diff --git a/Service/Execute/Step/CarPrepareState.cs b/Service/Execute/Step/CarPrepareState.cs
index 8abec6e..1ba6495 100644
--- a/Service/Execute/Step/CarPrepareState.cs
+++ b/Service/Execute/Step/CarPrepareState.cs
@@ -184,7 +184,7 @@ public class CarPrepareState : IState
     /// <returns></returns>
     public InvokeStatus CheckTBoxConnectFlag(SwappingStateMachine machine)
     {
-        return Invoker.Invoke("check TBox connect", 1000, 20, machine.IsCanceled,
+        return Invoker.Invoke("check TBox connect", 1000, 100, machine.IsCanceled,
             () => machine.BoxConnectFlag, () =>
             {
                 Task<bool> result = TBoxApi.IsConnected();
@@ -193,13 +193,14 @@ public class CarPrepareState : IState
                 {
                     machine.BoxConnectFlag = true;
                 }
-            }, () => { machine.ExceptionReason = ExceptionReason.ConnTBoxError; }, false, () =>
+            }, () => { machine.ExceptionReason = ExceptionReason.ConnTBoxError;
+                SoundTool.PlayOneSound((int)InfoEnum.SwapInfo.ErrorTBoxConn);}, false, () =>
             {
                 machine.ExceptionReason = ExceptionReason.ConnTBoxError;
               //  machine.LedTool?.WriteProgramContent(InfoEnum.SwapInfo.ErrorTBoxConn.GetLed());
-                SoundTool.PlayOneSound((int)InfoEnum.SwapInfo.ErrorTBoxConn);
+               
             }
-            , 10, InvokeStatus.None);
+            , 30, InvokeStatus.None);
     }