fix

src/modules/root/Main.jsx

@@ -10,21 +10,26 @@ function Main(props) {
   console.log("menuType", menuType);
   console.log("menuType", menuType);
 
 
   useEffect(() => {
   useEffect(() => {
-    Bus.bind('showRouteChangeModal', () => {
-      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',
-        okText: '确认返回',
-        cancelText: '留在本页',
-        icon: <span className='icon iconfont default-confirm-icon'>&#xe6f4;</span>,
-        onOk: () => {
-          routeHook.leave()
-        },
-      
-      });
-    })
+    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',
+      okText: '确认返回',
+      cancelText: '留在本页',
+      icon: <span className='icon iconfont default-confirm-icon'>&#xe6f4;</span>,
+      onOk: () => {
+        routeHook.leave()
+      },
+    
+    });
+  }
+
 
 
   return (
   return (
     <div
     <div