fix bugs

screens/HomeScreen.tsx

@@ -287,7 +287,7 @@ export default class HomeScreen extends Component<any, HomeScreenState> {
 
     componentWillUnmount() {
         proxyBackgroundService.setNotificationTapHandler(null);
-        this.stopProxyClient();
+        void this.stopProxyClient();
         this.appStateSubscription?.remove();
     }
 
@@ -348,10 +348,10 @@ export default class HomeScreen extends Component<any, HomeScreenState> {
         }
     }
 
-    stopProxyClient() {
+    async stopProxyClient() {
         try {
-            void proxyBackgroundService.syncRebindConfig(null);
+            await proxyBackgroundService.syncRebindConfig(null);
-            proxyBackgroundService.stop();
+            await proxyBackgroundService.stop();
         } catch {
             /* ignore */
         }