# 『Flutter』 Debug標誌刪除 debugShowCheckedModeBanner : false ```= import 'package:flutter/material.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'FlutTube', theme: ThemeData( primarySwatch: Colors.blue, ), debugShowCheckedModeBanner: false, // 去除右上方Debug標誌 home: , ); } } ``` ###### tags: `Flutter`