diff --git a/src/components/Breadcrumb/index.vue b/src/components/Breadcrumb/index.vue
index ff93ff45..582449b6 100644
--- a/src/components/Breadcrumb/index.vue
+++ b/src/components/Breadcrumb/index.vue
@@ -2,16 +2,14 @@
   <el-breadcrumb class="app-breadcrumb" separator="/">
     <transition-group name="breadcrumb">
       <el-breadcrumb-item v-for="(item,index) in levelList" :key="item.path">
-        <span v-if="item.redirect==='noredirect'||index==levelList.length-1" class="no-redirect">{{
-          generateTitle(item.meta.title) }}</span>
-        <a v-else @click.prevent="handleLink(item)">{{ generateTitle(item.meta.title) }}</a>
+        <span v-if="item.redirect==='noredirect'||index==levelList.length-1" class="no-redirect">{{ item.meta.title }}</span>
+        <a v-else @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
       </el-breadcrumb-item>
     </transition-group>
   </el-breadcrumb>
 </template>
 
 <script>
-import { generateTitle } from '@/utils/i18n'
 import pathToRegexp from 'path-to-regexp'
 
 export default {
@@ -29,7 +27,6 @@ export default {
     this.getBreadcrumb()
   },
   methods: {
-    generateTitle,
     getBreadcrumb() {
       let matched = this.$route.matched.filter(item => item.name)
 
diff --git a/src/components/HeaderSearch/index.vue b/src/components/HeaderSearch/index.vue
index 6668ad5c..900f746c 100644
--- a/src/components/HeaderSearch/index.vue
+++ b/src/components/HeaderSearch/index.vue
@@ -22,7 +22,6 @@
 // make search results more in line with expectations
 import Fuse from 'fuse.js'
 import path from 'path'
-import i18n from '@/lang'
 
 export default {
   name: 'HeaderSearch',
@@ -116,10 +115,7 @@ export default {
         }
 
         if (router.meta && router.meta.title) {
-          // generate internationalized title
-          const i18ntitle = i18n.t(`route.${router.meta.title}`)
-
-          data.title = [...data.title, i18ntitle]
+          data.title = [...data.title, router.meta.title]
 
           if (router.redirect !== 'noredirect') {
             // only push the routes with title
diff --git a/src/components/LangSelect/index.vue b/src/components/LangSelect/index.vue
deleted file mode 100644
index 7fe30b5d..00000000
--- a/src/components/LangSelect/index.vue
+++ /dev/null
@@ -1,38 +0,0 @@
-<template>
-  <el-dropdown trigger="click" class="international" @command="handleSetLanguage">
-    <div>
-      <svg-icon class-name="international-icon" icon-class="language" />
-    </div>
-    <el-dropdown-menu slot="dropdown">
-      <el-dropdown-item :disabled="language==='zh'" command="zh">
-        中文
-      </el-dropdown-item>
-      <el-dropdown-item :disabled="language==='en'" command="en">
-        English
-      </el-dropdown-item>
-      <el-dropdown-item :disabled="language==='es'" command="es">
-        Español
-      </el-dropdown-item>
-    </el-dropdown-menu>
-  </el-dropdown>
-</template>
-
-<script>
-export default {
-  computed: {
-    language() {
-      return this.$store.getters.language
-    }
-  },
-  methods: {
-    handleSetLanguage(lang) {
-      this.$i18n.locale = lang
-      this.$store.dispatch('app/setLanguage', lang)
-      this.$message({
-        message: 'Switch Language Success',
-        type: 'success'
-      })
-    }
-  }
-}
-</script>
diff --git a/src/layout/components/Sidebar/SidebarItem.vue b/src/layout/components/Sidebar/SidebarItem.vue
index 8c9c4328..88f72908 100644
--- a/src/layout/components/Sidebar/SidebarItem.vue
+++ b/src/layout/components/Sidebar/SidebarItem.vue
@@ -3,14 +3,14 @@
     <template v-if="hasOneShowingChild(item.children,item) && (!onlyOneChild.children||onlyOneChild.noShowingChildren)&&!item.alwaysShow">
       <app-link v-if="onlyOneChild.meta" :to="resolvePath(onlyOneChild.path)">
         <el-menu-item :index="resolvePath(onlyOneChild.path)" :class="{'submenu-title-noDropdown':!isNest}">
-          <item :icon="onlyOneChild.meta.icon||(item.meta&&item.meta.icon)" :title="generateTitle(onlyOneChild.meta.title)" />
+          <item :icon="onlyOneChild.meta.icon||(item.meta&&item.meta.icon)" :title="onlyOneChild.meta.title" />
         </el-menu-item>
       </app-link>
     </template>
 
     <el-submenu v-else ref="subMenu" :index="resolvePath(item.path)" popper-append-to-body>
       <template slot="title">
-        <item v-if="item.meta" :icon="item.meta && item.meta.icon" :title="generateTitle(item.meta.title)" />
+        <item v-if="item.meta" :icon="item.meta && item.meta.icon" :title="item.meta.title" />
       </template>
       <sidebar-item
         v-for="child in item.children"
@@ -26,7 +26,6 @@
 
 <script>
 import path from 'path'
-import { generateTitle } from '@/utils/i18n'
 import { isExternal } from '@/utils/validate'
 import Item from './Item'
 import AppLink from './Link'
@@ -87,9 +86,7 @@ export default {
         return routePath
       }
       return path.resolve(this.basePath, routePath)
-    },
-
-    generateTitle
+    }
   }
 }
 </script>
diff --git a/src/layout/components/TagsView/index.vue b/src/layout/components/TagsView/index.vue
index bdddaba6..769e6fc8 100644
--- a/src/layout/components/TagsView/index.vue
+++ b/src/layout/components/TagsView/index.vue
@@ -12,7 +12,7 @@
         @click.middle.native="closeSelectedTag(tag)"
         @contextmenu.prevent.native="openMenu(tag,$event)"
       >
-        {{ generateTitle(tag.title) }}
+        {{ tag.title }}
         <span v-if="!tag.meta.affix" class="el-icon-close" @click.prevent.stop="closeSelectedTag(tag)" />
       </router-link>
     </scroll-pane>
@@ -36,7 +36,6 @@
 
 <script>
 import ScrollPane from './ScrollPane'
-import { generateTitle } from '@/utils/i18n'
 import path from 'path'
 
 export default {
@@ -76,7 +75,6 @@ export default {
     this.addTags()
   },
   methods: {
-    generateTitle, // generateTitle by vue-i18n
     isActive(route) {
       return route.path === this.$route.path
     },
diff --git a/src/views/login/index.vue b/src/views/login/index.vue
index ac467584..aa3b7053 100644
--- a/src/views/login/index.vue
+++ b/src/views/login/index.vue
@@ -6,7 +6,6 @@
         <h3 class="title">
           {{ $t('login.title') }}
         </h3>
-        <lang-select class="set-language" />
       </div>
 
       <el-form-item prop="username">
@@ -76,12 +75,11 @@
 
 <script>
 import { validUsername } from '@/utils/validate'
-import LangSelect from '@/components/LangSelect'
 import SocialSign from './socialsignin'
 
 export default {
   name: 'Login',
-  components: { LangSelect, SocialSign },
+  components: { SocialSign },
   data() {
     const validateUsername = (rule, value, callback) => {
       if (!validUsername(value)) {