diff --git a/front_end/src/i18n/index.ts b/front_end/src/i18n/index.ts
index 54686d00..359ba112 100644
--- a/front_end/src/i18n/index.ts
+++ b/front_end/src/i18n/index.ts
@@ -22,7 +22,7 @@ function getMessages (): Record<string, any> {
  * 获取默认语言
  */
 function getDefaultLocale () {
-    return "dev"
+    return "en"
 }
 
 /**
@@ -30,7 +30,12 @@ function getDefaultLocale () {
  */
 export default createI18n({
     legacy: false,
-    fallbackLocale: dev.local,
+    fallbackLocale: {
+        'zh-cn': ['dev'],
+        'en': ['dev'],
+        'de': ['en'],
+        'pl': ['en'],
+    },
     fallbackWarn: false,
     missingWarn: false,
     warnHtmlMessage: false,
diff --git a/front_end/src/store/index.ts b/front_end/src/store/index.ts
index 7f306f08..5c6c0b71 100644
--- a/front_end/src/store/index.ts
+++ b/front_end/src/store/index.ts
@@ -39,7 +39,7 @@ export const useVideoPlayerStore = defineStore('videoplayer', {
 export const useLocalStore = defineStore('local', {
     state: () => ({
         darkmode: false,
-        language: "zh-cn",
+        language: (navigator.language).toLocaleLowerCase(),
         language_show: true,
         menu_font_size: 18,
         menu_height: 60,