diff --git a/AsbCloudInfrastructure/Background/BackgroundWorker.cs b/AsbCloudInfrastructure/Background/BackgroundWorker.cs
index 825f1b66..1c641019 100644
--- a/AsbCloudInfrastructure/Background/BackgroundWorker.cs
+++ b/AsbCloudInfrastructure/Background/BackgroundWorker.cs
@@ -31,6 +31,7 @@ public class BackgroundWorker : BackgroundService
     /// Работа выполняемая в данный момент
     /// </summary>
     public Work? CurrentWork;
+    private bool isRuning;
 
     /// <summary>
     /// последние 16 завершившиеся с ошибкой
@@ -54,6 +55,9 @@ public class BackgroundWorker : BackgroundService
 
     protected override async Task ExecuteAsync(CancellationToken token)
     {
+        if (isRuning)
+            return;
+        isRuning = true;
         Trace.TraceInformation($"{GetType().Name} started");
         while (!token.IsCancellationRequested && works.TryDequeue(out CurrentWork))
         {
@@ -82,6 +86,7 @@ public class BackgroundWorker : BackgroundService
                 Trace.TraceError(MainLoopLastException);
             }
         }
+        isRuning = false;
     }
 
     /// <summary>
@@ -96,7 +101,7 @@ public class BackgroundWorker : BackgroundService
     {
         works.Enqueue(work);
         if (ExecuteTask is null || ExecuteTask.IsCompleted)
-            StartAsync(CancellationToken.None).Wait();
+            StartAsync(CancellationToken.None);
     }
 
     /// <summary>
diff --git a/AsbCloudInfrastructure/Background/PeriodicBackgroundWorker.cs b/AsbCloudInfrastructure/Background/PeriodicBackgroundWorker.cs
index edc3aa8e..0a7e96dd 100644
--- a/AsbCloudInfrastructure/Background/PeriodicBackgroundWorker.cs
+++ b/AsbCloudInfrastructure/Background/PeriodicBackgroundWorker.cs
@@ -103,7 +103,7 @@ public class PeriodicBackgroundWorker : BackgroundService
         var periodic = new WorkPeriodic(work, period);
         works.Add(periodic);
         if (ExecuteTask is null || ExecuteTask.IsCompleted)
-            StartAsync(CancellationToken.None).Wait();
+            StartAsync(CancellationToken.None);
     }
 
     private WorkPeriodic? GetNext()