diff --git a/components/drawer/__tests__/MultiDrawer.test.js b/components/drawer/__tests__/MultiDrawer.test.js
index f1abfccc15f6..266cdea65622 100644
--- a/components/drawer/__tests__/MultiDrawer.test.js
+++ b/components/drawer/__tests__/MultiDrawer.test.js
@@ -40,7 +40,7 @@ class MultiDrawer extends React.Component {
         </Button>
         <Drawer
           title="Multi-level drawer"
-          wrapClassName="test_drawer"
+          className="test_drawer"
           width={520}
           closable={false}
           onClose={this.onClose}
diff --git a/components/drawer/demo/basic-left.md b/components/drawer/demo/basic-left.md
index 96851e40659a..1caf745dea25 100644
--- a/components/drawer/demo/basic-left.md
+++ b/components/drawer/demo/basic-left.md
@@ -55,9 +55,3 @@ class App extends React.Component {
 
 ReactDOM.render(<App />, mountNode);
 ```
-
-<style>
-#_hj_feedback_container{
-  display:none
-}
-</style>
diff --git a/components/drawer/demo/basic-right.md b/components/drawer/demo/basic-right.md
index 0efa947b475f..69084e4096da 100644
--- a/components/drawer/demo/basic-right.md
+++ b/components/drawer/demo/basic-right.md
@@ -55,10 +55,3 @@ class App extends React.Component {
 
 ReactDOM.render(<App />, mountNode);
 ```
-
-
-<style>
-#_hj_feedback_container{
-  display:none
-}
-</style>
\ No newline at end of file
diff --git a/components/drawer/demo/from-drawer.md b/components/drawer/demo/from-drawer.md
index 3aa0e7d821e3..b832ef2e2550 100644
--- a/components/drawer/demo/from-drawer.md
+++ b/components/drawer/demo/from-drawer.md
@@ -28,11 +28,9 @@ class DrawerForm extends React.Component {
   };
 
   onClose = () => {
-    this.setState(
-      {
-        visible: false,
-      }
-    );
+    this.setState({
+      visible: false,
+    });
   };
 
   render() {
@@ -174,13 +172,8 @@ class DrawerForm extends React.Component {
     );
   }
 }
+
 const App = Form.create()(DrawerForm);
 
 ReactDOM.render(<App />, mountNode);
 ```
-
-<style>
-#_hj_feedback_container{
-  display:none
-}
-</style>
\ No newline at end of file
diff --git a/components/drawer/demo/multi-level-drawer.md b/components/drawer/demo/multi-level-drawer.md
index 51465377861a..c64dfd7fde2b 100644
--- a/components/drawer/demo/multi-level-drawer.md
+++ b/components/drawer/demo/multi-level-drawer.md
@@ -52,13 +52,12 @@ class App extends React.Component {
         <Drawer
           title="Multi-level drawer"
           width={520}
-          wrapClassName="test_drawer"
           closable={false}
           onClose={this.onClose}
           visible={this.state.visible}
         >
           <Button type="primary" onClick={this.showChildrenDrawer}>
-              Two-level drawer
+            Two-level drawer
           </Button>
           <Drawer
             title="Two-level Drawer"
@@ -102,9 +101,3 @@ class App extends React.Component {
 
 ReactDOM.render(<App />, mountNode);
 ```
-
-<style>
-#_hj_feedback_container{
-  display:none
-}
-</style>
diff --git a/components/drawer/demo/user-profile.md b/components/drawer/demo/user-profile.md
index a12e416cbdc9..f472e6f31cd1 100644
--- a/components/drawer/demo/user-profile.md
+++ b/components/drawer/demo/user-profile.md
@@ -24,29 +24,27 @@ const pStyle = {
   marginBottom: 16,
 };
 
-const DescriptionItem = ({ title, content }) => {
-  return (
-    <div
+const DescriptionItem = ({ title, content }) => (
+  <div
+    style={{
+      fontSize: 14,
+      lineHeight: '22px',
+      marginBottom: 7,
+      color: 'rgba(0,0,0,0.65)',
+    }}
+  >
+    <p
       style={{
-        fontSize: 14,
-        lineHeight: '22px',
-        marginBottom: 7,
-        color: 'rgba(0,0,0,0.65)',
+        marginRight: 8,
+        display: 'inline-block',
+        color: 'rgba(0,0,0,0.85)',
       }}
     >
-      <p
-        style={{
-          marginRight: 8,
-          display: 'inline-block',
-          color: 'rgba(0,0,0,0.85)',
-        }}
-      >
-        {title}:
-      </p>
-      {content}
-    </div>
-  );
-};
+      {title}:
+    </p>
+    {content}
+  </div>
+);
 
 class App extends React.Component {
   state = { visible: false };
@@ -185,9 +183,3 @@ class App extends React.Component {
 
 ReactDOM.render(<App />, mountNode);
 ```
-
-<style>
-#_hj_feedback_container{
-  display:none
-}
-</style>
\ No newline at end of file
diff --git a/components/drawer/index.en-US.md b/components/drawer/index.en-US.md
index 52382735479f..2b7bfc60b535 100644
--- a/components/drawer/index.en-US.md
+++ b/components/drawer/index.en-US.md
@@ -31,3 +31,9 @@ A Drawer is a panel that is typically overlaid on top of a page and slides in fr
 | zIndex | The `z-index` of the Drawer. | Number | 1000 |
 | placement | The placement of the Drawer. | 'left' \| 'right' | 'right'
 | onClose | Specify a callback that will be called when a user clicks mask, close button or Cancel button. | function(e) | - |
+
+<style>
+#_hj_feedback_container {
+  display: none;
+}
+</style>
diff --git a/components/drawer/index.zh-CN.md b/components/drawer/index.zh-CN.md
index 001bc7230732..e1ac2987cbbb 100644
--- a/components/drawer/index.zh-CN.md
+++ b/components/drawer/index.zh-CN.md
@@ -32,3 +32,9 @@ title: Drawer
 | zIndex | 设置 Drawer 的 `z-index` | Number | 1000 |
 | placement | 抽屉的方向 | 'left' \| 'right' | 'right'
 | onClose | 点击遮罩层或右上角叉或取消按钮的回调 | function(e) | 无 |
+
+<style>
+#_hj_feedback_container {
+  display: none;
+}
+</style>