diff --git a/package.json b/package.json
index 24d9e40a2..e1e67e183 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
   },
   "devDependencies": {
     "@vant/cli": "^2.7.0",
-    "prettier": "^2.0.4",
+    "prettier": "2.1.0",
     "vue": "^2.6.12",
     "vue-template-compiler": "^2.6.12"
   },
diff --git a/src/empty/README.md b/src/empty/README.md
index ff3bdf7e2..8c5fce515 100644
--- a/src/empty/README.md
+++ b/src/empty/README.md
@@ -50,9 +50,7 @@ Use the image prop to display different placeholder images.
 
 ```html
 <van-empty description="Description">
-  <van-button round type="danger" class="bottom-button">
-    Button
-  </van-button>
+  <van-button round type="danger" class="bottom-button">Button</van-button>
 </van-empty>
 
 <style>
diff --git a/src/empty/README.zh-CN.md b/src/empty/README.zh-CN.md
index 419b56230..dc46b5d34 100644
--- a/src/empty/README.zh-CN.md
+++ b/src/empty/README.zh-CN.md
@@ -59,9 +59,7 @@ Empty 组件内置了多种占位图片类型，可以在不同业务场景下
 
 ```html
 <van-empty description="描述文字">
-  <van-button round type="danger" class="bottom-button">
-    按钮
-  </van-button>
+  <van-button round type="danger" class="bottom-button">按钮</van-button>
 </van-empty>
 
 <style>
diff --git a/src/form/README.zh-CN.md b/src/form/README.zh-CN.md
index cf6018f3c..b89b80527 100644
--- a/src/form/README.zh-CN.md
+++ b/src/form/README.zh-CN.md
@@ -37,9 +37,7 @@ Vue.use(Form);
     :rules="[{ required: true, message: '请填写密码' }]"
   />
   <div style="margin: 16px;">
-    <van-button round block type="info" native-type="submit">
-      提交
-    </van-button>
+    <van-button round block type="info" native-type="submit">提交</van-button>
   </div>
 </van-form>
 ```
@@ -88,9 +86,7 @@ export default {
     :rules="[{ validator: asyncValidator, message: '请输入正确内容' }]"
   />
   <div style="margin: 16px;">
-    <van-button round block type="info" native-type="submit">
-      提交
-    </van-button>
+    <van-button round block type="info" native-type="submit">提交</van-button>
   </div>
 </van-form>
 ```
@@ -530,9 +526,7 @@ export default {
 在表单中，除了提交按钮外，可能还有一些其他的功能性按钮，如发送验证码按钮。在使用这些按钮时，要注意将`native-type`设置为`button`，否则会触发表单提交。
 
 ```html
-<van-button native-type="button">
-  发送验证码
-</van-button>
+<van-button native-type="button">发送验证码</van-button>
 ```
 
 这个问题的原因是浏览器中 button 标签 type 属性的默认值为`submit`，导致触发表单提交。我们会在下个大版本中将 type 的默认值调整为`button`来避免这个问题。
diff --git a/src/notice-bar/README.md b/src/notice-bar/README.md
index 7c34589b2..7746de8f0 100644
--- a/src/notice-bar/README.md
+++ b/src/notice-bar/README.md
@@ -33,21 +33,15 @@ Vue.use(NoticeBar);
 ### Wrapable
 
 ```html
-<van-notice-bar wrapable :scrollable="false">
-  Notice Content
-</van-notice-bar>
+<van-notice-bar wrapable :scrollable="false">Notice Content</van-notice-bar>
 ```
 
 ### Mode
 
 ```html
-<van-notice-bar mode="closeable">
-  Notice Content
-</van-notice-bar>
+<van-notice-bar mode="closeable">Notice Content</van-notice-bar>
 
-<van-notice-bar mode="link">
-  Notice Content
-</van-notice-bar>
+<van-notice-bar mode="link">Notice Content</van-notice-bar>
 ```
 
 ### Custom Style
diff --git a/src/notice-bar/README.zh-CN.md b/src/notice-bar/README.zh-CN.md
index 2dcb42b9c..a761ba477 100644
--- a/src/notice-bar/README.zh-CN.md
+++ b/src/notice-bar/README.zh-CN.md
@@ -59,14 +59,10 @@ Vue.use(NoticeBar);
 
 ```html
 <!-- closeable 模式，在右侧显示关闭按钮 -->
-<van-notice-bar mode="closeable">
-  技术是开发它的人的共同灵魂。
-</van-notice-bar>
+<van-notice-bar mode="closeable">技术是开发它的人的共同灵魂。</van-notice-bar>
 
 <!-- link 模式，在右侧显示链接箭头 -->
-<van-notice-bar mode="link">
-  技术是开发它的人的共同灵魂。
-</van-notice-bar>
+<van-notice-bar mode="link">技术是开发它的人的共同灵魂。</van-notice-bar>
 ```
 
 ### 自定义样式
diff --git a/src/number-keyboard/README.md b/src/number-keyboard/README.md
index 5229bf104..3e2032e33 100644
--- a/src/number-keyboard/README.md
+++ b/src/number-keyboard/README.md
@@ -14,9 +14,7 @@ Vue.use(NumberKeyboard);
 ### Default Keyboard
 
 ```html
-<van-cell @touchstart.native.stop="show = true">
-  Show Keyboard
-</van-cell>
+<van-cell @touchstart.native.stop="show = true">Show Keyboard</van-cell>
 <van-number-keyboard
   :show="show"
   @blur="show = false"
diff --git a/src/number-keyboard/README.zh-CN.md b/src/number-keyboard/README.zh-CN.md
index 2ea34310e..9949a7d14 100644
--- a/src/number-keyboard/README.zh-CN.md
+++ b/src/number-keyboard/README.zh-CN.md
@@ -20,9 +20,7 @@ Vue.use(NumberKeyboard);
 数字键盘提供了 `input`、`delete`、`blur` 事件，分别对应输入内容、删除内容和失去焦点的动作。
 
 ```html
-<van-cell @touchstart.native.stop="show = true">
-  弹出默认键盘
-</van-cell>
+<van-cell @touchstart.native.stop="show = true">弹出默认键盘</van-cell>
 <van-number-keyboard
   :show="show"
   @blur="show = false"
diff --git a/src/popover/README.md b/src/popover/README.md
index 4bcb3e789..731cc5346 100644
--- a/src/popover/README.md
+++ b/src/popover/README.md
@@ -21,9 +21,7 @@ Vue.use(Popover);
   @select="onSelect"
 >
   <template #reference>
-    <van-button type="primary">
-      Light Theme
-    </van-button>
+    <van-button type="primary">Light Theme</van-button>
   </template>
 </van-popover>
 ```
@@ -62,9 +60,7 @@ Using the `theme` prop to change the style of Popover.
   :actions="actions"
 >
   <template #reference>
-    <van-button type="primary">
-      Dark Theme
-    </van-button>
+    <van-button type="primary">Dark Theme</van-button>
   </template>
 </van-popover>
 ```
@@ -112,9 +108,7 @@ bottom-end    # Bottom right
 ```html
 <van-popover v-model="showPopover" trigger="click" :actions="actions">
   <template #reference>
-    <van-button type="primary">
-      Show Icon
-    </van-button>
+    <van-button type="primary">Show Icon</van-button>
   </template>
 </van-popover>
 ```
@@ -141,9 +135,7 @@ Using the `disabled` option to disable an action.
 ```html
 <van-popover v-model="showPopover" trigger="click" :actions="actions">
   <template #reference>
-    <van-button type="primary">
-      Disable Action
-    </van-button>
+    <van-button type="primary">Disable Action</van-button>
   </template>
 </van-popover>
 ```
diff --git a/src/popover/README.zh-CN.md b/src/popover/README.zh-CN.md
index 99b2af080..757ba697f 100644
--- a/src/popover/README.zh-CN.md
+++ b/src/popover/README.zh-CN.md
@@ -27,9 +27,7 @@ Vue.use(Popover);
   @select="onSelect"
 >
   <template #reference>
-    <van-button type="primary">
-      浅色风格
-    </van-button>
+    <van-button type="primary">浅色风格</van-button>
   </template>
 </van-popover>
 ```
@@ -65,9 +63,7 @@ Popover 支持浅色和深色两种风格，默认为浅色风格，将 `theme`
   :actions="actions"
 >
   <template #reference>
-    <van-button type="primary">
-      深色风格
-    </van-button>
+    <van-button type="primary">深色风格</van-button>
   </template>
 </van-popover>
 ```
@@ -115,9 +111,7 @@ bottom-end    # 底部右侧位置
 ```html
 <van-popover v-model="showPopover" trigger="click" :actions="actions">
   <template #reference>
-    <van-button type="primary">
-      展示图标
-    </van-button>
+    <van-button type="primary">展示图标</van-button>
   </template>
 </van-popover>
 ```
@@ -144,9 +138,7 @@ export default {
 ```html
 <van-popover v-model="showPopover" trigger="click" :actions="actions">
   <template #reference>
-    <van-button type="primary">
-      禁用选项
-    </van-button>
+    <van-button type="primary">禁用选项</van-button>
   </template>
 </van-popover>
 ```
@@ -188,9 +180,7 @@ export default {
     />
   </van-grid>
   <template #reference>
-    <van-button type="primary">
-      自定义内容
-    </van-button>
+    <van-button type="primary">自定义内容</van-button>
   </template>
 </van-popover>
 ```
diff --git a/src/swipe-cell/README.md b/src/swipe-cell/README.md
index bc7fd3c41..881124cbf 100644
--- a/src/swipe-cell/README.md
+++ b/src/swipe-cell/README.md
@@ -133,10 +133,10 @@ export default {
 
 Use [ref](https://vuejs.org/v2/api/#ref) to get SwipeCell instance and call instance methods.
 
-| Name  | Description     | Attribute                | Return value |
-| ----- | --------------- | ------------------------ | ------------ |
-| open  | open SwipeCell  | position: `left | right` | -            |
-| close | close SwipeCell | -                        | -            |
+| Name  | Description     | Attribute                 | Return value |
+| ----- | --------------- | ------------------------- | ------------ |
+| open  | open SwipeCell  | position: `left \| right` | -            |
+| close | close SwipeCell | -                         | -            |
 
 ### Less Variables
 
diff --git a/src/swipe-cell/README.zh-CN.md b/src/swipe-cell/README.zh-CN.md
index dc6327be4..e80f60f46 100644
--- a/src/swipe-cell/README.zh-CN.md
+++ b/src/swipe-cell/README.zh-CN.md
@@ -147,10 +147,10 @@ beforeClose 的第一个参数为对象，对象中包含以下属性：
 
 通过 ref 可以获取到 SwipeCell 实例并调用实例方法，详见[组件实例方法](#/zh-CN/advanced-usage#zu-jian-shi-li-fang-fa)。
 
-| 方法名 | 说明             | 参数                     | 返回值 |
-| ------ | ---------------- | ------------------------ | ------ |
-| open   | 打开单元格侧边栏 | position: `left | right` | -      |
-| close  | 收起单元格侧边栏 | -                        | -      |
+| 方法名 | 说明             | 参数                      | 返回值 |
+| ------ | ---------------- | ------------------------- | ------ |
+| open   | 打开单元格侧边栏 | position: `left \| right` | -      |
+| close  | 收起单元格侧边栏 | -                         | -      |
 
 ### 样式变量
 
diff --git a/src/swipe/README.md b/src/swipe/README.md
index 208395a95..daf39a115 100644
--- a/src/swipe/README.md
+++ b/src/swipe/README.md
@@ -121,9 +121,7 @@ export default {
   <van-swipe-item>3</van-swipe-item>
   <van-swipe-item>4</van-swipe-item>
   <template #indicator>
-    <div class="custom-indicator">
-      {{ current + 1 }}/4
-    </div>
+    <div class="custom-indicator">{{ current + 1 }}/4</div>
   </template>
 </van-swipe>
 
diff --git a/src/swipe/README.zh-CN.md b/src/swipe/README.zh-CN.md
index a52cbe5ca..e5ff1135d 100644
--- a/src/swipe/README.zh-CN.md
+++ b/src/swipe/README.zh-CN.md
@@ -131,9 +131,7 @@ export default {
   <van-swipe-item>3</van-swipe-item>
   <van-swipe-item>4</van-swipe-item>
   <template #indicator>
-    <div class="custom-indicator">
-      {{ current + 1 }}/4
-    </div>
+    <div class="custom-indicator">{{ current + 1 }}/4</div>
   </template>
 </van-swipe>
 
diff --git a/src/tabbar/README.md b/src/tabbar/README.md
index 98c67a9ef..5b1b68697 100644
--- a/src/tabbar/README.md
+++ b/src/tabbar/README.md
@@ -136,12 +136,8 @@ export default {
 <router-view />
 
 <van-tabbar route>
-  <van-tabbar-item replace to="/home" icon="home-o">
-    Tab
-  </van-tabbar-item>
-  <van-tabbar-item replace to="/search" icon="search">
-    Tab
-  </van-tabbar-item>
+  <van-tabbar-item replace to="/home" icon="home-o">Tab</van-tabbar-item>
+  <van-tabbar-item replace to="/search" icon="search">Tab</van-tabbar-item>
 </van-tabbar>
 ```
 
diff --git a/src/tabbar/README.zh-CN.md b/src/tabbar/README.zh-CN.md
index 12dd04df9..9b3e5beb7 100644
--- a/src/tabbar/README.zh-CN.md
+++ b/src/tabbar/README.zh-CN.md
@@ -144,12 +144,8 @@ export default {
 <router-view />
 
 <van-tabbar route>
-  <van-tabbar-item replace to="/home" icon="home-o">
-    标签
-  </van-tabbar-item>
-  <van-tabbar-item replace to="/search" icon="search">
-    标签
-  </van-tabbar-item>
+  <van-tabbar-item replace to="/home" icon="home-o">标签</van-tabbar-item>
+  <van-tabbar-item replace to="/search" icon="search">标签</van-tabbar-item>
 </van-tabbar>
 ```
 
diff --git a/yarn.lock b/yarn.lock
index 1eb8255af..826c9ed9b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9489,15 +9489,20 @@ prepend-http@^2.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
+prettier@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.npm.taobao.org/prettier/download/prettier-2.1.0.tgz?cache=0&sync_timestamp=1606521234483&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fprettier%2Fdownload%2Fprettier-2.1.0.tgz#5a9789f767a243118c60f3e56d95cb6544914fbb"
+  integrity sha1-WpeJ92eiQxGMYPPlbZXLZUSRT7s=
+
 prettier@^1.18.2:
   version "1.19.1"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
   integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
 
-prettier@^2.0.4, prettier@^2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
-  integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
+prettier@^2.0.5:
+  version "2.2.1"
+  resolved "https://registry.npm.taobao.org/prettier/download/prettier-2.2.1.tgz?cache=0&sync_timestamp=1606521150228&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fprettier%2Fdownload%2Fprettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
+  integrity sha1-eVoaeN1S8HPaDNQrIfnJE4GSP/U=
 
 pretty-error@^2.1.1:
   version "2.1.1"