diff --git a/Assets/HTC.UnityPlugin/VRModule/Editor/VRModuleManagerEditor.cs b/Assets/HTC.UnityPlugin/VRModule/Editor/VRModuleManagerEditor.cs
index 1208684c..9aa1465e 100644
--- a/Assets/HTC.UnityPlugin/VRModule/Editor/VRModuleManagerEditor.cs
+++ b/Assets/HTC.UnityPlugin/VRModule/Editor/VRModuleManagerEditor.cs
@@ -362,7 +362,8 @@ public void OnActiveBuildTargetChanged(BuildTarget previousTarget, BuildTarget n
         }
 #endif
 
-        [DidReloadScripts]
+        //[DidReloadScripts]
+        [MenuItem("Tool/VIU/UpdateScriptingDefineSymbols")]
         public static void UpdateScriptingDefineSymbols()
         {
             if (!s_isUpdatingScriptingDefineSymbols)