fix

src/modules/root/Main.jsx

@@ -10,7 +10,13 @@ function Main(props) {
   console.log("menuType", menuType);
 
   useEffect(() => {
-    Bus.bind('showRouteChangeModal', () => {
+    Bus.bind('showRouteChangeModal',showModal )
+    return ()=>{
+      Bus.unbind('showRouteChangeModal',showModal)
+    }
+  }, [])
+
+  function showModal(){
     Modal.confirm({
       title: '确定要返回吗？',
       content: '返回后，本次编辑的内容将不被保存',
@@ -22,8 +28,7 @@ function Main(props) {
       },
     
     });
-    })
-  }, [])
+  }
 
 
   return (