diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index fbc26db9d..d91f383db 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,9 +1,9 @@
 <Project>
 
 	<PropertyGroup>
-		<PluginVersion>10.11.27</PluginVersion>
-		<ProPluginVersion>10.11.27</ProPluginVersion>
-		<DefaultVersion>10.11.27</DefaultVersion>
+		<PluginVersion>10.11.28</PluginVersion>
+		<ProPluginVersion>10.11.28</ProPluginVersion>
+		<DefaultVersion>10.11.28</DefaultVersion>
 		<AuthenticationVersion>10.11.3</AuthenticationVersion>
 		<SourceGeneratorVersion>10.11.3</SourceGeneratorVersion>
 		<NET8Version>8.0.19</NET8Version>
diff --git a/src/Foundation/ThingsGateway.Foundation/Channel/Plugin/PluginUtil.cs b/src/Foundation/ThingsGateway.Foundation/Channel/Plugin/PluginUtil.cs
index 6a7e01962..bb58ec434 100644
--- a/src/Foundation/ThingsGateway.Foundation/Channel/Plugin/PluginUtil.cs
+++ b/src/Foundation/ThingsGateway.Foundation/Channel/Plugin/PluginUtil.cs
@@ -42,7 +42,7 @@ public static class PluginUtil
                     }
                     else
                     {
-                        if (failCount > 3)
+                        if (failCount > 1)
                         {
                             return Task.FromResult(ConnectionCheckResult.Dead);
                         }
diff --git a/src/Foundation/ThingsGateway.Foundation/ThingsGateway.Foundation.csproj b/src/Foundation/ThingsGateway.Foundation/ThingsGateway.Foundation.csproj
index 0420ef253..343db21a9 100644
--- a/src/Foundation/ThingsGateway.Foundation/ThingsGateway.Foundation.csproj
+++ b/src/Foundation/ThingsGateway.Foundation/ThingsGateway.Foundation.csproj
@@ -11,8 +11,8 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Extensions.Localization.Abstractions" Version="$(NET9Version)" />
-		<PackageReference Include="TouchSocket" Version="4.0.0-beta.20" />
-		<PackageReference Include="TouchSocket.SerialPorts" Version="4.0.0-beta.20" />
+		<PackageReference Include="TouchSocket" Version="4.0.0-beta.21" />
+		<PackageReference Include="TouchSocket.SerialPorts" Version="4.0.0-beta.21" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/src/Gateway/ThingsGateway.Gateway.Application/ThingsGateway.Gateway.Application.csproj b/src/Gateway/ThingsGateway.Gateway.Application/ThingsGateway.Gateway.Application.csproj
index 16780e900..e03f86800 100644
--- a/src/Gateway/ThingsGateway.Gateway.Application/ThingsGateway.Gateway.Application.csproj
+++ b/src/Gateway/ThingsGateway.Gateway.Application/ThingsGateway.Gateway.Application.csproj
@@ -11,9 +11,9 @@
 		<PackageReference Include="Riok.Mapperly" Version="4.2.1" ExcludeAssets="runtime" PrivateAssets="all" />
 		<PackageReference Include="Rougamo.Fody" Version="5.0.1" />
 		<PackageReference Include="System.Linq.Async" Version="6.0.3" />
-		<PackageReference Include="TouchSocket.Dmtp" Version="4.0.0-beta.20" />
-		<!--<PackageReference Include="TouchSocket.WebApi.Swagger" Version="4.0.0-beta.20" />-->
-		<PackageReference Include="TouchSocket.WebApi" Version="4.0.0-beta.20" />
+		<PackageReference Include="TouchSocket.Dmtp" Version="4.0.0-beta.21" />
+		<!--<PackageReference Include="TouchSocket.WebApi.Swagger" Version="4.0.0-beta.21" />-->
+		<PackageReference Include="TouchSocket.WebApi" Version="4.0.0-beta.21" />
 		<PackageReference Include="ThingsGateway.Authentication" Version="$(AuthenticationVersion)" />
 		<!--<ProjectReference Include="..\..\PluginPro\ThingsGateway.Authentication\ThingsGateway.Authentication.csproj" />-->