diff --git a/frontend/Skyeye-sys-ui/src/api/http.js b/frontend/Skyeye-sys-ui/src/api/http.js
index 6409dd6..b6f002e 100644
--- a/frontend/Skyeye-sys-ui/src/api/http.js
+++ b/frontend/Skyeye-sys-ui/src/api/http.js
@@ -17,6 +17,8 @@ instance.interceptors.request.use(
     config.headers = config.headers || {}
     let token = getToken()
     if (token) Object.assign(config.headers, { 'X-Access-Token': token })
+    const language = localStorage.getItem('locale')
+    Object.assign(config.headers, { 'content-language': language })
     config.cancelToken = new axios.CancelToken(cancel => {
       window.__axiosCancelTokenArr.push({ cancel })
     })
diff --git a/frontend/Skyeye-sys-ui/src/lang/index.js b/frontend/Skyeye-sys-ui/src/lang/index.js
index e66305e..99aa884 100644
--- a/frontend/Skyeye-sys-ui/src/lang/index.js
+++ b/frontend/Skyeye-sys-ui/src/lang/index.js
@@ -6,15 +6,15 @@ Vue.use(VueI18n)
 
 // load locale messages
 const messages = {
-  zh,
-  en,
+  'zh_CN': zh,
+  'en_US': en,
 }
 
-const locale = localStorage.getItem('locale') || 'zh'
+const locale = localStorage.getItem('locale') || 'zh_CN'
 
 const i18n = new VueI18n({
   locale,
-  fallbackLocale: 'zh',
+  fallbackLocale: 'zh_CN',
   messages,
 })
 
diff --git a/frontend/Skyeye-sys-ui/src/layout/components/header-nav/index.vue b/frontend/Skyeye-sys-ui/src/layout/components/header-nav/index.vue
index 05ebe4f..2b0284a 100644
--- a/frontend/Skyeye-sys-ui/src/layout/components/header-nav/index.vue
+++ b/frontend/Skyeye-sys-ui/src/layout/components/header-nav/index.vue
@@ -26,10 +26,13 @@
     </div>
     <ul class="header-nav-r">
       <li class="lang-select">
-        <a @click.prevent="changeLocale('zh')">中文</a> | <a @click.prevent="changeLocale('en')">EN</a>
+        <a @click.prevent="changeLocale('zh_CN')">中文</a> |
+        <a @click.prevent="changeLocale('en_US')">EN</a>
       </li>
       <li v-if="roleIdsLocale.indexOf(2) !== -1">
-        <span class="user-login" @click="showLogin">{{ $t('header.login') }}</span>
+        <span class="user-login" @click="showLogin">{{
+          $t('header.login')
+        }}</span>
       </li>
       <li v-if="roleIdsLocale.indexOf(2) === -1">
         <span class="user-photo">
@@ -45,7 +48,9 @@
             <!-- <el-dropdown-item command="modifyPassword"
               >修改密码</el-dropdown-item
             > -->
-            <el-dropdown-item command="logout">{{ $t('header.logout') }}</el-dropdown-item>
+            <el-dropdown-item command="logout">{{
+              $t('header.logout')
+            }}</el-dropdown-item>
           </el-dropdown-menu>
         </el-dropdown>
       </li>
@@ -125,7 +130,8 @@
             size="mini"
             style="width: 100%"
             @click.native.prevent="handleLogin"
-          >{{ $t('login.submit') }}</el-button>
+            >{{ $t('login.submit') }}</el-button
+          >
         </el-form-item>
       </el-form>
     </dt-dialog>