diff --git a/package-lock.json b/package-lock.json
index 7384fa9..f56e3c4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10861,9 +10861,9 @@
       "integrity": "sha512-fUQhIVVfp2crf2wanLCpDLWp5Mao/i9lTQeS9Mj46/IOF+FuAKKyJ/ULk6+OlH0Ro6VEVGzlr/bQFArJdCfKsQ==",
       "requires": {
         "marked": "^0.3.19",
-        "simple-hotkeys": "github:itargaryen/simple-hotkeys",
-        "simple-module": "github:itargaryen/simple-module#v2.1.0",
-        "simple-uploader": "github:itargaryen/simple-uploader#v2.1.0",
+        "simple-hotkeys": "github:itargaryen/simple-hotkeys#8a6b2cf19d06100ac86d7ce4d442df08c561b7e9",
+        "simple-module": "github:itargaryen/simple-module#ea2688c579170eca533cd0bd8ba7f83c8d241a1c",
+        "simple-uploader": "github:itargaryen/simple-uploader#79d795ca1ce0b163c0e335fddad5bf9393004780",
         "to-markdown": "^3.1.1"
       },
       "dependencies": {
@@ -10888,7 +10888,7 @@
           "from": "github:itargaryen/simple-uploader#v2.1.0",
           "requires": {
             "jquery": "=3.1.1",
-            "simple-module": "github:itargaryen/simple-module#v2.1.0"
+            "simple-module": "github:itargaryen/simple-module#ea2688c579170eca533cd0bd8ba7f83c8d241a1c"
           }
         }
       }
diff --git a/src/i18n/index.js b/src/i18n/index.js
index 641c246..154b05e 100644
--- a/src/i18n/index.js
+++ b/src/i18n/index.js
@@ -1,12 +1,20 @@
 import Vue from 'vue'
 import VueI18n from 'vue-i18n'
+// ivew UI
+import ivenUS from 'iview/dist/locale/en-US'
+import ivzhCN from 'iview/dist/locale/zh-CN'
+import ivzhTW from 'iview/dist/locale/zh-TW'
+// element UI
+import elenUS from 'element-ui/lib/locale/lang/en'
+import elzhCN from 'element-ui/lib/locale/lang/zh-CN'
+import elzhTW from 'element-ui/lib/locale/lang/zh-TW'
 
 Vue.use(VueI18n)
 
 const languages = [
-  {value: 'en-US', label: 'English'},
-  {value: 'zh-CN', label: '简体中文'},
-  {value: 'zh-TW', label: '繁體中文'}
+  {value: 'en-US', label: 'English', iv: ivenUS, el: elenUS},
+  {value: 'zh-CN', label: '简体中文', iv: ivzhCN, el: elzhCN},
+  {value: 'zh-TW', label: '繁體中文', iv: ivzhTW, el: elzhTW}
 ]
 const messages = {}
 
@@ -15,7 +23,8 @@ for (let lang of languages) {
   let locale = lang.value
   let m = require(`./oj/${locale}`).m
   Object.assign(m, require(`./admin/${locale}`).m)
-  messages[locale] = {m: m}
+  let ui = Object.assign(lang.iv, lang.el)
+  messages[locale] = Object.assign({m: m}, ui)
 }
 // load language packages
 export default new VueI18n({
diff --git a/src/pages/admin/index.js b/src/pages/admin/index.js
index 33cd747..1aac8d0 100644
--- a/src/pages/admin/index.js
+++ b/src/pages/admin/index.js
@@ -5,7 +5,6 @@ import store from '@/store'
 import i18n from '@/i18n'
 import Element from 'element-ui'
 import 'element-ui/lib/theme-chalk/index.css'
-import locale from 'element-ui/lib/locale/lang/en'
 
 import filters from '@/utils/filters'
 import router from './router'
@@ -28,7 +27,6 @@ Vue.use(VueAnalytics, {
   id: GOOGLE_ANALYTICS_ID,
   router
 })
-Vue.use(Element, {locale})
 Vue.use(katex)
 Vue.component(IconBtn.name, IconBtn)
 Vue.component(Panel.name, Panel)
diff --git a/src/pages/oj/index.js b/src/pages/oj/index.js
index 1537b16..70be962 100644
--- a/src/pages/oj/index.js
+++ b/src/pages/oj/index.js
@@ -9,7 +9,6 @@ import VueAnalytics from 'vue-analytics'
 import { GOOGLE_ANALYTICS_ID } from '@/utils/constants'
 
 import iView from 'iview'
-import locale from 'iview/dist/locale/en-US'
 import 'iview/dist/styles/iview.css'
 
 import Panel from '@oj/components/Panel.vue'
@@ -39,7 +38,9 @@ Object.keys(filters).forEach(key => {
 })
 
 Vue.config.productionTip = false
-Vue.use(iView, {locale})
+Vue.use(iView, {
+  i18n: (key, value) => i18n.t(key, value)
+})
 
 Vue.use(VueClipboard)
 Vue.use(highlight)