diff --git a/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md b/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md
old mode 100755
new mode 100644
index 63bd5cc459609d185c0fa3b1d48ba2ca16ae597a..079515403860b6b97a5a96e7d6db407227e3031c
--- a/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-bluetooth.md
@@ -223,7 +223,7 @@ getProfileConnState(profileId: ProfileId): ProfileConnectionState
 **示例：**
 
 ```js
-let result = bluetooth.getProfileConnState(PROFILE_A2DP_SOURCE);
+let result = bluetooth.getProfileConnState(bluetooth.ProfileId.PROFILE_A2DP_SOURCE);
 ```
 
 
@@ -364,7 +364,7 @@ setBluetoothScanMode(mode: ScanMode, duration: number): boolean
 
 ```js
 // 设置为可连接可发现才可被远端设备扫描到，可以连接。
-let result = bluetooth.setBluetoothScanMode(ScanMode.SCAN_MODE_CONNECTABLE_GENERAL_DISCOVERABLE, 100);
+let result = bluetooth.setBluetoothScanMode(bluetooth.ScanMode.SCAN_MODE_CONNECTABLE_GENERAL_DISCOVERABLE, 100);
 ```
 
 
@@ -782,6 +782,14 @@ sppAccept(serverSocket: number, callback: AsyncCallback<number>): void
 **示例：**
 
 ```js
+let serverNumber = -1;
+function serverSocket(code, number) {
+  console.log('bluetooth error code: ' + code.code);
+  if (code.code == 0) {
+    console.log('bluetooth serverSocket Number: ' + number);
+    serverNumber = number;
+  }
+}
 let clientNumber = -1;
 function acceptClientSocket(code, number) {
   console.log('bluetooth error code: ' + code.code);
@@ -847,6 +855,14 @@ sppCloseServerSocket(socket: number): void
 **示例：**
 
 ```js
+let serverNumber = -1;
+function serverSocket(code, number) {
+  console.log('bluetooth error code: ' + code.code);
+  if (code.code == 0) {
+    console.log('bluetooth serverSocket Number: ' + number);
+    serverNumber = number;
+  }
+}
 bluetooth.sppCloseServerSocket(serverNumber);
 ```
 
@@ -869,6 +885,15 @@ sppCloseClientSocket(socket: number): void
 **示例：**
 
 ```js
+let clientNumber = -1;
+function clientSocket(code, number) {
+  if (code.code != 0) {
+    return;
+  }
+  console.log('bluetooth serverSocket Number: ' + number);
+  // 获取的clientNumber用作客户端后续读/写操作socket的id。
+  clientNumber = number;
+}
 bluetooth.sppCloseClientSocket(clientNumber);
 ```
 
@@ -897,6 +922,15 @@ sppWrite(clientSocket: number, data: ArrayBuffer): boolean
 **示例：**
 
 ```js
+let clientNumber = -1;
+function clientSocket(code, number) {
+  if (code.code != 0) {
+    return;
+  }
+  console.log('bluetooth serverSocket Number: ' + number);
+  // 获取的clientNumber用作客户端后续读/写操作socket的id。
+  clientNumber = number;
+}
 let arrayBuffer = new ArrayBuffer(8);
 let data = new Uint8Array(arrayBuffer);
 data[0] = 123;
@@ -932,6 +966,15 @@ on(type: "sppRead", clientSocket: number, callback: Callback<ArrayBuffer>)
 **示例：**
 
 ```js
+let clientNumber = -1;
+function clientSocket(code, number) {
+  if (code.code != 0) {
+    return;
+  }
+  console.log('bluetooth serverSocket Number: ' + number);
+  // 获取的clientNumber用作客户端后续读/写操作socket的id。
+  clientNumber = number;
+}
 function dataRead(dataBuffer) {
   let data = new Uint8Array(dataBuffer);
   console.log('bluetooth data is: ' + data[0]);
@@ -963,6 +1006,15 @@ off(type: "sppRead", clientSocket: number, callback?: Callback<ArrayBuffer&gt
 **示例：**
 
 ```js
+let clientNumber = -1;
+function clientSocket(code, number) {
+  if (code.code != 0) {
+    return;
+  }
+  console.log('bluetooth serverSocket Number: ' + number);
+  // 获取的clientNumber用作客户端后续读/写操作socket的id。
+  clientNumber = number;
+}
 bluetooth.off('sppRead', clientNumber);
 ```
 
@@ -1278,7 +1330,7 @@ connect(device: string): boolean
 **示例：**
 
 ```js
-let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE)
+let a2dpSrc = bluetooth.getProfile(bluetooth.ProfileId.PROFILE_A2DP_SOURCE)
 let ret = a2dpSrc.connect('XX:XX:XX:XX:XX:XX');
 ```
 
@@ -1310,7 +1362,7 @@ disconnect(device: string): boolean
 **示例：**
 
 ```js
-let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE);
+let a2dpSrc = bluetooth.getProfile(bluetooth.ProfileId.PROFILE_A2DP_SOURCE);
 let ret = a2dpSrc.disconnect('XX:XX:XX:XX:XX:XX');
 ```
 
@@ -1397,7 +1449,7 @@ getPlayingState(device: string): PlayingState
 **示例：**
 
 ```js
-let a2dpSrc = bluetooth.getProfile(PROFILE_A2DP_SOURCE);
+let a2dpSrc = bluetooth.getProfile(bluetooth.ProfileId.PROFILE_A2DP_SOURCE);
 let state = a2dpSrc.getPlayingState('XX:XX:XX:XX:XX:XX');
 ```
 
@@ -1434,7 +1486,7 @@ connect(device: string): boolean
 **示例：**
 
 ```js
-let hfpAg = bluetooth.getProfile(PROFILE_HANDS_FREE_AUDIO_GATEWAY);
+let hfpAg = bluetooth.getProfile(bluetooth.ProfileId.PROFILE_HANDS_FREE_AUDIO_GATEWAY);
 let ret = hfpAg.connect('XX:XX:XX:XX:XX:XX');
 ```
 
@@ -1465,7 +1517,7 @@ disconnect(device: string): boolean
 **示例：**
 
 ```js
-let hfpAg = bluetooth.getProfile(PROFILE_HANDS_FREE_AUDIO_GATEWAY);
+let hfpAg = bluetooth.getProfile(bluetooth.ProfileId.PROFILE_HANDS_FREE_AUDIO_GATEWAY);
 let ret = hfpAg.disconnect('XX:XX:XX:XX:XX:XX');
 ```
 
@@ -1665,7 +1717,7 @@ cccV[0] = 1;
 let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
   characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
 let characteristicN = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-  characteristicUuid: '00001821-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptorsN};
+  characteristicUuid: '00001821-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
 characteristics[0] = characteristic;
 
 // 创建gattService
@@ -1757,8 +1809,11 @@ server端特征值发生变化时，主动通知已连接的client设备。
 **示例：**
 
 ```js
+let arrayBufferC = new ArrayBuffer(8);
+let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
 let notifyCharacteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-  characteristicUuid: '00001821-0000-1000-8000-00805F9B34FB', characteristicValue:  notifyCcc.characteristicValue, confirm: false};
+characteristicUuid: '00001821-0000-1000-8000-00805F9B34FB', characteristicValue: characteristic.characteristicValue, confirm: false};
 let server = bluetooth.BLE.createGattServer();
 server.notifyCharacteristicChanged('XX:XX:XX:XX:XX:XX', notifyCharacteristic);
 ```
@@ -2334,7 +2389,7 @@ client端获取蓝牙低功耗设备的所有服务，即服务发现。
 // Promise 模式
 let device = bluetooth.BLE.createGattClientDevice('XX:XX:XX:XX:XX:XX');
 device.connect();
-let services = device.getServices();
+var services = device.getServices();
 console.log("bluetooth services size is ", services.length);
 
 for (let i = 0; i < services.length; i++) {
@@ -2672,8 +2727,11 @@ setNotifyCharacteristicChanged(characteristic: BLECharacteristic, enable: boolea
 **示例：**
 
 ```js
+let arrayBufferC = new ArrayBuffer(8);
+let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+  characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB', characteristicValue: arrayBufferC, descriptors:descriptors};
 let device = bluetooth.BLE.createGattClientDevice('XX:XX:XX:XX:XX:XX');
-device.setNotifyCharacteristicChanged(notifyCcc, false);
+device.setNotifyCharacteristicChanged(characteristic, false);
 ```
 
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-bluetooth.md b/zh-cn/application-dev/reference/apis/js-apis-system-bluetooth.md
index d5f03b7975526b2eea54a8bead528bf6a3a29340..56d31795e0c9eb29d9356f4aa74a9f975e21fbeb 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-bluetooth.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-bluetooth.md
@@ -47,6 +47,7 @@ ohos.permission.MANAGE_BLUETOOTH
 
   ```
   bluetooth.startBLEScan({
+    interval:0,
     success() {
       console.log('call bluetooth.startBLEScan success.');
     },
@@ -129,7 +130,7 @@ ohos.permission.MANAGE_BLUETOOTH
 **示例：**
 
   ```
-  bluetooth.startaBLEScan({
+  bluetooth.startBLEScan({
     success() {
       bluetooth.subscribeBLEFound({
         success(data) {