为什么当我杀死项目，它显示点击文本，但当我刷新它写在中心页rote未定义的意思是开关情况下的语句是默认的。它重复所有的时间为什么？？任何人都可以请解决我的问题

class Routes{
  static Route<dynamic> generateRoute(RouteSettings settings){
    switch(settings.name){
      case RoutesName.home:
        return MaterialPageRoute(builder: (context)=>home_screen());

      case RoutesName.login:
        return MaterialPageRoute(builder: (context)=>login());
      default:
        return MaterialPageRoute(builder: (context){
          return Scaffold(
            body: Center(child: Text("No Rote defined"),),
          );
        });
    }
  }
}

class RoutesName{
  ///account routes name
  static const String login="login";
  ///home-screen routes name
  static const String home="home_screen";

}

return Scaffold(
      body: Center(child: InkWell(
          onTap: (){
            utils.flushBarErrorMessage("No internet connection", context);

          },
          child: Text("Click"))),
    );

return const MaterialApp(
      debugShowCheckedModeBanner: false,
      themeMode: ThemeMode.dark,
    home: login(),
      onGenerateRoute: Routes.generateRoute,
    );