diff --git a/Modules/Mainframe/TMs/Routines/TMBaseRoutine.cs b/Modules/Mainframe/TMs/Routines/TMBaseRoutine.cs
index aedfe7f..80e50e3 100644
--- a/Modules/Mainframe/TMs/Routines/TMBaseRoutine.cs
+++ b/Modules/Mainframe/TMs/Routines/TMBaseRoutine.cs
@@ -403,13 +403,13 @@ namespace Mainframe.TMs.Routines
                 {
                     if (!robot.IsWaferPresenceOnBlade1 && WaferManager.Instance.CheckHasTray(ModuleHelper.Converter(robot.Module), 0))
                     {
-                        strMessage = "Robort sensor no wafer and UI have tray!";
+                        strMessage = "TM Robot sensed no tray but UI has a tray, Please check and adjust the sensor!";
                         return false;
                     }
 
                     if (robot.IsWaferPresenceOnBlade1 && !WaferManager.Instance.CheckHasTray(ModuleHelper.Converter(robot.Module), 0))
                     {
-                        strMessage = "Robort sensor have wafer and UI no tray!";
+                        strMessage = "TM Robot sensed tray but UI has no tray, Please check and adjust the sensor!";
                         return false;
                     }
                 }
@@ -418,13 +418,13 @@ namespace Mainframe.TMs.Routines
                 {
                     if (robot.IsWaferPresenceOnBlade2 && !WaferManager.Instance.CheckHasTray(ModuleHelper.Converter(robot.Module), 1))
                     {
-                        EV.PostWarningLog(Module, "TM Robot sensor found wafer on blade 2");
+                        EV.PostWarningLog(Module, "TM Robot sensed a tray on blade 2");
                         return false;
                     }
 
                     if (!robot.IsWaferPresenceOnBlade2 && !WaferManager.Instance.CheckHasTray(ModuleHelper.Converter(robot.Module), 1))
                     {
-                        EV.PostWarningLog(Module, "TM Robot sensor no wafer on blade 2");
+                        EV.PostWarningLog(Module, "TM Robot didn't sensed tray on blade 2");
                         return false;
                     }
                 }
@@ -436,7 +436,7 @@ namespace Mainframe.TMs.Routines
             {
                 if (ret.Item2 == Result.TIMEOUT)
                 {
-                    Stop($"check wafer info failed." + strMessage);
+                    Stop($"Checking tray presence signal failed." + strMessage);
                     throw (new RoutineFaildException());
                 }
                 else