diff --git a/src/i18n/index.ts b/src/i18n/index.ts
new file mode 100644
index 0000000..a330980
--- /dev/null
+++ b/src/i18n/index.ts
@@ -0,0 +1,18 @@
+import { createI18n } from 'vue-i18n'
+import zhCN from './locales/zh-CN/index'
+import enUS from './locales/en-US/index'
+
+export type { LanguageType } from '@/stores/modules/language'
+
+// 创建 i18n 实例
+const i18n = createI18n({
+  legacy: false, // 使用 Composition API 模式
+  locale: localStorage.getItem('lang') || 'zh-CN', // 默认语言
+  fallbackLocale: 'zh-CN', // 回退语言
+  messages: {
+    'zh-CN': zhCN,
+    'en-US': enUS
+  }
+})
+
+export default i18n
diff --git a/src/i18n/locales/en-US/index.ts b/src/i18n/locales/en-US/index.ts
new file mode 100644
index 0000000..f6ba2ba
--- /dev/null
+++ b/src/i18n/locales/en-US/index.ts
@@ -0,0 +1,101 @@
+// English translation file
+export default {
+  // Common
+  common: {
+    loading: 'Loading...',
+    submit: 'Submit',
+    cancel: 'Cancel',
+    confirm: 'Confirm',
+    edit: 'Edit',
+    delete: 'Delete',
+    save: 'Save',
+    close: 'Close',
+    search: 'Search',
+    reset: 'Reset',
+    pleaseInput: 'Please enter',
+    pleaseSelect: 'Please select',
+    operation: 'Operation',
+    status: 'Status',
+    createTime: 'Create Time',
+    updateTime: 'Update Time',
+    remark: 'Remark',
+    success: 'Operation successful',
+    error: 'Operation failed',
+    warning: 'Warning',
+    info: 'Info'
+  },
+  // Personal Center
+  personalCenter: {
+    pageTitle: 'Account Information',
+    username: 'Username',
+    email: 'Email',
+    mobile: 'Mobile',
+    password: 'Password',
+    language: 'Language',
+    languageDesc: 'Select your preferred communication language',
+    lastLogin: 'Last Login',
+    notSet: 'Not set',
+    notBound: 'Not bound',
+    bound: 'Bound',
+    goToBind: 'Go to bind',
+    bind: 'Bind',
+    modify: 'Modify',
+    bindEmail: 'Bind Email',
+    bindMobile: 'Bind Mobile',
+    rebindMobile: 'Rebind Mobile',
+    modifyUsername: 'Modify Username',
+    modifyPassword: 'Modify Password',
+    verifyMethod: 'Verification Method',
+    verifyAccount: 'Verification Account',
+    mobileVerify: 'Mobile Verification',
+    emailVerify: 'Email Verification',
+    newPassword: 'New Password',
+    confirmPassword: 'Confirm Password',
+    passwordPlaceholder: '6-12 characters, including uppercase, lowercase and special characters',
+    confirmPasswordPlaceholder: 'Please enter new password again',
+    // Validation messages
+    pleaseInputEmail: 'Please enter email',
+    emailFormatError: 'Email format is incorrect',
+    pleaseInputMobile: 'Please enter mobile number',
+    mobileFormatError: 'Mobile number format is incorrect',
+    pleaseInputUsername: 'Please enter username',
+    usernameLengthError: 'Username length must be 2-20 characters',
+    pleaseSelectVerifyMethod: 'Please select verification method',
+    pleaseInputNewPassword: 'Please enter new password',
+    passwordLengthError: 'Length must be 6-12 characters',
+    passwordComplexityError: 'Must include uppercase, lowercase and special characters',
+    pleaseConfirmNewPassword: 'Please confirm new password',
+    passwordMismatchError: 'Passwords do not match',
+    // Message prompts
+    pleaseBindMobileOrEmail: 'Please bind mobile or email first',
+    pleaseInputVerifyAccount: 'Please bind verification account first',
+    pleaseInputReceiverAccount: 'Please enter the account to receive verification code',
+    getUserInfoFailed: 'Failed to get user information',
+    languageChangeFailed: 'Failed to change language'
+  },
+  // Agent User Detail
+  agentUser: {
+    phone: 'Phone',
+    accountBalance: 'Account Balance',
+    depositAmount: 'Deposit Amount',
+    email: 'Email',
+    registerTime: 'Register Time',
+    historyTradeAmount: 'History Trade Amount',
+    tradeAccount: 'Trade Account',
+    accountName: 'Account Name',
+    balance: 'Balance',
+    tradeLeverage: 'Trade Leverage',
+    historyTradeVolume: 'History Trade Volume',
+    addTime: 'Add Time',
+    loadDetailFailed: 'Failed to load detail',
+    operateAccount: 'Operate Account',
+    role: {
+      1: 'Platform',
+      2: 'Contractor',
+      3: 'Special Market Maker',
+      4: 'Ordinary Market Maker',
+      5: 'Agent',
+      6: 'User'
+    }
+  }
+}
diff --git a/src/i18n/locales/zh-CN/index.ts b/src/i18n/locales/zh-CN/index.ts
new file mode 100644
index 0000000..c930a96
--- /dev/null
+++ b/src/i18n/locales/zh-CN/index.ts
@@ -0,0 +1,101 @@
+// 中文翻译文件
+export default {
+  // 通用
+  common: {
+    loading: '加载中...',
+    submit: '提交',
+    cancel: '取消',
+    confirm: '确认',
+    edit: '修改',
+    delete: '删除',
+    save: '保存',
+    close: '关闭',
+    search: '搜索',
+    reset: '重置',
+    pleaseInput: '请输入',
+    pleaseSelect: '请选择',
+    operation: '操作',
+    status: '状态',
+    createTime: '创建时间',
+    updateTime: '更新时间',
+    remark: '备注',
+    success: '操作成功',
+    error: '操作失败',
+    warning: '警告',
+    info: '提示'
+  },
+  // 个人中心
+  personalCenter: {
+    pageTitle: '账户信息',
+    username: '用户名',
+    email: '邮箱',
+    mobile: '手机号',
+    password: '密码',
+    language: '语言',
+    languageDesc: '选择您偏好的通讯语言',
+    lastLogin: '最后登录',
+    notSet: '未设置',
+    notBound: '未绑定',
+    bound: '已绑定',
+    goToBind: '去绑定',
+    bind: '绑定',
+    modify: '修改',
+    bindEmail: '绑定邮箱',
+    bindMobile: '绑定手机号',
+    rebindMobile: '重新绑定手机号',
+    modifyUsername: '修改用户名',
+    modifyPassword: '修改密码',
+    verifyMethod: '验证方式',
+    verifyAccount: '验证账号',
+    mobileVerify: '手机验证',
+    emailVerify: '邮箱验证',
+    newPassword: '新密码',
+    confirmPassword: '确认密码',
+    passwordPlaceholder: '6-12位，含大小写+特殊字符',
+    confirmPasswordPlaceholder: '请再次输入新密码',
+    // 验证规则提示
+    pleaseInputEmail: '请输入邮箱',
+    emailFormatError: '邮箱格式不正确',
+    pleaseInputMobile: '请输入手机号',
+    mobileFormatError: '手机号格式不正确',
+    pleaseInputUsername: '请输入用户名',
+    usernameLengthError: '用户名长度 2-20 位',
+    pleaseSelectVerifyMethod: '请选择验证方式',
+    pleaseInputNewPassword: '请输入新密码',
+    passwordLengthError: '长度 6-12 位',
+    passwordComplexityError: '必须包含大小写+特殊字符',
+    pleaseConfirmNewPassword: '请确认新密码',
+    passwordMismatchError: '两次密码不一致',
+    // 消息提示
+    pleaseBindMobileOrEmail: '请先绑定手机或邮箱',
+    pleaseInputVerifyAccount: '请先绑定验证账号',
+    pleaseInputReceiverAccount: '请输入接收验证码的账号',
+    getUserInfoFailed: '获取用户信息失败',
+    languageChangeFailed: '语言切换失败'
+  },
+  // 代理用户详情
+  agentUser: {
+    phone: '手机号',
+    accountBalance: '账户余额',
+    depositAmount: '存款金额',
+    email: '邮箱',
+    registerTime: '注册时间',
+    historyTradeAmount: '历史交易金额',
+    tradeAccount: '交易账号',
+    accountName: '账户名称',
+    balance: '余额',
+    tradeLeverage: '交易杠杆',
+    historyTradeVolume: '历史交易量',
+    addTime: '添加时间',
+    loadDetailFailed: '加载详情失败',
+    operateAccount: '操作账户',
+    role: {
+      1: '平台',
+      2: '承包商',
+      3: '特殊做市商',
+      4: '普通做市商',
+      5: '代理',
+      6: '用户'
+    }
+  }
+}
diff --git a/src/main.ts b/src/main.ts
index 1e4f87c..afa257f 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -5,12 +5,14 @@ import 'element-plus/dist/index.css'
 //语言配置
 import ElementPlus from 'element-plus'
 import zhCn from 'element-plus/dist/locale/zh-cn.mjs'
+import en from 'element-plus/dist/locale/en.mjs'
 
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
 
 import App from './App.vue'
 import router from './router'
+import i18n from './i18n'
 import {setupAuthDirective} from './directives/auth'
 import { setStorage } from '@/utils/storage'
 import '@imengyu/vue3-context-menu/lib/vue3-context-menu.css'
@@ -22,9 +24,13 @@ const app = createApp(App)
 setupAuthDirective(app)
 app.use(createPinia())
 app.use(router)
+app.use(i18n)
 app.use(ContextMenu)
 app.use(ElementPlus, {
     locale: zhCn,
 })
 
 app.mount('#app')
+
+// 导出 app 实例以便在其他地方使用
+export default app
diff --git a/src/stores/modules/language.ts b/src/stores/modules/language.ts
index af9fc6e..5e8085b 100644
--- a/src/stores/modules/language.ts
+++ b/src/stores/modules/language.ts
@@ -14,16 +14,11 @@ export const useLanguageStore = defineStore('language', () => {
   if (!getStorage('lang')) {
     setStorage('lang', initLang)
   }
-  // const setHtmlLang = (currentLang: LanguageType) => {
-  //   document.documentElement.lang = langMap[currentLang]
-  // }
-
-  // setHtmlLang(lang.value)
 
   const changeLang = (newLang: LanguageType) => {
     lang.value = newLang
     setStorage('lang', newLang)
-    // setHtmlLang(newLang)
+    // i18n 的 locale 会通过 watch 自动同步
   }
 
   return { lang, changeLang }
diff --git a/src/views/agent/user/default.vue b/src/views/agent/user/default.vue
index 40088cb..13f3be6 100644
--- a/src/views/agent/user/default.vue
+++ b/src/views/agent/user/default.vue
@@ -23,7 +23,7 @@
                             <el-icon>
                                 <Phone />
                             </el-icon>
-                            <span>手机号</span>
+                            <span>{{ t('agentUser.phone') }}</span>
                         </div>
                         <div class="item-value">{{ userInfo.phone || '-' }}</div>
                     </div>
@@ -32,7 +32,7 @@
                             <el-icon>
                                 <CreditCard />
                             </el-icon>
-                            <span>账户余额</span>
+                            <span>{{ t('agentUser.accountBalance') }}</span>
                         </div>
                         <div class="item-value text-highlight">
                             <AnimatedNumber :value="Number(userInfo.balance) || 0" />
@@ -43,7 +43,7 @@
                             <el-icon>
                                 <Money />
                             </el-icon>
-                            <span>存款金额</span>
+                            <span>{{ t('agentUser.depositAmount') }}</span>
                         </div>
                         <div class="item-value text-highlight">
                             <AnimatedNumber :value="Number(userInfo.deposit) || 0" />
@@ -54,7 +54,7 @@
                             <el-icon>
                                 <Message />
                             </el-icon>
-                            <span>邮箱</span>
+                            <span>{{ t('agentUser.email') }}</span>
                         </div>
                         <div class="item-value">{{ userInfo.email || '-' }}</div>
                     </div>
@@ -63,7 +63,7 @@
                             <el-icon>
                                 <Clock />
                             </el-icon>
-                            <span>注册时间</span>
+                            <span>{{ t('agentUser.registerTime') }}</span>
                         </div>
                         <div class="item-value">{{ userInfo.registerTime || '-' }}</div>
                     </div>
@@ -72,7 +72,7 @@
                             <el-icon>
                                 <Wallet />
                             </el-icon>
-                            <span>历史交易金额</span>
+                            <span>{{ t('agentUser.historyTradeAmount') }}</span>
                         </div>
                         <div class="item-value">
                             <AnimatedNumber :value="Number(userInfo.hisMeny) || 0" />
@@ -98,9 +98,11 @@ defineOptions({
 })
 import { ref, watch, computed } from 'vue'
 import { ElAvatar, ElIcon, ElDrawer, ElButton, ElMessage } from 'element-plus'
+import { useI18n } from 'vue-i18n'
 import { UserFilled, Phone, Message, Money, Wallet, Clock, CreditCard } from '@element-plus/icons-vue'
 import CustomerListTable from '@/components/common/Table.vue'
 import { getCustomerDetailApi } from '@/api/modules/agent/customerDetail'
+import { useLanguageStore } from '@/stores/modules/language'
 import dayjs from 'dayjs'
 import AnimatedNumber from './AnimatedNumber.vue'
 
@@ -115,14 +117,18 @@ import type {
     TableColumn
 } from '@/api/types/agent'
 
-const roleMap: Record<RoleType, string> = {
-    1: '平台',
-    2: '承包商',
-    3: '特殊做市商',
-    4: '普通做市商',
-    5: '代理',
-    6: '用户',
-}
+const { t, locale } = useI18n()
+const languageStore = useLanguageStore()
+
+// 使用 computed 动态生成角色映射，支持语言切换
+const roleMap = computed<Record<RoleType, string>>(() => ({
+    1: t('agentUser.role.1'),
+    2: t('agentUser.role.2'),
+    3: t('agentUser.role.3'),
+    4: t('agentUser.role.4'),
+    5: t('agentUser.role.5'),
+    6: t('agentUser.role.6'),
+}))
 
 // 接收父组件传值
 const props = defineProps<{
@@ -165,13 +171,15 @@ const userInfo = ref<UserDisplayInfo>({
 
 // 表格
 const tableData = ref<TableDataRow[]>([])
-const tableColumnsOptions = ref<TableColumn[]>([
-    { label: '交易账号', prop: 'tradeAccount' },
-    { label: '账户名称', prop: 'accountName' },
-    { label: '余额', prop: 'balance', sortable: true },
-    { label: '交易杠杆', prop: 'leverage' },
-    { label: '历史交易量', prop: 'tradeVolume' },
-    { label: '添加时间', prop: 'addTime', width: 180 }
+
+// 动态生成表格列配置，支持语言切换
+const tableColumnsOptions = computed<TableColumn[]>(() => [
+    { label: t('agentUser.tradeAccount'), prop: 'tradeAccount' },
+    { label: t('agentUser.accountName'), prop: 'accountName' },
+    { label: t('agentUser.balance'), prop: 'balance', sortable: true },
+    { label: t('agentUser.tradeLeverage'), prop: 'leverage' },
+    { label: t('agentUser.historyTradeVolume'), prop: 'tradeVolume' },
+    { label: t('agentUser.addTime'), prop: 'addTime', width: 180 }
 ])
 
 
@@ -187,7 +195,7 @@ const loadDetailData = async (id: string | number) => {
         userInfo.value = {
             name: user.email || user.mobile || '-',
             id: user.id,
-            role: roleMap[user.role_id] || '-',
+            role: roleMap.value[user.role_id] || '-',
             phone: user.mobile || '-',
             email: user.email || '-',
             balance: Number(user.capital_amount) || 0,
@@ -207,7 +215,7 @@ const loadDetailData = async (id: string | number) => {
         }))
     } catch (err) {
         console.error('加载详情失败:', err);
-        ElMessage.error('加载详情失败')
+        ElMessage.error(t('agentUser.loadDetailFailed'))
     } finally {
         loading.value = false
         tableLoading.value = false
@@ -224,9 +232,18 @@ watch(
     { immediate: true }
 )
 
+// 监听语言切换，同步更新 i18n 的 locale
+watch(
+    () => languageStore.lang,
+    (newLang) => {
+        locale.value = newLang
+    },
+    { immediate: true }
+)
+
 // 账户操作
 const handleAccount = (row: TableDataRow) => {
-    ElMessage.success('操作账户：' + row.tradeAccount)
+    ElMessage.success(t('agentUser.operateAccount') + '：' + row.tradeAccount)
 }
 </script>
 
diff --git a/src/views/profile/personalCenter/index.vue b/src/views/profile/personalCenter/index.vue
index 623ecf0..9e36fa2 100644
--- a/src/views/profile/personalCenter/index.vue
+++ b/src/views/profile/personalCenter/index.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="personal-center">
     <div class="page-header">
-      <h2>账户信息</h2>
+      <h2>{{ t('personalCenter.pageTitle') }}</h2>
     </div>
 
     <div class="content-wrapper">
@@ -17,9 +17,9 @@
           <div class="info-text">
             <div class="username-row">
               <span class="username-text">{{ userInfo.username }}</span>
-              <el-button link type="primary" size="small" @click="showEditDialog('username')">修改</el-button>
+              <el-button link type="primary" size="small" @click="showEditDialog('username')">{{ t('personalCenter.modify') }}</el-button>
             </div>
-            <div class="login-time">最后登录：{{ userInfo.last_login }}</div>
+            <div class="login-time">{{ t('personalCenter.lastLogin') }}：{{ userInfo.last_login }}</div>
           </div>
         </div>
       </el-card>
@@ -27,35 +27,35 @@
       <el-card class="card info-card">
         <div class="info-list">
           <div class="info-item">
-            <span class="label">邮箱</span>
-            <span class="value">{{ userInfo.email || '未设置' }}</span>
+            <span class="label">{{ t('personalCenter.email') }}</span>
+            <span class="value">{{ userInfo.email || t('personalCenter.notSet') }}</span>
             <template v-if="!userInfo.email">
-              <el-button link type="primary" @click="showEditDialog('email')">去绑定</el-button>
+              <el-button link type="primary" @click="showEditDialog('email')">{{ t('personalCenter.goToBind') }}</el-button>
             </template>
             <template v-else>
-              <el-tag type="success" size="small">已绑定</el-tag>
+              <el-tag type="success" size="small">{{ t('personalCenter.bound') }}</el-tag>
             </template>
           </div>
 
           <div class="info-item">
-            <span class="label">手机号</span>
-            <span class="value">{{ userInfo.mobile || '未绑定' }}</span>
+            <span class="label">{{ t('personalCenter.mobile') }}</span>
+            <span class="value">{{ userInfo.mobile || t('personalCenter.notBound') }}</span>
             <el-button v-if="!userInfo.mobile" link type="primary" @click="showEditDialog('mobile')">
-              绑定
+              {{ t('personalCenter.bind') }}
             </el-button>
             <template v-else>
-              <el-tag type="success" size="small">已绑定</el-tag>
+              <el-tag type="success" size="small">{{ t('personalCenter.bound') }}</el-tag>
             </template>
           </div>
 
           <div class="info-item">
-            <span class="label">密码</span>
-            <el-button link type="primary" @click="showPasswordDialog">修改</el-button>
+            <span class="label">{{ t('personalCenter.password') }}</span>
+            <el-button link type="primary" @click="showPasswordDialog">{{ t('personalCenter.modify') }}</el-button>
           </div>
 
           <div class="info-item">
-            <span class="label">语言</span>
-            <span class="value">选择您偏好的通讯语言</span>
+            <span class="label">{{ t('personalCenter.language') }}</span>
+            <span class="value">{{ t('personalCenter.languageDesc') }}</span>
             <el-select v-model="userInfo.lang_type" @change="handleLanguageChange" style="width: 130px" size="small">
               <el-option label="简体中文" :value="1" />
               <el-option label="English" :value="2" />
@@ -70,7 +70,7 @@
       @cancel="handleEditDialogReset" @close="handleEditDialogReset">
       <el-form ref="editFormRef" :model="editForm" :rules="getEditRules()" label-width="80px" label-position="top">
         <el-form-item :label="editForm.label" prop="value">
-          <el-input v-if="editField !== 'language'" v-model="editForm.value" :placeholder="`请输入${editForm.label}`"
+          <el-input v-if="editField !== 'language'" v-model="editForm.value" :placeholder="`${t('common.pleaseInput')}${editForm.label}`"
             size="large" />
         </el-form-item>
 
@@ -80,20 +80,20 @@
     </Dialog>
 
     <!-- 密码修改弹窗 → 验证码模式 -->
-    <Dialog :visible="passwordDialogVisible" title="修改密码" width="500px" @confirm="handlePasswordConfirm"
+    <Dialog :visible="passwordDialogVisible" :title="t('personalCenter.modifyPassword')" width="500px" @confirm="handlePasswordConfirm"
       @cancel="handlePasswordDialogReset" @close="handlePasswordDialogReset">
       <el-form ref="passwordFormRef" :model="passwordForm" :rules="passwordFormRules" label-width="100px"
         label-position="top">
         <!-- 选择验证方式 -->
-        <el-form-item label="验证方式" prop="verifyType">
+        <el-form-item :label="t('personalCenter.verifyMethod')" prop="verifyType">
           <el-radio-group v-model="passwordForm.verifyType" @change="onVerifyTypeChange">
-            <el-radio label="mobile" :disabled="!userInfo.mobile">手机验证</el-radio>
-            <el-radio label="email" :disabled="!userInfo.email">邮箱验证</el-radio>
+            <el-radio label="mobile" :disabled="!userInfo.mobile">{{ t('personalCenter.mobileVerify') }}</el-radio>
+            <el-radio label="email" :disabled="!userInfo.email">{{ t('personalCenter.emailVerify') }}</el-radio>
           </el-radio-group>
         </el-form-item>
 
         <!-- 验证账号 -->
-        <el-form-item label="验证账号">
+        <el-form-item :label="t('personalCenter.verifyAccount')">
           <span style="font-weight:500;color:#333">
             {{ passwordForm.verifyType === 'mobile' ? userInfo.mobile : userInfo.email }}
           </span>
@@ -104,14 +104,14 @@
           :show-send-button="showPwdSendButton" :send-state="pwdSendState" />
 
         <!-- 新密码1 -->
-        <el-form-item label="新密码" prop="login_password1">
-          <el-input v-model="passwordForm.login_password1" type="password" show-password placeholder="6-12位，含大小写+特殊字符"
+        <el-form-item :label="t('personalCenter.newPassword')" prop="login_password1">
+          <el-input v-model="passwordForm.login_password1" type="password" show-password :placeholder="t('personalCenter.passwordPlaceholder')"
             size="large" />
         </el-form-item>
 
         <!-- 新密码2 -->
-        <el-form-item label="确认密码" prop="login_password2">
-          <el-input v-model="passwordForm.login_password2" type="password" show-password placeholder="请再次输入新密码"
+        <el-form-item :label="t('personalCenter.confirmPassword')" prop="login_password2">
+          <el-input v-model="passwordForm.login_password2" type="password" show-password :placeholder="t('personalCenter.confirmPasswordPlaceholder')"
             size="large" />
         </el-form-item>
       </el-form>
@@ -124,9 +124,10 @@
 defineOptions({
   name: 'PersonalCenter'
 })
-import { ref, reactive, onMounted, onUnmounted, nextTick } from 'vue';
+import { ref, reactive, onMounted, onUnmounted, nextTick, watch } from 'vue';
 import { ElMessage, type FormInstance, type FormRules } from 'element-plus';
 import { UserFilled } from '@element-plus/icons-vue';
+import { useI18n } from 'vue-i18n';
 import Dialog from '@/components/common/Dialog.vue';
 import UserCaptcha from '@/views/user/components/Captcha.vue';
 import { useUserStore } from '@/stores/modules/user';
@@ -134,6 +135,7 @@ import { useLanguageStore } from '@/stores/modules/language';
 import { sendCaptcha, initCaptchaState, clearCaptchaTimer } from '@/utils/sendCaptcha';
 import { codeRules } from '@/views/user/config/rules';
 
+const { t, locale } = useI18n()
 // 类型定义
 import type {
   UserInfo,
@@ -206,20 +208,20 @@ const getEditRules = (): FormRules => {
   switch (editField.value) {
     case 'email':
       rules.value = [
-        { required: true, message: '请输入邮箱', trigger: 'blur' },
-        { type: 'email', message: '邮箱格式不正确', trigger: 'blur' }
+        { required: true, message: t('personalCenter.pleaseInputEmail'), trigger: 'blur' },
+        { type: 'email', message: t('personalCenter.emailFormatError'), trigger: 'blur' }
       ];
       return rules;
     case 'mobile':
       rules.value = [
-        { required: true, message: '请输入手机号', trigger: 'blur' },
-        { pattern: /^\+?\d{5,20}$/, message: '手机号格式不正确', trigger: 'blur' }
+        { required: true, message: t('personalCenter.pleaseInputMobile'), trigger: 'blur' },
+        { pattern: /^\+?\d{5,20}$/, message: t('personalCenter.mobileFormatError'), trigger: 'blur' }
       ];
       return rules;
     case 'username':
       rules.value = [
-        { required: true, message: '请输入用户名', trigger: 'blur' },
-        { min: 2, max: 20, message: '用户名长度 2-20 位', trigger: 'blur' }
+        { required: true, message: t('personalCenter.pleaseInputUsername'), trigger: 'blur' },
+        { min: 2, max: 20, message: t('personalCenter.usernameLengthError'), trigger: 'blur' }
       ];
       return rules;
     default:
@@ -229,22 +231,22 @@ const getEditRules = (): FormRules => {
 
 // 密码强度校验
 const passwordFormRules = ref<FormRules>({
-  verifyType: [{ required: true, message: '请选择验证方式', trigger: 'change' }],
+  verifyType: [{ required: true, message: t('personalCenter.pleaseSelectVerifyMethod'), trigger: 'change' }],
   code: codeRules().code,
   login_password1: [
-    { required: true, message: '请输入新密码', trigger: 'blur' },
-    { min: 6, max: 12, message: '长度 6-12 位', trigger: 'blur' },
+    { required: true, message: t('personalCenter.pleaseInputNewPassword'), trigger: 'blur' },
+    { min: 6, max: 12, message: t('personalCenter.passwordLengthError'), trigger: 'blur' },
     {
       pattern: /^(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9]).{6,12}$/,
-      message: '必须包含大小写+特殊字符', trigger: 'blur'
+      message: t('personalCenter.passwordComplexityError'), trigger: 'blur'
     }
   ],
   login_password2: [
-    { required: true, message: '请确认新密码', trigger: 'blur' },
+    { required: true, message: t('personalCenter.pleaseConfirmNewPassword'), trigger: 'blur' },
     {
       validator: (rule, value, callback) => {
         if (value !== passwordForm.login_password1) {
-          callback(new Error('两次密码不一致'));
+          callback(new Error(t('personalCenter.passwordMismatchError')));
         } else {
           callback();
         }
@@ -261,7 +263,7 @@ const fetchUserProfile = async () => {
     Object.assign(userInfo, res);
     languageStore.changeLang(res.lang_type === 1 ? 'zh-CN' : 'en-US');
   } catch (error) {
-    ElMessage.error('获取用户信息失败');
+    ElMessage.error(t('personalCenter.getUserInfoFailed'));
     console.error('获取用户信息失败:', error);
   }
 };
@@ -272,19 +274,19 @@ const showEditDialog = (field: 'email' | 'mobile' | 'username') => {
   editForm.code = '';
   switch (field) {
     case 'email':
-      editForm.label = '邮箱';
+      editForm.label = t('personalCenter.email');
       editForm.value = userInfo.email;
-      dialogTitle.value = '绑定邮箱';
+      dialogTitle.value = t('personalCenter.bindEmail');
       break;
     case 'mobile':
-      editForm.label = '手机号';
+      editForm.label = t('personalCenter.mobile');
       editForm.value = userInfo.mobile;
-      dialogTitle.value = userInfo.mobile ? '重新绑定手机号' : '绑定手机号';
+      dialogTitle.value = userInfo.mobile ? t('personalCenter.rebindMobile') : t('personalCenter.bindMobile');
       break;
     case 'username':
-      editForm.label = '用户名';
+      editForm.label = t('personalCenter.username');
       editForm.value = userInfo.username;
-      dialogTitle.value = '修改用户名';
+      dialogTitle.value = t('personalCenter.modifyUsername');
       break;
   }
   dialogVisible.value = true;
@@ -296,13 +298,13 @@ const handleSendCaptcha = async () => {
   const type = editField.value === 'email' ? 'email' : 'phone';
   const receiver = editForm.value?.trim();
   if (!receiver) {
-    ElMessage.warning('请输入接收验证码的账号');
+    ElMessage.warning(t('personalCenter.pleaseInputReceiverAccount'));
     return;
   }
   const currentState = type === 'email' ? emailCaptchaState : phoneCaptchaState;
   await sendCaptcha(type, receiver, currentState, () => {
     return userStore.sendCode({
-      reg_type: type === 'email' ? 1 : 2,
+      reg_type: userStore.userInfo!.reg_type,
       [type === 'email' ? 'email' : 'mobile']: receiver,
       type: type === 'email' ? 'transfer_code' : 'bindMobile_code'
     });
@@ -358,7 +360,7 @@ const handleEditConfirm = async () => {
 // ==================== 密码修改逻辑 ====================
 const showPasswordDialog = () => {
   if (!userInfo.mobile && !userInfo.email) {
-    ElMessage.warning('请先绑定手机或邮箱');
+    ElMessage.warning(t('personalCenter.pleaseBindMobileOrEmail'));
     return;
   }
   passwordForm.verifyType = userInfo.mobile ? 'mobile' : 'email';
@@ -389,14 +391,14 @@ const handleSendPwdCaptcha = async () => {
   const type = passwordForm.verifyType === 'email' ? 'email' : 'phone';
   const receiver = passwordForm.verifyType === 'email' ? userInfo.email : userInfo.mobile;
   if (!receiver) {
-    ElMessage.warning('请先绑定验证账号');
+    ElMessage.warning(t('personalCenter.pleaseInputVerifyAccount'));
     return;
   }
   const currentState = passwordForm.verifyType === 'email' ? pwdEmailCaptchaState : pwdMobileCaptchaState;
 
   await sendCaptcha(type, receiver, currentState, () => {
     return userStore.sendCode({
-      reg_type: passwordForm.verifyType === 'email' ? 1 : 2,
+      reg_type:  userStore.userInfo!.reg_type,
       [passwordForm.verifyType]: receiver,
       type: 'resetPass_code'
     });
@@ -416,7 +418,7 @@ const handlePasswordConfirm = async () => {
     await passwordFormRef.value.validate();
 
     const params: UpdatePwdByCaptchaParams = {
-      reg_type: passwordForm.verifyType === 'email' ? 1 : 2,
+      reg_type:  userStore.userInfo!.reg_type,
       email: passwordForm.verifyType === 'email' ? userInfo.email : undefined,
       mobile: passwordForm.verifyType === 'mobile' ? userInfo.mobile : undefined,
       code: passwordForm.code,
@@ -443,6 +445,15 @@ const handlePasswordDialogReset = () => {
   passwordFormRef.value?.resetFields();
 };
 
+// 监听语言切换，同步更新 i18n 的 locale
+watch(
+  () => languageStore.lang,
+  (newLang) => {
+    locale.value = newLang
+  },
+  { immediate: true }
+)
+
 onMounted(() => {
   fetchUserProfile();
 });