diff --git a/JiLinApp.Docking/VibrateAlarm/Service/AsyncTcpServer.cs b/JiLinApp.Docking/VibrateAlarm/Service/AsyncTcpServer.cs
index 196bc5f..e12d00a 100644
--- a/JiLinApp.Docking/VibrateAlarm/Service/AsyncTcpServer.cs
+++ b/JiLinApp.Docking/VibrateAlarm/Service/AsyncTcpServer.cs
@@ -231,7 +231,7 @@ public class AsyncTcpServer : IDisposable
         }
         catch (Exception)
         {
-            throw;
+            return;
         }
         if (readBytesNum == 0)
         {
@@ -307,7 +307,6 @@ public class AsyncTcpServer : IDisposable
         }
         catch (Exception)
         {
-            throw;
         }
     }
 
@@ -363,7 +362,6 @@ public class AsyncTcpServer : IDisposable
         }
         catch (Exception)
         {
-            throw;
         }
     }
 
@@ -402,7 +400,13 @@ public class AsyncTcpServer : IDisposable
 
     private void HandleDatagramWritten(IAsyncResult ar)
     {
-        (ar.AsyncState as TcpClient)?.GetStream().EndWrite(ar);
+        try
+        {
+            (ar.AsyncState as TcpClient)?.GetStream().EndWrite(ar);
+        }
+        catch (Exception)
+        {
+        }
     }
 
     #endregion Send