优化代码

src/i18n/index.js

@@ -3,11 +3,12 @@
 import { createI18n } from 'vue-i18n' //引入vue-i18n组件
 import zh from './zh/index'
 import en from './en/index'
+import { setStorage , getStorage } from '@/utils/storage.js';
 
 const i18n = createI18n({
   legacy: false,
   globalInjection:true,
-  locale: "ZH", // Default language
+  locale: getStorage('language') || "ZH", // Default language
   fallbackLocale: "EN", // Fallback to English if translation missing
   messages: {
     ZH: zh,
@@ -19,7 +20,8 @@ const i18n = createI18n({
 export function setLocale(lang) {
   if (['ZH', 'EN'].includes(lang)) {
     i18n.global.locale.value = lang
+    setStorage('language', lang)
   }
 }
 
-export default i18n
+export default i18n