diff --git a/assets/translations/en-US.json b/assets/translations/en.json
similarity index 100%
rename from assets/translations/en-US.json
rename to assets/translations/en.json
diff --git a/assets/translations/zh-CN.json b/assets/translations/zh.json
similarity index 100%
rename from assets/translations/zh-CN.json
rename to assets/translations/zh.json
diff --git a/lib/main.dart b/lib/main.dart
index 640c460..a1193ac 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -35,6 +35,7 @@ class SolianApp extends StatelessWidget {
         supportedLocales: [Locale('en', 'US'), Locale('zh', 'CN')],
         fallbackLocale: Locale('en', 'US'),
         useFallbackTranslations: true,
+        useOnlyLangCode: true,
         assetLoader: JsonAssetLoader(),
         child: MultiProvider(
           providers: [