diff --git a/Rs.DeweyTester/Home.cs b/Rs.DeweyTester/Home.cs
index ac3ac9e..55aabdc 100644
--- a/Rs.DeweyTester/Home.cs
+++ b/Rs.DeweyTester/Home.cs
@@ -553,19 +553,19 @@ namespace Rs.MotionPlat
             //    //lblMachineState.Text=MachineManage.Instance.MachineStatus.ToString();
             //}
 
-            long idleCount = GetIdleTick();
-            if(idleCount> 1000 * 60 * 3)
-            {
-                if(!string.IsNullOrEmpty(GlobalUser.UserName))
-                {
-                    GlobalUser.UserName = "";
-                    if(btnPermission.ShowText.IndexOf("-")>=0)
-                    {
-                        btnPermission.ShowText = btnPermission.ShowText.Substring(0, btnPermission.ShowText.IndexOf("-"));
-                        btnPermission.Invalidate();
-                    }
-                }
-            }
+            //long idleCount = GetIdleTick();
+            //if(idleCount> 1000 * 60 * 3)
+            //{
+            //    if(!string.IsNullOrEmpty(GlobalUser.UserName))
+            //    {
+            //        GlobalUser.UserName = "";
+            //        if(btnPermission.ShowText.IndexOf("-")>=0)
+            //        {
+            //            btnPermission.ShowText = btnPermission.ShowText.Substring(0, btnPermission.ShowText.IndexOf("-"));
+            //            btnPermission.Invalidate();
+            //        }
+            //    }
+            //}
            
             if (MonitorSystemButton.Instance.GetStep() != lblMonitorFlow.Text.Replace("Monitor:", ""))
             {