diff --git a/LunaHook/resource/lunajspatch.js b/LunaHook/resource/lunajspatch.js
index fa5fb2c..1ecfb1a 100644
--- a/LunaHook/resource/lunajspatch.js
+++ b/LunaHook/resource/lunajspatch.js
@@ -34,16 +34,19 @@ function Electronhook() {
 }
 function retryinject(times){
     if(times==0)return;
-    
-    if(window && window.tyrano && tyrano.plugin){
-        Electronhook();
+    try{
+        if(window.tyrano && tyrano.plugin){
+            Electronhook();
+        }
+        else if(window.Utils && Utils.RPGMAKER_NAME){
+            NWjshook();
+        }
+        else{ 
+            setTimeout(retryinject,3000,times-1);
+        }
     }
-    else if(window && window.Utils && Utils.RPGMAKER_NAME){
-        NWjshook();
+    catch(err){
+        //非主线程，甚至没有window对象，会弹窗报错
     }
-    else{ 
-        setTimeout(retryinject,3000,times-1);
-    }
-    
 }
 setTimeout(retryinject,3000,3);
\ No newline at end of file