diff --git a/communication/bluetooth_ble/src/main/js/default/test/BluetoothBle.test.js b/communication/bluetooth_ble/src/main/js/default/test/BluetoothBle.test.js
index 1a45f559d6c46e22cf91f5794ab661b3c87308bd..c97cd2f656d5e0808eedc67e4cb505715e3dbd77 100644
--- a/communication/bluetooth_ble/src/main/js/default/test/BluetoothBle.test.js
+++ b/communication/bluetooth_ble/src/main/js/default/test/BluetoothBle.test.js
@@ -17,16 +17,16 @@ import bluetooth from '@ohos.bluetooth';
 import {describe, beforeAll, beforeEach, afterEach, afterAll, it, expect} from 'deccjsunit/index'
 
 
-var SppType = {
+let SppType = {
     SPP_RFCOMM : 0
 }
 
-var MatchMode = {
+let MatchMode = {
     MATCH_MODE_AGGRESSIVE : 1,
     MATCH_MODE_STICKY : 2
 }
 
-var MajorClass = {
+let MajorClass = {
     MAJOR_MISC : 0x0000,
     MAJOR_COMPUTER : 0x0100,
     MAJOR_PHONE : 0x0200,
@@ -40,10 +40,11 @@ var MajorClass = {
     MAJOR_UNCATEGORIZED : 0x1F00
 }
 
+
 describe('bluetoothhostTest', function() {
 
-    var gattServer = null;
-    var gattClient = null;
+    let gattServer = null;
+    let gattClient = null;
     beforeAll(function () {
         console.info('beforeAll called')
         gattServer = bluetooth.BLE.createGattServer();
@@ -65,15 +66,13 @@ describe('bluetoothhostTest', function() {
     }
 
     async function tryToEnableBt() {
-        var sta = bluetooth.getState();
+        let sta = bluetooth.getState();
         switch(sta){
             case 0:
-                var enable = bluetooth.enableBluetooth();
-                expect(enable).assertTrue();
+                bluetooth.enableBluetooth();
                 await sleep(3000);
                 break;
             case 1:
-                expect(JSON.stringify(sta)).assertTrue(1);
                 console.info('[bluetooth_js] bt turning on:'+ JSON.stringify(sta));
                 await sleep(3000);
                 break;
@@ -81,8 +80,7 @@ describe('bluetoothhostTest', function() {
                 console.info('[bluetooth_js] state is On:'+ JSON.stringify(sta));
                 break;
             case 3:
-                var enable = bluetooth.enableBluetooth();
-                console.info('[bluetooth_js] enable0 = '+ JSON.stringify(enable));
+                bluetooth.enableBluetooth();
                 await sleep(3000);
                 break;
             default:
@@ -94,7 +92,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_ENABLE_0001
      * @tc.name testEnableBluetooth
      * @tc.desc Test EnableBluetooth api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -102,7 +99,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_ENABLE_0001', 0, async function (done) {
         console.info('[bluetooth_js] enable start');
         await tryToEnableBt();
-        var state = bluetooth.getState();
+        let state = bluetooth.getState();
         console.info('[bluetooth_js] getState On = '+ JSON.stringify(state));
         expect(state).assertEqual(2);
         done();
@@ -113,7 +110,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetoothble_GET_CONNECTED_BLEDEVICES_0001
      * @tc.name testGetConnectedBLEDevices
      * @tc.desc Test getConnectedBLEDevices api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -121,7 +117,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetoothble_GET_CONNECTED_BLEDEVICES_0001', 0, async function (done) {
         console.info('[bluetooth_js] getConnectedBLEDevices test start ...');
         await tryToEnableBt();
-        var result = bluetooth.BLE.getConnectedBLEDevices();
+        let result = bluetooth.BLE.getConnectedBLEDevices();
         console.info("[bluetooth_js] getConnDev:" + JSON.stringify(result)+ "length:" +result.length);
         expect(result.length).assertEqual(0);
         done();
@@ -132,7 +128,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetoothble_CREATE_GATT_SERVER_0001
      * @tc.name testCreateGattServer
      * @tc.desc Test CreateGattServer api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -140,8 +135,8 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetoothble_CREATE_GATT_SERVER_0001', 0, async function (done) {
         console.info('[bluetooth_js] createGattServer test start ...');
         await tryToEnableBt();
-        var result = bluetooth.BLE.createGattServer();
-        var resultLength = Object.keys(result).length;
+        let result = bluetooth.BLE.createGattServer();
+        let resultLength = Object.keys(result).length;
         console.info("[bluetooth_js] createGattServer:" + JSON.stringify(result) + "length:" + resultLength);
         expect(resultLength).assertEqual(1);
         done();
@@ -152,7 +147,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_START_ADVERTISING_0001
      * @tc.name testStartAdvertising
      * @tc.desc Test StartAdvertising api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -160,19 +154,19 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_START_ADVERTISING_0001', 0, async function (done) {
         console.info('[bluetooth_js] BLE advertising start');
         await tryToEnableBt();
-        var manufactureValueBuffer = new Uint8Array(4);
+        let manufactureValueBuffer = new Uint8Array(4);
         manufactureValueBuffer[0] = 1;
         manufactureValueBuffer[1] = 2;
         manufactureValueBuffer[2] = 3;
         manufactureValueBuffer[3] = 4;
-        var serviceValueBuffer = new Uint8Array(4);
+        let serviceValueBuffer = new Uint8Array(4);
         serviceValueBuffer[0] = 4;
         serviceValueBuffer[1] = 6;
         serviceValueBuffer[2] = 7;
         serviceValueBuffer[3] = 8;
         let promise = new Promise((resolve) => {
-            var gattServer = bluetooth.BLE.createGattServer()
-            var start = gattServer.startAdvertising({
+            let gattServer = bluetooth.BLE.createGattServer()
+            let start = gattServer.startAdvertising({
                 interval:150,
                 txPower:60,
                 connectable:true,
@@ -209,7 +203,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_STOP_ADVERTISING_0001
      * @tc.name testStopAdvertising
      * @tc.desc Test StopAdvertising api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -217,8 +210,8 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_STOP_ADVERTISING_0001', 0, async function (done) {
         console.info('[bluetooth_js] BLE stop advertising start');
         await tryToEnableBt();
-        var gattServer = bluetooth.BLE.createGattServer();
-        var stop = gattServer.stopAdvertising();
+        let gattServer = bluetooth.BLE.createGattServer();
+        let stop = gattServer.stopAdvertising();
         expect(stop).assertNull();
         done();
     })
@@ -227,7 +220,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_CONNRCT_0001
      * @tc.name testConnect
      * @tc.desc Test Connect api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -246,7 +238,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_RSSI_VALUE_CALLBACK
      * @tc.name testGetRssiValue
      * @tc.desc Test GetRssiValue api by callback.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -255,7 +246,7 @@ describe('bluetoothhostTest', function() {
         console.info('[bluetooth_js] BLE get rssi1 start');
         await tryToEnableBt();
         let promise = new Promise((resolve) => {
-            var gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
             gattClient.getRssiValue((err, data)=> {
                 console.info('[bluetooth_js] rssi err:' + JSON.stringify(err)+'value:'+JSON.stringify(data));
                 expect(data).assertNull();
@@ -271,7 +262,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_RSSI_VALUE_PROMISE_0001
      * @tc.name testGetRssiValue
      * @tc.desc Test GetRssiValue api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -280,13 +270,13 @@ describe('bluetoothhostTest', function() {
         console.info('[bluetooth_js] BLE get rssi start');
         await tryToEnableBt();
         let promise = new Promise((resolve) => {
-            var gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
             gattClient.getRssiValue().then((data) => {
                 if (data != null) {
                     expect(true).assertEqual(true);
                 } else {
                     console.info('[bluetooth_js] BLE read rssi ' + JSON.stringify(data));
-                    var rssiLength = Object.keys(data).length;
+                    let rssiLength = Object.keys(data).length;
                     expect(rssiLength).assertEqual(0);
                 }
             }).catch(err => {
@@ -304,7 +294,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_DEVICE_NAME_PROMISE_0001
      * @tc.name testGetDeviceName
      * @tc.desc Test GetDeviceName api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -313,7 +302,7 @@ describe('bluetoothhostTest', function() {
         console.info('[bluetooth_js] BLE get device name promise start');
         await tryToEnableBt();
         let promise = new Promise((resolve) => {
-            var gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
             gattClient.getDeviceName().then((data) => {
                 console.info('[bluetooth_js] device name' + JSON.stringify(data))
                 expect(data).assertNull();
@@ -329,7 +318,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_GETSERVICES_CALLBACK_0001
      * @tc.name testGetServices
      * @tc.desc Test GetServices api by callback.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -337,19 +325,23 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_GETSERVICES_CALLBACK_0001', 0, async function (done) {
         console.info('[bluetooth_js] getServices callback start');
         await tryToEnableBt();
-        var gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
-        gattClient.getServices((err, data)=> {
-            console.info('[bluetooth_js] device name err1 ' + JSON.stringify(err) +'name1' + JSON.stringify(data));
-            expect(true).assertEqual(err.code == -1);
-            done();
+        let promise = new Promise((resolve) => {
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            gattClient.getServices((err, data)=> {
+                console.info('[bluetooth_js] device name err1 ' + JSON.stringify(err) +'name1' + JSON.stringify(data));
+                expect(true).assertEqual(err.code == -1);
+                done();
+            })
+            resolve()
         })
+        await promise.then(done)
+        done();
     })
 
     /**
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_GETSERVICES_PROMISE_0001
      * @tc.name testGetServices
      * @tc.desc Test GetServices api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -357,27 +349,31 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_GETSERVICES_PROMISE_0001', 0, async function (done) {
         console.info('[bluetooth_js] getServices promise start');
         await tryToEnableBt();
-        var gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
-        await gattClient.getServices().then((object) => {
-            if (object != null) {
+        let promise = new Promise((resolve) => {
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            gattClient.getServices().then((object) => {
+                if (object != null) {
+                    expect(true).assertEqual(true);
+                } else {
+                    console.info('[bluetooth_js] getServices successfully:'+JSON.stringify(object));
+                    expect(null).assertFail();
+                }
+                done();
+            }).catch(err => {
+                console.error(`bluetooth getServices has error: ${err}`);
                 expect(true).assertEqual(true);
-            } else {
-                console.info('[bluetooth_js] getServices successfully:'+JSON.stringify(object));
-                expect(null).assertFail();
-            }
-            done();
-        }).catch(err => {
-            console.error(`bluetooth getServices has error: ${err}`);
-            expect(true).assertEqual(true);
-            done();
-        });
+                done();
+            });
+            resolve()
+        })
+        await promise.then(done)
+        done();
     })
 
     /**
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_READ_CHARA_VALUE_0001
      * @tc.name testReadCharacteristicValue
      * @tc.desc Test ReadCharacteristicValue api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -385,39 +381,44 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_READ_CHARA_VALUE_0001', 0, async function (done) {
         console.info('[bluetooth_js] readCharacteristicValue start');
         await tryToEnableBt();
-        let descriptors = [];
-        let arrayBuffer = new ArrayBuffer(8);
-        let desValue =  new Uint8Array(arrayBuffer);
-        desValue[0] = 11;
-        let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-            descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
-        descriptors[0] = descriptor;
-        let arrayBufferCCC = new ArrayBuffer(8);
-        let cccValue = new Uint8Array(arrayBufferCCC);
-        cccValue[0] = 32;
-        let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-            characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
-            characteristicValue: arrayBufferCCC, descriptors:descriptors};
-        gattClient.readCharacteristicValue(characteristic).then((object) => {
-            if (object != null) {
+        let promise = new Promise((resolve) => {
+            let descriptors = [];
+            let arrayBuffer = new ArrayBuffer(8);
+            let desValue =  new Uint8Array(arrayBuffer);
+            desValue[0] = 11;
+            let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+                descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
+            descriptors[0] = descriptor;
+            let arrayBufferCCC = new ArrayBuffer(8);
+            let cccValue = new Uint8Array(arrayBufferCCC);
+            cccValue[0] = 32;
+            let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+                characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
+                characteristicValue: arrayBufferCCC, descriptors:descriptors};
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            gattClient.readCharacteristicValue(characteristic).then((object) => {
+                if (object != null) {
+                    expect(true).assertEqual(true);
+                } else {
+                    console.info('[bluetooth_js] readCharacValue data:' + JSON.stringify(data));
+                    expect(null).assertFail();
+                }
+                done();
+            }).catch(err => {
+                console.error(`bluetooth readCharacteristicValue has error: ${err}`);
                 expect(true).assertEqual(true);
-            } else {
-                console.info('[bluetooth_js] readCharacValue data:' + JSON.stringify(data));
-                expect(null).assertFail();
-            }
-            done();
-        }).catch(err => {
-            console.error(`bluetooth readCharacteristicValue has error: ${err}`);
-            expect(true).assertEqual(true);
-            done();
-        });
+                done();
+            });
+            resolve()
+        })
+        await promise.then(done)
+        done();
     })
 
     /**
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_READ_DESCRI_VALUE_0001
      * @tc.name testReadDescriptorValue
      * @tc.desc Test ReadDescriptorValue api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -425,31 +426,37 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_READ_DESCRI_VALUE_0001', 0, async function (done) {
         console.info('[bluetooth_js] readDescriptorValue start');
         await tryToEnableBt();
-        let arrayBuffer = new ArrayBuffer(8);
-        let desValue =  new Uint8Array(arrayBuffer);
-        desValue[0] = 11;
-        let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-            descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
-        gattClient.readDescriptorValue(descriptor).then((object) => {
-            if (object != null) {
+        let promise = new Promise((resolve) => {
+            let arrayBuffer = new ArrayBuffer(8);
+            let desValue =  new Uint8Array(arrayBuffer);
+            desValue[0] = 11;
+            let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+                descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            gattClient.readDescriptorValue(descriptor).then((object) => {
+                if (object != null) {
+                    expect(true).assertEqual(true);
+                } else {
+                    console.info('[bluetooth_js] BLEDescriptor data:' + JSON.stringify(object));
+                    expect(null).assertFail();
+                }
+                done();
+            }).catch(err => {
+                console.error(`bluetooth readDescriptorValue has error: ${err}`);
                 expect(true).assertEqual(true);
-            } else {
-                console.info('[bluetooth_js] BLEDescriptor data:' + JSON.stringify(object));
-                expect(null).assertFail();
-            }
-            done();
-        }).catch(err => {
-            console.error(`bluetooth readDescriptorValue has error: ${err}`);
-            expect(true).assertEqual(true);
-            done();
-        });
+                done();
+            });
+            resolve()
+        })
+        await promise.then(done)
+        done();
     })
 
+
     /**
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_WRITE_CHARACT_VALUE_0001
      * @tc.name testWriteCharacteristicValue
      * @tc.desc Test WriteCharacteristicValue api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -457,30 +464,35 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_WRITE_CHARACT_VALUE_0001', 0, async function (done) {
         console.info('[bluetooth_js] writeCharacteristicValue start');
         await tryToEnableBt();
-        let descriptors = [];
-        let arrayBuffer = new ArrayBuffer(8);
-        let desValue =  new Uint8Array(arrayBuffer);
-        desValue[0] = 11;
-        let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-            descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
-        descriptors[0] = descriptor;
-        let arrayBufferCCC = new ArrayBuffer(8);
-        let cccValue = new Uint8Array(arrayBufferCCC);
-        cccValue[0] = 32;
-        let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-            characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
-            characteristicValue: arrayBufferCCC, descriptors:descriptors};
-        let ret = gattClient.writeCharacteristicValue(characteristic);
-        console.info('[bluetooth_js] writeCharacteristicValue ret : ' + ret);
-        expect(ret).assertEqual(false);
+        let promise = new Promise((resolve) => {
+            let descriptors = [];
+            let arrayBuffer = new ArrayBuffer(8);
+            let desValue =  new Uint8Array(arrayBuffer);
+            desValue[0] = 11;
+            let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+                descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
+            descriptors[0] = descriptor;
+            let arrayBufferCCC = new ArrayBuffer(8);
+            let cccValue = new Uint8Array(arrayBufferCCC);
+            cccValue[0] = 32;
+            let characteristic = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+                characteristicUuid: '00001820-0000-1000-8000-00805F9B34FB',
+                characteristicValue: arrayBufferCCC, descriptors:descriptors};
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            let ret = gattClient.writeCharacteristicValue(characteristic);
+            console.info('[bluetooth_js] writeCharacteristicValue ret : ' + ret);
+            expect(ret).assertEqual(false);
+            resolve()
+        })
+        await promise.then(done)
         done();
     })
 
+
     /**
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_WRITE_DESC_VALUE_0001
      * @tc.name testWriteDescriptorValue
      * @tc.desc Test WriteDescriptorValue api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -488,22 +500,27 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_WRITE_DESC_VALUE_0001', 0, async function (done) {
         console.info('[bluetooth_js] writeDescriptorValue start');
         await tryToEnableBt();
-        let arrayBuffer = new ArrayBuffer(8);
-        let desValue =  new Uint8Array(arrayBuffer);
-        desValue[0] = 11;
-        let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
-            descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
-        let ret = gattClient.writeDescriptorValue(descriptor);
-        console.info('[bluetooth_js] bluetooth writeDescriptorValue ret : ' + ret);
-        expect(ret).assertEqual(false);
+        let promise = new Promise((resolve) => {
+            let arrayBuffer = new ArrayBuffer(8);
+            let desValue =  new Uint8Array(arrayBuffer);
+            desValue[0] = 11;
+            let descriptor = {serviceUuid: '00001810-0000-1000-8000-00805F9B34FB',
+                descriptorUuid: '00001830-0000-1000-8000-00805F9B34FB', descriptorValue: arrayBuffer};
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            let ret = gattClient.writeDescriptorValue(descriptor);
+            console.info('[bluetooth_js] bluetooth writeDescriptorValue ret : ' + ret);
+            expect(ret).assertEqual(false);
+            resolve()
+        })
+        await promise.then(done)
         done();
     })
 
+
     /**
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_SET_BLE_MTUSIZE_0001
      * @tc.name testSetBLEMtuSize
      * @tc.desc Test SetBLEMtuSize api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -511,6 +528,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_SET_BLE_MTUSIZE_0001', 0, async function (done) {
         console.info('[bluetooth_js] setBLEMtuSize start');
         await tryToEnableBt();
+        let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
         let ret = gattClient.setBLEMtuSize(128);
         console.info('[bluetooth_js] bluetooth setBLEMtuSize ret:' + ret);
         expect(ret).assertEqual(false);
@@ -521,7 +539,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_SET_NOTIFY_CHARA_CHANGED_0001
      * @tc.name testSetNotifyCharacteristicChanged
      * @tc.desc Test SetNotifyCharacteristicChanged api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -529,6 +546,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_SET_NOTIFY_CHARA_CHANGED_0001', 0, async function (done) {
         console.info('[bluetooth_js] setNotifyCharacteristicChanged start');
         await tryToEnableBt();
+        let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
         let descriptors = [];
         let arrayBuffer = new ArrayBuffer(8);
         let desValue =  new Uint8Array(arrayBuffer);
@@ -560,7 +578,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_ADD_SERVICE_0001
      * @tc.name testAddService
      * @tc.desc Test AddService api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -568,7 +585,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_ADD_SERVICE_0001', 0, async function (done) {
         console.info('[bluetooth_js] addService start');
         await tryToEnableBt();
-        gattServer = bluetooth.BLE.createGattServer();
+        let gattServer = bluetooth.BLE.createGattServer();
         let descriptors = [];
         let arrayBuffer = new ArrayBuffer(8);
         let desValue =  new Uint8Array(arrayBuffer);
@@ -598,7 +615,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_REMOVE_SERVICE_0001
      * @tc.name testRemoveService
      * @tc.desc Test RemoveService api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -606,7 +622,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_REMOVE_SERVICE_0001', 0, async function (done) {
         console.info('[bluetooth_js] removeService start');
         await tryToEnableBt();
-        gattServer = bluetooth.BLE.createGattServer();
+        let gattServer = bluetooth.BLE.createGattServer();
         let ret = gattServer.removeService('00001810-0000-1000-8000-008000000000');
         console.info('[bluetooth_js] removeService ret : ' + ret);
         expect(ret).assertEqual(false);
@@ -617,7 +633,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_NOTIFY_CHARA_CHANGED_0001
      * @tc.name testNotifyCharacteristicChanged
      * @tc.desc Test NotifyCharacteristicChanged api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -625,6 +640,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_NOTIFY_CHARA_CHANGED_0001', 0, async function (done) {
         console.info('[bluetooth_js] notifyCharacteristicChanged start');
         await tryToEnableBt();
+        let gattServer = bluetooth.BLE.createGattServer()
         let descriptors = [];
         let arrayBufferDesc = new ArrayBuffer(8);
         let desValue =  new Uint8Array(arrayBufferDesc);
@@ -657,7 +673,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_SEND_RESPONSE_0001
      * @tc.name testSendResponse
      * @tc.desc Test SendResponse api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -665,6 +680,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_SEND_RESPONSE_0001', 0, async function (done) {
         console.info('[bluetooth_js] sendResponse start');
         await tryToEnableBt();
+        let gattServer = bluetooth.BLE.createGattServer()
         let arrayBuffer = new ArrayBuffer(8);
         let value =  new Uint8Array(arrayBuffer);
         value[0] = 1;
@@ -682,7 +698,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetoothble_GATTSERVER_CLOSE_0001
      * @tc.name testBlePeripheralManagerClose
      * @tc.desc Test BlePeripheralManagerClose api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -691,7 +706,8 @@ describe('bluetoothhostTest', function() {
         console.info('[bluetooth_js] GattserverClose test start ...');
         await tryToEnableBt();
         try{
-            var result = gattServer.close();
+            let gattServer = bluetooth.BLE.createGattServer()
+            let result = gattServer.close();
             console.info("[bluetooth_js] GattserverClose res:"+ JSON.stringify(result));
             expect(result).assertTrue();
         }catch(error){
@@ -705,7 +721,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_DISCONNRCT_0001
      * @tc.name testDisConnect
      * @tc.desc Test DisConnect api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -713,6 +728,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GATT_DISCONNRCT_0001', 0, async function (done) {
         console.info('[bluetooth_js] gatt disconnect start');
         await tryToEnableBt();
+        let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
         let ret = gattClient.disconnect();
         console.info('[bluetooth_js] gatt disconnect ret:' + ret);
         expect(ret).assertEqual(false);
@@ -723,7 +739,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GATT_CLIENT_CLOSE_0001
      * @tc.name testGattClientClose
      * @tc.desc Test GattClientClose api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -732,7 +747,8 @@ describe('bluetoothhostTest', function() {
         console.info('[bluetooth_js] GattclientClose test start ...');
         await tryToEnableBt();
         try{
-            var result = gattClient.close();
+            let gattClient = bluetooth.BLE.createGattClientDevice("00:00:00:00:00:00");
+            let result = gattClient.close();
             console.info("[bluetooth_js] GattclientClose result:" + JSON.stringify(result));
             expect(result).assertTrue();
         }catch(error){
@@ -743,4 +759,3 @@ describe('bluetoothhostTest', function() {
     })
 
 })
-
diff --git a/communication/bluetooth_on/src/main/js/default/test/BluetoothOn.test.js b/communication/bluetooth_on/src/main/js/default/test/BluetoothOn.test.js
index 80022a2439451822ea7a802a3f29da362fb41d41..6cd316c1d606f5226af14f427279b7a03dc517f9 100644
--- a/communication/bluetooth_on/src/main/js/default/test/BluetoothOn.test.js
+++ b/communication/bluetooth_on/src/main/js/default/test/BluetoothOn.test.js
@@ -16,7 +16,7 @@
 import bluetooth from '@ohos.bluetooth';
 import {describe, beforeAll, beforeEach, afterEach, afterAll, it, expect} from 'deccjsunit/index'
 
-var MajorMinorClass = {
+let MajorMinorClass = {
     COMPUTER_UNCATEGORIZED : 0x0100,
     COMPUTER_DESKTOP : 0x0104,
     COMPUTER_SERVER : 0x0108,
@@ -106,10 +106,11 @@ var MajorMinorClass = {
     HEALTH_PERSONAL_MOBILITY_DEVICE : 0x093C
 };
 
+
 describe('bluetoothhostTest', function() {
 
-    var gattServer = null;
-    var gattClient = null;
+    let gattServer = null;
+    let gattClient = null;
     beforeAll(function () {
         console.info('beforeAll called')
         gattServer = bluetooth.BLE.createGattServer();
@@ -131,11 +132,10 @@ describe('bluetoothhostTest', function() {
     }
 
     async function tryToEnableBt() {
-        var sta = bluetooth.getState();
+        let sta = bluetooth.getState();
         switch(sta){
             case 0:
-                var enable = bluetooth.enableBluetooth();
-                console.info('[bluetooth_js] enable0 = '+ JSON.stringify(enable));
+                bluetooth.enableBluetooth();
                 await sleep(3000);
                 break;
             case 1:
@@ -146,8 +146,7 @@ describe('bluetoothhostTest', function() {
                 console.info('[bluetooth_js] state is On:'+ JSON.stringify(sta));
                 break;
             case 3:
-                var enable = bluetooth.enableBluetooth();
-                console.info('[bluetooth_js] enable0 = '+ JSON.stringify(enable));
+                bluetooth.enableBluetooth();
                 await sleep(3000);
                 break;
             default:
@@ -159,7 +158,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_ENABLE_0001
      * @tc.name testEnableBluetooth
      * @tc.desc Test EnableBluetooth api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -174,7 +172,7 @@ describe('bluetoothhostTest', function() {
             }
         }
         await tryToEnableBt();
-        var state = bluetooth.getState();
+        let state = bluetooth.getState();
         expect(state).assertEqual(2);
         await bluetooth.off('stateChange', result => {
             expect(true).assertEqual(result ==null);
@@ -187,7 +185,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_START_BLUETOOTH_DISCOVERY_0001
      * @tc.name testClassicStartBluetoothDiscovery
      * @tc.desc Test ClassicStartBluetoothDiscovery api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -215,7 +212,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_START_BLESCAN_WITHOUT_PARAM_0001
      * @tc.name testClassicStartBLEScan
      * @tc.desc Test ClassicStartBLEScan api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -236,7 +232,7 @@ describe('bluetoothhostTest', function() {
                 expect(true).assertEqual(result ==null);
                 done();
             });
-            var result = bluetooth.BLE.stopBLEScan();
+            let result = bluetooth.BLE.stopBLEScan();
             console.info("[bluetooth_js] onStopBLEScan -> " + JSON.stringify(result));
             console.info('[bluetooth_js] BLE scan start end');
             resolve()
@@ -250,7 +246,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_PAIR_DEVICE_0001
      * @tc.name testClassicPairDevice
      * @tc.desc Test ClassicPairDevice api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -264,7 +259,7 @@ describe('bluetoothhostTest', function() {
             expect(true).assertEqual(result !=null);
             done();
         });
-        var enable = bluetooth.pairDevice("00:00:00:00:00:00")
+        let enable3 = bluetooth.pairDevice("00:00:00:00:00:00")
         bluetooth.BLE.off('pinRequired', result => {
             console.info("[bluetooth_js] pinRequired off:" + JSON.stringify(result));
             expect(true).assertEqual(result ==null);
@@ -276,7 +271,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_PAIR_DEVICE_0002
      * @tc.name testClassicPairDevice
      * @tc.desc Test ClassicPairDevice api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -290,7 +284,7 @@ describe('bluetoothhostTest', function() {
             expect(true).assertEqual(result !=null);
             done();
         });
-        var enable = bluetooth.pairDevice("00:00:00:00:00:00")
+        let enable4 = bluetooth.pairDevice("00:00:00:00:00:00")
         expect(bluetooth.BondState.BOND_STATE_INVALID == 0).assertTrue();
         expect(bluetooth.BondState.BOND_STATE_BONDING == 1).assertTrue();
         expect(bluetooth.BondState.BOND_STATE_BONDED == 2).assertTrue();
@@ -305,7 +299,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SPP_LISTEN_0001
      * @tc.name testSppListen
      * @tc.desc Test SppListen api by callback.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -332,7 +325,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetoothble_CHARAC_READ_ON_0001
      * @tc.name testonCharacteristicReadOn
      * @tc.desc Test CharacteristicReadOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -345,14 +337,14 @@ describe('bluetoothhostTest', function() {
                 console.info('[bluetooth_js] CharRedReq deviceId: ' + data.deviceId +
                 'transId:' + data.transId + 'offset:' + data.offset + 'charUuid:' +
                 data.characteristicUuid + 'serviceUuid:' + data.serviceUuid);
-                var serverResponse = {
+                let serverResponse = {
                     "deviceId": data.deviceId,
                     "transId": data.transId,
                     "status": 0,
                     "offset": data.offset,
                     "value": str2ab("characteristic read response", data.offset),
                 };
-                var result = gattServer.sendResponse(serverResponse);
+                let result = gattServer.sendResponse(serverResponse);
                 expect(JSON.stringify(result)).assertContain("true");
             });
         }catch(e) {
@@ -375,7 +367,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetoothble_CHARAC_WRITE_ON_0001
      * @tc.name testonCharacteristicwriteOn
      * @tc.desc Test CharacteristicwriteOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -397,14 +388,14 @@ describe('bluetoothhostTest', function() {
                     return;
                 }
                 console.log(`data.value is ArraryBuffer: ${ab2hex(data.value)}`)
-                var serverResponse = {
+                let serverResponse = {
                     "deviceId": data.deviceId,
                     "transId": data.transId,
                     "status": 0,
                     "offset": data.offset,
                     "value": data.value,
                 };
-                var result = gattServer.sendResponse(serverResponse);
+                let result = gattServer.sendResponse(serverResponse);
                 expect(JSON.stringify(result)).assertContain("true");
             });
         }catch(e) {
@@ -427,7 +418,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_DESC_READ_ON_0001
      * @tc.name testDescriptorReadOn
      * @tc.desc Test DescriptorReadOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -464,7 +454,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_DESC_WRITE_ON_0001
      * @tc.name testDescriptorWriteOn
      * @tc.desc Test DescriptorWriteOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -501,7 +490,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_CONNE_STATE_CHANGE_ON_0001
      * @tc.name testConnectStateChangeOn
      * @tc.desc Test ConnectStateChangeOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -536,7 +524,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_BLE_CHAR_CHANGE_ON_0001
      * @tc.name testBLECharacteristicChangeOn
      * @tc.desc Test BLECharacteristicChangeOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -570,7 +557,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_BLE_CONNE_STATE_CHANGE_ON_0001
      * @tc.name testBLEConnectionStateChangeOn
      * @tc.desc Test BLEConnectionStateChangeOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -605,7 +591,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetoothble_SPP_READ_ON_0001
      * @tc.name testonsppReadOn
      * @tc.desc Test sppReadOn api .
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -635,4 +620,3 @@ describe('bluetoothhostTest', function() {
     })
 
 })
-
diff --git a/communication/bluetooth_standard/src/main/js/default/test/Bluetooth.test.js b/communication/bluetooth_standard/src/main/js/default/test/Bluetooth.test.js
index aed7662fe8637208e4311e2b12add595b6de2e84..9b60671cfba5e30ffd55516b7c8ef9924add751e 100644
--- a/communication/bluetooth_standard/src/main/js/default/test/Bluetooth.test.js
+++ b/communication/bluetooth_standard/src/main/js/default/test/Bluetooth.test.js
@@ -17,7 +17,7 @@ import bluetooth from '@ohos.bluetooth';
 import {describe, beforeAll, beforeEach, afterEach, afterAll, it, expect} from 'deccjsunit/index'
 
 
-var Btname = {
+let Btname = {
     NUM_TEST :'012345678901234567890123456789012345678901234567890123'+
     '45678901234567890123456789012345678901234567890123456789012345678901234567',
     NUM_TEST1 :'01234567890123456789012345678901234567890123456'
@@ -59,11 +59,10 @@ describe('bluetoothhostTest', function() {
     }
 
     async function tryToEnableBt() {
-        var sta = bluetooth.getState();
+        let sta = bluetooth.getState();
         switch(sta){
             case 0:
-                var enable = bluetooth.enableBluetooth();
-                console.info('[bluetooth_js] enable0 = '+ JSON.stringify(enable));
+                bluetooth.enableBluetooth();
                 await sleep(3000);
                 break;
             case 1:
@@ -74,8 +73,7 @@ describe('bluetoothhostTest', function() {
                 console.info('[bluetooth_js] state is On:'+ JSON.stringify(sta));
                 break;
             case 3:
-                var enable = bluetooth.enableBluetooth();
-                console.info('[bluetooth_js] enable0 = '+ JSON.stringify(enable));
+                bluetooth.enableBluetooth();
                 await sleep(3000);
                 break;
             default:
@@ -85,52 +83,33 @@ describe('bluetoothhostTest', function() {
 
 
     /**
-     * @tc.number SUB_COMMUNACATION_bluetooth_ENABLE_0001
+     * @tc.number SUB_COMMUNACATION_bluetooth_GET_STATE_0001
      * @tc.name testEnableBluetooth
      * @tc.desc Test EnableBluetooth api by promise.
-     * @tc.author zhangyujie zwx1079266
-     * @tc.size MEDIUM
-     * @tc.type Function
-     * @tc.level Level 2
-     */
-    it('SUB_COMMUNACATION_bluetooth_ENABLE_0001', 0, async function (done) {
-        console.info('[bluetooth_js] enable start');
-        await tryToEnableBt();
-        var state = bluetooth.getState();
-        expect(state).assertEqual(bluetooth.BluetoothState.STATE_ON);
-        expect(bluetooth.BluetoothState.STATE_OFF == 0).assertTrue();
-        expect(bluetooth.BluetoothState.STATE_TURNING_ON == 1).assertTrue();
-        expect(bluetooth.BluetoothState.STATE_TURNING_OFF == 3).assertTrue();
-        expect(bluetooth.BluetoothState.STATE_BLE_TURNING_ON == 4).assertTrue();
-        expect(bluetooth.BluetoothState.STATE_BLE_ON == 5).assertTrue();
-        expect(bluetooth.BluetoothState.STATE_BLE_TURNING_OFF == 6).assertTrue();
-        done();
-    })
-
-    /**
-     * @tc.number SUB_COMMUNACATION_bluetooth_GET_STATE_0001
-     * @tc.name testGetState
-     * @tc.desc Test GetState api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_GET_STATE_0001', 0, async function (done) {
-        console.info('[bluetooth_js] get state start');
+        console.info('[bluetooth_js] getState start');
         await tryToEnableBt();
-        var state = bluetooth.getState();
-        console.info('get bluetooth state end');
+        let state = bluetooth.getState();
         console.info('[bluetooth_js] get bluetooth state result = '+ JSON.stringify(state));
         expect(state).assertEqual(bluetooth.BluetoothState.STATE_ON);
+        expect(bluetooth.BluetoothState.STATE_OFF != state).assertTrue();
+        expect(bluetooth.BluetoothState.STATE_TURNING_ON != state).assertTrue();
+        expect(bluetooth.BluetoothState.STATE_TURNING_OFF != state).assertTrue();
+        expect(bluetooth.BluetoothState.STATE_BLE_TURNING_ON != state).assertTrue();
+        expect(bluetooth.BluetoothState.STATE_BLE_ON != state).assertTrue();
+        expect(bluetooth.BluetoothState.STATE_BLE_TURNING_OFF != state).assertTrue();
         done();
     })
 
+
     /**
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCALNAME_0001
      * @tc.name testClassicSetLocalName
      * @tc.desc Test ClassicSetLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -138,7 +117,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_SET_LOCALNAME_0001', 0, async function (done) {
         console.info('[bluetooth_js] set localname start');
         await tryToEnableBt();
-        var name = bluetooth.setLocalName('bluetooth_test');
+        let name = bluetooth.setLocalName('bluetooth_test');
         console.info('[bluetooth_js] appInfoTest enable bluetooth result = '+ JSON.stringify(name));
         expect(name).assertEqual(true);
         done();
@@ -148,7 +127,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_START_PAIR_0001
      * @tc.name testStartpair
      * @tc.desc Test Startpair api by promise.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -156,7 +134,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_START_PAIR_0001', 0, async function (done) {
         console.info('[bluetooth_js] Startpair test start ...');
         await tryToEnableBt();
-        var result = bluetooth.pairDevice("00:00:00:00:00:00");
+        let result = bluetooth.pairDevice("00:00:00:00:00:00");
         console.info("[bluetooth_js] onStartpair -> " + JSON.stringify(result));
         expect(result).assertFalse();
         done();
@@ -166,7 +144,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_LOCALNAME_0001
      * @tc.name testClassicGetLocalName
      * @tc.desc Test ClassicGetLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -174,7 +151,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GET_LOCALNAME_0001', 0, async function (done) {
         console.info('[bluetooth_js] get localName start');
         await tryToEnableBt();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         console.info('[bluetooth_js] get local Name result = ' + JSON.stringify(localName));
         expect(localName).assertEqual('bluetooth_test');
         done();
@@ -184,7 +161,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_BLUETOOTH_SCAN_MODE_0001
      * @tc.name testClassicSetBluetoothScanMode
      * @tc.desc Test ClassicSetBluetoothScanMode api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -192,7 +168,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_SET_BLUETOOTH_SCAN_MODE_0001', 0, async function (done) {
         console.info('[bluetooth_js] set scan mode start');
         await tryToEnableBt();
-        var result = bluetooth.setBluetoothScanMode(1,10000);
+        let result = bluetooth.setBluetoothScanMode(1,10000);
         expect(true).assertTrue(JSON.stringify(bluetooth.ScanDuty.SCAN_MODE_LOW_POWER) !=result );
         expect(true).assertTrue(JSON.stringify(bluetooth.ScanDuty.SCAN_MODE_BALANCED) != result);
         expect(true).assertTrue(JSON.stringify(bluetooth.ScanDuty.SCAN_MODE_BALANCED) != result );
@@ -204,7 +180,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_BLUETOOTH_SCAN_MODE_0001
      * @tc.name testClassicGetBluetoothScanMode
      * @tc.desc Test ClassicGetBluetoothScanMode api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -212,9 +187,9 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GET_BLUETOOTH_SCAN_MODE_0001', 0, async function (done) {
         console.info('[bluetooth_js] get scan mode start');
         await tryToEnableBt();
-        var result = bluetooth.setBluetoothScanMode(1,10000);
+        let result = bluetooth.setBluetoothScanMode(1,10000);
         expect(result).assertEqual(true);
-        var scanMode = bluetooth.getBluetoothScanMode();
+        let scanMode = bluetooth.getBluetoothScanMode();
         console.info('[bluetooth_js] get scan mode result2 = ' + JSON.stringify(scanMode));
         expect(scanMode).assertEqual(1);
         expect(true).assertTrue(bluetooth.ScanMode.SCAN_MODE_NONE != scanMode);
@@ -230,7 +205,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_BT_CONNECT_STATE_0001
      * @tc.name testClassicGetBtConnectionState
      * @tc.desc Test ClassicGetBtConnectionState api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -238,7 +212,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GET_BT_CONNECT_STATE_0001', 0, async function (done) {
         console.info('[bluetooth_js] get connection state start');
         await tryToEnableBt();
-        var connState = bluetooth.getBtConnectionState();
+        let connState = bluetooth.getBtConnectionState();
         console.info('[bluetooth_js] get bt connection state result' + JSON.stringify(connState));
         expect(connState).assertEqual(bluetooth.ProfileConnectionState.STATE_DISCONNECTED);
         expect(true).assertTrue(bluetooth.ProfileConnectionState.STATE_CONNECTING!= connState );
@@ -251,7 +225,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_START_BLUETOOTH_DISCOVERY_0001
      * @tc.name testClassicStartBluetoothDiscovery
      * @tc.desc Test ClassicStartBluetoothDiscovery api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -269,7 +242,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_STOP_BLUETOOTH_DISCOVERY_0001
      * @tc.name testClassicStopBluetoothDiscovery
      * @tc.desc Test ClassicStopBluetoothDiscovery api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -287,7 +259,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_PAIRED_DEVICES_0001
      * @tc.name testClassicGetPairedDevices
      * @tc.desc Test ClassicGetPairedDevices api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -295,7 +266,7 @@ describe('bluetoothhostTest', function() {
     it('SUB_COMMUNACATION_bluetooth_GET_PAIRED_DEVICES_0001', 0, async function (done) {
         console.info('[bluetooth_js] get paired devices start');
         await tryToEnableBt();
-        var devices = bluetooth.getPairedDevices();
+        let devices = bluetooth.getPairedDevices();
         console.info('[bluetooth_js] get paired devices:' + JSON.stringify(devices) +'length:' + devices.length);
         expect(devices.length).assertEqual(0);
         done();
@@ -306,7 +277,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SPP_LISTEN_0001
      * @tc.name testSppListen
      * @tc.desc Test SppListen api by callback.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -332,7 +302,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SPP_ACCEPT_0001
      * @tc.name testSppAccept
      * @tc.desc Test SppAccept api by callbck.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -355,7 +324,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SPP_CLOSE_SERVER_SOCKET_0001
      * @tc.name testSppCloseServerSocket
      * @tc.desc Test SppCloseServerSocket api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -373,7 +341,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SPP_CONNECT_0001
      * @tc.name testSppConnect
      * @tc.desc Test SppConnect api by callback.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -398,7 +365,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SPP_WRITE_0001
      * @tc.name testSppWrite
      * @tc.desc Test SppWrite api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -419,7 +385,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_REMO_DEV_NAME_0001
      * @tc.name testGetRemoteDeviceName
      * @tc.desc Test GetRemoteDeviceName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -437,7 +402,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_GET_REMO_DEV_CLASS_0001
      * @tc.name testGetRemoteDeviceClass
      * @tc.desc Test GetRemoteDeviceClass api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -457,7 +421,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_CANCEL_PAIRED_DEV_0001
      * @tc.name testCancelPairedDevice
      * @tc.desc Test CancelPairedDevice api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -476,18 +439,17 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0001
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0001', 0, async function (done) {
         await tryToEnableBt();
-        var state = bluetooth.getState();
+        let state = bluetooth.getState();
         expect(true).assertTrue(JSON.stringify(bluetooth.BluetoothState.STATE_ON)==state);
-        var name = bluetooth.setLocalName('');
+        let name = bluetooth.setLocalName('');
         expect(name).assertFalse();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(localName==name);
         console.info('[bluetooth_js] getLocalName result1 = ' + JSON.stringify(localName));
         done();
@@ -498,15 +460,14 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0002
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0002', 0, async function (done) {
         await tryToEnableBt();
-        var localName = bluetooth.getLocalName();
-        var name = bluetooth.setLocalName();
+        let localName = bluetooth.getLocalName();
+        let name = bluetooth.setLocalName();
         console.info('[bluetooth_js] getName result2 = '+ JSON.stringify(localName) +
         'setName result2 =' + JSON.stringify(name));
         expect(name).assertNull();
@@ -517,16 +478,15 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0003
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0003', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.NUM_TEST);
+        let name = bluetooth.setLocalName(Btname.NUM_TEST);
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.NUM_TEST == JSON.stringify(localName));
         done();
     })
@@ -535,16 +495,15 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0004
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0004', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.NUM_TEST1);
+        let name = bluetooth.setLocalName(Btname.NUM_TEST1);
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.NUM_TEST1 == JSON.stringify(localName));
         done();
     })
@@ -553,16 +512,15 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0005
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0005', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.LETTERS_TEST);
+        let name = bluetooth.setLocalName(Btname.LETTERS_TEST);
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.LETTERS_TEST == JSON.stringify(localName));
         done();
     })
@@ -572,16 +530,15 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0006
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0006', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.CHINESES_TEST);
+        let name = bluetooth.setLocalName(Btname.CHINESES_TEST);
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.CHINESES_TEST == JSON.stringify(localName));
         done();
     })
@@ -591,17 +548,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0007
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0007', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.SYMBOL_TEST);
+        let name = bluetooth.setLocalName(Btname.SYMBOL_TEST);
         console.info('[bluetooth_js] setLocalName result7 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.SYMBOL_TEST == JSON.stringify(localName));
         done();
     })
@@ -610,17 +566,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0008
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0008', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.MIXES);
+        let name = bluetooth.setLocalName(Btname.MIXES);
         console.info('[bluetooth_js] setLocalName result8 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.MIXES == JSON.stringify(localName));
         done();
     })
@@ -629,17 +584,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0009
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_0009', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.MIXES2);
+        let name = bluetooth.setLocalName(Btname.MIXES2);
         console.info('[bluetooth_js] setLocalName result9 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.MIXES2 == JSON.stringify(localName));
         done();
     })
@@ -648,17 +602,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00010
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00010', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.MIXES3);
+        let name = bluetooth.setLocalName(Btname.MIXES3);
         console.info('[bluetooth_js] setLocalName result10 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.MIXES3 == JSON.stringify(localName));
         done();
     })
@@ -667,17 +620,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00011
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00011', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.MIXES4);
+        let name = bluetooth.setLocalName(Btname.MIXES4);
         console.info('[bluetooth_js] setLocalName result11 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.MIXES4 == JSON.stringify(localName));
         done();
     })
@@ -686,17 +638,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00012
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00012', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.MIXES5);
+        let name = bluetooth.setLocalName(Btname.MIXES5);
         console.info('[bluetooth_js] setLocalName result12 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.MIXES5 == JSON.stringify(localName));
         done();
     })
@@ -705,17 +656,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00013
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00013', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.MIXES6);
+        let name = bluetooth.setLocalName(Btname.MIXES6);
         console.info('[bluetooth_js] setLocalName result13 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.MIXES6 == JSON.stringify(localName));
         done();
     })
@@ -725,17 +675,16 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00014
      * @tc.name testsetLocalName
      * @tc.desc Test setLocalName api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
      */
     it('SUB_COMMUNACATION_bluetooth_SET_LOCAL_NAME_00014', 0, async function (done) {
         await tryToEnableBt();
-        var name = bluetooth.setLocalName(Btname.MIXES7);
+        let name = bluetooth.setLocalName(Btname.MIXES7);
         console.info('[bluetooth_js] setLocalName result14 = '+ JSON.stringify(name));
         expect(name).assertTrue();
-        var localName = bluetooth.getLocalName();
+        let localName = bluetooth.getLocalName();
         expect(true).assertTrue(Btname.MIXES7 == JSON.stringify(localName));
         done();
     })
@@ -746,7 +695,6 @@ describe('bluetoothhostTest', function() {
      * @tc.number SUB_COMMUNACATION_bluetooth_DISABLE_0001
      * @tc.name testdisablebluetooth
      * @tc.desc Test disablebluetooth api.
-     * @tc.author zhangyujie zwx1079266
      * @tc.size MEDIUM
      * @tc.type Function
      * @tc.level Level 2
@@ -757,10 +705,9 @@ describe('bluetoothhostTest', function() {
         let disable = bluetooth.disableBluetooth();
         console.info('[bluetooth_js] disable:' + JSON.stringify(disable));
         expect(disable).assertTrue();
-        var state = bluetooth.getState();
+        let state = bluetooth.getState();
         console.info('[bluetooth_js] bt state:' + JSON.stringify(state));
         done();
     })
 
 })
-