mod: 控制器监听事件移除

lib/pages/member/view.dart

@@ -43,6 +43,12 @@ class _MemberPageState extends State<MemberPage>
     );
   }
 
+  @override
+  void dispose() {
+    _extendNestCtr.removeListener(() {});
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(