Merge branch 'master' of https://gitee.com/dotnetchina/ThingsGateway

framework/ThingsGateway.Application/Model/DeviceVariableRunTime.cs

@@ -1,4 +1,4 @@
-#region copyright
+#region copyright
 //------------------------------------------------------------------------------
 //  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
@@ -137,7 +137,7 @@ public class DeviceVariableRunTime : DeviceVariable
             }
             CollectTime = time;
             {
-                if ((data?.ToString() != _value?.ToString() && LastSetValue?.ToString() != data?.ToString()) || isOnlineChanged)
+                if ((data?.ToString() != _value?.ToString() ) || isOnlineChanged)
                 {
                     ChangeTime = time;