diff --git a/docs/src/DocsApp.vue b/docs/src/DocsApp.vue
index 198ec54cc..9fcb9e8b4 100644
--- a/docs/src/DocsApp.vue
+++ b/docs/src/DocsApp.vue
@@ -3,11 +3,13 @@
     <van-doc
       :base="base"
       :config="config"
-      active="Vue 组件"
       :lang="$vantLang"
+      :github="github"
+      :versions="versions"
       :simulators="simulators"
       :search-config="searchConfig"
       :current-simulator="currentSimulator"
+      @switch-version="onSwitchVersion"
     >
       <router-view @changeDemoURL="onChangeDemoURL" />
     </van-doc>
@@ -15,11 +17,15 @@
 </template>
 
 <script>
-import docConfig from './doc.config';
+import pkgJson from '../../package.json';
+import docConfig, { github, versions, searchConfig } from './doc.config';
 
 export default {
   data() {
-    this.searchConfig = docConfig.searchConfig;
+    this.github = github;
+    this.versions = versions;
+    this.searchConfig = searchConfig;
+
     return {
       simulators: [`mobile.html${location.hash}`],
       demoURL: ''
@@ -44,6 +50,12 @@ export default {
   methods: {
     onChangeDemoURL(url) {
       this.simulators = [this.simulators[0], url];
+    },
+
+    onSwitchVersion(version) {
+      if (version !== pkgJson.version) {
+        location.href = `https://youzan.github.io/vant/${version}`;
+      }
     }
   }
 };
@@ -52,7 +64,7 @@ export default {
 <style lang="less">
 .van-doc-intro {
   padding-top: 20px;
-  font-family: "Dosis", "Source Sans Pro", "Helvetica Neue", Arial, sans-serif;
+  font-family: 'Dosis', 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;
   text-align: center;
 
   &__logo {
diff --git a/docs/src/doc.config.js b/docs/src/doc.config.js
index 0070684b5..7bc7c88c4 100644
--- a/docs/src/doc.config.js
+++ b/docs/src/doc.config.js
@@ -1,11 +1,17 @@
-/* eslint-disable */
-const version = require('../../package.json').version;
+import pkgJson from '../../package.json';
 
-module.exports = {
-  searchConfig: {
-    apiKey: '90067aecdaa2c85220e2783cd305caac', 
-    indexName: 'vant', 
-  },
+const { version } = pkgJson;
+
+export const searchConfig = {
+  apiKey: '90067aecdaa2c85220e2783cd305caac',
+  indexName: 'vant'
+};
+
+export const versions = [version, '1.x'];
+
+export const github = 'https://github.com/youzan/vant';
+
+export default {
   'zh-CN': {
     header: {
       logo: {
@@ -18,8 +24,7 @@ module.exports = {
           text: 'En',
           from: 'zh-CN',
           to: 'en-US'
-        },
-        github: 'https://github.com/youzan/vant'
+        }
       }
     },
     nav: [
@@ -343,7 +348,8 @@ module.exports = {
   'en-US': {
     header: {
       logo: {
-        image: 'https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png',
+        image:
+          'https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png',
         title: 'Vant',
         href: '#/'
       },
@@ -352,8 +358,7 @@ module.exports = {
           text: '中文',
           from: 'en-US',
           to: 'zh-CN'
-        },
-        github: 'https://github.com/youzan/vant'
+        }
       }
     },
     nav: [
diff --git a/package.json b/package.json
index 0760c860e..271de003e 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "@babel/preset-env": "^7.4.4",
     "@babel/preset-typescript": "^7.3.3",
     "@types/jest": "^24.0.13",
-    "@vant/doc": "^2.1.0",
+    "@vant/doc": "^2.2.0",
     "@vant/eslint-config": "^1.1.2",
     "@vant/markdown-loader": "^2.0.0",
     "@vue/babel-preset-jsx": "^1.0.0",
@@ -117,9 +117,9 @@
     "vue-server-renderer": "^2.6.10",
     "vue-template-compiler": "2.6.10",
     "vue-template-es2015-compiler": "^1.9.1",
-    "webpack": "^4.32.0",
+    "webpack": "4.31.0",
     "webpack-cli": "^3.3.2",
-    "webpack-dev-server": "^3.4.1"
+    "webpack-dev-server": "3.3.1"
   },
   "vetur": {
     "tags": "vetur/tags.json",
diff --git a/yarn.lock b/yarn.lock
index 767692774..e97d69e16 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1024,10 +1024,10 @@
     lodash.unescape "4.0.1"
     semver "5.5.0"
 
-"@vant/doc@^2.1.0":
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/@vant/doc/-/doc-2.1.0.tgz#64592449faa6a56a5fcfb89485550531868de632"
-  integrity sha512-6MAY2C+z8gA96uD2cyXVkbnzk5RZc0TOeImx3bVfKS8aG5ihNgyXTZIIVV7t7jh246AUL6tg/wx1vaEDHFeMhg==
+"@vant/doc@^2.2.0":
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/@vant/doc/-/doc-2.2.0.tgz#ffe3592d1a36023ca2cfd81be2f86a417e221869"
+  integrity sha512-PW90FaXdJFa1kbzuCEfH+9nRvf3S3ha2OSViCuMWVU8su8JP+tozIz+JtgiX7Y/P/VWG+X6MuowzvWAGOhnWog==
   dependencies:
     cheerio "0.22.0"
     commander "^2.17.1"
@@ -2212,7 +2212,7 @@ chokidar@^2.0.2:
   optionalDependencies:
     fsevents "^1.2.7"
 
-chokidar@^2.1.6:
+chokidar@^2.1.5:
   version "2.1.6"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.6.tgz#b6cad653a929e244ce8a834244164d241fa954c5"
   integrity sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==
@@ -2872,7 +2872,7 @@ del@^3.0.0:
     pify "^3.0.0"
     rimraf "^2.2.8"
 
-del@^4.1.1:
+del@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/del/-/del-4.1.1.tgz#9e8f117222ea44a31ff3a156c049b99052a9f0b4"
   integrity sha512-QwGuEUouP2kVwQenAsOof5Fv8K9t3D8Ca8NxcXKrIpEHjTXK5J2nXLdP+ALI1cgv8wj7KuwBhTwBkOZSJKM5XQ==
@@ -3610,7 +3610,7 @@ expect@^24.8.0:
     jest-message-util "^24.8.0"
     jest-regex-util "^24.3.0"
 
-express@^4.17.0:
+express@^4.16.4:
   version "4.17.0"
   resolved "https://registry.yarnpkg.com/express/-/express-4.17.0.tgz#288af62228a73f4c8ea2990ba3b791bb87cd4438"
   integrity sha512-1Z7/t3Z5ZnBG252gKUPyItc4xdeaA0X934ca2ewckAsVsw9EG71i++ZHZPYnus8g/s5Bty8IMpSVEuRkmwwPRQ==
@@ -4742,7 +4742,7 @@ inquirer@^6.2.2:
     strip-ansi "^5.1.0"
     through "^2.3.6"
 
-internal-ip@^4.3.0:
+internal-ip@^4.2.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-4.3.0.tgz#845452baad9d2ca3b69c635a137acb9a0dad0907"
   integrity sha512-S1zBo1D6zcsyuC6PMmY5+55YMILQ9av8lotMx447Bq6SAgo/sDK6y6uUKmuYhW7eacnIhFfsPmCNYdDzsnnDCg==
@@ -9895,7 +9895,7 @@ webpack-cli@^3.3.2:
     v8-compile-cache "^2.0.2"
     yargs "^12.0.5"
 
-webpack-dev-middleware@^3.7.0:
+webpack-dev-middleware@^3.6.2:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.7.0.tgz#ef751d25f4e9a5c8a35da600c5fda3582b5c6cff"
   integrity sha512-qvDesR1QZRIAZHOE3iQ4CXLZZSQ1lAUsSpnQmlB1PBfoN/xdRjmge3Dok0W4IdaVLJOGJy3sGI4sZHwjRU0PCA==
@@ -9905,23 +9905,23 @@ webpack-dev-middleware@^3.7.0:
     range-parser "^1.2.1"
     webpack-log "^2.0.0"
 
-webpack-dev-server@^3.4.1:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.4.1.tgz#a5fd8dec95dec410098e7d9a037ff9405395d51a"
-  integrity sha512-CRqZQX2ryMtrg0r3TXQPpNh76eM1HD3Wmu6zDBxIKi/d2y+4aa28Ia8weNT0bfgWpY6Vs3Oq/K8+DjfbR+tWYw==
+webpack-dev-server@3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.3.1.tgz#7046e49ded5c1255a82c5d942bcdda552b72a62d"
+  integrity sha512-jY09LikOyGZrxVTXK0mgIq9y2IhCoJ05848dKZqX1gAGLU1YDqgpOT71+W53JH/wI4v6ky4hm+KvSyW14JEs5A==
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"
-    chokidar "^2.1.6"
+    chokidar "^2.1.5"
     compression "^1.7.4"
     connect-history-api-fallback "^1.6.0"
     debug "^4.1.1"
-    del "^4.1.1"
-    express "^4.17.0"
+    del "^4.1.0"
+    express "^4.16.4"
     html-entities "^1.2.1"
     http-proxy-middleware "^0.19.1"
     import-local "^2.0.0"
-    internal-ip "^4.3.0"
+    internal-ip "^4.2.0"
     ip "^1.1.5"
     killable "^1.0.1"
     loglevel "^1.6.1"
@@ -9937,7 +9937,7 @@ webpack-dev-server@^3.4.1:
     strip-ansi "^3.0.1"
     supports-color "^6.1.0"
     url "^0.11.0"
-    webpack-dev-middleware "^3.7.0"
+    webpack-dev-middleware "^3.6.2"
     webpack-log "^2.0.0"
     yargs "12.0.5"
 
@@ -9957,10 +9957,10 @@ webpack-sources@^1.1.0, webpack-sources@^1.3.0:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^4.32.0:
-  version "4.32.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.32.0.tgz#d8726fe73bb362e0e48171990f362df5e747747b"
-  integrity sha512-ofFq9jjAn4HRzlmkcZZrjijbRZcqDw+mM9KrjKd0r6lS0qxyZ7jzICzhphGafXL62dGdjP7TgMK9mZeMLUgZgw==
+webpack@4.31.0:
+  version "4.31.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.31.0.tgz#ae201d45f0571336e42d1c2b5c8ab56c4d3b0c63"
+  integrity sha512-n6RVO3X0LbbipoE62akME9K/JI7qYrwwufs20VvgNNpqUoH4860KkaxJTbGq5bgkVZF9FqyyTG/0WPLH3PVNJA==
   dependencies:
     "@webassemblyjs/ast" "1.8.5"
     "@webassemblyjs/helper-module-context" "1.8.5"