fix：增加漏传的文件

lib/container/navigator_observer.dart

+import 'package:flutter_boost/container/boost_container.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_boost/AIOService/NavigationService/service/NavigationService.dart';
+
+
+class NavigatorCanPopObserver extends BoostNavigatorObserver{
+  @override
+  void didPush(Route route, Route previousRoute) {
+    super.didPush(route, previousRoute);
+    _noticeCanPopToNative(route);
+  }
+
+  @override
+  void didPop(Route route, Route previousRoute) {
+    // TODO: implement didPop
+    super.didPop(route, previousRoute);
+    _noticeCanPopToNative(route);
+  }
+  
+  
+
+  _noticeCanPopToNative(Route route){
+    bool canPop = route.navigator.canPop();
+    NavigationService.flutterCanPop(canPop);
+  }
+}
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