diff --git a/zh-cn/application-dev/connectivity/http-request.md b/zh-cn/application-dev/connectivity/http-request.md
index 6ad65e83fedc048acd98e4d9b0505c7d392f2b59..02459f5296451f936bdf14d5aa1a2637474d64e0 100644
--- a/zh-cn/application-dev/connectivity/http-request.md
+++ b/zh-cn/application-dev/connectivity/http-request.md
@@ -158,7 +158,6 @@ httpRequest.request2(
     httpRequest.destroy();
   }
 );
-
 ```
 
 ## 相关实例
diff --git a/zh-cn/application-dev/connectivity/net-connection-manager.md b/zh-cn/application-dev/connectivity/net-connection-manager.md
index da18b006290da520dc9c58ce976d61bf2b659274..c5f714349de1a627c0c34fe5c6e661131818660d 100644
--- a/zh-cn/application-dev/connectivity/net-connection-manager.md
+++ b/zh-cn/application-dev/connectivity/net-connection-manager.md
@@ -81,7 +81,7 @@
 6. 当不使用该网络时，可以调用该对象的unregister()方法，取消订阅。
 
 ```js
-   // 引入包名
+// 引入包名
 import connection from '@ohos.net.connection'
 
 let netCap = {
@@ -128,7 +128,7 @@ conn.unregister((err, data) => {
 2. 调用getAllNets方法，获取所有处于连接状态的网络列表。
 
 ```js
-   // 引入包名
+// 引入包名
 import connection from '@ohos.net.connection'
 
 // 获取所有处于连接状态的网络列表
@@ -154,7 +154,7 @@ connection.getAllNets((err, data) => {
 4. 调用getConnectionProperties方法，获取NetHandle对应网络的连接信息。
 
 ```js
-   // 引入包名
+// 引入包名
 import connection from '@ohos.net.connection'
 
 // 调用getDefaultNet方法，获取默认的数据网络(NetHandle)
diff --git a/zh-cn/application-dev/connectivity/net-ethernet.md b/zh-cn/application-dev/connectivity/net-ethernet.md
index f666aa574a6d8c6ac8de59b2e5626dda15d21693..57439242efb376021a9c298faef369458e9172d8 100644
--- a/zh-cn/application-dev/connectivity/net-ethernet.md
+++ b/zh-cn/application-dev/connectivity/net-ethernet.md
@@ -44,7 +44,7 @@
 5. 用户态通过getIfaceConfig方法，来获取指定网口“eth0”的网络属性，未设置过的以太网络默认为DHCP模式，获取自动分配的网络属性。
 
 ```js
-   // 从@ohos.net.ethernet中导入ethernet命名空间
+// 从@ohos.net.ethernet中导入ethernet命名空间
 import ethernet from '@ohos.net.ethernet'
 
 // getAllActiveIfaces获取所有活动的网络设备名称
@@ -96,7 +96,7 @@ ethernet.getIfaceConfig("eth0", (error, data) => {
 6. 用户态通过getIfaceConfig方法，来获取指定网口“eth0”的静态网络属性。
 
 ```js
-   // 从@ohos.net.ethernet中导入ethernet命名空间
+// 从@ohos.net.ethernet中导入ethernet命名空间
 import ethernet from '@ohos.net.ethernet'
 
 // getAllActiveIfaces获取所有活动的网络设备名称
@@ -158,13 +158,13 @@ ethernet.getIfaceConfig("eth0", (error, data) => {
 4. 调用该对象的off()方法，取消订阅interfaceStateChange事件。
 
 ```js
-   // 从@ohos.net.ethernet中导入ethernet命名空间
+// 从@ohos.net.ethernet中导入ethernet命名空间
 import ethernet from '@ohos.net.ethernet'
 
 // 订阅interfaceStateChange事件
-ethernet.on('interfaceStateChange', ((data) => {
+ethernet.on('interfaceStateChange', (data) => {
   console.log(JSON.stringify(data));
-}));
+});
 
 // 取消事件订阅
 ethernet.off('interfaceStateChange');
diff --git a/zh-cn/application-dev/connectivity/net-sharing.md b/zh-cn/application-dev/connectivity/net-sharing.md
index c4e0186d8dad9eb51be4f925e2d48db6796c7340..2face74e3b841a0f2637499bdcb8a874bc312356 100644
--- a/zh-cn/application-dev/connectivity/net-sharing.md
+++ b/zh-cn/application-dev/connectivity/net-sharing.md
@@ -60,7 +60,7 @@
 4. 接收到共享状态开启的回调，开启共享成功。
 
 ```js
-   // 从@ohos.net.sharing中导入sharing命名空间
+// 从@ohos.net.sharing中导入sharing命名空间
 import sharing from '@ohos.net.sharing'
 
 // 注册监听共享状态的改变
@@ -85,7 +85,7 @@ sharing.startSharing(sharing.SharingIfaceType.SHARING_WIFI, (error) => {
 4. 接收到共享状态关闭的回调，停止共享成功。
 
 ```js
-   // 从@ohos.net.sharing中导入sharing命名空间
+// 从@ohos.net.sharing中导入sharing命名空间
 import sharing from '@ohos.net.sharing'
 
 // 注册监听共享状态的改变
@@ -110,7 +110,7 @@ sharing.stopSharing(sharing.SharingIfaceType.SHARING_WIFI, (error) => {
 4. 调用stopSharing方法，来停止指定类型共享，共享网络数据量清零。
 
 ```js
-   // 从@ohos.net.sharing中导入sharing命名空间
+// 从@ohos.net.sharing中导入sharing命名空间
 import sharing from '@ohos.net.sharing'
 
 // 调用startSharing方法，来开启指定类型共享
diff --git a/zh-cn/application-dev/connectivity/socket-connection.md b/zh-cn/application-dev/connectivity/socket-connection.md
index 401678e44fd34b0692953d635750c026bd617f2e..6e0642eb039af3bfd9a97ca03b931a69dbeec957 100644
--- a/zh-cn/application-dev/connectivity/socket-connection.md
+++ b/zh-cn/application-dev/connectivity/socket-connection.md
@@ -87,81 +87,81 @@ UDP与TCP流程大体类似，下面以TCP为例：
 
 7. Socket连接使用完毕后，主动关闭。
 
-   ```js
-   import socket from '@ohos.net.socket'
-
-   // 创建一个TCPSocket连接，返回一个TCPSocket对象。
-   let tcp = socket.constructTCPSocketInstance();
-
-   // 订阅TCPSocket相关的订阅事件
-   tcp.on('message', value => {
-       console.log("on message")
-       let buffer = value.message
-       let dataView = new DataView(buffer)
-       let str = ""
-       for (let i = 0;i < dataView.byteLength; ++i) {
-           str += String.fromCharCode(dataView.getUint8(i))
-       }
-       console.log("on connect received:" + str)
-   });
-   tcp.on('connect', () => {
-       console.log("on connect")
-   });
-   tcp.on('close', () => {
-       console.log("on close")
-   });
-
-   // 绑定本地IP地址和端口。
-   let bindAddress = {
-       address: '192.168.xx.xx',
-       port: 1234, // 绑定端口，如1234
-       family: 1
-   };
-   tcp.bind(bindAddress, err => {
-       if (err) {
-           console.log('bind fail');
-           return;
-       }
-       console.log('bind success');
-
-       // 连接到指定的IP地址和端口。
-       let connectAddress = {
-           address: '192.168.xx.xx',
-           port: 5678, // 连接端口，如5678
-           family: 1
-       };
-       tcp.connect({
-           address: connectAddress, timeout: 6000
-       }, err => {
-           if (err) {
-               console.log('connect fail');
-               return;
-           }
-           console.log('connect success');
-
-           // 发送数据
-           tcp.send({
-               data: 'Hello, server!'
-           }, err => {
-               if (err) {
-                   console.log('send fail');
-                   return;
-               }
-               console.log('send success');
-           })
-       });
-   });
-
-   // 连接使用完毕后，主动关闭。取消相关事件的订阅。
-   setTimeout(() => {
-       tcp.close((err) => {
-           console.log('close socket.')
-       });
-       tcp.off('message');
-       tcp.off('connect');
-       tcp.off('close');
-   }, 30 * 1000);
-   ```
+```js
+import socket from '@ohos.net.socket'
+
+// 创建一个TCPSocket连接，返回一个TCPSocket对象。
+let tcp = socket.constructTCPSocketInstance();
+
+// 订阅TCPSocket相关的订阅事件
+tcp.on('message', value => {
+  console.log("on message")
+  let buffer = value.message
+  let dataView = new DataView(buffer)
+  let str = ""
+  for (let i = 0; i < dataView.byteLength; ++i) {
+    str += String.fromCharCode(dataView.getUint8(i))
+  }
+  console.log("on connect received:" + str)
+});
+tcp.on('connect', () => {
+  console.log("on connect")
+});
+tcp.on('close', () => {
+  console.log("on close")
+});
+
+// 绑定本地IP地址和端口。
+let bindAddress = {
+  address: '192.168.xx.xx',
+  port: 1234, // 绑定端口，如1234
+  family: 1
+};
+tcp.bind(bindAddress, err => {
+  if (err) {
+    console.log('bind fail');
+    return;
+  }
+  console.log('bind success');
+
+  // 连接到指定的IP地址和端口。
+  let connectAddress = {
+    address: '192.168.xx.xx',
+    port: 5678, // 连接端口，如5678
+    family: 1
+  };
+  tcp.connect({
+    address: connectAddress, timeout: 6000
+  }, err => {
+    if (err) {
+      console.log('connect fail');
+      return;
+    }
+    console.log('connect success');
+
+    // 发送数据
+    tcp.send({
+      data: 'Hello, server!'
+    }, err => {
+      if (err) {
+        console.log('send fail');
+        return;
+      }
+      console.log('send success');
+    })
+  });
+});
+
+// 连接使用完毕后，主动关闭。取消相关事件的订阅。
+setTimeout(() => {
+  tcp.close((err) => {
+    console.log('close socket.')
+  });
+  tcp.off('message');
+  tcp.off('connect');
+  tcp.off('close');
+}, 30 * 1000);
+```
 
 ## 应用通过TLS Socket进行加密数据传输
 
@@ -184,7 +184,7 @@ UDP与TCP流程大体类似，下面以TCP为例：
 7. TLSSocket连接使用完毕后，主动关闭。
 
 ```js
-   import socket from '@ohos.net.socket'
+import socket from '@ohos.net.socket'
 
 // 创建一个（双向认证）TLS Socket连接，返回一个TLS Socket对象。
 let tlsTwoWay = socket.constructTLSSocketInstance();
@@ -208,7 +208,7 @@ tlsTwoWay.on('close', () => {
 });
 
 // 绑定本地IP地址和端口。
-tlsTwoWay.bind({address: '192.168.xxx.xxx', port: xxxx, family: 1}, err => {
+tlsTwoWay.bind({ address: '192.168.xxx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -280,7 +280,7 @@ tlsTwoWay.on('close', () => {
 });
 
 // 绑定本地IP地址和端口。
-tlsOneWay.bind({address: '192.168.xxx.xxx', port: xxxx, family: 1}, err => {
+tlsOneWay.bind({ address: '192.168.xxx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
diff --git a/zh-cn/application-dev/connectivity/websocket-connection.md b/zh-cn/application-dev/connectivity/websocket-connection.md
index ddd3225c4f3e082df510ae9d7fddac51b877845a..f0235e12fe2a050c8b317e47ba3a254e66760e0b 100644
--- a/zh-cn/application-dev/connectivity/websocket-connection.md
+++ b/zh-cn/application-dev/connectivity/websocket-connection.md
@@ -37,49 +37,49 @@ WebSocket连接功能主要由webSocket模块提供。使用该功能需要申
 
 5. 使用完WebSocket连接之后，主动断开连接。
 
-   ```js
-   import webSocket from '@ohos.net.webSocket';
-   
-   var defaultIpAddress = "ws://";
-   let ws = webSocket.createWebSocket();
-   ws.on('open', (err, value) => {
-       console.log("on open, status:" + JSON.stringify(value));
-       // 当收到on('open')事件时，可以通过send()方法与服务器进行通信
-       ws.send("Hello, server!", (err, value) => {
-           if (!err) {
-               console.log("Message sent successfully");
-           } else {
-               console.log("Failed to send the message. Err:" + JSON.stringify(err));
-           }
-       });
-   });
-   ws.on('message', (err, value) => {
-       console.log("on message, message:" + value);
-       // 当收到服务器的`bye`消息时（此消息字段仅为示意，具体字段需要与服务器协商），主动断开连接
-       if (value === 'bye') {
-           ws.close((err, value) => {
-               if (!err) {
-                   console.log("Connection closed successfully");
-               } else {
-                   console.log("Failed to close the connection. Err: " + JSON.stringify(err));
-               }
-           });
-       }
-   });
-   ws.on('close', (err, value) => {
-       console.log("on close, code is " + value.code + ", reason is " + value.reason);
-   });
-   ws.on('error', (err) => {
-       console.log("on error, error:" + JSON.stringify(err));
-   });
-   ws.connect(defaultIpAddress, (err, value) => {
-       if (!err) {
-           console.log("Connected successfully");
-       } else {
-           console.log("Connection failed. Err:" + JSON.stringify(err));
-       }
-   });
-   ```
+```js
+import webSocket from '@ohos.net.webSocket';
+
+var defaultIpAddress = "ws://";
+let ws = webSocket.createWebSocket();
+ws.on('open', (err, value) => {
+  console.log("on open, status:" + JSON.stringify(value));
+  // 当收到on('open')事件时，可以通过send()方法与服务器进行通信
+  ws.send("Hello, server!", (err, value) => {
+    if (!err) {
+      console.log("Message sent successfully");
+    } else {
+      console.log("Failed to send the message. Err:" + JSON.stringify(err));
+    }
+  });
+});
+ws.on('message', (err, value) => {
+  console.log("on message, message:" + value);
+  // 当收到服务器的`bye`消息时（此消息字段仅为示意，具体字段需要与服务器协商），主动断开连接
+  if (value === 'bye') {
+    ws.close((err, value) => {
+      if (!err) {
+        console.log("Connection closed successfully");
+      } else {
+        console.log("Failed to close the connection. Err: " + JSON.stringify(err));
+      }
+    });
+  }
+});
+ws.on('close', (err, value) => {
+  console.log("on close, code is " + value.code + ", reason is " + value.reason);
+});
+ws.on('error', (err) => {
+  console.log("on error, error:" + JSON.stringify(err));
+});
+ws.connect(defaultIpAddress, (err, value) => {
+  if (!err) {
+    console.log("Connected successfully");
+  } else {
+    console.log("Connection failed. Err:" + JSON.stringify(err));
+  }
+});
+```
 
 ## 相关实例
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-http.md b/zh-cn/application-dev/reference/apis/js-apis-http.md
index ae7c9c8f2efcc79aa1c8e879f035ea0ad1f3242e..8900ae208d756c089bb01ab0583cd513d4ba4318 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-http.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-http.md
@@ -65,6 +65,9 @@ httpRequest.request(
 );
 ```
 
+> **说明：**
+> console.info()输出的数据中包含换行符会导致数据出现截断现象。
+
 ## http.createHttp
 
 createHttp(): HttpRequest
@@ -98,7 +101,7 @@ request(url: string, callback: AsyncCallback\<HttpResponse\>):void
 根据URL地址，发起HTTP网络请求，使用callback方式作为异步方法。
 
 > **说明：**
-> 此接口仅支持数据大小为5M以内的数据传输。
+> 此接口仅支持数据大小为5M以内的数据接收。
 
 **需要权限**：ohos.permission.INTERNET
 
@@ -149,7 +152,7 @@ request(url: string, options: HttpRequestOptions, callback: AsyncCallback\<HttpR
 根据URL地址和相关配置项，发起HTTP网络请求，使用callback方式作为异步方法。
 
 > **说明：**
-> 此接口仅支持数据大小为5M以内的数据传输。
+> 此接口仅支持数据大小为5M以内的数据接收。
 
 **需要权限**：ohos.permission.INTERNET
 
@@ -235,7 +238,7 @@ request(url: string, options? : HttpRequestOptions): Promise\<HttpResponse\>
 根据URL地址，发起HTTP网络请求，使用Promise方式作为异步方法。
 
 > **说明：**
-> 此接口仅支持数据大小为5M以内的数据传输。
+> 此接口仅支持数据大小为5M以内的数据接收。
 
 **需要权限**：ohos.permission.INTERNET
 
@@ -535,7 +538,7 @@ promise.then((data) => {
 });
 ```
 
-### on('headerReceive')
+### on('headerReceive')<sup>(deprecated)</sup>
 
 on(type: 'headerReceive', callback: AsyncCallback\<Object\>): void
 
@@ -561,7 +564,7 @@ httpRequest.on('headerReceive', (data) => {
 });
 ```
 
-### off('headerReceive')
+### off('headerReceive')<sup>(deprecated)</sup>
 
 off(type: 'headerReceive', callback?: AsyncCallback\<Object\>): void
 
@@ -813,7 +816,7 @@ httpRequest.off('dataProgress');
 | usingCache<sup>9+</sup>      | boolean                         | 否   | 是否使用缓存，默认为true。   |
 | priority<sup>9+</sup>        | number                          | 否   | 优先级，范围\[0,1000]，默认是0。                           |
 | header                       | Object                          | 否   | HTTP请求头字段。默认{'Content-Type': 'application/json'}。   |
-| readTimeout                  | number                          | 否   | 读取超时时间。单位为毫秒（ms），默认为60000ms。              |
+| readTimeout                  | number                          | 否   | 读取超时时间。单位为毫秒（ms），默认为60000ms。<br />设置为0表示不会出现超时情况。 |
 | connectTimeout               | number                          | 否   | 连接超时时间。单位为毫秒（ms），默认为60000ms。              |
 | usingProtocol<sup>9+</sup>   | [HttpProtocol](#httpprotocol9)  | 否   | 使用协议。默认值由系统自动指定。                             |
 | usingProxy<sup>10+</sup>     | boolean \| Object               | 否   | 是否使用HTTP代理，默认为false，不使用代理。<br />- 当usingProxy为布尔类型true时，使用默认网络代理。<br />- 当usingProxy为object类型时，使用指定网络代理。                                |
diff --git a/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md b/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md
index f7ca1d622efc3bc8cbffbf620c055a264ad6edb2..a06d898425281376385620242a8b614190169d07 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md
@@ -403,7 +403,7 @@ on(type: 'interfaceStateChange', callback: Callback\<{ iface: string, active: bo
 | 参数名   | 类型                                    | 必填 | 说明       |
 | -------- | --------------------------------------- | ---- | ---------- |
 | type     | string                  | 是   | 订阅的事件类型，'interfaceStateChange'。 |
-| callback | AsyncCallback\<{ iface: string, active: boolean }\> | 是   | 回调函数。<br>iface：网卡名称。<br>active：是否处于激活状态（true：激活；false：未激活） |
+| callback | Callback\<{ iface: string, active: boolean }\> | 是   | 回调函数。<br>iface：网卡名称。<br>active：是否处于激活状态（true：激活；false：未激活） |
 
 **错误码：**
 
@@ -416,8 +416,8 @@ on(type: 'interfaceStateChange', callback: Callback\<{ iface: string, active: bo
 **示例：**
 
 ```js
- ethernet.on('interfaceStateChange', (data) => {
-  console.log('on interfaceSharingStateChange：' + JSON.stringify(data));
+ethernet.on('interfaceStateChange', (data) => {
+  console.log('on interfaceSharingStateChange：' + JSON.stringify(data.iface) + JSON.stringify(data.active));
 });
 ```
 
@@ -438,7 +438,7 @@ off(type: 'interfaceStateChange', callback?: Callback\<{ iface: string, active:
 | 参数名   | 类型                                    | 必填 | 说明       |
 | -------- | --------------------------------------- | ---- | ---------- |
 | type     | string                  | 是   | 订阅的事件类型，'interfaceStateChange'。 |
-| callback | AsyncCallback\<{ iface: string, active: boolean }> | 否   | 回调函数。<br>iface：网卡名称。<br>active：是否处于激活状态（true：激活；false：未激活） |
+| callback | Callback\<{ iface: string, active: boolean }> | 否   | 回调函数。<br>iface：网卡名称。<br>active：是否处于激活状态（true：激活；false：未激活） |
 
 **错误码：**
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-net-policy.md b/zh-cn/application-dev/reference/apis/js-apis-net-policy.md
index 617c98b070096e2bce38ffe115678e1812a78ca6..7f2f0faad40251bc0f79186519cce782bd62bc50 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-net-policy.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-net-policy.md
@@ -12,9 +12,9 @@
 import policy from '@ohos.net.policy'
 ```
 
-## policy.setBackgroundPolicy
+## policy.setBackgroundAllowed
 
-setBackgroundPolicy(isAllowed: boolean, callback: AsyncCallback\<void>): void
+setBackgroundAllowed(isAllowed: boolean, callback: AsyncCallback\<void>): void
 
 设置后台网络策略，使用callback方式作为异步方法。
 
@@ -42,18 +42,15 @@ setBackgroundPolicy(isAllowed: boolean, callback: AsyncCallback\<void>): void
 **示例：**
 
 ```js
-policy.setBackgroundPolicy(Boolean(Number.parseInt(this.isBoolean))), (error, data) => {
-  this.callBack(error, data);
+policy.setBackgroundAllowed(Boolean(Number.parseInt(this.isBoolean)), (error) => {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
-}
-)
+})
 ;
 ```
 
-## policy.setBackgroundPolicy
+## policy.setBackgroundAllowed
 
-setBackgroundPolicy(isAllowed: boolean): Promise\<void>
+setBackgroundAllowed(isAllowed: boolean): Promise\<void>
 
 设置后台网络策略，使用Promise方式作为异步方法。
 
@@ -86,9 +83,8 @@ setBackgroundPolicy(isAllowed: boolean): Promise\<void>
 **示例：**
 
 ```js
-policy.setBackgroundPolicy(Boolean(Number.parseInt(this.isBoolean))).then(function (error, data) {
+policy.setBackgroundAllowed(Boolean(Number.parseInt(this.isBoolean))).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
 ```
 
@@ -157,7 +153,6 @@ policy.isBackgroundAllowed().then(function (error, data) {
   console.log(JSON.stringify(error))
   console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.setPolicyByUid
@@ -194,8 +189,8 @@ setPolicyByUid(uid: number, policy: NetUidPolicy, callback: AsyncCallback\<void>
 let param = {
   uid: Number.parseInt(this.firstParam), policy: Number.parseInt(this.currentNetUidPolicy)
 }
-policy.setPolicyByUid(Number.parseInt(this.firstParam), Number.parseInt(this.currentNetUidPolicy), (error, data) => {
-  this.callBack(error, data);
+policy.setPolicyByUid(Number.parseInt(this.firstParam), Number.parseInt(this.currentNetUidPolicy), (error) => {
+  this.callBack(error);
 });
 ```
 
@@ -238,11 +233,9 @@ setPolicyByUid(uid: number, policy: NetUidPolicy): Promise\<void>;
 let param = {
   uid: Number.parseInt(this.firstParam), policy: Number.parseInt(this.currentNetUidPolicy)
 }
-policy.setPolicyByUid(Number.parseInt(this.firstParam), Number.parseInt(this.currentNetUidPolicy)).then(function (error, data) {
+policy.setPolicyByUid(Number.parseInt(this.firstParam), Number.parseInt(this.currentNetUidPolicy)).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.getPolicyByUid
@@ -319,7 +312,6 @@ policy.getPolicyByUid(Number.parseInt(this.firstParam)).then(function (error, da
   console.log(JSON.stringify(error))
   console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.getUidsByPolicy
@@ -396,7 +388,6 @@ policy.getUidsByPolicy(Number.parseInt(this.firstParam)).then(function (error, d
   console.log(JSON.stringify(error))
   console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.getNetQuotaPolicies
@@ -509,8 +500,8 @@ let param = {
 };
 this.netQuotaPolicyList.push(param);
 
-policy.setNetQuotaPolicies(this.netQuotaPolicyList, (error, data) => {
-  this.callBack(error, data);
+policy.setNetQuotaPolicies(this.netQuotaPolicyList, (error) => {
+  console.log(JSON.stringify(error))
 });
 ```
 
@@ -563,9 +554,8 @@ let param = {
 };
 this.netQuotaPolicyList.push(param);
 
-policy.setNetQuotaPolicies(this.netQuotaPolicyList).then(function (error, data) {
+policy.setNetQuotaPolicies(this.netQuotaPolicyList).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
 ```
 
@@ -600,8 +590,8 @@ restoreAllPolicies(iccid: string, callback: AsyncCallback\<void>): void
 
 ```js
 this.firstParam = iccid;
-policy.restoreAllPolicies(this.firstParam, (error, data) => {
-  this.callBack(error, data);
+policy.restoreAllPolicies(this.firstParam, (error) => {
+  console.log(JSON.stringify(error))
 });
 ```
 
@@ -641,11 +631,9 @@ restoreAllPolicies(iccid: string): Promise\<void>;
 
 ```js
 this.firstParam = iccid;
-policy.restoreAllPolicies(this.firstParam).then(function (error, data) {
+policy.restoreAllPolicies(this.firstParam).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.isUidNetAllowed
@@ -679,7 +667,6 @@ isUidNetAllowed(uid: number, isMetered: boolean, callback: AsyncCallback\<boolea
 **示例：**
 
 ```js
-
 let param = {
   uid: Number.parseInt(this.firstParam), isMetered: Boolean(Number.parseInt(this.isBoolean))
 }
@@ -724,7 +711,6 @@ isUidNetAllowed(uid: number, isMetered: boolean): Promise\<boolean>;
 **示例：**
 
 ```js
-
 let param = {
   uid: Number.parseInt(this.firstParam), isMetered: Boolean(Number.parseInt(this.isBoolean))
 }
@@ -732,7 +718,6 @@ policy.isUidNetAllowed(Number.parseInt(this.firstParam), Boolean(Number.parseInt
   console.log(JSON.stringify(error))
   console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.isUidNetAllowed
@@ -766,7 +751,6 @@ isUidNetAllowed(uid: number, iface: string, callback: AsyncCallback\<boolean>):
 **示例：**
 
 ```js
-
 let param = {
   uid: Number.parseInt(this.firstParam), iface: this.secondParam
 }
@@ -818,7 +802,6 @@ policy.isUidNetAllowed(Number.parseInt(this.firstParam), this.secondParam).then(
   console.log(JSON.stringify(error))
   console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.setDeviceIdleAllowList
@@ -855,8 +838,8 @@ setDeviceIdleAllowList(uid: number, isAllowed: boolean, callback: AsyncCallback\
 let param = {
   uid: Number.parseInt(this.firstParam), isAllowed: Boolean(Number.parseInt(this.isBoolean))
 }
-policy.setDeviceIdleAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean)), (error, data) => {
-  this.callBack(error, data);
+policy.setDeviceIdleAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean)), (error) => {
+  console.log(JSON.stringify(error))
 });
 ```
 
@@ -899,11 +882,9 @@ setDeviceIdleAllowList(uid: number, isAllowed: boolean): Promise\<void>;
 let param = {
   uid: Number.parseInt(this.firstParam), isAllowed: Boolean(Number.parseInt(this.isBoolean))
 }
-policy.setDeviceIdleAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean))).then(function (error, data) {
+policy.setDeviceIdleAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean))).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.getDeviceIdleAllowList
@@ -1080,8 +1061,8 @@ resetPolicies(iccid: string, callback: AsyncCallback\<void>): void
 
 ```js
 this.firstParam = iccid
-policy.resetPolicies(this.firstParam, (error, data) => {
-  this.callBack(error, data);
+policy.resetPolicies(this.firstParam, (error) => {
+  console.log(JSON.stringify(error))
 });
 ```
 
@@ -1124,11 +1105,9 @@ policy.getUidsByPolicy(Number.parseInt(this.firstParam)).then(function (error, d
 
 })
 this.firstParam = iccid
-policy.resetPolicies(this.firstParam).then(function (error, data) {
+policy.resetPolicies(this.firstParam).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.updateRemindPolicy
@@ -1166,8 +1145,8 @@ updateRemindPolicy(netType: NetBearType, iccid: string, remindType: RemindType,
 let param = {
   netType: Number.parseInt(this.netType), iccid: this.firstParam, remindType: this.currentRemindType
 }
-policy.updateRemindPolicy(Number.parseInt(this.netType), this.firstParam, Number.parseInt(this.currentRemindType), (error, data) => {
-  this.callBack(error, data);
+policy.updateRemindPolicy(Number.parseInt(this.netType), this.firstParam, Number.parseInt(this.currentRemindType), (error) => {
+  console.log(JSON.stringify(error))
 });
 ```
 
@@ -1211,11 +1190,9 @@ updateRemindPolicy(netType: NetBearType, iccid: string, remindType: RemindType):
 let param = {
   netType: Number.parseInt(this.netType), iccid: this.firstParam, remindType: this.currentRemindType
 }
-policy.updateRemindPolicy(Number.parseInt(this.netType), this.firstParam, Number.parseInt(this.currentRemindType)).then(function (error, data) {
+policy.updateRemindPolicy(Number.parseInt(this.netType), this.firstParam, Number.parseInt(this.currentRemindType)).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.setPowerSaveAllowList
@@ -1252,8 +1229,8 @@ setPowerSaveAllowList(uid: number, isAllowed: boolean, callback: AsyncCallback\<
 let param = {
   uid: Number.parseInt(this.firstParam), isAllowed: Boolean(Number.parseInt(this.isBoolean))
 }
-policy.setPowerSaveAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean)), (error, data) => {
-  this.callBack(error, data);
+policy.setPowerSaveAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean)), (error) => {
+  console.log(JSON.stringify(error))
 });
 ```
 
@@ -1296,11 +1273,9 @@ setPowerSaveAllowList(uid: number, isAllowed: boolean): Promise\<void>;
 let param = {
   uid: Number.parseInt(this.firstParam), isAllowed: Boolean(Number.parseInt(this.isBoolean))
 }
-policy.setPowerSaveAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean))).then(function (error, data) {
+policy.setPowerSaveAllowList(Number.parseInt(this.firstParam), Boolean(Number.parseInt(this.isBoolean))).then(function (error) {
   console.log(JSON.stringify(error))
-  console.log(JSON.stringify(data))
 })
-
 ```
 
 ## policy.getPowerSaveAllowList
@@ -1393,7 +1368,7 @@ on(type: "netUidPolicyChange", callback: Callback\<{ uid: number, policy: NetUid
 
 ```js
 policy.on('netUidPolicyChange', (data) => {
-  this.log('on netUidPolicyChange：' + JSON.stringify(data));
+  this.log('on netUidPolicyChange: ' + JSON.stringify(data));
 })
 ```
 
@@ -1418,7 +1393,7 @@ on(type: "netUidRuleChange", callback: Callback\<{ uid: number, rule: NetUidRule
 
 ```js
 policy.on('netUidRuleChange', (data) => {
-  this.log('on netUidRuleChange：' + JSON.stringify(data));
+  this.log('on netUidRuleChange: ' + JSON.stringify(data));
 })
 ```
 
@@ -1443,7 +1418,7 @@ on(type: "netMeteredIfacesChange", callback: Callback\<Array\<string>>): void
 
 ```js
 policy.on('netMeteredIfacesChange', (data) => {
-  this.log('on netMeteredIfacesChange：' + JSON.stringify(data));
+  this.log('on netMeteredIfacesChange: ' + JSON.stringify(data));
 })
 ```
 
@@ -1468,7 +1443,7 @@ on(type: "netQuotaPolicyChange", callback: Callback\<Array\<NetQuotaPolicy>>): v
 
 ```js
 policy.on('netQuotaPolicyChange', (data) => {
-  this.log('on netQuotaPolicyChange：' + JSON.stringify(data));
+  this.log('on netQuotaPolicyChange: ' + JSON.stringify(data));
 })
 ```
 
@@ -1493,7 +1468,7 @@ on(type: "netBackgroundPolicyChange", callback: Callback\<boolean>): void
 
 ```js
 policy.on('netBackgroundPolicyChange', (data) => {
-  this.log('on netBackgroundPolicyChange：' + JSON.stringify(data));
+  this.log('on netBackgroundPolicyChange: ' + JSON.stringify(data));
 })
 ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-socket.md b/zh-cn/application-dev/reference/apis/js-apis-socket.md
index 15da749a5bda97786e7a63f6fad4f7e127d90619..a2ce8694da4d07eaea787cffd8bd426a7b513bb3 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-socket.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-socket.md
@@ -42,6 +42,9 @@ bind(address: NetAddress, callback: AsyncCallback\<void\>): void
 
 绑定IP地址和端口，端口可以指定或由系统随机分配。使用callback方式作为异步方法。
 
+> **说明：**
+> 客户端使用该方法创建socket。
+
 **需要权限**：ohos.permission.INTERNET
 
 **系统能力**：SystemCapability.Communication.NetStack
@@ -64,7 +67,7 @@ bind(address: NetAddress, callback: AsyncCallback\<void\>): void
 
 ```js
 let udp = socket.constructUDPSocketInstance();
-udp.bind({address: '192.168.xx.xxx', port: xxxx, family: 1}, err => {
+udp.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -79,6 +82,9 @@ bind(address: NetAddress): Promise\<void\>
 
 绑定IP地址和端口，端口可以指定或由系统随机分配。使用Promise方式作为异步方法。
 
+> **说明：**
+> 客户端使用该方法创建socket。
+
 **需要权限**：ohos.permission.INTERNET
 
 **系统能力**：SystemCapability.Communication.NetStack
@@ -106,7 +112,7 @@ bind(address: NetAddress): Promise\<void\>
 
 ```js
 let udp = socket.constructUDPSocketInstance();
-let promise = udp.bind({address: '192.168.xx.xxx', port: 8080, family: 1});
+let promise = udp.bind({ address: '192.168.xx.xxx', port: 8080, family: 1 });
 promise.then(() => {
   console.log('bind success');
 }).catch(err => {
@@ -335,7 +341,7 @@ getState(): Promise\<SocketStateBase\>
 
 ```js
 let udp = socket.constructUDPSocketInstance();
-let promise = udp.bind({address: '192.168.xx.xxx', port: xxxx, family: 1});
+let promise = udp.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 });
 promise.then(err => {
   if (err) {
     console.log('bind fail');
@@ -382,7 +388,7 @@ setExtraOptions(options: UDPExtraOptions, callback: AsyncCallback\<void\>): void
 
 ```js
 let udp = socket.constructUDPSocketInstance();
-udp.bind({address: '192.168.xx.xxx', port: xxxx, family: 1}, err => {
+udp.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -440,7 +446,7 @@ setExtraOptions(options: UDPExtraOptions): Promise\<void\>
 
 ```js
 let udp = socket.constructUDPSocketInstance();
-let promise = udp.bind({address: '192.168.xx.xxx', port: xxxx, family: 1});
+let promise = udp.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 });
 promise.then(() => {
   console.log('bind success');
   let promise1 = udp.setExtraOptions({
@@ -480,7 +486,14 @@ on(type: 'message', callback: Callback\<{message: ArrayBuffer, remoteInfo: Socke
 ```js
 let udp = socket.constructUDPSocketInstance();
 udp.on('message', value => {
-  console.log("on message, message:" + value.message + ", remoteInfo:" + value.remoteInfo);
+  for (var i = 0; i < value.message.length; i++) {
+    let messages = value.message[i]
+    let message = String.fromCharCode(messages);
+    let messageView = '';
+    messageView += item;
+  }
+  console.log('on message message: ' + JSON.stringify(messageView));
+  console.log('remoteInfo: ' + JSON.stringify(value.remoteInfo));
 });
 ```
 
@@ -507,7 +520,14 @@ off(type: 'message', callback?: Callback\<{message: ArrayBuffer, remoteInfo: Soc
 ```js
 let udp = socket.constructUDPSocketInstance();
 let callback = value => {
-  console.log("on message, message:" + value.message + ", remoteInfo:" + value.remoteInfo);
+  for (var i = 0; i < value.message.length; i++) {
+    let messages = value.message[i]
+    let message = String.fromCharCode(messages);
+    let messageView = '';
+    messageView += item;
+  }
+  console.log('on message message: ' + JSON.stringify(messageView));
+  console.log('remoteInfo: ' + JSON.stringify(value.remoteInfo));
 }
 udp.on('message', callback);
 // 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
@@ -733,6 +753,9 @@ bind(address: NetAddress, callback: AsyncCallback\<void\>): void
 
 绑定IP地址和端口，端口可以指定或由系统随机分配。使用callback方法作为异步方法。
 
+> **说明：**
+> 客户端使用该方法创建socket。
+
 **需要权限**：ohos.permission.INTERNET
 
 **系统能力**：SystemCapability.Communication.NetStack
@@ -755,7 +778,7 @@ bind(address: NetAddress, callback: AsyncCallback\<void\>): void
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-tcp.bind({address: '192.168.xx.xxx', port: xxxx, family: 1}, err => {
+tcp.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -770,6 +793,9 @@ bind(address: NetAddress): Promise\<void\>
 
 绑定IP地址和端口，端口可以指定或由系统随机分配。使用Promise方法作为异步方法。
 
+> **说明：**
+> 客户端使用该方法创建socket。
+
 **需要权限**：ohos.permission.INTERNET
 
 **系统能力**：SystemCapability.Communication.NetStack
@@ -797,7 +823,7 @@ bind(address: NetAddress): Promise\<void\>
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise = tcp.bind({address: '192.168.xx.xxx', port: xxxx, family: 1});
+let promise = tcp.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 });
 promise.then(() => {
   console.log('bind success');
 }).catch(err => {
@@ -836,7 +862,7 @@ connect(options: TCPConnectOptions, callback: AsyncCallback\<void\>): void
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000}, err => {
+tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 }, err => {
   if (err) {
     console.log('connect fail');
     return;
@@ -878,7 +904,7 @@ connect(options: TCPConnectOptions): Promise\<void\>
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise = tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000});
+let promise = tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 });
 promise.then(() => {
   console.log('connect success')
 }).catch(err => {
@@ -917,7 +943,7 @@ send(options: TCPSendOptions, callback: AsyncCallback\<void\>): void
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000}, () => {
+tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 }, () => {
   console.log('connect success');
   tcp.send({
     data: 'Hello, server!'
@@ -968,7 +994,7 @@ send(options: TCPSendOptions): Promise\<void\>
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise1 = tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000});
+let promise1 = tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 });
 promise1.then(() => {
   console.log('connect success');
   let promise2 = tcp.send({
@@ -1082,7 +1108,7 @@ getRemoteAddress(callback: AsyncCallback\<NetAddress\>): void
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000}, () => {
+tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 }, () => {
   console.log('connect success');
   tcp.getRemoteAddress((err, data) => {
     if (err) {
@@ -1123,7 +1149,7 @@ getRemoteAddress(): Promise\<NetAddress\>
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise1 = tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000});
+let promise1 = tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 });
 promise1.then(() => {
   console.log('connect success');
   let promise2 = tcp.getRemoteAddress();
@@ -1166,7 +1192,7 @@ getState(callback: AsyncCallback\<SocketStateBase\>): void
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise = tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000}, () => {
+let promise = tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 }, () => {
   console.log('connect success');
   tcp.getState((err, data) => {
     if (err) {
@@ -1207,7 +1233,7 @@ getState(): Promise\<SocketStateBase\>
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise = tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000});
+let promise = tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 });
 promise.then(() => {
   console.log('connect success');
   let promise1 = tcp.getState();
@@ -1252,13 +1278,13 @@ setExtraOptions(options: TCPExtraOptions, callback: AsyncCallback\<void\>): void
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise = tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000}, () => {
+let promise = tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 }, () => {
   console.log('connect success');
   tcp.setExtraOptions({
     keepAlive: true,
     OOBInline: true,
     TCPNoDelay: true,
-    socketLinger: {on: true, linger: 10},
+    socketLinger: { on: true, linger: 10 },
     receiveBufferSize: 1000,
     sendBufferSize: 1000,
     reuseAddress: true,
@@ -1309,14 +1335,14 @@ setExtraOptions(options: TCPExtraOptions): Promise\<void\>
 
 ```js
 let tcp = socket.constructTCPSocketInstance();
-let promise = tcp.connect({address: {address: '192.168.xx.xxx', port: xxxx, family: 1}, timeout: 6000});
+let promise = tcp.connect({ address: { address: '192.168.xx.xxx', port: xxxx, family: 1 }, timeout: 6000 });
 promise.then(() => {
   console.log('connect success');
   let promise1 = tcp.setExtraOptions({
     keepAlive: true,
     OOBInline: true,
     TCPNoDelay: true,
-    socketLinger: {on: true, linger: 10},
+    socketLinger: { on: true, linger: 10 },
     receiveBufferSize: 1000,
     sendBufferSize: 1000,
     reuseAddress: true,
@@ -1352,7 +1378,14 @@ on(type: 'message', callback: Callback<{message: ArrayBuffer, remoteInfo: Socket
 ```js
 let tcp = socket.constructTCPSocketInstance();
 tcp.on('message', value => {
-  console.log("on message, message:" + value.message + ", remoteInfo:" + value.remoteInfo)
+  for (var i = 0; i < value.message.length; i++) {
+    let messages = value.message[i]
+    let message = String.fromCharCode(messages);
+    let messageView = '';
+    messageView += item;
+  }
+  console.log('on message message: ' + JSON.stringify(messageView));
+  console.log('remoteInfo: ' + JSON.stringify(value.remoteInfo));
 });
 ```
 
@@ -1379,7 +1412,14 @@ off(type: 'message', callback?: Callback<{message: ArrayBuffer, remoteInfo: Sock
 ```js
 let tcp = socket.constructTCPSocketInstance();
 let callback = value => {
-  console.log("on message, message:" + value.message + ", remoteInfo:" + value.remoteInfo);
+  for (var i = 0; i < value.message.length; i++) {
+    let messages = value.message[i]
+    let message = String.fromCharCode(messages);
+    let messageView = '';
+    messageView += item;
+  }
+  console.log('on message message: ' + JSON.stringify(messageView));
+  console.log('remoteInfo: ' + JSON.stringify(value.remoteInfo));
 }
 tcp.on('message', callback);
 // 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
@@ -1409,7 +1449,7 @@ let tcp = socket.constructTCPSocketInstance();
 tcp.on('connect', () => {
   console.log("on connect success")
 });
-tcp.on('close', data => {
+tcp.on('close', () => {
   console.log("on close success")
 });
 ```
@@ -1605,7 +1645,7 @@ bind(address: NetAddress, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```js
-tls.bind({address: '192.168.xx.xxx', port: xxxx, family: 1}, err => {
+tls.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -1648,7 +1688,7 @@ bind(address: NetAddress): Promise\<void\>
 **示例：**
 
 ```js
-let promise = tls.bind({address: '192.168.xx.xxx', port: xxxx, family: 1});
+let promise = tls.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 });
 promise.then(() => {
   console.log('bind success');
 }).catch(err => {
@@ -1680,7 +1720,7 @@ getState(callback: AsyncCallback\<SocketStateBase\>): void
 **示例：**
 
 ```js
-let promise = tls.bind({address: '192.168.xx.xxx', port: xxxx, family: 1}, err => {
+let promise = tls.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -1720,7 +1760,7 @@ getState(): Promise\<SocketStateBase\>
 **示例：**
 
 ```js
-let promiseBind = tls.bind({address: '192.168.xx.xxx', port: xxxx, family: 1});
+let promiseBind = tls.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 });
 promiseBind.then(() => {
   console.log('bind success');
 }).catch((err) => {
@@ -1760,7 +1800,7 @@ setExtraOptions(options: TCPExtraOptions, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```js
-tls.bind({address: '192.168.xx.xxx', port: xxxx, family: 1}, err => {
+tls.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -1772,7 +1812,7 @@ tls.setExtraOptions({
   keepAlive: true,
   OOBInline: true,
   TCPNoDelay: true,
-  socketLinger: {on: true, linger: 10},
+  socketLinger: { on: true, linger: 10 },
   receiveBufferSize: 1000,
   sendBufferSize: 1000,
   reuseAddress: true,
@@ -1784,7 +1824,6 @@ tls.setExtraOptions({
   }
   console.log('setExtraOptions success');
 });
-
 ```
 
 ### setExtraOptions<sup>9+</sup>
@@ -1818,7 +1857,7 @@ setExtraOptions(options: TCPExtraOptions): Promise\<void\>
 **示例：**
 
 ```js
-tls.bind({address: '192.168.xx.xxx', port: xxxx, family: 1}, err => {
+tls.bind({ address: '192.168.xx.xxx', port: xxxx, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -1829,7 +1868,7 @@ let promise = tls.setExtraOptions({
   keepAlive: true,
   OOBInline: true,
   TCPNoDelay: true,
-  socketLinger: {on: true, linger: 10},
+  socketLinger: { on: true, linger: 10 },
   receiveBufferSize: 1000,
   sendBufferSize: 1000,
   reuseAddress: true,
@@ -1842,6 +1881,191 @@ promise.then(() => {
 });
 ```
 
+### on('message')
+
+on(type: 'message', callback: Callback<{message: ArrayBuffer, remoteInfo: SocketRemoteInfo}>): void;
+
+订阅TLSSocket连接的接收消息事件。使用callback方式作为异步方法。
+
+**系统能力**：SystemCapability.Communication.NetStack
+
+**参数：**
+
+| 参数名   | 类型                                                         | 必填 | 说明                                      |
+| -------- | ------------------------------------------------------------ | ---- | ----------------------------------------- |
+| type     | string                                                       | 是   | 订阅的事件类型。'message'：接收消息事件。 |
+| callback | Callback\<{message: ArrayBuffer, remoteInfo: [SocketRemoteInfo](#socketremoteinfo)}\> | 是   | 回调函数。message：接收到的消息；remoteInfo：socket连接信息。 |
+
+**示例：**
+
+```js
+let tls = socket.constructTLSSocketInstance();
+tls.on('message', value => {
+  for (var i = 0; i < value.message.length; i++) {
+    let messages = value.message[i]
+    let message = String.fromCharCode(messages);
+    let messageView = '';
+    messageView += item;
+  }
+  console.log('on message message: ' + JSON.stringify(messageView));
+  console.log('remoteInfo: ' + JSON.stringify(value.remoteInfo));
+});
+```
+
+### off('message')
+
+off(type: 'message', callback?: Callback\<{message: ArrayBuffer, remoteInfo: SocketRemoteInfo}\>): void
+
+取消订阅TLSSocket连接的接收消息事件。使用callback方式作为异步方法。
+
+> **说明：**
+> 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
+
+**系统能力**：SystemCapability.Communication.NetStack
+
+**参数：**
+
+| 参数名   | 类型                                                         | 必填 | 说明                                      |
+| -------- | ------------------------------------------------------------ | ---- | ----------------------------------------- |
+| type     | string                                                       | 是   | 订阅的事件类型。'message'：接收消息事件。 |
+| callback | Callback<{message: ArrayBuffer, remoteInfo: [SocketRemoteInfo](#socketremoteinfo)}> | 否   | 回调函数。message：接收到的消息；remoteInfo：socket连接信息。 |
+
+**示例：**
+
+```js
+let tls = socket.constructTLSSocketInstance();
+let callback = value => {
+  for (var i = 0; i < value.message.length; i++) {
+    let messages = value.message[i]
+    let message = String.fromCharCode(messages);
+    let messageView = '';
+    messageView += item;
+  }
+  console.log('on message message: ' + JSON.stringify(messageView));
+  console.log('remoteInfo: ' + JSON.stringify(value.remoteInfo));
+}
+tls.on('message', callback);
+// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
+tls.off('message', callback);
+```
+### on('connect' | 'close')
+
+on(type: 'connect' | 'close', callback: Callback\<void\>): void
+
+订阅TLSSocket的连接事件或关闭事件。使用callback方式作为异步方法。
+
+**系统能力**：SystemCapability.Communication.NetStack
+
+**参数：**
+
+| 参数名   | 类型             | 必填 | 说明                                                         |
+| -------- | ---------------- | ---- | ------------------------------------------------------------ |
+| type     | string           | 是   | 订阅的事件类型。<br />- 'connect'：连接事件。<br />- 'close'：关闭事件。 |
+| callback | Callback\<void\> | 是   | 回调函数。                                                   |
+
+**示例：**
+
+```js
+let tls = socket.constructTLSSocketInstance();
+tls.on('connect', () => {
+  console.log("on connect success")
+});
+tls.on('close', () => {
+  console.log("on close success")
+});
+```
+
+### off('connect' | 'close')
+
+off(type: 'connect' | 'close', callback?: Callback\<void\>): void
+
+取消订阅TLSSocket的连接事件或关闭事件。使用callback方式作为异步方法。
+
+> **说明：**
+> 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
+
+**系统能力**：SystemCapability.Communication.NetStack
+
+**参数：**
+
+| 参数名   | 类型             | 必填 | 说明                                                         |
+| -------- | ---------------- | ---- | ------------------------------------------------------------ |
+| type     | string           | 是   | 订阅的事件类型。<br />- 'connect'：连接事件。<br />- 'close'：关闭事件。 |
+| callback | Callback\<void\> | 否   | 回调函数。                                                   |
+
+**示例：**
+
+```js
+let tls = socket.constructTLSSocketInstance();
+let callback1 = () => {
+  console.log("on connect success");
+}
+tls.on('connect', callback1);
+// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
+tls.off('connect', callback1);
+tls.off('connect');
+let callback2 = () => {
+  console.log("on close success");
+}
+tls.on('close', callback2);
+// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
+tls.off('close', callback2);
+```
+
+### on('error')
+
+on(type: 'error', callback: ErrorCallback): void
+
+订阅TLSSocket连接的error事件。使用callback方式作为异步方法。
+
+**系统能力**：SystemCapability.Communication.NetStack
+
+**参数：**
+
+| 参数名   | 类型          | 必填 | 说明                                 |
+| -------- | ------------- | ---- | ------------------------------------ |
+| type     | string        | 是   | 订阅的事件类型。'error'：error事件。 |
+| callback | ErrorCallback | 是   | 回调函数。                           |
+
+**示例：**
+
+```js
+let tls = socket.constructTLSSocketInstance();
+tls.on('error', err => {
+  console.log("on error, err:" + JSON.stringify(err))
+});
+```
+
+### off('error')
+
+off(type: 'error', callback?: ErrorCallback): void
+
+取消订阅TLSSocket连接的error事件。使用callback方式作为异步方法。
+
+> **说明：**
+> 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
+
+**系统能力**：SystemCapability.Communication.NetStack
+
+**参数：**
+
+| 参数名   | 类型          | 必填 | 说明                                 |
+| -------- | ------------- | ---- | ------------------------------------ |
+| type     | string        | 是   | 订阅的事件类型。'error'：error事件。 |
+| callback | ErrorCallback | 否   | 回调函数。                           |
+
+**示例：**
+
+```js
+let tls = socket.constructTLSSocketInstance();
+let callback = err => {
+  console.log("on error, err:" + JSON.stringify(err));
+}
+tls.on('error', callback);
+// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
+tls.off('error', callback);
+```
+
 ### connect<sup>9+</sup>
 
 connect(options: TLSConnectOptions, callback: AsyncCallback\<void\>): void
@@ -1881,7 +2105,7 @@ connect(options: TLSConnectOptions, callback: AsyncCallback\<void\>): void
 
 ```js
 let tlsTwoWay = socket.constructTLSSocketInstance(); // Two way authentication
-tlsTwoWay.bind({address: '192.168.xxx.xxx', port: 8080, family: 1}, err => {
+tlsTwoWay.bind({ address: '192.168.xxx.xxx', port: 8080, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -1912,7 +2136,7 @@ tlsTwoWay.connect(options, (err, data) => {
 });
 
 let tlsOneWay = socket.constructTLSSocketInstance(); // One way authentication
-tlsOneWay.bind({address: '192.168.xxx.xxx', port: 8080, family: 1}, err => {
+tlsOneWay.bind({ address: '192.168.xxx.xxx', port: 8080, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -1980,7 +2204,7 @@ connect(options: TLSConnectOptions): Promise\<void\>
 
 ```js
 let tlsTwoWay = socket.constructTLSSocketInstance(); // Two way authentication
-tlsTwoWay.bind({address: '192.168.xxx.xxx', port: 8080, family: 1}, err => {
+tlsTwoWay.bind({ address: '192.168.xxx.xxx', port: 8080, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -2012,7 +2236,7 @@ tlsTwoWay.connect(options).then(data => {
 });
 
 let tlsOneWay = socket.constructTLSSocketInstance(); // One way authentication
-tlsOneWay.bind({address: '192.168.xxx.xxx', port: 8080, family: 1}, err => {
+tlsOneWay.bind({ address: '192.168.xxx.xxx', port: 8080, family: 1 }, err => {
   if (err) {
     console.log('bind fail');
     return;
@@ -2572,7 +2796,7 @@ close(): Promise\<void\>
 ```js
 tls.close().then(() => {
   console.log("close success");
-}).catch(err => {
+}).catch((err) => {
   console.error(err);
 });
 ```