opt.

lib/view/page/ping.dart

@@ -8,7 +8,6 @@ import 'package:toolbox/core/extension/context/snackbar.dart';
 import 'package:toolbox/core/extension/uint8list.dart';
 import 'package:toolbox/core/utils/share.dart';
 import 'package:toolbox/data/res/provider.dart';
-import 'package:toolbox/view/widget/value_notifier.dart';
 
 import '../../data/model/server/ping_result.dart';
 import '../../data/res/color.dart';
@@ -49,9 +48,9 @@ class _PingPageState extends State<PingPage>
   Widget build(BuildContext context) {
     super.build(context);
     return Scaffold(
-      body: ValueBuilder(
+      body: ListenableBuilder(
         listenable: _results,
-        build: _buildBody,
+        builder: (_, __) => _buildBody(),
       ),
       floatingActionButton: _buildFAB(),
     );