diff --git a/lib/main.dart b/lib/main.dart
index fd51fc7..238a79b 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -57,7 +57,10 @@ class QlAppState extends ConsumerState<QlApp> {
       child: MediaQuery(
         data: MediaQueryData.fromWindow(WidgetsBinding.instance!.window).copyWith(textScaleFactor: 1,),
         child: MaterialApp(
-          locale: const Locale('zh', 'cn'),
+          locale: const Locale('zh', 'CN'),
+          supportedLocales: const [
+            Locale('zh', 'CN'),
+          ],
           navigatorKey: navigatorState,
           theme: ref.watch<ThemeViewModel>(themeProvider).currentTheme,
           onGenerateRoute: (setting) {