRuntimeId, out channelRuntime))
+            {
+                return true;
+            }
+        }
+        channelRuntime = null;
+        return false;
+    }
+
+    public static ChannelDeviceTreeItemStruct FromJSString(string jsString)
+    {
+        if (string.IsNullOrWhiteSpace(jsString))
+            throw new ArgumentNullException(nameof(jsString));
+
+        ReadOnlySpan<char> span = jsString.AsSpan();
+        Span<Range> ranges = stackalloc Range[5];
+
+        // 手动分割
+        int partIndex = 0;
+        int start = 0;
+        while (partIndex < 4) // 只找前4个分隔符
+        {
+            int idx = span[start..].IndexOf('.');
+            if (idx == -1)
+                throw new FormatException($"Invalid format: expected 5 parts, got {partIndex + 1}");
+
+            ranges[partIndex] = new Range(start, start + idx);
+            start += idx + 1;
+            partIndex++;
+        }
+
+        // 最后一段
+        ranges[partIndex] = new Range(start, span.Length);
+
+        // 校验段数
+        if (partIndex != 4)
+            throw new FormatException($"Invalid format: expected 5 parts, got {partIndex + 1}");
+
+        var part0 = span[ranges[0]];
+        var part1 = span[ranges[1]];
+        var part2 = span[ranges[2]];
+        var part3 = span[ranges[3]];
+        var part4 = span[ranges[4]];
+
+        // 解析 Enum 和 long
+        if (!Enum.TryParse(part0, out ChannelDevicePluginTypeEnum pluginType))
+            throw new FormatException($"Invalid {nameof(ChannelDevicePluginTypeEnum)}: {part0.ToString()}");
+
+        if (!long.TryParse(part1, out long deviceRuntimeId))
+            throw new FormatException($"Invalid DeviceRuntimeId: {part1.ToString()}");
+
+        if (!long.TryParse(part2, out long channelRuntimeId))
+            throw new FormatException($"Invalid ChannelRuntimeId: {part2.ToString()}");
+
+        string pluginName = part3.ToString();
+
+        PluginTypeEnum? parsedPluginType = null;
+        if (!part4.IsEmpty)
+        {
+            if (!Enum.TryParse(part4, out PluginTypeEnum tmp))
+                throw new FormatException($"Invalid {nameof(PluginTypeEnum)}: {part4.ToString()}");
+            parsedPluginType = tmp;
+        }
+
+        return new ChannelDeviceTreeItemStruct
+        {
+            ChannelDevicePluginType = pluginType,
+            DeviceRuntimeId = deviceRuntimeId,
+            ChannelRuntimeId = channelRuntimeId,
+            PluginName = pluginName,
+            PluginType = parsedPluginType
+        };
+    }
+
+}
+

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/Variable/VariableModelUtils.cs

@@ -0,0 +1,149 @@
+using Microsoft.CSharp.RuntimeBinder;
+
+using System.Dynamic;
+using System.Linq.Expressions;
+
+using ThingsGateway.Common.Extension;
+using ThingsGateway.NewLife.Caching;
+using ThingsGateway.NewLife.Json.Extension;
+namespace ThingsGateway.Gateway.Razor;
+
+public static class VariableModelUtils
+{
+    static MemoryCache MemoryCache = new();
+    private static object GetPropertyValue(VariableRuntime model, string fieldName)
+    {
+        if (model == null)
+        {
+            throw new ArgumentNullException(nameof(model));
+        }
+
+        if (MemoryCache.TryGetValue(fieldName, out Func<VariableRuntime, object> data))
+        {
+            return data(model);
+        }
+        else
+        {
+            var ret = MemoryCache.GetOrAdd(fieldName, (fieldName) =>
+        {
+            return GetPropertyValueLambda<VariableRuntime, object?>(fieldName).Compile();
+        })(model);
+            return ret;
+        }
+    }
+
+    /// <summary>
+    /// 获取属性方法 Lambda 表达式
+    /// </summary>
+    /// <typeparam name="TModel"></typeparam>
+    /// <typeparam name="TResult"></typeparam>
+    /// <param name="propertyName"></param>
+    /// <returns></returns>
+    private static Expression<Func<TModel, TResult>> GetPropertyValueLambda<TModel, TResult>(string propertyName) where TModel : class, new()
+    {
+
+        var type = typeof(TModel);
+        var parameter = Expression.Parameter(typeof(TModel));
+
+        return !type.Assembly.IsDynamic && propertyName.Contains('.')
+            ? GetComplexPropertyExpression()
+            : GetSimplePropertyExpression();
+
+        Expression<Func<TModel, TResult>> GetSimplePropertyExpression()
+        {
+            Expression body;
+            var p = type.GetPropertyByName(propertyName);
+            if (p != null)
+            {
+                body = Expression.Property(Expression.Convert(parameter, type), p);
+            }
+            else if (type.IsAssignableTo(typeof(IDynamicMetaObjectProvider)))
+            {
+                var binder = Microsoft.CSharp.RuntimeBinder.Binder.GetMember(
+                    CSharpBinderFlags.None,
+                    propertyName,
+                    type,
+                    [CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null)]);
+                body = Expression.Dynamic(binder, typeof(object), parameter);
+            }
+            else
+            {
+                throw new InvalidOperationException($"类型 {type.Name} 未找到 {propertyName} 属性，无法获取其值");
+            }
+
+            return Expression.Lambda<Func<TModel, TResult>>(Expression.Convert(body, typeof(TResult)), parameter);
+        }
+
+        Expression<Func<TModel, TResult>> GetComplexPropertyExpression()
+        {
+            var propertyNames = propertyName.Split(".");
+            Expression? body = null;
+            Type t = type;
+            object? propertyInstance = new TModel();
+            foreach (var name in propertyNames)
+            {
+                var p = t.GetPropertyByName(name) ?? throw new InvalidOperationException($"类型 {type.Name} 未找到 {name} 属性，无法获取其值");
+                propertyInstance = p.GetValue(propertyInstance);
+                if (propertyInstance != null)
+                {
+                    t = propertyInstance.GetType();
+                }
+
+                body = Expression.Property(body ?? Expression.Convert(parameter, type), p);
+            }
+            return Expression.Lambda<Func<TModel, TResult>>(Expression.Convert(body!, typeof(TResult)), parameter);
+        }
+    }
+
+    public static string GetValue(VariableRuntime row, string fieldName)
+    {
+        switch (fieldName)
+        {
+            case nameof(VariableRuntime.Value):
+                return row.Value?.ToSystemTextJsonString(false) ?? string.Empty;
+            case nameof(VariableRuntime.RawValue):
+                return row.RawValue?.ToSystemTextJsonString(false) ?? string.Empty;
+            case nameof(VariableRuntime.LastSetValue):
+                return row.LastSetValue?.ToSystemTextJsonString(false) ?? string.Empty;
+            case nameof(VariableRuntime.ChangeTime):
+                return row.ChangeTime.ToString("MM-dd HH:mm:ss.fff");
+
+            case nameof(VariableRuntime.CollectTime):
+                return row.CollectTime.ToString("MM-dd HH:mm:ss.fff");
+
+            case nameof(VariableRuntime.IsOnline):
+                return row.IsOnline ? "Online" : "Offline";
+
+            case nameof(VariableRuntime.LastErrorMessage):
+                return row.LastErrorMessage;
+
+
+            case nameof(VariableRuntime.RuntimeType):
+                return row.RuntimeType;
+            default:
+
+                var ret = VariableModelUtils.GetPropertyValue(row, fieldName);
+
+                if (ret != null)
+                {
+                    var t = ret.GetType();
+                    if (t.IsEnum)
+                    {
+                        // 如果是枚举这里返回 枚举的描述信息
+                        var itemName = ret.ToString();
+                        if (!string.IsNullOrEmpty(itemName))
+                        {
+                            ret = Utility.GetDisplayName(t, itemName);
+                        }
+                    }
+                }
+                return ret is string str ? str : ret?.ToString() ?? string.Empty;
+        }
+    }
+
+    internal static Alignment GetAlign(this ITableColumn col) => col.Align ?? Alignment.None;
+    internal static bool GetTextWrap(this ITableColumn col) => col.TextWrap ?? false;
+    internal static bool GetShowTips(this ITableColumn col) => col.ShowTips ?? false;
+
+    internal static bool GetTextEllipsis(this ITableColumn col) => col.TextEllipsis ?? false;
+}

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/Variable/VariableRow.razor

@@ -1,19 +0,0 @@
-@namespace ThingsGateway.Gateway.Razor
-@using System.Text.Json.Nodes
-@using Microsoft.Extensions.Hosting
-@using ThingsGateway.Admin.Application
-@using ThingsGateway.Admin.Razor
-@using ThingsGateway.Gateway.Application
-@inherits ComponentDefault
-
-
-@foreach (var col in RowContent.Columns)
-{
-    <td class="@GetFixedCellClassString(col)" style="@GetFixedCellStyleString(col)">
-        <DynamicElement TagName="div" TriggerClick="@false"
-                        StopPropagation="false"
-                        class="@GetCellClassString(col, false, false)">
-            @GetValue(col, RowContent.Row)
-        </DynamicElement>
-    </td>
-}

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/Variable/VariableRow.razor.cs

@@ -1,279 +0,0 @@
-//------------------------------------------------------------------------------
-//  此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
-//  此代码版权（除特别声明外的代码）归作者本人Diego所有
-//  源代码使用协议遵循本仓库的开源协议及附加协议
-//  Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
-//  Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
-//  使用文档：https://thingsgateway.cn/
-//  QQ群：605534569
-//------------------------------------------------------------------------------
-
-using System.Collections.Concurrent;
-
-using ThingsGateway.NewLife.Threading;
-
-using TouchSocket.Core;
-
-namespace ThingsGateway.Gateway.Razor;
-
-public partial class VariableRow : IDisposable
-{
-    [Parameter]
-    public TableRowContext<VariableRuntime>? RowContent { get; set; }
-    private bool Disposed;
-    public void Dispose()
-    {
-        Disposed = true;
-        timer?.SafeDispose();
-        GC.SuppressFinalize(this);
-    }
-    TimerX? timer;
-    protected override void OnAfterRender(bool firstRender)
-    {
-        if (firstRender)
-        {
-            timer = new TimerX(Refresh, null, 1000, 1000, "VariableRow");
-        }
-        base.OnAfterRender(firstRender);
-    }
-
-    private Task Refresh(object? state)
-    {
-        if (!Disposed)
-            return InvokeAsync(StateHasChanged);
-        else
-            return Task.CompletedTask;
-    }
-
-    protected override void OnParametersSet()
-    {
-        FixedCellClassStringCache?.Clear();
-        CellClassStringCache?.Clear();
-        base.OnParametersSet();
-    }
-    /// <summary>
-    /// 获得 指定单元格数据方法
-    /// </summary>
-    /// <param name="col"></param>
-    /// <param name="item"></param>
-    /// <returns></returns>
-    protected static RenderFragment GetValue(ITableColumn col, VariableRuntime item) => builder =>
-    {
-        if (col.Template != null)
-        {
-            builder.AddContent(0, col.Template(item));
-        }
-        else if (col.ComponentType == typeof(ColorPicker))
-        {
-            // 自动化处理 ColorPicker 组件
-            builder.AddContent(10, col.RenderColor(item));
-        }
-        else
-        {
-            builder.AddContent(20, col.RenderValue(item));
-        }
-    };
-
-    //    internal static string? GetDoubleClickCellClassString(bool trigger) => CssBuilder.Default()
-    //.AddClass("is-dbcell", trigger)
-    //.Build();
-
-    /// <summary>
-    /// 获得指定列头固定列样式
-    /// </summary>
-    /// <param name="col"></param>
-    /// <param name="margin"></param>
-    /// <returns></returns>
-    protected string? GetFixedCellStyleString(ITableColumn col, int margin = 0)
-    {
-        string? ret = null;
-        if (col.Fixed)
-        {
-            ret = IsTail(col) ? GetRightStyle(col, margin) : GetLeftStyle(col);
-        }
-        return ret;
-    }
-
-    private string? GetLeftStyle(ITableColumn col)
-    {
-        var columns = RowContent.Columns.ToList();
-        var defaultWidth = 200;
-        var width = 0;
-        var start = 0;
-        var index = columns.IndexOf(col);
-        //if (GetFixedDetailRowHeaderColumn)
-        //{
-        //    width += DetailColumnWidth;
-        //}
-        //if (GetFixedMultipleSelectColumn)
-        //{
-        //    width += MultiColumnWidth;
-        //}
-        if (GetFixedLineNoColumn)
-        {
-            width += LineNoColumnWidth;
-        }
-        while (index > start)
-        {
-            var column = columns[start++];
-            width += column.Width ?? defaultWidth;
-        }
-        return $"left: {width}px;";
-    }
-    private bool GetFixedLineNoColumn = false;
-
-    private string? GetRightStyle(ITableColumn col, int margin)
-    {
-        var columns = RowContent.Columns.ToList();
-        var defaultWidth = 200;
-        var width = 0;
-        var index = columns.IndexOf(col);
-
-        // after
-        while (index + 1 < columns.Count)
-        {
-            var column = columns[index++];
-            width += column.Width ?? defaultWidth;
-        }
-        //if (ShowExtendButtons && FixedExtendButtonsColumn)
-        {
-            width += ExtendButtonColumnWidth;
-        }
-
-        // 如果是固定表头时增加滚动条位置
-        if (IsFixedHeader && (index + 1) == columns.Count)
-        {
-            width += margin;
-        }
-        return $"right: {width}px;";
-    }
-    private bool IsFixedHeader = true;
-
-    public int LineNoColumnWidth { get; set; } = 60;
-    public int ExtendButtonColumnWidth { get; set; } = 220;
-
-
-    private bool IsTail(ITableColumn col)
-    {
-        var middle = Math.Floor(RowContent.Columns.Count() * 1.0 / 2);
-        var index = Columns.IndexOf(col);
-        return middle < index;
-    }
-    private NonBlockingDictionary<ITableColumn, string> CellClassStringCache { get; } = new(ReferenceEqualityComparer.Instance);
-
-    /// <summary>
-    /// 获得 Cell 文字样式
-    /// </summary>
-    /// <param name="col"></param>
-    /// <param name="hasChildren"></param>
-    /// <param name="inCell"></param>
-    /// <returns></returns>
-    protected string? GetCellClassString(ITableColumn col, bool hasChildren, bool inCell)
-    {
-        if (CellClassStringCache.TryGetValue(col, out var cached))
-        {
-            return cached;
-        }
-        else
-        {
-            bool trigger = false;
-            return CellClassStringCache.GetOrAdd(col, col => CssBuilder.Default("table-cell")
- .AddClass(col.GetAlign().ToDescriptionString(), col.Align == Alignment.Center || col.Align == Alignment.Right)
- .AddClass("is-wrap", col.GetTextWrap())
- .AddClass("is-ellips", col.GetTextEllipsis())
- .AddClass("is-tips", col.GetShowTips())
- .AddClass("is-resizable", AllowResizing)
- .AddClass("is-tree", IsTree && hasChildren)
- .AddClass("is-incell", inCell)
-.AddClass("is-dbcell", trigger)
- .AddClass(col.CssClass)
- .Build());
-        }
-
-    }
-
-    private bool AllowResizing = true;
-    private bool IsTree = false;
-
-    private NonBlockingDictionary<ITableColumn, string> FixedCellClassStringCache { get; } = new(ReferenceEqualityComparer.Instance);
-    /// <summary>
-    /// 获得指定列头固定列样式
-    /// </summary>
-    /// <param name="col"></param>
-    /// <returns></returns>
-    protected string? GetFixedCellClassString(ITableColumn col)
-    {
-        if (FixedCellClassStringCache.TryGetValue(col, out var cached))
-        {
-            return cached;
-        }
-        else
-        {
-            return FixedCellClassStringCache.GetOrAdd(col, col => CssBuilder.Default()
-    .AddClass("fixed", col.Fixed)
-    .AddClass("fixed-right", col.Fixed && IsTail(col))
-    .AddClass("fr", IsLastColumn(col))
-    .AddClass("fl", IsFirstColumn(col))
-    .Build());
-
-        }
-
-    }
-
-
-    [Parameter]
-    public Func<List<ITableColumn>> ColumnsFunc { get; set; }
-    public List<ITableColumn> Columns => ColumnsFunc();
-
-    private NonBlockingDictionary<ITableColumn, bool> LastFixedColumnCache { get; } = new(ReferenceEqualityComparer.Instance);
-    private bool IsLastColumn(ITableColumn col)
-    {
-        if (LastFixedColumnCache.TryGetValue(col, out var cached))
-        {
-            return cached;
-        }
-        else
-        {
-            return LastFixedColumnCache.GetOrAdd(col, col =>
-            {
-                var ret = false;
-                if (col.Fixed && !IsTail(col))
-                {
-                    var index = Columns.IndexOf(col) + 1;
-                    ret = index < Columns.Count && Columns[index].Fixed == false;
-                }
-                return ret;
-            });
-
-        }
-    }
-    private NonBlockingDictionary<ITableColumn, bool> FirstFixedColumnCache { get; } = new(ReferenceEqualityComparer.Instance);
-    private bool IsFirstColumn(ITableColumn col)
-    {
-        if (FirstFixedColumnCache.TryGetValue(col, out var cached))
-        {
-            return cached;
-        }
-        else
-        {
-            return FirstFixedColumnCache.GetOrAdd(col, col =>
-            {
-                var ret = false;
-                if (col.Fixed && IsTail(col))
-                {
-                    // 查找前一列是否固定
-                    var index = Columns.IndexOf(col) - 1;
-                    if (index > 0)
-                    {
-                        ret = !Columns[index].Fixed;
-                    }
-                }
-                return ret;
-            });
-
-        }
-    }
-
-
-
-}

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/Variable/VariableRowHelpers.cs

@@ -1,60 +0,0 @@
-//------------------------------------------------------------------------------
-//  此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
-//  此代码版权（除特别声明外的代码）归作者本人Diego所有
-//  源代码使用协议遵循本仓库的开源协议及附加协议
-//  Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
-//  Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
-//  使用文档：https://thingsgateway.cn/
-//  QQ群：605534569
-//------------------------------------------------------------------------------
-
-namespace ThingsGateway.Gateway.Razor;
-
-internal static class VariableRowHelpers
-{
-    internal static Alignment GetAlign(this ITableColumn col) => col.Align ?? Alignment.None;
-    internal static bool GetTextWrap(this ITableColumn col) => col.TextWrap ?? false;
-    internal static bool GetShowTips(this ITableColumn col) => col.ShowTips ?? false;
-
-
-    internal static RenderFragment RenderColor<TItem>(this ITableColumn col, TItem item) => builder =>
-    {
-        var val = GetItemValue(col, item);
-        var v = val?.ToString() ?? "#000";
-        var style = $"background-color: {v};";
-        builder.OpenElement(0, "div");
-        builder.AddAttribute(1, "class", "is-color");
-        builder.AddAttribute(2, "style", style);
-        builder.CloseElement();
-    };
-    internal static object? GetItemValue<TItem>(this ITableColumn col, TItem item)
-    {
-        var fieldName = col.GetFieldName();
-        object? ret;
-        if (item is IDynamicObject dynamicObject)
-        {
-            ret = dynamicObject.GetValue(fieldName);
-        }
-        else
-        {
-            ret = Utility.GetPropertyValue<TItem, object?>(item, fieldName);
-
-            if (ret != null)
-            {
-                var t = ret.GetType();
-                if (t.IsEnum)
-                {
-                    // 如果是枚举这里返回 枚举的描述信息
-                    var itemName = ret.ToString();
-                    if (!string.IsNullOrEmpty(itemName))
-                    {
-                        ret = Utility.GetDisplayName(t, itemName);
-                    }
-                }
-            }
-        }
-        return ret;
-    }
-    internal static bool GetTextEllipsis(this ITableColumn col) => col.TextEllipsis ?? false;
-
-}

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/Variable/VariableRuntimeInfo.razor

@@ -4,10 +4,16 @@
 @using ThingsGateway.Admin.Application
 @using ThingsGateway.Admin.Razor
 @using ThingsGateway.Gateway.Application
-@inherits ComponentDefault
+@attribute [JSModuleAutoLoader("Pages/GatewayMonitorPage/Variable/VariableRuntimeInfo.razor.js", AutoInvokeInit = true, AutoInvokeDispose = false, JSObjectReference = true)]
+@inherits ThingsGatewayModuleComponentBase
 
-<AdminTable @ref=table BeforeShowEditDialogCallback="BeforeShowEditDialogCallback"
+@* RenderMode="TableRenderMode.Table"
+      ShowCardView=false *@
+
+<AdminTable Id=@Id @ref=table BeforeShowEditDialogCallback="BeforeShowEditDialogCallback"
             TItem="VariableRuntime"
+            RenderMode="TableRenderMode.Table"
+            ShowCardView=false
             EditDialogSize="Size.ExtraLarge"
             AutoGenerateColumns="true"
             ShowAdvancedSearch=false
@@ -15,13 +21,13 @@
             AllowResizing="true"
             OnAdd="OnAdd"
             IsFixedHeader=true
-            ShowCardView=false
             IsMultipleSelect=true
             SearchMode=SearchMode.Top
             ShowExtendButtons=true
             ShowToolbar="true"
             ShowExportButton
-            RenderMode="TableRenderMode.Table"
+            OnColumnCreating="OnColumnCreating"
+            OnColumnVisibleChanged=OnColumnVisibleChanged
             ShowDefaultButtons=true
             ShowSearch=false
             ExtendButtonColumnWidth=220
@@ -40,8 +46,8 @@
         <TableColumn @bind-Field="@context.RpcWriteCheck" ShowTips=true Filterable=true Sortable=true Visible=false />
 
         <TableColumn @bind-Field="@context.Enable" Filterable=true Sortable=true Visible="false" />
-        <TableColumn Field="@context.ChangeTime" ShowTips=true FieldExpression=@(() => context.ChangeTime) Filterable=true Sortable=true Visible=false />
-        <TableColumn Field="@context.CollectTime" ShowTips=true FieldExpression=@(() => context.CollectTime) Filterable=true Sortable=true Visible=true />
+        <TableColumn Field="@context.ChangeTime" Width=120 ShowTips=true FieldExpression=@(() => context.ChangeTime) Filterable=true Sortable=true Visible=false />
+        <TableColumn Field="@context.CollectTime" Width=120 ShowTips=true FieldExpression=@(() => context.CollectTime) Filterable=true Sortable=true Visible=true />
         <TableColumn Field="@context.IsOnline" FieldExpression=@(() => context.IsOnline) Filterable=true Sortable=true Visible=true />
         <TableColumn Field="@context.LastErrorMessage" ShowTips=true FieldExpression=@(() => context.LastErrorMessage) Filterable=true Sortable=true Visible=false />
 
@@ -87,7 +93,28 @@
 
     <RowContentTemplate Context="context">
 
-        <VariableRow RowContent="@context" ColumnsFunc="ColumnsFunc"></VariableRow>
+
+        @foreach (var col in context.Columns)
+        {
+            <td class="@GetFixedCellClassString(col, context)" style="@GetFixedCellStyleString(col, context)" @key=col>
+                @{
+                    var name = col.GetFieldName();
+                    var data = VariableModelUtils.GetValue(context.Row, name);
+                }
+                <div class="@GetCellClassString(col, data, false, false)" @key=col>
+                    @if (col.GetShowTips())
+                    {
+                        <Tooltip @key=col Title="@VariableModelUtils.GetValue(context.Row, name)" class="text-truncate d-block">
+                            @data
+                        </Tooltip>
+                    }
+                    else
+                    {
+                        @data
+                    }
+                </div>
+            </td>
+        }
 
     </RowContentTemplate>
 

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/Variable/VariableRuntimeInfo.razor.cs

@@ -10,6 +10,7 @@
 
 using Microsoft.AspNetCore.Components.Forms;
 using Microsoft.Extensions.Options;
+using Microsoft.JSInterop;
 
 using ThingsGateway.Admin.Application;
 using ThingsGateway.Admin.Razor;
@@ -19,11 +20,259 @@ using ThingsGateway.NewLife.Json.Extension;
 
 namespace ThingsGateway.Gateway.Razor;
 
-public partial class VariableRuntimeInfo : IDisposable
+public partial class VariableRuntimeInfo
 {
-    public List<ITableColumn> ColumnsFunc()
+
+    [Inject]
+    [NotNull]
+    protected BlazorAppContext? AppContext { get; set; }
+
+    [Inject]
+    [NotNull]
+    private NavigationManager? NavigationManager { get; set; }
+
+    public string RouteName => NavigationManager.ToBaseRelativePath(NavigationManager.Uri);
+
+    protected bool AuthorizeButton(string operate)
     {
-        return table?.Columns;
+        return AppContext.IsHasButtonWithRole(RouteName, operate);
+    }
+    [Inject]
+    [NotNull]
+    public IStringLocalizer<ThingsGateway.Razor._Imports>? RazorLocalizer { get; set; }
+
+    [Inject]
+    [NotNull]
+    public IStringLocalizer<ThingsGateway.Admin.Razor._Imports>? AdminLocalizer { get; set; }
+
+    [Inject]
+    [NotNull]
+    public DialogService? DialogService { get; set; }
+
+    [NotNull]
+    public IStringLocalizer? Localizer { get; set; }
+
+    [Inject]
+    [NotNull]
+    public IStringLocalizer<OperDescAttribute>? OperDescLocalizer { get; set; }
+
+    [Inject]
+    [NotNull]
+    public ToastService? ToastService { get; set; }
+
+    #region row
+
+
+    /// <summary>
+    /// 获得指定列头固定列样式
+    /// </summary>
+    protected string? GetFixedCellStyleString(ITableColumn col, TableRowContext<VariableRuntime> row, int margin = 0)
+    {
+        string? ret = null;
+        if (col.Fixed)
+        {
+            ret = IsTail(col, row) ? GetRightStyle(col, row, margin) : GetLeftStyle(col, row);
+        }
+        return ret;
+    }
+
+    private string? GetLeftStyle(ITableColumn col, TableRowContext<VariableRuntime> row)
+    {
+        var columns = row.Columns.ToList();
+        var defaultWidth = 200;
+        var width = 0;
+        var start = 0;
+        var index = columns.IndexOf(col);
+        //if (GetFixedDetailRowHeaderColumn)
+        //{
+        //    width += DetailColumnWidth;
+        //}
+        //if (GetFixedMultipleSelectColumn)
+        //{
+        //    width += MultiColumnWidth;
+        //}
+        if (GetFixedLineNoColumn)
+        {
+            width += LineNoColumnWidth;
+        }
+        while (index > start)
+        {
+            var column = columns[start++];
+            width += column.Width ?? defaultWidth;
+        }
+        return $"left: {width}px;";
+    }
+    private bool GetFixedLineNoColumn = false;
+
+    private string? GetRightStyle(ITableColumn col, TableRowContext<VariableRuntime> row, int margin)
+    {
+        var columns = row.Columns.ToList();
+        var defaultWidth = 200;
+        var width = 0;
+        var index = columns.IndexOf(col);
+
+        // after
+        while (index + 1 < columns.Count)
+        {
+            var column = columns[index++];
+            width += column.Width ?? defaultWidth;
+        }
+        //if (ShowExtendButtons && FixedExtendButtonsColumn)
+        {
+            width += ExtendButtonColumnWidth;
+        }
+
+        // 如果是固定表头时增加滚动条位置
+        if (IsFixedHeader && (index + 1) == columns.Count)
+        {
+            width += margin;
+        }
+        return $"right: {width}px;";
+    }
+    private bool IsFixedHeader = true;
+
+    public int LineNoColumnWidth { get; set; } = 60;
+    public int ExtendButtonColumnWidth { get; set; } = 220;
+
+
+    private bool IsTail(ITableColumn col, TableRowContext<VariableRuntime> row)
+    {
+        var middle = Math.Floor(row.Columns.Count() * 1.0 / 2);
+        var index = Columns.IndexOf(col);
+        return middle < index;
+    }
+
+    /// <summary>
+    /// 获得 Cell 文字样式
+    /// </summary>
+    protected string? GetCellClassString(ITableColumn col, string data, bool hasChildren, bool inCell)
+    {
+        bool trigger = false;
+        return CssBuilder.Default("table-cell")
+.AddClass(col.GetAlign().ToDescriptionString(), col.Align == Alignment.Center || col.Align == Alignment.Right)
+.AddClass("green--text", data == "Online")
+.AddClass("red--text", data == "Offline")
+.AddClass("is-wrap", col.GetTextWrap())
+.AddClass("is-ellips", col.GetTextEllipsis())
+.AddClass("is-tips", col.GetShowTips())
+.AddClass("is-resizable", AllowResizing)
+.AddClass("is-tree", IsTree && hasChildren)
+.AddClass("is-incell", inCell)
+.AddClass("is-dbcell", trigger)
+.AddClass(col.CssClass)
+.Build();
+
+    }
+
+    private bool AllowResizing = true;
+    private bool IsTree = false;
+
+    /// <summary>
+    /// 获得指定列头固定列样式
+    /// </summary>
+    protected string? GetFixedCellClassString(ITableColumn col, TableRowContext<VariableRuntime> row)
+    {
+        return CssBuilder.Default()
+      .AddClass("fixed", col.Fixed)
+      .AddClass("fixed-right", col.Fixed && IsTail(col, row))
+      .AddClass("fr", IsLastColumn(col, row))
+      .AddClass("fl", IsFirstColumn(col, row))
+      .Build();
+
+    }
+
+    public List<ITableColumn> Columns => table?.Columns;
+
+    private bool IsLastColumn(ITableColumn col, TableRowContext<VariableRuntime> row)
+    {
+        var ret = false;
+        if (col.Fixed && !IsTail(col, row))
+        {
+            var index = Columns.IndexOf(col) + 1;
+            ret = index < Columns.Count && Columns[index].Fixed == false;
+        }
+        return ret;
+
+    }
+    private bool IsFirstColumn(ITableColumn col, TableRowContext<VariableRuntime> row)
+    {
+
+        var ret = false;
+        if (col.Fixed && IsTail(col, row))
+        {
+            // 查找前一列是否固定
+            var index = Columns.IndexOf(col) - 1;
+            if (index > 0)
+            {
+                ret = !Columns[index].Fixed;
+            }
+        }
+        return ret;
+    }
+
+    #endregion
+
+    #region js
+
+    protected override Task InvokeInitAsync() => InvokeVoidAsync("init", Id, Interop, new { Method = nameof(TriggerStateChanged) });
+
+    private Task OnColumnVisibleChanged(string name, bool visible)
+    {
+        _cachedFields = table.GetVisibleColumns.ToArray();
+        return Task.CompletedTask;
+    }
+    private Task OnColumnCreating(List<ITableColumn> columns)
+    {
+        foreach (var column in columns)
+        {
+            column.OnCellRender = a =>
+            {
+                a.Class = $"{column.GetFieldName()}";
+            };
+        }
+        return Task.CompletedTask;
+    }
+
+    private ITableColumn[] _cachedFields = Array.Empty<ITableColumn>();
+
+    [JSInvokable]
+    public List<List<string>> TriggerStateChanged()
+    {
+        try
+        {
+            if (table == null) return null;
+            List<List<string>> ret = new();
+            if (_cachedFields.Length == 0) _cachedFields = table.GetVisibleColumns.ToArray();
+            foreach (var row in table.Rows)
+            {
+                var list = new List<string>(_cachedFields.Length);
+                foreach (var col in _cachedFields)
+                {
+                    var fieldName = col.GetFieldName();
+                    list.Add(VariableModelUtils.GetValue(row, fieldName));
+                }
+                ret.Add(list);
+            }
+
+            return ret;
+
+        }
+        catch (Exception)
+        {
+            return new();
+        }
+    }
+
+
+    #endregion
+
+    protected override void OnAfterRender(bool firstRender)
+    {
+        if (firstRender || _cachedFields.Length == 0)
+        {
+            _cachedFields = table.GetVisibleColumns.ToArray();
+        }
+        base.OnAfterRender(firstRender);
     }
 
 #if !Management
@@ -43,17 +292,21 @@ public partial class VariableRuntimeInfo : IDisposable
     [Inject]
     private IOptions<WebsiteOptions>? WebsiteOption { get; set; }
     public bool Disposed { get; set; }
-
-
-    public void Dispose()
+    protected override async ValueTask DisposeAsync(bool disposing)
     {
+
         Disposed = true;
-        VariableRuntimeDispatchService.UnSubscribe(Refresh);
-        GC.SuppressFinalize(this);
+        VariableRuntimeDispatchService?.UnSubscribe(Refresh);
+
+        if (Module != null)
+            await Module.InvokeVoidAsync("dispose", Id);
+
+        await base.DisposeAsync(disposing);
     }
 
     protected override void OnInitialized()
     {
+        Localizer = App.CreateLocalizerByType(GetType());
         VariableRuntimeDispatchService.Subscribe(Refresh);
 
         scheduler = new SmartTriggerScheduler(Notify, TimeSpan.FromMilliseconds(1000));

src/Gateway/ThingsGateway.Gateway.Razor/Pages/GatewayMonitorPage/Variable/VariableRuntimeInfo.razor.js

@@ -0,0 +1,134 @@
+let handlers = {};
+
+export function init(id, invoke, options) {
+    //function getCellByClass(row, className) {
+    //    // 直接用 querySelector 精确查找
+    //    return row.querySelector(`td.${className}`);
+    //}
+    var variableHandler = setInterval(async () => {
+        var admintable = document.getElementById(id);
+        if (!admintable) {
+            clearInterval(variableHandler);
+            return;
+        }
+
+        var tables = admintable.getElementsByTagName('table');
+
+        if (!tables || tables.length === 0) {
+            return;
+        }
+
+        var table = tables[tables.length - 1];
+
+        if (!table) {
+            clearInterval(variableHandler);
+            return;
+        }
+
+        var { method } = options;
+
+        if (!invoke) return;
+        var valss = await invoke.invokeMethodAsync(method);
+        if (valss == null) return;
+        for (let rowIndex = 0; rowIndex < valss.length; rowIndex++) {
+
+            const vals = valss[rowIndex];
+            if (vals == null) continue;
+
+
+            var row = table.rows[rowIndex];
+            if (!row) continue;
+
+
+            for (let i = 0; i < vals.length; i++) {
+
+                const cellValue = vals[i];
+                if (cellValue == null) continue;
+
+                //var cell = getCellByClass(row, cellName)
+                var cell = row.cells[i + 2]
+
+                if (!cell) continue;
+
+                // 查找 tooltip span
+                var cellDiv = cell.querySelector('.table-cell');
+                if (cellDiv) {
+                    var tooltipSpan = cell.querySelector('.bb-tooltip');
+                    if (tooltipSpan) {
+
+                        if (tooltipSpan.innerText != cellValue) {
+
+                            tooltipSpan.innerText = cellValue ?? '';      // 更新显示文字
+                            tooltipSpan.setAttribute('data-bs-original-title', cellValue ?? '');  // 同步 tooltip 提示
+
+                        }
+                        continue;
+
+
+                    }
+                    else {
+                        if (cellDiv.innerText != cellValue) {
+
+                            cellDiv.innerText = cellValue ?? '';
+                        }
+                    }
+                    if (cellValue == "Online") {
+                        cellDiv.classList.remove('red--text');
+                        cellDiv.classList.add('green--text');
+                    }
+                    else if (cellValue == "Offline") {
+                        cellDiv.classList.remove('green--text');
+                        cellDiv.classList.add('red--text');
+                    }
+                    else {
+                        cellDiv.classList.remove('red--text');
+                        cellDiv.classList.remove('green--text');
+
+                    }
+                }
+
+                //// 查找 switch
+                //var switchDiv = cell.querySelector('.switch');
+                //if (switchDiv) {
+                //    if (cellValue === true || cellValue === "on" || cellValue === "True" || cellValue === "true") {
+                //        switchDiv.classList.add('is-checked');
+                //        switchDiv.classList.add('enable');
+                //        switchDiv.classList.remove('is-unchecked');
+                //        switchDiv.classList.remove('disabled');
+
+                //        switchDiv.querySelectorAll('span')[0].classList.add('border-success');
+                //        switchDiv.querySelectorAll('span')[0].classList.add('bg-success');
+
+                //    } else {
+                //        switchDiv.classList.remove('is-checked');
+                //        switchDiv.classList.remove('enable');
+                //        switchDiv.classList.add('is-unchecked');
+                //        switchDiv.classList.add('disabled');
+
+                //        switchDiv.querySelectorAll('span')[0].classList.remove('border-success');
+                //        switchDiv.querySelectorAll('span')[0].classList.remove('bg-success');
+                //    }
+                //    continue;
+                //}
+                //// 默认情况（普通单元格）
+                //cell.innerText = cellValue;
+
+
+            }
+
+        }
+
+    }
+        , 500) //1000ms刷新一次
+
+    handlers[id] = { variableHandler, invoke };
+
+}
+export function dispose(id) {
+    const handler = handlers[id];
+    if (handler) {
+        clearInterval(handler.timer);
+        handler.invoke = null;
+        delete handlers[id];
+    }
+}

src/Plugin/ThingsGateway.Foundation.Benchmark/Benchmark/ModbusBenchmark.cs

@@ -11,11 +11,6 @@
 using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Diagnosers;
 
-using Longbow.Modbus;
-using Longbow.TcpSocket;
-
-using Microsoft.Extensions.DependencyInjection;
-
 using System.Net.Sockets;
 
 using ThingsGateway.Foundation.Modbus;
@@ -33,14 +28,12 @@ namespace ThingsGateway.Foundation;
 [MemoryDiagnoser]
 public class ModbusBenchmark : IDisposable
 {
-    public static int ClientCount = 1;
+    public static int ClientCount = 10;
     public static int TaskNumberOfItems = 1;
-    public static int NumberOfItems = 10;
+    public static int NumberOfItems = 100;
 
-    private readonly List<IModbusClient> _lgbModbusClients = [];
     private List<ModbusMaster> thingsgatewaymodbuss = new();
     private List<IModbusMaster> nmodbuss = new();
-    //private List<ModbusTcpNet> modbusTcpNets = new();
     private List<ModbusTcpMaster> modbusTcpMasters = new();
 
     [GlobalSetup]
@@ -74,15 +67,7 @@ public class ModbusBenchmark : IDisposable
             await nmodbus.ReadHoldingRegistersAsync(1, 0, 100);
             nmodbuss.Add(nmodbus);
         }
-        //for (int i = 0; i < ClientCount; i++)
-        //{
-        //    ModbusTcpNet modbusTcpNet = new();
-        //    modbusTcpNet.IpAddress = "127.0.0.1";
-        //    modbusTcpNet.Port = 502;
-        //    modbusTcpNet.ConnectServer();
-        //    modbusTcpNet.ReadAsync("0", 100);
-        //    modbusTcpNets.Add(modbusTcpNet);
-        //}
+
 
         for (int i = 0; i < ClientCount; i++)
         {
@@ -94,23 +79,6 @@ public class ModbusBenchmark : IDisposable
             modbusTcpMasters.Add(client);
         }
 
-        {
-            var sc = new ServiceCollection();
-            sc.AddTcpSocketFactory();
-            sc.AddModbusFactory();
-
-            var provider = sc.BuildServiceProvider();
-            var factory = provider.GetRequiredService<IModbusFactory>();
-
-            for (int i = 0; i < ClientCount; i++)
-            {
-                var client = factory.GetOrCreateTcpMaster();
-                await client.ConnectAsync("127.0.0.1", 502);
-                await client.ReadHoldingRegistersAsync(0x01, 0x00, 10);
-
-                _lgbModbusClients.Add(client);
-            }
-        }
     }
 
     [Benchmark]
@@ -140,33 +108,6 @@ public class ModbusBenchmark : IDisposable
         await Task.WhenAll(tasks);
     }
 
-    [Benchmark]
-    public async Task LongbowModbus()
-    {
-        List<Task> tasks = new List<Task>();
-        foreach (var client in _lgbModbusClients)
-        {
-
-            for (int i = 0; i < TaskNumberOfItems; i++)
-            {
-                tasks.Add(Task.Run(async () =>
-                {
-                    for (int i = 0; i < NumberOfItems; i++)
-                    {
-                        using var cts = new CancellationTokenSource(3000);
-                        var result = await client.ReadHoldingRegistersAsync(1, 0, 100, cts.Token).ConfigureAwait(false);
-                        var data = result.ReadUShortValues(100);
-                        if (!result.IsSuccess)
-                        {
-                            throw new Exception(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss ffff") + result.Exception);
-                        }
-                    }
-                }));
-            }
-        }
-        await Task.WhenAll(tasks);
-    }
-
     [Benchmark]
     public async Task TouchSocket()
     {
@@ -214,39 +155,12 @@ public class ModbusBenchmark : IDisposable
     }
 
 
-    //并发失败
-    //[Benchmark]
-    //public async Task HslCommunication()
-    //{
-    //    List<Task> tasks = new List<Task>();
-    //    foreach (var modbusTcpNet in modbusTcpNets)
-    //    {
-    //        for (int i = 0; i < TaskNumberOfItems; i++)
-    //        {
-    //            tasks.Add(Task.Run(async () =>
-    //            {
-    //                for (int i = 0; i < NumberOfItems; i++)
-    //                {
-    //                    var result = await modbusTcpNet.ReadAsync("0", 100);
-    //                    if (!result.IsSuccess)
-    //                    {
-    //                        throw new Exception(result.Message);
-    //                    }
-    //                }
-    //            }));
-    //        }
-    //    }
-    //    await Task.WhenAll(tasks);
-    //}
-
     public void Dispose()
     {
 
         thingsgatewaymodbuss?.ForEach(a => a.Channel.SafeDispose());
         thingsgatewaymodbuss?.ForEach(a => a.SafeDispose());
         nmodbuss?.ForEach(a => a.SafeDispose());
-        //modbusTcpNets?.ForEach(a => a.SafeDispose());
-        _lgbModbusClients?.ForEach(a => a.DisposeAsync());
     }
 
 }

src/Plugin/ThingsGateway.Foundation.Benchmark/Benchmark/S7Benchmark.cs

@@ -11,8 +11,6 @@
 using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Diagnosers;
 
-using HslCommunication.Profinet.Siemens;
-
 using S7.Net;
 
 using ThingsGateway.Foundation.SiemensS7;
@@ -33,7 +31,6 @@ public class S7Benchmark : IDisposable
     private List<SiemensS7Master> siemensS7s = new();
 
     private List<Plc> plcs = new();
-    private List<SiemensS7Net> siemensS7Nets = new();
 
     [GlobalSetup]
     public async Task Init()
@@ -57,13 +54,7 @@ public class S7Benchmark : IDisposable
                 await siemensS7.ReadAsync("M1", 100);
                 siemensS7s.Add(siemensS7);
             }
-            for (int i = 0; i < ClientCount; i++)
-            {
-                var siemensS7Net = new SiemensS7Net(SiemensPLCS.S1500, "127.0.0.1");
-                await siemensS7Net.ConnectServerAsync();
-                await siemensS7Net.ReadAsync("M0", 100);
-                siemensS7Nets.Add(siemensS7Net);
-            }
+
             for (int i = 0; i < ClientCount; i++)
             {
                 var plc = new Plc(CpuType.S71500, "127.0.0.1", 102, 0, 0);
@@ -94,34 +85,6 @@ public class S7Benchmark : IDisposable
         await Task.WhenAll(tasks);
     }
 
-    [Benchmark]
-    public async Task HslCommunication()
-    {
-        List<Task> tasks = new List<Task>();
-        foreach (var siemensS7Net in siemensS7Nets)
-        {
-            for (int i = 0; i < TaskNumberOfItems; i++)
-            {
-                tasks.Add(Task.Run(async () =>
-                {
-                    for (int i = 0; i < NumberOfItems; i++)
-                    {
-                        var result = await siemensS7Net.ReadAsync("M0", 100);
-                        if (!result.IsSuccess)
-                        {
-                            throw new Exception(result.Message);
-                        }
-                    }
-                }));
-            }
-        }
-        await Task.WhenAll(tasks);
-    }
-
-
-
-
-
 
     [Benchmark]
     public async Task ThingsGateway()
@@ -151,7 +114,6 @@ public class S7Benchmark : IDisposable
     public void Dispose()
     {
         plcs.ForEach(a => a.SafeDispose());
-        siemensS7Nets.ForEach(a => a.SafeDispose());
         siemensS7s.ForEach(a => a.Channel.SafeDispose());
         siemensS7s.ForEach(a => a.SafeDispose());
     }

src/Plugin/ThingsGateway.Foundation.Benchmark/Benchmark/SemaphoreBenchmark.cs

@@ -0,0 +1,94 @@
+//------------------------------------------------------------------------------
+//  此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
+//  此代码版权（除特别声明外的代码）归作者本人Diego所有
+//  源代码使用协议遵循本仓库的开源协议及附加协议
+//  Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
+//  Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
+//  使用文档：https://kimdiego2098.github.io/
+//  QQ群：605534569
+//------------------------------------------------------------------------------
+
+namespace ThingsGateway.Foundation;
+
+using BenchmarkDotNet.Attributes;
+
+using PooledAwait;
+
+using System.Threading;
+using System.Threading.Tasks;
+
+using ThingsGateway.NewLife;
+
+[MemoryDiagnoser]
+[ThreadingDiagnoser]
+public class SemaphoreBenchmark
+{
+    private readonly SemaphoreSlim _semaphoreSlim = new SemaphoreSlim(1);
+    private readonly WaitLock _waitLock = new WaitLock("SemaphoreBenchmark");
+
+    [Params(100)]
+    public int Iterations;
+
+    [Benchmark(Baseline = true)]
+    public async Task SemaphoreSlim_WaitRelease()
+    {
+
+        for (int i = 0; i < Iterations; i++)
+        {
+            await _semaphoreSlim.WaitAsync().ConfigureAwait(false);
+
+            await Task.Delay(1);
+            _semaphoreSlim.Release();
+        }
+
+    }
+
+
+    [Benchmark]
+    public async Task ReusableAsyncSemaphore_WaitRelease()
+    {
+        for (int i = 0; i < Iterations; i++)
+        {
+            await _waitLock.WaitAsync().ConfigureAwait(false);
+
+            await Task.Delay(1);
+            _waitLock.Release();
+        }
+    }
+    [Benchmark]
+    public async Task SemaphoreSlim_WaitReleaseToken()
+    {
+
+        for (int i = 0; i < Iterations; i++)
+        {
+            using var cts = new CancellationTokenSource(1000);
+
+            await _semaphoreSlim.WaitAsync(cts.Token).ConfigureAwait(false);
+
+            await Task.Delay(1);
+            _semaphoreSlim.Release();
+        }
+
+    }
+
+
+    [Benchmark]
+    public ValueTask ReusableAsyncSemaphore_WaitReleaseToken()
+    {
+        return ReusableAsyncSemaphore_WaitReleaseToken(this);
+
+        static async PooledValueTask ReusableAsyncSemaphore_WaitReleaseToken(SemaphoreBenchmark @this)
+        {
+            for (int i = 0; i < @this.Iterations; i++)
+            {
+                using var cts = new CancellationTokenSource(1000);
+
+                await @this._waitLock.WaitAsync(cts.Token).ConfigureAwait(false);
+
+                await Task.Delay(1);
+                @this._waitLock.Release();
+            }
+        }
+    }
+}
+

src/Plugin/ThingsGateway.Foundation.Benchmark/Benchmark/TimeoutBenchmark.cs

@@ -11,6 +11,7 @@
 using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Diagnosers;
 
+using ThingsGateway.NewLife;
 using ThingsGateway.NewLife.Collections;
 
 namespace ThingsGateway.Foundation;
@@ -35,11 +36,11 @@ public class TimeoutBenchmark
             }
     }
 
-    private ObjectPool<ReusableCancellationTokenSource> _reusableTimeouts;
+    private ObjectPoolLock<ReusableCancellationTokenSource> _reusableTimeouts;
     [Benchmark]
     public async ValueTask ReusableTimeoutWaitAsync()
     {
-        _reusableTimeouts ??= new();
+        _reusableTimeouts ??= new ObjectPoolLock<ReusableCancellationTokenSource>();
         using var otherCts = new CancellationTokenSource();
         for (int i1 = 0; i1 < 10; i1++)
             for (int i = 0; i < 10; i++)
@@ -47,7 +48,7 @@ public class TimeoutBenchmark
                 var _reusableTimeout = _reusableTimeouts.Get();
                 try
                 {
-                    await Task.Delay(5, _reusableTimeout.GetTokenSource(10, otherCts.Token).Token).ConfigureAwait(false); // 模拟工作
+                    await Task.Delay(5, _reusableTimeout.GetTokenSource(10, otherCts.Token)).ConfigureAwait(false); // 模拟工作
                 }
                 finally
                 {

src/Plugin/ThingsGateway.Foundation.Benchmark/Program.cs

@@ -14,9 +14,7 @@
 using BenchmarkDotNet.Configs;
 using BenchmarkDotNet.Running;
 
-using ThingsGateway.Foundation;
-
-namespace BenchmarkConsoleApp
+namespace ThingsGateway.Foundation
 {
     internal class Program
     {
@@ -47,11 +45,18 @@ namespace BenchmarkConsoleApp
             //ManualConfig.Create(DefaultConfig.Instance)
             //.WithOptions(ConfigOptions.DisableOptimizationsValidator)
             //);
-
+            //            BenchmarkRunner.Run<BenchmarkAsyncWaitData>(
+            //ManualConfig.Create(DefaultConfig.Instance)
+            //.WithOptions(ConfigOptions.DisableOptimizationsValidator)
+            //);
+            //         BenchmarkRunner.Run<SemaphoreBenchmark>(
+            //    ManualConfig.Create(DefaultConfig.Instance)
+            //        .WithOptions(ConfigOptions.DisableOptimizationsValidator)
+            //);
             BenchmarkRunner.Run<ModbusBenchmark>(
-       ManualConfig.Create(DefaultConfig.Instance)
-           .WithOptions(ConfigOptions.DisableOptimizationsValidator)
-   );
+ManualConfig.Create(DefaultConfig.Instance)
+.WithOptions(ConfigOptions.DisableOptimizationsValidator)
+);
             //            BenchmarkRunner.Run<S7Benchmark>(
             //ManualConfig.Create(DefaultConfig.Instance)
             //.WithOptions(ConfigOptions.DisableOptimizationsValidator)

src/Plugin/ThingsGateway.Foundation.Benchmark/ThingsGateway.Foundation.Benchmark.csproj

@@ -42,10 +42,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="BenchmarkDotNet" Version="0.15.4" />
-		<PackageReference Include="HslCommunication" Version="12.5.1" />
-		<PackageReference Include="Longbow.Modbus" Version="9.1.1" />
 		<PackageReference Include="NModbus" Version="3.0.81" />
-		<PackageReference Include="NModbus.Serial" Version="3.0.81" />
 		<PackageReference Include="S7netplus" Version="0.20.0" />
 		<!--<PackageReference Include="ThingsGateway.Foundation.Modbus" Version="$(DefaultVersion)" />
 		<PackageReference Include="ThingsGateway.Foundation.SiemensS7" Version="$(DefaultVersion)" />-->

src/Plugin/ThingsGateway.Foundation.Modbus/Slave/ModbusSlave.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using PooledAwait;
+
 using System.Buffers;
 using System.Collections.Concurrent;
 using System.Runtime.InteropServices;
@@ -27,22 +29,22 @@ public class ModbusSlave : DeviceBase, IModbusAddress
     /// <summary>
     /// 继电器
     /// </summary>
-    private NonBlockingDictionary<byte, ByteBlock> ModbusServer01ByteBlocks = new();
+    private ConcurrentDictionary<int, ByteBlock> ModbusServer01ByteBlocks = new();
 
     /// <summary>
     /// 开关输入
     /// </summary>
-    private NonBlockingDictionary<byte, ByteBlock> ModbusServer02ByteBlocks = new();
+    private ConcurrentDictionary<int, ByteBlock> ModbusServer02ByteBlocks = new();
 
     /// <summary>
     /// 输入寄存器
     /// </summary>
-    private NonBlockingDictionary<byte, ByteBlock> ModbusServer03ByteBlocks = new();
+    private ConcurrentDictionary<int, ByteBlock> ModbusServer03ByteBlocks = new();
 
     /// <summary>
     /// 保持寄存器
     /// </summary>
-    private NonBlockingDictionary<byte, ByteBlock> ModbusServer04ByteBlocks = new();
+    private ConcurrentDictionary<int, ByteBlock> ModbusServer04ByteBlocks = new();
 
     /// <inheritdoc/>
     public override void InitChannel(IChannel channel, ILog? deviceLog = null)
@@ -187,8 +189,42 @@ public class ModbusSlave : DeviceBase, IModbusAddress
     /// <inheritdoc/>
     private void Init(ModbusRequest mAddress)
     {
-        //自动扩容
-        ModbusServer01ByteBlocks.GetOrAdd(mAddress.Station, a =>
+        if (ModbusServer01ByteBlocks.ContainsKey(mAddress.Station))
+            return;
+        else
+            ModbusServer01ByteBlocks.GetOrAdd(mAddress.Station, a =>
+            {
+                var bytes = new ByteBlock(256,
+                (c) =>
+                {
+                    var data = ArrayPool<byte>.Shared.Rent(c);
+                    for (int i = 0; i < data.Length; i++)
+                    {
+                        data[i] = 0;
+                    }
+                    return data;
+                },
+                (m) =>
+                {
+                    if (MemoryMarshal.TryGetArray((ReadOnlyMemory<byte>)m, out var result))
+                    {
+                        ArrayPool<byte>.Shared.Return(result.Array);
+                    }
+                }
+                );
+                bytes.SetLength(256);
+                for (int i = 0; i < bytes.Length; i++)
+                {
+                    bytes.WriteByte(0);
+                }
+                bytes.Position = 0;
+                return bytes;
+            });
+
+        if (ModbusServer02ByteBlocks.ContainsKey(mAddress.Station))
+            return;
+        else
+            ModbusServer02ByteBlocks.GetOrAdd(mAddress.Station, a =>
         {
             var bytes = new ByteBlock(256,
             (c) =>
@@ -216,7 +252,11 @@ public class ModbusSlave : DeviceBase, IModbusAddress
             bytes.Position = 0;
             return bytes;
         });
-        ModbusServer02ByteBlocks.GetOrAdd(mAddress.Station, a =>
+
+        if (ModbusServer03ByteBlocks.ContainsKey(mAddress.Station))
+            return;
+        else
+            ModbusServer03ByteBlocks.GetOrAdd(mAddress.Station, a =>
         {
             var bytes = new ByteBlock(256,
             (c) =>
@@ -244,35 +284,11 @@ public class ModbusSlave : DeviceBase, IModbusAddress
             bytes.Position = 0;
             return bytes;
         });
-        ModbusServer03ByteBlocks.GetOrAdd(mAddress.Station, a =>
-        {
-            var bytes = new ByteBlock(256,
-            (c) =>
-            {
-                var data = ArrayPool<byte>.Shared.Rent(c);
-                for (int i = 0; i < data.Length; i++)
-                {
-                    data[i] = 0;
-                }
-                return data;
-            },
-            (m) =>
-            {
-                if (MemoryMarshal.TryGetArray((ReadOnlyMemory<byte>)m, out var result))
-                {
-                    ArrayPool<byte>.Shared.Return(result.Array);
-                }
-            }
-            );
-            bytes.SetLength(256);
-            for (int i = 0; i < bytes.Length; i++)
-            {
-                bytes.WriteByte(0);
-            }
-            bytes.Position = 0;
-            return bytes;
-        });
-        ModbusServer04ByteBlocks.GetOrAdd(mAddress.Station, a =>
+
+        if (ModbusServer04ByteBlocks.ContainsKey(mAddress.Station))
+            return;
+        else
+            ModbusServer04ByteBlocks.GetOrAdd(mAddress.Station, a =>
         {
             var bytes = new ByteBlock(256,
             (c) =>
@@ -337,10 +353,11 @@ public class ModbusSlave : DeviceBase, IModbusAddress
                 }
                 Init(mAddress);
             }
-            var ModbusServer01ByteBlock = ModbusServer01ByteBlocks[mAddress.Station];
-            var ModbusServer02ByteBlock = ModbusServer02ByteBlocks[mAddress.Station];
-            var ModbusServer03ByteBlock = ModbusServer03ByteBlocks[mAddress.Station];
-            var ModbusServer04ByteBlock = ModbusServer04ByteBlocks[mAddress.Station];
+
+            ModbusServer01ByteBlocks.TryGetValue(mAddress.Station, out var ModbusServer01ByteBlock);
+            ModbusServer02ByteBlocks.TryGetValue(mAddress.Station, out var ModbusServer02ByteBlock);
+            ModbusServer03ByteBlocks.TryGetValue(mAddress.Station, out var ModbusServer03ByteBlock);
+            ModbusServer04ByteBlocks.TryGetValue(mAddress.Station, out var ModbusServer04ByteBlock);
             if (read)
             {
                 using (new ReadLock(_lockSlim))
@@ -460,33 +477,31 @@ public class ModbusSlave : DeviceBase, IModbusAddress
         return mAddress;
     }
     /// <inheritdoc/>
-    public override async ValueTask<OperResult> WriteAsync(string address, ReadOnlyMemory<byte> value, DataTypeEnum dataType, CancellationToken cancellationToken = default)
+    public override ValueTask<OperResult> WriteAsync(string address, ReadOnlyMemory<byte> value, DataTypeEnum dataType, CancellationToken cancellationToken = default)
     {
         try
         {
-            await EasyValueTask.CompletedTask.ConfigureAwait(false);
             var mAddress = GetModbusAddress(address, Station);
             mAddress.SlaveWriteDatas = new(value);
-            return ModbusRequest(mAddress, false, cancellationToken);
+            return EasyValueTask.FromResult<OperResult>(ModbusRequest(mAddress, false, cancellationToken));
         }
         catch (Exception ex)
         {
-            return new OperResult(ex);
+            return EasyValueTask.FromResult(new OperResult(ex));
         }
     }
 
     /// <inheritdoc/>
-    public override async ValueTask<OperResult> WriteAsync(string address, ReadOnlyMemory<bool> value, CancellationToken cancellationToken = default)
+    public override ValueTask<OperResult> WriteAsync(string address, ReadOnlyMemory<bool> value, CancellationToken cancellationToken = default)
     {
         try
         {
-            await EasyValueTask.CompletedTask.ConfigureAwait(false);
             var mAddress = GetModbusAddress(address, Station);
             if (mAddress.IsBitFunction)
             {
                 mAddress.SlaveWriteDatas = new(value.Span.BoolToByte());
                 ModbusRequest(mAddress, false, cancellationToken);
-                return OperResult.Success;
+                return EasyValueTask.FromResult(OperResult.Success);
             }
             else
             {
@@ -494,7 +509,7 @@ public class ModbusSlave : DeviceBase, IModbusAddress
                 {
                     mAddress.Length = 2;
                     var readData = ModbusRequest(mAddress, true, cancellationToken);
-                    if (!readData.IsSuccess) return readData;
+                    if (!readData.IsSuccess) return EasyValueTask.FromResult<OperResult>(readData);
                     var writeData = TouchSocketBitConverter.BigEndian.To<ushort>(readData.Content.Span);
                     var span = value.Span;
                     for (int i = 0; i < value.Length; i++)
@@ -503,38 +518,44 @@ public class ModbusSlave : DeviceBase, IModbusAddress
                     }
                     mAddress.SlaveWriteDatas = new(ThingsGatewayBitConverter.GetBytes(writeData));
                     ModbusRequest(mAddress, false, cancellationToken);
-                    return OperResult.Success;
+                    return EasyValueTask.FromResult<OperResult>(OperResult.Success);
                 }
                 else
                 {
-                    return new OperResult(string.Format(AppResource.ValueOverlimit, nameof(mAddress.BitIndex), 16));
+                    return EasyValueTask.FromResult<OperResult>(new OperResult(string.Format(AppResource.ValueOverlimit, nameof(mAddress.BitIndex), 16)));
                 }
             }
         }
         catch (Exception ex)
         {
-            return new OperResult(ex);
+            return EasyValueTask.FromResult<OperResult>(new OperResult(ex));
         }
     }
-    protected override Task ChannelReceived(IClientChannel client, ReceivedDataEventArgs e, bool last)
+    protected override ValueTask ChannelReceived(IClientChannel client, ReceivedDataEventArgs e, bool last)
     {
         return HandleChannelReceivedAsync(client, e, last);
     }
 
-    private async Task HandleChannelReceivedAsync(IClientChannel client, ReceivedDataEventArgs e, bool last)
+    private ValueTask HandleChannelReceivedAsync(IClientChannel client, ReceivedDataEventArgs e, bool last)
     {
-        if (!TryParseRequest(e.RequestInfo, out var modbusRequest, out var sequences, out var modbusRtu))
+        return HandleChannelReceivedAsync(this, client, e);
+
+        static async PooledValueTask HandleChannelReceivedAsync(ModbusSlave @this, IClientChannel client, ReceivedDataEventArgs e)
+        {
+            if (!TryParseRequest(e.RequestInfo, out var modbusRequest, out var sequences, out var modbusRtu))
+                return;
+
+            if (!@this.MulStation && modbusRequest.Station != @this.Station)
+                return;
+
+            var function = NormalizeFunctionCode(modbusRequest.FunctionCode);
+
+            if (function <= 4)
+                await @this.HandleReadRequestAsync(client, e, modbusRequest, sequences, modbusRtu).ConfigureAwait(false);
+            else
+                await @this.HandleWriteRequestAsync(client, e, modbusRequest, sequences, modbusRtu, function).ConfigureAwait(false);
             return;
-
-        if (!MulStation && modbusRequest.Station != Station)
-            return;
-
-        var function = NormalizeFunctionCode(modbusRequest.FunctionCode);
-
-        if (function <= 4)
-            await HandleReadRequestAsync(client, e, modbusRequest, sequences, modbusRtu).ConfigureAwait(false);
-        else
-            await HandleWriteRequestAsync(client, e, modbusRequest, sequences, modbusRtu, function).ConfigureAwait(false);
+        }
     }
 
     private static bool TryParseRequest(object requestInfo, out ModbusRequest modbusRequest, out ReadOnlySequence<byte> sequences, out bool modbusRtu)
@@ -565,7 +586,7 @@ public class ModbusSlave : DeviceBase, IModbusAddress
     private static byte NormalizeFunctionCode(byte funcCode)
         => funcCode > 0x30 ? (byte)(funcCode - 0x30) : funcCode;
 
-    private async Task HandleReadRequestAsync(
+    private Task HandleReadRequestAsync(
         IClientChannel client,
         ReceivedDataEventArgs e,
         ModbusRequest modbusRequest,
@@ -575,27 +596,31 @@ public class ModbusSlave : DeviceBase, IModbusAddress
         var data = ModbusRequest(modbusRequest, true);
         if (!data.IsSuccess)
         {
-            await WriteError(modbusRtu, client, sequences, e).ConfigureAwait(false);
-            return;
+            return WriteError(modbusRtu, client, sequences, e);
         }
 
-        ValueByteBlock byteBlock = new(1024);
-        try
+        return Write(this, client, e, modbusRequest, sequences, modbusRtu, data);
+
+        static async PooledTask Write(ModbusSlave @this, IClientChannel client, ReceivedDataEventArgs e, ModbusRequest modbusRequest, ReadOnlySequence<byte> sequences, bool modbusRtu, OperResult<ReadOnlyMemory<byte>> data)
         {
-            WriteReadResponse(modbusRequest, sequences, data.Content, ref byteBlock, modbusRtu);
-            await ReturnData(client, byteBlock.Memory, e).ConfigureAwait(false);
-        }
-        catch
-        {
-            await WriteError(modbusRtu, client, sequences, e).ConfigureAwait(false);
-        }
-        finally
-        {
-            byteBlock.SafeDispose();
+            ValueByteBlock byteBlock = new(1024);
+            try
+            {
+                WriteReadResponse(modbusRequest, sequences, data.Content, ref byteBlock, modbusRtu);
+                await @this.ReturnData(client, byteBlock.Memory, e).ConfigureAwait(false);
+            }
+            catch
+            {
+                await @this.WriteError(modbusRtu, client, sequences, e).ConfigureAwait(false);
+            }
+            finally
+            {
+                byteBlock.SafeDispose();
+            }
         }
     }
 
-    private async Task HandleWriteRequestAsync(
+    private Task HandleWriteRequestAsync(
         IClientChannel client,
         ReceivedDataEventArgs e,
         ModbusRequest modbusRequest,
@@ -603,50 +628,62 @@ public class ModbusSlave : DeviceBase, IModbusAddress
         bool modbusRtu,
         byte f)
     {
-        var modbusAddress = new ModbusAddress(modbusRequest);
-        bool isSuccess;
+        return HandleWriteRequestAsync(this, client, e, modbusRequest, sequences, modbusRtu, f);
 
-        switch (f)
+
+        static async PooledTask HandleWriteRequestAsync(ModbusSlave @this, IClientChannel client, ReceivedDataEventArgs e, ModbusRequest modbusRequest, ReadOnlySequence<byte> sequences, bool modbusRtu, byte f)
         {
-            case 5:
-            case 15:
-                modbusAddress.WriteFunctionCode = modbusRequest.FunctionCode;
-                modbusAddress.FunctionCode = 1;
-                isSuccess = await HandleWriteCoreAsync(modbusAddress, client, modbusRequest).ConfigureAwait(false);
-                break;
+            var modbusAddress = new ModbusAddress(modbusRequest);
+            bool isSuccess;
 
-            case 6:
-            case 16:
-                modbusAddress.WriteFunctionCode = modbusRequest.FunctionCode;
-                modbusAddress.FunctionCode = 3;
-                isSuccess = await HandleWriteCoreAsync(modbusAddress, client, modbusRequest).ConfigureAwait(false);
-                break;
+            switch (f)
+            {
+                case 5:
+                case 15:
+                    modbusAddress.WriteFunctionCode = modbusRequest.FunctionCode;
+                    modbusAddress.FunctionCode = 1;
+                    isSuccess = await @this.HandleWriteCoreAsync(modbusAddress, client, modbusRequest).ConfigureAwait(false);
+                    break;
 
-            default:
-                return;
+                case 6:
+                case 16:
+                    modbusAddress.WriteFunctionCode = modbusRequest.FunctionCode;
+                    modbusAddress.FunctionCode = 3;
+                    isSuccess = await @this.HandleWriteCoreAsync(modbusAddress, client, modbusRequest).ConfigureAwait(false);
+                    break;
+
+                default:
+                    return;
+            }
+
+            if (isSuccess)
+                await @this.WriteSuccess(modbusRtu, client, sequences, e).ConfigureAwait(false);
+            else
+                await @this.WriteError(modbusRtu, client, sequences, e).ConfigureAwait(false);
+            return;
         }
-
-        if (isSuccess)
-            await WriteSuccess(modbusRtu, client, sequences, e).ConfigureAwait(false);
-        else
-            await WriteError(modbusRtu, client, sequences, e).ConfigureAwait(false);
     }
 
-    private async Task<bool> HandleWriteCoreAsync(ModbusAddress address, IClientChannel client, ModbusRequest modbusRequest)
+    private Task<bool> HandleWriteCoreAsync(ModbusAddress address, IClientChannel client, ModbusRequest modbusRequest)
     {
-        if (WriteData != null)
-        {
-            var result = await WriteData(address, ThingsGatewayBitConverter, client).ConfigureAwait(false);
-            if (!result.IsSuccess) return false;
-        }
+        return HandleWriteCoreAsync(this, address, client, modbusRequest);
 
-        if (IsWriteMemory)
+        static async PooledTask<bool> HandleWriteCoreAsync(ModbusSlave @this, ModbusAddress address, IClientChannel client, ModbusRequest modbusRequest)
         {
-            var memResult = ModbusRequest(modbusRequest, false);
-            return memResult.IsSuccess;
-        }
+            if (@this.WriteData != null)
+            {
+                var result = await @this.WriteData(address, @this.ThingsGatewayBitConverter, client).ConfigureAwait(false);
+                if (!result.IsSuccess) return false;
+            }
 
-        return true;
+            if (@this.IsWriteMemory)
+            {
+                var memResult = @this.ModbusRequest(modbusRequest, false);
+                return memResult.IsSuccess;
+            }
+
+            return true;
+        }
     }
 
     private static void WriteReadResponse(
@@ -681,63 +718,78 @@ public class ModbusSlave : DeviceBase, IModbusAddress
             ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Length - 6), EndianType.Big, 5);
     }
 
-    private async Task ReturnData(IClientChannel client, ReadOnlyMemory<byte> sendData, ReceivedDataEventArgs e)
+    private Task ReturnData(IClientChannel client, ReadOnlyMemory<byte> sendData, ReceivedDataEventArgs e)
     {
-        if (SendDelayTime > 0)
-            await Task.Delay(SendDelayTime).ConfigureAwait(false);
-        if (client is IUdpClientSender udpClientSender)
-            await udpClientSender.SendAsync(((UdpReceivedDataEventArgs)e).EndPoint, sendData).ConfigureAwait(false);
-        else
-            await client.SendAsync(sendData, client.ClosedToken).ConfigureAwait(false);
-    }
+        return ReturnData(SendDelayTime, client, sendData, e);
 
-    private async Task WriteError(bool modbusRtu, IClientChannel client, ReadOnlySequence<byte> bytes, ReceivedDataEventArgs e)
-    {
-        ValueByteBlock byteBlock = new(20);
-        try
+        static async PooledTask ReturnData(int deley, IClientChannel client, ReadOnlyMemory<byte> sendData, ReceivedDataEventArgs e)
         {
-            if (modbusRtu)
-            {
-                ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 2));
-                WriterExtension.WriteValue(ref byteBlock, (byte)1);
-                byteBlock.Write(CRC16Utils.Crc16Only(byteBlock.Span));
-                ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Span[1] + 128), EndianType.Big, 1);
-            }
+            if (deley > 0)
+                await Task.Delay(deley).ConfigureAwait(false);
+            if (client is IUdpClientSender udpClientSender)
+                await udpClientSender.SendAsync(((UdpReceivedDataEventArgs)e).EndPoint, sendData).ConfigureAwait(false);
             else
-            {
-                ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 8));
-                WriterExtension.WriteValue(ref byteBlock, (byte)1);
-                ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Length - 6), EndianType.Big, 5);
-                ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Span[7] + 128), EndianType.Big, 7);
-            }
-            await ReturnData(client, byteBlock.Memory, e).ConfigureAwait(false);
-        }
-        finally
-        {
-            byteBlock.SafeDispose();
+                await client.SendAsync(sendData, client.ClosedToken).ConfigureAwait(false);
         }
     }
 
-    private async Task WriteSuccess(bool modbusRtu, IClientChannel client, ReadOnlySequence<byte> bytes, ReceivedDataEventArgs e)
+    private Task WriteError(bool modbusRtu, IClientChannel client, ReadOnlySequence<byte> bytes, ReceivedDataEventArgs e)
     {
-        ValueByteBlock byteBlock = new(20);
-        try
+        return WriteError(this, modbusRtu, client, bytes, e);
+
+        static async PooledTask WriteError(ModbusSlave @this, bool modbusRtu, IClientChannel client, ReadOnlySequence<byte> bytes, ReceivedDataEventArgs e)
         {
-            if (modbusRtu)
+            ValueByteBlock byteBlock = new(20);
+            try
             {
-                ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 6));
-                byteBlock.Write(CRC16Utils.Crc16Only(byteBlock.Span));
+                if (modbusRtu)
+                {
+                    ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 2));
+                    WriterExtension.WriteValue(ref byteBlock, (byte)1);
+                    byteBlock.Write(CRC16Utils.Crc16Only(byteBlock.Span));
+                    ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Span[1] + 128), EndianType.Big, 1);
+                }
+                else
+                {
+                    ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 8));
+                    WriterExtension.WriteValue(ref byteBlock, (byte)1);
+                    ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Length - 6), EndianType.Big, 5);
+                    ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Span[7] + 128), EndianType.Big, 7);
+                }
+                await @this.ReturnData(client, byteBlock.Memory, e).ConfigureAwait(false);
             }
-            else
+            finally
             {
-                ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 12));
-                ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Length - 6), EndianType.Big, 5);
+                byteBlock.SafeDispose();
             }
-            await ReturnData(client, byteBlock.Memory, e).ConfigureAwait(false);
         }
-        finally
+    }
+
+    private Task WriteSuccess(bool modbusRtu, IClientChannel client, ReadOnlySequence<byte> bytes, ReceivedDataEventArgs e)
+    {
+        return WriteSuccess(this, modbusRtu, client, bytes, e);
+
+        static async PooledTask WriteSuccess(ModbusSlave @this, bool modbusRtu, IClientChannel client, ReadOnlySequence<byte> bytes, ReceivedDataEventArgs e)
         {
-            byteBlock.SafeDispose();
+            ValueByteBlock byteBlock = new(20);
+            try
+            {
+                if (modbusRtu)
+                {
+                    ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 6));
+                    byteBlock.Write(CRC16Utils.Crc16Only(byteBlock.Span));
+                }
+                else
+                {
+                    ByteBlockExtension.Write(ref byteBlock, bytes.Slice(0, 12));
+                    ByteBlockExtension.WriteBackValue(ref byteBlock, (byte)(byteBlock.Length - 6), EndianType.Big, 5);
+                }
+                await @this.ReturnData(client, byteBlock.Memory, e).ConfigureAwait(false);
+            }
+            finally
+            {
+                byteBlock.SafeDispose();
+            }
         }
     }
 

src/Plugin/ThingsGateway.Foundation.OpcUa/OpcUaMaster/OpcUaMaster.cs

@@ -395,18 +395,17 @@ public class OpcUaMaster : IAsyncDisposable
     /// <summary>
     /// 连接到服务器
     /// </summary>
-    public async Task ConnectAsync(CancellationToken cancellationToken)
+    public Task ConnectAsync(CancellationToken cancellationToken)
     {
-        await ConnectAsync(OpcUaProperty.OpcUrl, cancellationToken).ConfigureAwait(false);
+        return ConnectAsync(OpcUaProperty.OpcUrl, cancellationToken);
     }
 
     /// <summary>
     /// 断开连接。
     /// </summary>
-    public async Task DisconnectAsync()
+    public Task DisconnectAsync()
     {
-        await PrivateDisconnectAsync().ConfigureAwait(false);
-
+        return PrivateDisconnectAsync();
     }
 
     public async ValueTask DisposeAsync()

src/Plugin/ThingsGateway.Foundation.SiemensS7/S7/SiemensS7Master.cs

@@ -8,6 +8,8 @@
 //  QQ群：605534569
 //------------------------------------------------------------------------------
 
+using PooledAwait;
+
 using ThingsGateway.Foundation.Extension.String;
 using ThingsGateway.NewLife;
 using ThingsGateway.NewLife.Extension;
@@ -144,71 +146,76 @@ public partial class SiemensS7Master : DeviceBase
     /// <summary>
     /// 此方法并不会智能分组以最大化效率，减少传输次数，因为返回值是byte[]，所以一切都按地址数组的顺序执行，最后合并数组
     /// </summary>
-    public async ValueTask<OperResult<ReadOnlyMemory<byte>>> S7ReadAsync(
+    public ValueTask<OperResult<ReadOnlyMemory<byte>>> S7ReadAsync(
         SiemensS7Address[] addresses,
         CancellationToken cancellationToken = default)
     {
-        var byteBuffer = new ValueByteBlock(512);
+        return S7ReadAsync(this, addresses, cancellationToken);
 
-        try
+        static async PooledValueTask<OperResult<ReadOnlyMemory<byte>>> S7ReadAsync(SiemensS7Master @this, SiemensS7Address[] addresses, CancellationToken cancellationToken)
         {
-            foreach (var address in addresses)
+            var byteBuffer = new ValueByteBlock(512);
+
+            try
             {
-                int readCount = 0;
-                int totalLength = address.Length == 0 ? 1 : address.Length;
-                int originalStart = address.AddressStart;
-
-                try
+                foreach (var address in addresses)
                 {
-                    while (readCount < totalLength)
+                    int readCount = 0;
+                    int totalLength = address.Length == 0 ? 1 : address.Length;
+                    int originalStart = address.AddressStart;
+
+                    try
                     {
-                        // 每次读取的 PDU 长度，循环直到读取完整
-                        int chunkLength = Math.Min(totalLength - readCount, PduLength);
-                        address.Length = chunkLength;
-
-                        var result = await SendThenReturnAsync(
-                            new S7Send([address], true),
-                            cancellationToken: cancellationToken
-                        ).ConfigureAwait(false);
-
-                        if (!result.IsSuccess)
-                            return result;
-
-                        byteBuffer.Write(result.Content.Span);
-
-                        if (readCount + chunkLength >= totalLength)
+                        while (readCount < totalLength)
                         {
-                            if (addresses.Length == 1)
-                            {
+                            // 每次读取的 PDU 长度，循环直到读取完整
+                            int chunkLength = Math.Min(totalLength - readCount, @this.PduLength);
+                            address.Length = chunkLength;
+
+                            var result = await @this.SendThenReturnAsync(
+                                new S7Send([address], true),
+                                cancellationToken: cancellationToken
+                            ).ConfigureAwait(false);
+
+                            if (!result.IsSuccess)
                                 return result;
+
+                            byteBuffer.Write(result.Content.Span);
+
+                            if (readCount + chunkLength >= totalLength)
+                            {
+                                if (addresses.Length == 1)
+                                {
+                                    return result;
+                                }
+                                break;
                             }
-                            break;
+
+                            readCount += chunkLength;
+
+                            // 更新地址起点
+                            if (address.DataCode == S7Area.TM || address.DataCode == S7Area.CT)
+                                address.AddressStart += chunkLength / 2;
+                            else
+                                address.AddressStart += chunkLength * 8;
                         }
-
-                        readCount += chunkLength;
-
-                        // 更新地址起点
-                        if (address.DataCode == S7Area.TM || address.DataCode == S7Area.CT)
-                            address.AddressStart += chunkLength / 2;
-                        else
-                            address.AddressStart += chunkLength * 8;
+                    }
+                    finally
+                    {
+                        address.AddressStart = originalStart;
                     }
                 }
-                finally
-                {
-                    address.AddressStart = originalStart;
-                }
-            }
 
-            return new OperResult<ReadOnlyMemory<byte>> { Content = byteBuffer.ToArray() };
-        }
-        catch (Exception ex)
-        {
-            return new OperResult<ReadOnlyMemory<byte>>(ex);
-        }
-        finally
-        {
-            byteBuffer.SafeDispose();
+                return new OperResult<ReadOnlyMemory<byte>> { Content = byteBuffer.ToArray() };
+            }
+            catch (Exception ex)
+            {
+                return new OperResult<ReadOnlyMemory<byte>>(ex);
+            }
+            finally
+            {
+                byteBuffer.SafeDispose();
+            }
         }
     }
 
@@ -216,79 +223,65 @@ public partial class SiemensS7Master : DeviceBase
     /// <summary>
     /// 此方法并不会智能分组以最大化效率，减少传输次数，因为返回值是byte[]，所以一切都按地址数组的顺序执行，最后合并数组
     /// </summary>
-    public async ValueTask<Dictionary<SiemensS7Address, OperResult>> S7WriteAsync(
+    public ValueTask<Dictionary<SiemensS7Address, OperResult>> S7WriteAsync(
     SiemensS7Address[] addresses,
     CancellationToken cancellationToken = default)
     {
-        var dictOperResult = new Dictionary<SiemensS7Address, OperResult>();
+        return S7WriteAsync(this, addresses, cancellationToken);
 
-        void SetFailOperResult(OperResult operResult)
+        static async PooledValueTask<Dictionary<SiemensS7Address, OperResult>> S7WriteAsync(SiemensS7Master @this, SiemensS7Address[] addresses, CancellationToken cancellationToken)
         {
-            foreach (var address in addresses)
-            {
-                dictOperResult.TryAdd(address, operResult);
-            }
-        }
+            var dictOperResult = new Dictionary<SiemensS7Address, OperResult>();
 
-        var firstAddress = addresses[0];
-
-        // 单位写入（位写入）
-        if (addresses.Length <= 1 && firstAddress.IsBit)
-        {
-            var byteBuffer = new ValueByteBlock(512);
-            try
+            void SetFailOperResult(OperResult operResult)
             {
-                var writeResult = await SendThenReturnAsync(
-                    new S7Send([firstAddress], false),
-                    cancellationToken: cancellationToken
-                ).ConfigureAwait(false);
-
-                dictOperResult.TryAdd(firstAddress, writeResult);
-                return dictOperResult;
-            }
-            catch (Exception ex)
-            {
-                SetFailOperResult(new OperResult(ex));
-                return dictOperResult;
-            }
-            finally
-            {
-                byteBuffer.SafeDispose();
-            }
-        }
-        else
-        {
-            // 多写入
-            var addressChunks = new List<List<SiemensS7Address>>();
-            ushort dataLength = 0;
-            ushort itemCount = 1;
-            var currentChunk = new List<SiemensS7Address>();
-
-            for (int i = 0; i < addresses.Length; i++)
-            {
-                var address = addresses[i];
-                dataLength += (ushort)(address.Data.Length + 4);
-                ushort telegramLength = (ushort)(itemCount * 12 + 19 + dataLength);
-
-                if (telegramLength < PduLength)
+                foreach (var address in addresses)
                 {
-                    currentChunk.Add(address);
-                    itemCount++;
-
-                    if (i == addresses.Length - 1)
-                        addressChunks.Add(currentChunk);
+                    dictOperResult.TryAdd(address, operResult);
                 }
-                else
+            }
+
+            var firstAddress = addresses[0];
+
+            // 单位写入（位写入）
+            if (addresses.Length <= 1 && firstAddress.IsBit)
+            {
+                var byteBuffer = new ValueByteBlock(512);
+                try
                 {
-                    addressChunks.Add(currentChunk);
-                    currentChunk = new List<SiemensS7Address>();
-                    dataLength = 0;
-                    itemCount = 1;
+                    var writeResult = await @this.SendThenReturnAsync(
+                        new S7Send([firstAddress], false),
+                        cancellationToken: cancellationToken
+                    ).ConfigureAwait(false);
 
+                    dictOperResult.TryAdd(firstAddress, writeResult);
+                    return dictOperResult;
+                }
+                catch (Exception ex)
+                {
+                    SetFailOperResult(new OperResult(ex));
+                    return dictOperResult;
+                }
+                finally
+                {
+                    byteBuffer.SafeDispose();
+                }
+            }
+            else
+            {
+                // 多写入
+                var addressChunks = new List<List<SiemensS7Address>>();
+                ushort dataLength = 0;
+                ushort itemCount = 1;
+                var currentChunk = new List<SiemensS7Address>();
+
+                for (int i = 0; i < addresses.Length; i++)
+                {
+                    var address = addresses[i];
                     dataLength += (ushort)(address.Data.Length + 4);
-                    telegramLength = (ushort)(itemCount * 12 + 19 + dataLength);
+                    ushort telegramLength = (ushort)(itemCount * 12 + 19 + dataLength);
 
-                    if (telegramLength < PduLength)
+                    if (telegramLength < @this.PduLength)
                     {
                         currentChunk.Add(address);
                         itemCount++;
@@ -298,34 +291,53 @@ public partial class SiemensS7Master : DeviceBase
                     }
                     else
                     {
-                        SetFailOperResult(new OperResult("Write length exceeds limit"));
+                        addressChunks.Add(currentChunk);
+                        currentChunk = new List<SiemensS7Address>();
+                        dataLength = 0;
+                        itemCount = 1;
+
+                        dataLength += (ushort)(address.Data.Length + 4);
+                        telegramLength = (ushort)(itemCount * 12 + 19 + dataLength);
+
+                        if (telegramLength < @this.PduLength)
+                        {
+                            currentChunk.Add(address);
+                            itemCount++;
+
+                            if (i == addresses.Length - 1)
+                                addressChunks.Add(currentChunk);
+                        }
+                        else
+                        {
+                            SetFailOperResult(new OperResult("Write length exceeds limit"));
+                            return dictOperResult;
+                        }
+                    }
+                }
+
+                foreach (var chunk in addressChunks)
+                {
+                    try
+                    {
+                        var result = await @this.SendThenReturnAsync(
+                            new S7Send(chunk.ToArray(), false),
+                            cancellationToken: cancellationToken
+                        ).ConfigureAwait(false);
+
+                        foreach (var addr in chunk)
+                        {
+                            dictOperResult.TryAdd(addr, result);
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        SetFailOperResult(new OperResult(ex));
                         return dictOperResult;
                     }
                 }
+
+                return dictOperResult;
             }
-
-            foreach (var chunk in addressChunks)
-            {
-                try
-                {
-                    var result = await SendThenReturnAsync(
-                        new S7Send(chunk.ToArray(), false),
-                        cancellationToken: cancellationToken
-                    ).ConfigureAwait(false);
-
-                    foreach (var addr in chunk)
-                    {
-                        dictOperResult.TryAdd(addr, result);
-                    }
-                }
-                catch (Exception ex)
-                {
-                    SetFailOperResult(new OperResult(ex));
-                    return dictOperResult;
-                }
-            }
-
-            return dictOperResult;
         }
     }