diff --git a/frontend/src/lang/index.ts b/frontend/src/lang/index.ts
index e12685e34..828da40a9 100644
--- a/frontend/src/lang/index.ts
+++ b/frontend/src/lang/index.ts
@@ -5,7 +5,7 @@ import en from './modules/en';
 
 const i18n = createI18n({
     legacy: false,
-    locale: localStorage.getItem('lang') || 'zh',
+    locale: localStorage.getItem('lang') || 'en',
     fallbackLocale: 'en',
     globalInjection: true,
     messages: {