Modify '' in the sample code log output statement to be

Signed-off-by: Njiao_yanlin <jiaoyanlin@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-audio.md

@@ -95,7 +95,7 @@ audio.createAudioRenderer(audioRendererOptions,(err, data) => {
   if (err) {
     console.error(`AudioRenderer Created : Error: ${err.message}`);
   } else {
-    console.info('AudioRenderer Created : Success : SUCCESS');
+    console.info(`AudioRenderer Created: Success: SUCCESS`);
     let audioRenderer = data;
   }
 });
@@ -147,9 +147,9 @@ var audioRendererOptions = {
 var audioRenderer;
 audio.createAudioRenderer(audioRendererOptions).then((data) => {
   audioRenderer = data;
-  console.info('AudioFrameworkRenderLog: AudioRenderer Created : Success : Stream Type: SUCCESS');
+  console.info(`AudioFrameworkRenderLog: AudioRenderer Created : Success : Stream Type: SUCCESS`);
 }).catch((err) => {
-  console.info('AudioFrameworkRenderLog: AudioRenderer Created : ERROR : '+err.message);
+  console.info(`AudioFrameworkRenderLog: AudioRenderer Created : ERROR :` + err.message);
 });
 ```
 
@@ -189,11 +189,11 @@ var audioCapturerOptions = {
   capturerInfo: audioCapturerInfo
 }
 
-audio.createAudioCapturer(audioCapturerOptions,(err, data) => {
+audio.createAudioCapturer(audioCapturerOptions, (err, data) => {
   if (err) {
     console.error(`AudioCapturer Created : Error: ${err.message}`);
   } else {
-    console.info('AudioCapturer Created : Success : SUCCESS');
+    console.info(`AudioCapturer Created : Success : SUCCESS`);
     let audioCapturer = data;
   }
 });
@@ -244,9 +244,9 @@ var audioCapturerOptions = {
 var audioCapturer;
 audio.createAudioCapturer(audioCapturerOptions).then((data) => {
   audioCapturer = data;
-  console.info('AudioCapturer Created : Success : Stream Type: SUCCESS');
+  console.info(`AudioCapturer Created : Success : Stream Type: SUCCESS`);
 }).catch((err) => {
-  console.info('AudioCapturer Created : ERROR : '+err.message);
+  console.info(`AudioCapturer Created : ERROR : ` + err.message);
 });
 ```
 
@@ -696,10 +696,10 @@ setVolume(volumeType: AudioVolumeType, volume: number, callback: AsyncCallback&l
 ```
 audioManager.setVolume(audio.AudioVolumeType.MEDIA, 10, (err) => {
   if (err) {
-    console.error('Failed to set the volume. ${err.message}');
+    console.error(`Failed to set the volume. ${err.message}`);
     return;
   }
-    console.log('Callback invoked to indicate a successful volume setting.');
+  console.log(`Callback invoked to indicate a successful volume setting.`);
 });
 ```
 
@@ -730,7 +730,7 @@ setVolume(volumeType: AudioVolumeType, volume: number): Promise<void>
 
 ```
 audioManager.setVolume(audio.AudioVolumeType.MEDIA, 10).then(() => {
-  console.log('Promise returned to indicate a successful volume setting.');
+  console.log(`Promise returned to indicate a successful volume setting.`);
 });
 ```
 
@@ -754,10 +754,10 @@ getVolume(volumeType: AudioVolumeType, callback: AsyncCallback<number>): v
 ```
 audioManager.getVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
   if (err) {
-    console.error('Failed to obtain the volume. ${err.message}');
+    console.error(`Failed to obtain the volume. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the volume is obtained.');
+  console.log(`Callback invoked to indicate that the volume is obtained.`);
 });
 ```
 
@@ -785,7 +785,7 @@ getVolume(volumeType: AudioVolumeType): Promise<number>
 
 ```
 audioManager.getVolume(audio.AudioVolumeType.MEDIA).then((value) => {
-  console.log('Promise returned to indicate that the volume is obtained.' + value);
+  console.log(`Promise returned to indicate that the volume is obtained.` + value);
 });
 ```
 
@@ -809,10 +809,10 @@ getMinVolume(volumeType: AudioVolumeType, callback: AsyncCallback<number>)
 ```
 audioManager.getMinVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
   if (err) {
-    console.error('Failed to obtain the minimum volume. ${err.message}');
+    console.error(`Failed to obtain the minimum volume. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the minimum volume is obtained.' + value);
+  console.log(`Callback invoked to indicate that the minimum volume is obtained.` + value);
 });
 ```
 
@@ -840,7 +840,7 @@ getMinVolume(volumeType: AudioVolumeType): Promise<number>
 
 ```
 audioManager.getMinVolume(audio.AudioVolumeType.MEDIA).then((value) => {
-  console.log('Promised returned to indicate that the minimum volume is obtained.' + value);
+  console.log(`Promised returned to indicate that the minimum volume is obtained.` + value);
 });
 ```
 
@@ -864,10 +864,10 @@ getMaxVolume(volumeType: AudioVolumeType, callback: AsyncCallback<number>)
 ```
 audioManager.getMaxVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
   if (err) {
-    console.error('Failed to obtain the maximum volume. ${err.message}');
+    console.error(`Failed to obtain the maximum volume. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the maximum volume is obtained.' + value);
+  console.log(`Callback invoked to indicate that the maximum volume is obtained.` + value);
 });
 ```
 
@@ -895,7 +895,7 @@ getMaxVolume(volumeType: AudioVolumeType): Promise<number>
 
 ```
 audioManager.getMaxVolume(audio.AudioVolumeType.MEDIA).then((data) => {
-  console.log('Promised returned to indicate that the maximum volume is obtained.');
+  console.log(`Promised returned to indicate that the maximum volume is obtained.`);
 });
 ```
 
@@ -922,10 +922,10 @@ mute(volumeType: AudioVolumeType, mute: boolean, callback: AsyncCallback<void
 ```
 audioManager.mute(audio.AudioVolumeType.MEDIA, true, (err) => {
   if (err) {
-    console.error('Failed to mute the stream. ${err.message}');
+    console.error(`Failed to mute the stream. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the stream is muted.');
+  console.log(`Callback invoked to indicate that the stream is muted.`);
 });
 ```
 
@@ -957,7 +957,7 @@ mute(volumeType: AudioVolumeType, mute: boolean): Promise<void>
 
 ```
 audioManager.mute(audio.AudioVolumeType.MEDIA, true).then(() => {
-  console.log('Promise returned to indicate that the stream is muted.');
+  console.log(`Promise returned to indicate that the stream is muted.`);
 });
 ```
 
@@ -982,10 +982,10 @@ isMute(volumeType: AudioVolumeType, callback: AsyncCallback<boolean>): voi
 ```
 audioManager.isMute(audio.AudioVolumeType.MEDIA, (err, value) => {
   if (err) {
-    console.error('Failed to obtain the mute status. ${err.message}');
+    console.error(`Failed to obtain the mute status. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the mute status of the stream is obtained.' + value);
+  console.log(`Callback invoked to indicate that the mute status of the stream is obtained.` + value);
 });
 ```
 
@@ -1014,7 +1014,7 @@ isMute(volumeType: AudioVolumeType): Promise<boolean>
 
 ```
 audioManager.isMute(audio.AudioVolumeType.MEDIA).then((value) => {
-  console.log('Promise returned to indicate that the mute status of the stream is obtained.' + value);
+  console.log(`Promise returned to indicate that the mute status of the stream is obtained.` + value);
 });
 ```
 
@@ -1038,10 +1038,10 @@ isActive(volumeType: AudioVolumeType, callback: AsyncCallback<boolean>): v
 ```
 audioManager.isActive(audio.AudioVolumeType.MEDIA, (err, value) => {
   if (err) {
-    console.error('Failed to obtain the active status of the stream. ${err.message}');
+    console.error(`Failed to obtain the active status of the stream. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the active status of the stream is obtained.' + value);
+  console.log(`Callback invoked to indicate that the active status of the stream is obtained.` + value);
 });
 ```
 
@@ -1069,7 +1069,7 @@ isActive(volumeType: AudioVolumeType): Promise<boolean>
 
 ```
 audioManager.isActive(audio.AudioVolumeType.MEDIA).then((value) => {
-  console.log('Promise returned to indicate that the active status of the stream is obtained.' + value);
+  console.log(`Promise returned to indicate that the active status of the stream is obtained.` + value);
 });
 ```
 
@@ -1095,10 +1095,10 @@ setRingerMode(mode: AudioRingMode, callback: AsyncCallback<void>): void
 ```
 audioManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL, (err) => {
   if (err) {
-    console.error('Failed to set the ringer mode.​ ${err.message}');
+    console.error(`Failed to set the ringer mode.​ ${err.message}`);
     return;
   }
-   console.log('Callback invoked to indicate a successful setting of the ringer mode.');
+  console.log(`Callback invoked to indicate a successful setting of the ringer mode.`);
 });
 ```
 
@@ -1128,7 +1128,7 @@ setRingerMode(mode: AudioRingMode): Promise<void>
 
 ```
 audioManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL).then(() => {
-  console.log('Promise returned to indicate a successful setting of the ringer mode.');
+  console.log(`Promise returned to indicate a successful setting of the ringer mode.`);
 });
 ```
 
@@ -1152,10 +1152,10 @@ getRingerMode(callback: AsyncCallback<AudioRingMode>): void
 ```
 audioManager.getRingerMode((err, value) => {
   if (err) {
-    console.error('Failed to obtain the ringer mode.​ ${err.message}');
+    console.error(`Failed to obtain the ringer mode.​ ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the ringer mode is obtained.' + value);
+  console.log(`Callback invoked to indicate that the ringer mode is obtained.` + value);
 });
 ```
 
@@ -1178,7 +1178,7 @@ getRingerMode(): Promise<AudioRingMode>
 
 ```
 audioManager.getRingerMode().then((value) => {
-  console.log('Promise returned to indicate that the ringer mode is obtained.' + value);
+  console.log(`Promise returned to indicate that the ringer mode is obtained.` + value);
 });
 ```
 
@@ -1207,10 +1207,10 @@ setAudioParameter(key: string, value: string, callback: AsyncCallback<void&gt
 ```
 audioManager.setAudioParameter('key_example', 'value_example', (err) => {
   if (err) {
-    console.error('Failed to set the audio parameter. ${err.message}');
+    console.error(`Failed to set the audio parameter. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate a successful setting of the audio parameter.');
+  console.log(`Callback invoked to indicate a successful setting of the audio parameter.`);
 });
 ```
 
@@ -1243,7 +1243,7 @@ setAudioParameter(key: string, value: string): Promise<void>
 
 ```
 audioManager.setAudioParameter('key_example', 'value_example').then(() => {
-  console.log('Promise returned to indicate a successful setting of the audio parameter.');
+  console.log(`Promise returned to indicate a successful setting of the audio parameter.`);
 });
 ```
 
@@ -1269,10 +1269,10 @@ getAudioParameter(key: string, callback: AsyncCallback<string>): void
 ```
 audioManager.getAudioParameter('key_example', (err, value) => {
   if (err) {
-    console.error('Failed to obtain the value of the audio parameter. ${err.message}');
+    console.error(`Failed to obtain the value of the audio parameter. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the value of the audio parameter is obtained.' + value);
+  console.log(`Callback invoked to indicate that the value of the audio parameter is obtained.` + value);
 });
 ```
 
@@ -1302,7 +1302,7 @@ getAudioParameter(key: string): Promise<string>
 
 ```
 audioManager.getAudioParameter('key_example').then((value) => {
-  console.log('Promise returned to indicate that the value of the audio parameter is obtained.' + value);
+  console.log(`Promise returned to indicate that the value of the audio parameter is obtained.` + value);
 });
 ```
 
@@ -1325,10 +1325,10 @@ getDevices(deviceFlag: DeviceFlag, callback: AsyncCallback<AudioDeviceDescrip
 ```
 audioManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (err, value) => {
   if (err) {
-    console.error('Failed to obtain the device list. ${err.message}');
+    console.error(`Failed to obtain the device list. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the device list is obtained.');
+  console.log(`Callback invoked to indicate that the device list is obtained.`);
 });
 ```
 
@@ -1356,7 +1356,7 @@ getDevices(deviceFlag: DeviceFlag): Promise<AudioDeviceDescriptors>
 
 ```
 audioManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data) => {
-  console.log('Promise returned to indicate that the device list is obtained.');
+  console.log(`Promise returned to indicate that the device list is obtained.`);
 });
 ```
 
@@ -1381,10 +1381,10 @@ setDeviceActive(deviceType: ActiveDeviceType, active: boolean, callback: AsyncCa
 ```
 audioManager.setDeviceActive(audio.ActiveDeviceType.SPEAKER, true, (err) => {
   if (err) {
-    console.error('Failed to set the active status of the device. ${err.message}');
+    console.error(`Failed to set the active status of the device. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the device is set to the active status.');
+  console.log(`Callback invoked to indicate that the device is set to the active status.`);
 });
 ```
 
@@ -1414,7 +1414,7 @@ setDeviceActive(deviceType: ActiveDeviceType, active: boolean): Promise<void&
 
 ```
 audioManager.setDeviceActive(audio.ActiveDeviceType.SPEAKER, true).then(() => {
-  console.log('Promise returned to indicate that the device is set to the active status.');
+  console.log(`Promise returned to indicate that the device is set to the active status.`);
 });
 ```
 
@@ -1438,10 +1438,10 @@ isDeviceActive(deviceType: ActiveDeviceType, callback: AsyncCallback<boolean&
 ```
 audioManager.isDeviceActive(audio.ActiveDeviceType.SPEAKER, (err, value) => {
   if (err) {
-    console.error('Failed to obtain the active status of the device. ${err.message}');
+    console.error(`Failed to obtain the active status of the device. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the active status of the device is obtained.');
+  console.log(`Callback invoked to indicate that the active status of the device is obtained.`);
 });
 ```
 
@@ -1470,7 +1470,7 @@ isDeviceActive(deviceType: ActiveDeviceType): Promise<boolean>
 
 ```
 audioManager.isDeviceActive(audio.ActiveDeviceType.SPEAKER).then((value) => {
-  console.log('Promise returned to indicate that the active status of the device is obtained.' + value);
+  console.log(`Promise returned to indicate that the active status of the device is obtained.` + value);
 });
 ```
 
@@ -1496,10 +1496,10 @@ setMicrophoneMute(mute: boolean, callback: AsyncCallback<void>): void
 ```
 audioManager.setMicrophoneMute(true, (err) => {
   if (err) {
-    console.error('Failed to mute the microphone. ${err.message}');
+    console.error(`Failed to mute the microphone. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the microphone is muted.');
+  console.log(`Callback invoked to indicate that the microphone is muted.`);
 });
 ```
 
@@ -1529,7 +1529,7 @@ setMicrophoneMute(mute: boolean): Promise<void>
 
 ```
 audioManager.setMicrophoneMute(true).then(() => {
-  console.log('Promise returned to indicate that the microphone is muted.');
+  console.log(`Promise returned to indicate that the microphone is muted.`);
 });
 ```
 
@@ -1554,10 +1554,10 @@ isMicrophoneMute(callback: AsyncCallback<boolean>): void
 ```
 audioManager.isMicrophoneMute((err, value) => {
   if (err) {
-    console.error('Failed to obtain the mute status of the microphone. ${err.message}');
+    console.error(`Failed to obtain the mute status of the microphone. ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the mute status of the microphone is obtained.' + value);
+  console.log(`Callback invoked to indicate that the mute status of the microphone is obtained.` + value);
 });
 ```
 
@@ -1582,7 +1582,7 @@ isMicrophoneMute(): Promise<boolean>
 
 ```
 audioManager.isMicrophoneMute().then((value) => {
-  console.log('Promise returned to indicate that the mute status of the microphone is obtained.', + value);
+  console.log(`Promise returned to indicate that the mute status of the microphone is obtained.`, + value);
 });
 ```
 
@@ -1609,9 +1609,9 @@ on(type: 'volumeChange', callback: Callback\<VolumeEvent>): void
 
 ```
 audioManager.on('volumeChange', (volumeEvent) => {
-  console.log('VolumeType of stream: ' + volumeEvent.volumeType);
-  console.log('Volume level: ' + volumeEvent.volume);
-  console.log('Whether to updateUI: ' + volumeEvent.updateUi);
+  console.log(`VolumeType of stream: ` + volumeEvent.volumeType);
+  console.log(`Volume level: ` + volumeEvent.volume);
+  console.log(`Whether to updateUI: ` + volumeEvent.updateUi);
 });
 ```
 
@@ -1636,7 +1636,7 @@ on(type: 'ringerModeChange', callback: Callback\<AudioRingMode>): void
 
 ```
 audioManager.on('ringerModeChange', (ringerMode) => {
-  console.log('Updated ringermode: ' + ringerMode);
+  console.log(`Updated ringermode: ` + ringerMode);
 });
 ```
 
@@ -1659,10 +1659,10 @@ on(type: 'deviceChange', callback: Callback<DeviceChangeAction\>): void
 
 ```
 audioManager.on('deviceChange', (deviceChanged) => {
-  console.info("device change type : " + deviceChanged.type);
-  console.info("device descriptor size : " + deviceChanged.deviceDescriptors.length);
-  console.info("device change descriptor : " + deviceChanged.deviceDescriptors[0].deviceRole);
-  console.info("device change descriptor : " + deviceChanged.deviceDescriptors[0].deviceType);
+  console.info(`device change type : ` + deviceChanged.type);
+  console.info(`device descriptor size : ` + deviceChanged.deviceDescriptors.length);
+  console.info(`device change descriptor : ` + deviceChanged.deviceDescriptors[0].deviceRole);
+  console.info(`device change descriptor : ` + deviceChanged.deviceDescriptors[0].deviceType);
 });
 ```
 
@@ -1685,7 +1685,7 @@ off(type: 'deviceChange', callback?: Callback<DeviceChangeAction\>): void
 
 ```
 audioManager.off('deviceChange', (deviceChanged) => {
-  console.log("Should be no callback.");
+  console.log(`Should be no callback.`);
 });
 ```
 
@@ -1715,12 +1715,12 @@ var interAudioInterrupt = {
 };
 audioManager.on('interrupt', interAudioInterrupt, (InterruptAction) => {
   if (InterruptAction.actionType === 0) {
-    console.log("An event to gain the audio focus starts.");
-    console.log("Focus gain event:" + JSON.stringify(InterruptAction));
+    console.log(`An event to gain the audio focus starts.`);
+    console.log(`Focus gain event:` + JSON.stringify(InterruptAction));
   }
   if (InterruptAction.actionType === 1) {
-    console.log("An audio interruption event starts.");
-    console.log("Audio interruption event:" + JSON.stringify(InterruptAction));
+    console.log(`An audio interruption event starts.`);
+    console.log(`Audio interruption event:` + JSON.stringify(InterruptAction));
   }
 });
 ```
@@ -1751,8 +1751,8 @@ var interAudioInterrupt = {
 };
 audioManager.off('interrupt', interAudioInterrupt, (InterruptAction) => {
   if (InterruptAction.actionType === 0) {
-    console.log("An event to release the audio focus starts.");
-    console.log("Focus release event:" + JSON.stringify(InterruptAction));
+      console.log(`An event to release the audio focus starts.`);
+      console.log(`Focus release event:` + JSON.stringify(InterruptAction));
   }
 });
 ```
@@ -1779,10 +1779,10 @@ setAudioScene\(scene: AudioScene, callback: AsyncCallback<void\>\): void
 ```
 audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL, (err) => {
   if (err) {
-    console.error('Failed to set the audio scene mode.​ ${err.message}');
+    console.error(`Failed to set the audio scene mode.​ ${err.message}`);
     return;
   }
-   console.log('Callback invoked to indicate a successful setting of the audio scene mode.');
+  console.log(`Callback invoked to indicate a successful setting of the audio scene mode.`);
 });
 ```
 
@@ -1812,9 +1812,9 @@ setAudioScene\(scene: AudioScene\): Promise<void\>
 
 ```
 audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL).then(() => {
-  console.log('Promise returned to indicate a successful setting of the audio scene mode.');
+  console.log(`Promise returned to indicate a successful setting of the audio scene mode.`);
 }).catch ((err) => {
-  console.log('Failed to set the audio scene mode');
+  console.log(`Failed to set the audio scene mode`);
 });
 ```
 
@@ -1837,10 +1837,10 @@ getAudioScene\(callback: AsyncCallback<AudioScene\>\): void
 ```
 audioManager.getAudioScene((err, value) => {
   if (err) {
-    console.error('Failed to obtain the audio scene mode.​ ${err.message}');
+    console.error(`Failed to obtain the audio scene mode.​ ${err.message}`);
     return;
   }
-  console.log('Callback invoked to indicate that the audio scene mode is obtained.' + value);
+  console.log(`Callback invoked to indicate that the audio scene mode is obtained.` + value);
 });
 ```
 
@@ -1863,9 +1863,9 @@ getAudioScene\(\): Promise<AudioScene\>
 
 ```
 audioManager.getAudioScene().then((value) => {
-  console.log('Promise returned to indicate that the audio scene mode is obtained.' + value);
+  console.log(`Promise returned to indicate that the audio scene mode is obtained.` + value);
 }).catch ((err) => {
-  console.log('Failed to obtain the audio scene mode');
+  console.log(`Failed to obtain the audio scene mode`);
 });
 ```
 
@@ -1890,30 +1890,30 @@ getCurrentAudioRendererInfoArray(callback: AsyncCallback&lt;AudioRendererChangeI
 **示例：**
 ```
 audioStreamManager.getCurrentAudioRendererInfoArray(async (err, AudioRendererChangeInfoArray) => {
-  console.info('getCurrentAudioRendererInfoArray **** Get Callback Called ****');
+  console.info(`getCurrentAudioRendererInfoArray **** Get Callback Called ****`);
   if (err) {
-    console.log('getCurrentAudioRendererInfoArray :ERROR: '+ err.message);
+    console.log(`getCurrentAudioRendererInfoArray :ERROR: `+ err.message);
     resultFlag = false;
   } else {
     if (AudioRendererChangeInfoArray != null) {
       for (let i = 0; i < AudioRendererChangeInfoArray.length; i++) {
         AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
-        console.info('StreamId for' + i + 'is:' + AudioRendererChangeInfo.streamId);
-        console.info('ClientUid for' + i + 'is:' + AudioRendererChangeInfo.clientUid);
-        console.info('Content' + i + 'is:' + AudioRendererChangeInfo.rendererInfo.content);
-        console.info('Stream'+ i + 'is:' + AudioRendererChangeInfo.rendererInfo.usage);
-        console.info('Flag'+ i +' is:' + AudioRendererChangeInfo.rendererInfo.rendererFlags); 
-        console.info('State for' + i +' is:' + AudioRendererChangeInfo.rendererState);  
+        console.info(`StreamId for` + i + `is:` + AudioRendererChangeInfo.streamId);
+        console.info(`ClientUid for` + i + `is:` + AudioRendererChangeInfo.clientUid);
+        console.info(`Content` + i + `is:` + AudioRendererChangeInfo.rendererInfo.content);
+        console.info(`Stream`+ i + `is:` + AudioRendererChangeInfo.rendererInfo.usage);
+        console.info(`Flag`+ i + `is:` + AudioRendererChangeInfo.rendererInfo.rendererFlags); 
+        console.info(`State for` + i + `is:` + AudioRendererChangeInfo.rendererState);  
         var devDescriptor = AudioRendererChangeInfo.deviceDescriptors;
         for (let j = 0;j < AudioRendererChangeInfo.deviceDescriptors.length; j++) {
-          console.info('Id:' + i +':' + AudioRendererChangeInfo.deviceDescriptors[j].id);
-          console.info('Type:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].deviceType);
-          console.info('Role:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].deviceRole);
-          console.info('Name:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].name);
-          console.info('Address:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].address);
-          console.info('SampleRates:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].sampleRates[0]);
-          console.info('ChannelCount' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].channelCounts[0]);
-          console.info('ChannelMask:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].channelMasks);
+          console.info(`Id:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].id);
+          console.info(`Type:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].deviceType);
+          console.info(`Role:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].deviceRole);
+          console.info(`Name:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].name);
+          console.info(`Address:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].address);
+          console.info(`SampleRates:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].sampleRates[0]);
+          console.info(`ChannelCount` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].channelCounts[0]);
+          console.info(`ChannelMask:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].channelMasks);
         }
       }
     }
@@ -1938,31 +1938,31 @@ getCurrentAudioRendererInfoArray(): Promise&lt;AudioRendererChangeInfoArray&gt;
 **示例：**
 ```
 await audioStreamManager.getCurrentAudioRendererInfoArray().then( function (AudioRendererChangeInfoArray) {
-  console.info('getCurrentAudioRendererInfoArray ######### Get Promise is called ##########');
+  console.info(`getCurrentAudioRendererInfoArray ######### Get Promise is called ##########`);
   if (AudioRendererChangeInfoArray != null) {
     for (let i = 0; i < AudioRendererChangeInfoArray.length; i++) {
       AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
-      console.info('StreamId for ' + i +' is:' + AudioRendererChangeInfo.streamId);
-      console.info('ClientUid for ' + i + ' is:' + AudioRendererChangeInfo.clientUid);
-      console.info('Content ' + i + ' is:' + AudioRendererChangeInfo.rendererInfo.content);
-      console.info('Stream' + i +' is:' + AudioRendererChangeInfo.rendererInfo.usage);
-      console.info('Flag' + i + ' is:' + AudioRendererChangeInfo.rendererInfo.rendererFlags); 
-      console.info('State for ' + i + ' is:' + AudioRendererChangeInfo.rendererState);  
+      console.info(`StreamId for` + i + ` is:` + AudioRendererChangeInfo.streamId);
+      console.info(`ClientUid for` + i + ` is:` + AudioRendererChangeInfo.clientUid);
+      console.info(`Content` + i + ` is:` + AudioRendererChangeInfo.rendererInfo.content);
+      console.info(`Stream` + i + ` is:` + AudioRendererChangeInfo.rendererInfo.usage);
+      console.info(`Flag` + i + ` is:` + AudioRendererChangeInfo.rendererInfo.rendererFlags); 
+      console.info(`State for` + i + ` is:` + AudioRendererChangeInfo.rendererState);  
       var devDescriptor = AudioRendererChangeInfo.deviceDescriptors;
       for (let j = 0; j < AudioRendererChangeInfo.deviceDescriptors.length; j++) {
-        console.info('Id:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].id);
-        console.info('Type:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].deviceType);
-        console.info('Role:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].deviceRole);
-        console.info('Name:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].name);
-        console.info('Address:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].address);
-        console.info('SampleRates:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].sampleRates[0]);
-        console.info('ChannelCounts' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].channelCounts[0]);
-        console.info('ChannnelMask:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].channelMasks);
+        console.info(`Id:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].id);
+        console.info(`Type:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].deviceType);
+        console.info(`Role:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].deviceRole);
+        console.info(`Name:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].name);
+        console.info(`Address:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].address);
+        console.info(`SampleRates:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].sampleRates[0]);
+        console.info(`ChannelCounts` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].channelCounts[0]);
+        console.info(`ChannnelMask:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].channelMasks);
       }
     }
   }
 }).catch((err) => {
-  console.log('getCurrentAudioRendererInfoArray :ERROR: ' + err.message);
+  console.log(`getCurrentAudioRendererInfoArray :ERROR: ` + err.message);
 });
 ```
 
@@ -1983,27 +1983,27 @@ getCurrentAudioCapturerInfoArray(callback: AsyncCallback&lt;AudioCapturerChangeI
 **示例：**
 ```
 audioStreamManager.getCurrentAudioCapturerInfoArray(async (err, AudioCapturerChangeInfoArray) => {
-  console.info('getCurrentAudioCapturerInfoArray **** Get Callback Called ****');
+  console.info(`getCurrentAudioCapturerInfoArray **** Get Callback Called ****`);
   if (err) {
-    console.log('getCurrentAudioCapturerInfoArray :ERROR: '+err.message);
+    console.log(`getCurrentAudioCapturerInfoArray :ERROR: ` + err.message);
   } else {
     if (AudioCapturerChangeInfoArray != null) {
       for (let i = 0; i < AudioCapturerChangeInfoArray.length; i++) {
-        console.info('StreamId for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].streamId);
-        console.info('ClientUid for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].clientUid);
-        console.info('Source for '+ i + 'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.source);
-        console.info('Flag ' + i +'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
-        console.info('State for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerState);  
+        console.info(`StreamId for ` + i + `is:` + AudioCapturerChangeInfoArray[i].streamId);
+        console.info(`ClientUid for ` + i + `is:` + AudioCapturerChangeInfoArray[i].clientUid);
+        console.info(`Source for `+ i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.source);
+        console.info(`Flag ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
+        console.info(`State for ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerState);  
         var devDescriptor = AudioCapturerChangeInfoArray[i].deviceDescriptors;
         for (let j = 0; j < AudioCapturerChangeInfoArray[i].deviceDescriptors.length; j++) {
-          console.info('Id:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
-          console.info('Type:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
-          console.info('Role:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
-          console.info('Name:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name);
-          console.info('Address:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
-          console.info('SampleRates:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
-          console.info('ChannelCounts' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
-          console.info('ChannelMask:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
+          console.info(`Id:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
+          console.info(`Type:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
+          console.info(`Role:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
+          console.info(`Name:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name);
+          console.info(`Address:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
+          console.info(`SampleRates:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
+          console.info(`ChannelCounts` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
+          console.info(`ChannelMask:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
         }
       }
     }
@@ -2028,29 +2028,29 @@ getCurrentAudioCapturerInfoArray(): Promise&lt;AudioCapturerChangeInfoArray&gt;
 **示例：**
 ```
 await audioStreamManager.getCurrentAudioCapturerInfoArray().then( function (AudioCapturerChangeInfoArray) {
-  console.info('getCurrentAudioCapturerInfoArray **** Get Promise Called ****');
+  console.info(`getCurrentAudioCapturerInfoArray **** Get Promise Called ****`);
   if (AudioCapturerChangeInfoArray != null) {
     for (let i = 0; i < AudioCapturerChangeInfoArray.length; i++) {
-      console.info('StreamId for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].streamId);
-      console.info('ClientUid for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].clientUid);
-      console.info('Source for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.source);
-      console.info('Flag ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
-      console.info('State for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerState);  
+      console.info(`StreamId for ` + i + `is:` + AudioCapturerChangeInfoArray[i].streamId);
+      console.info(`ClientUid for ` + i + `is:` + AudioCapturerChangeInfoArray[i].clientUid);
+      console.info(`Source for ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.source);
+      console.info(`Flag ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
+      console.info(`State for ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerState);  
       var devDescriptor = AudioCapturerChangeInfoArray[i].deviceDescriptors;
       for (let j = 0; j < AudioCapturerChangeInfoArray[i].deviceDescriptors.length; j++) {
-        console.info('Id:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
-        console.info('Type:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
-        console.info('Role:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
-        console.info('Name:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name)
-        console.info('Address:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
-        console.info('SampleRates:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
-        console.info('ChannelCounts' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
-        console.info('ChannelMask:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
+        console.info(`Id:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
+        console.info(`Type:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
+        console.info(`Role:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
+        console.info(`Name:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name)
+        console.info(`Address:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
+        console.info(`SampleRates:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
+        console.info(`ChannelCounts` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
+        console.info(`ChannelMask:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
       }
     }
   }
 }).catch((err) => {
-  console.log('getCurrentAudioCapturerInfoArray :ERROR: ' + err.message);
+  console.log(`getCurrentAudioCapturerInfoArray :ERROR: ` + err.message);
 });
 ```
 
@@ -2074,23 +2074,23 @@ on(type: "audioRendererChange", callback: Callback&lt;AudioRendererChangeInfoArr
 audioStreamManager.on('audioRendererChange',  (AudioRendererChangeInfoArray) => {
   for (let i = 0; i < AudioRendererChangeInfoArray.length; i++) {
     AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
-    console.info('## RendererChange on is called for ' + i + ' ##');
-    console.info('StreamId for ' + i + ' is:' + AudioRendererChangeInfo.streamId);
-    console.info('ClientUid for ' + i + ' is:' + AudioRendererChangeInfo.clientUid);
-    console.info('Content for ' + i + ' is:' + AudioRendererChangeInfo.rendererInfo.content);
-    console.info('Stream for ' + i + ' is:' + AudioRendererChangeInfo.rendererInfo.usage);
-    console.info('Flag ' + i + ' is:' + AudioRendererChangeInfo.rendererInfo.rendererFlags);
-    console.info('State for ' + i + ' is:' + AudioRendererChangeInfo.rendererState);  
+    console.info(`## RendererChange on is called for ` + i + ` ##`);
+    console.info(`StreamId for ` + i + ` is:` + AudioRendererChangeInfo.streamId);
+    console.info(`ClientUid for ` + i + ` is:` + AudioRendererChangeInfo.clientUid);
+    console.info(`Content for ` + i + ` is:` + AudioRendererChangeInfo.rendererInfo.content);
+    console.info(`Stream for ` + i + ` is:` + AudioRendererChangeInfo.rendererInfo.usage);
+    console.info(`Flag ` + i + ` is:` + AudioRendererChangeInfo.rendererInfo.rendererFlags);
+    console.info(`State for ` + i + ` is:` + AudioRendererChangeInfo.rendererState);  
     var devDescriptor = AudioRendererChangeInfo.deviceDescriptors;
     for (let j = 0; j < AudioRendererChangeInfo.deviceDescriptors.length; j++) {
-      console.info('Id:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].id);
-      console.info('Type:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].deviceType);
-      console.info('Role:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].deviceRole);
-      console.info('Name:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].name);
-      console.info('Address:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].address);
-      console.info('SampleRates:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].sampleRates[0]);
-      console.info('ChannelCounts' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].channelCounts[0]);
-      console.info('ChannelMask:' + i + ':' + AudioRendererChangeInfo.deviceDescriptors[j].channelMasks);
+      console.info(`Id:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].id);
+      console.info(`Type:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].deviceType);
+      console.info(`Role:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].deviceRole);
+      console.info(`Name:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].name);
+      console.info(`Address:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].address);
+      console.info(`SampleRates:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].sampleRates[0]);
+      console.info(`ChannelCounts` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].channelCounts[0]);
+      console.info(`ChannelMask:` + i + `:` + AudioRendererChangeInfo.deviceDescriptors[j].channelMasks);
     }
   }
 });
@@ -2113,7 +2113,7 @@ off(type: "audioRendererChange");
 **示例：**
 ```
 audioStreamManager.off('audioRendererChange');
-console.info('######### RendererChange Off is called #########');
+console.info(`######### RendererChange Off is called #########`);
 ```
 
 ### on('audioCapturerChange')<sup>9+</sup>
@@ -2135,21 +2135,21 @@ on(type: "audioCapturerChange", callback: Callback&lt;AudioCapturerChangeInfoArr
 ```
 audioStreamManager.on('audioCapturerChange', (AudioCapturerChangeInfoArray) =>  {
   for (let i = 0; i < AudioCapturerChangeInfoArray.length; i++) {
-    console.info(' ## CapChange on is called for element ' + i + ' ##');
-    console.info('StreamId for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].streamId);
-    console.info('ClientUid for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].clientUid);
-    console.info('Source for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.source);
-    console.info('Flag ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
-    console.info('State for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerState);  
+    console.info(` ## CapChange on is called for element ' + i + ' ##');
+    console.info(`StreamId for ` + i + `is:` + AudioCapturerChangeInfoArray[i].streamId);
+    console.info(`ClientUid for ` + i + `is:` + AudioCapturerChangeInfoArray[i].clientUid);
+    console.info(`Source for ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.source);
+    console.info(`Flag ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
+    console.info(`State for ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerState);  
     for (let j = 0; j < AudioCapturerChangeInfoArray[i].deviceDescriptors.length; j++) {
-      console.info('Id:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
-      console.info('Type:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
-      console.info('Role:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
-      console.info('Name:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name);
-      console.info('Address:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
-      console.info('SampleRates:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
-      console.info('ChannelCounts' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
-      console.info('ChannelMask:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
+      console.info(`Id:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
+      console.info(`Type:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
+      console.info(`Role:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
+      console.info(`Name:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name);
+      console.info(`Address:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
+      console.info(`SampleRates:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
+      console.info(`ChannelCounts` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
+      console.info(`ChannelMask:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
     }
   }
 });
@@ -2172,7 +2172,7 @@ off(type: "audioCapturerChange");
 **示例：**
 ```
 audioStreamManager.off('audioCapturerChange');
-console.info('######### CapturerChange Off is called #########');
+console.info(`######### CapturerChange Off is called #########`);
 
 ```
 
@@ -2207,43 +2207,43 @@ var resultFlag = false;
 
 await audioManager.getStreamManager().then(async function (data) {
   audioStreamManager = data;
-  console.info(Tag + 'Get AudioStream Manager : Success ');
+  console.info(Tag + `Get AudioStream Manager : Success `);
 }).catch((err) => {
-  console.info(Tag + 'Get AudioStream Manager : ERROR : ' + err.message);
+  console.info(Tag + `Get AudioStream Manager : ERROR : ` + err.message);
 });
 
 audioManager.getStreamManager((err, data) => {
   if (err) {
-    console.error(Tag + 'Get AudioStream Manager : ERROR : ' + err.message);
+    console.error(Tag + `Get AudioStream Manager : ERROR : ` + err.message);
   } else {
     audioStreamManagerCB = data;
-    console.info(Tag + 'Get AudioStream Manager : Success ');
+    console.info(Tag + `Get AudioStream Manager : Success `);
   }
 });
 
 audioStreamManagerCB.on('audioRendererChange',  (AudioRendererChangeInfoArray) => {
   for (let i = 0; i < AudioRendererChangeInfoArray.length; i++) {
-    console.info(Tag+'## RendererChange on is called for ' + i + ' ##');
-    console.info(Tag+'StreamId for ' + i + 'is:' + AudioRendererChangeInfoArray[i].streamId);
-    console.info(Tag+'ClientUid for ' + i + 'is:' + AudioRendererChangeInfoArray[i].clientUid);
-    console.info(Tag+'Content for ' + i + 'is:' + AudioRendererChangeInfoArray[i].rendererInfo.content);
-    console.info(Tag+'Stream for ' + i + 'is:' + AudioRendererChangeInfoArray[i].rendererInfo.usage);
-    console.info(Tag+'Flag ' + i + 'is:' + AudioRendererChangeInfoArray[i].rendererInfo.rendererFlags);
-    console.info(Tag+'State for ' + i + 'is:' + AudioRendererChangeInfoArray[i].rendererState);
+    console.info(Tag + `## RendererChange on is called for ` + i + ` ##`);
+    console.info(Tag + `StreamId for ` + i + `is:` + AudioRendererChangeInfoArray[i].streamId);
+    console.info(Tag + `ClientUid for ` + i + `is:` + AudioRendererChangeInfoArray[i].clientUid);
+    console.info(Tag + `Content for ` + i + `is:` + AudioRendererChangeInfoArray[i].rendererInfo.content);
+    console.info(Tag + `Stream for ` + i + `is:` + AudioRendererChangeInfoArray[i].rendererInfo.usage);
+    console.info(Tag + `Flag ` + i + `is:` + AudioRendererChangeInfoArray[i].rendererInfo.rendererFlags);
+    console.info(Tag + `State for ` + i + `is:` + AudioRendererChangeInfoArray[i].rendererState);
   	var devDescriptor = AudioRendererChangeInfoArray[i].deviceDescriptors;
   	for (let j = 0; j < AudioRendererChangeInfoArray[i].deviceDescriptors.length; j++) {
-  	  console.info(Tag+'Id:' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].id);
-  	  console.info(Tag+'Type:' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceType);
-  	  console.info(Tag+'Role:' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceRole);
-  	  console.info(Tag+'Name:' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].name);
-  	  console.info(Tag+'Addr:' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].address);
-  	  console.info(Tag+'SR:' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
-  	  console.info(Tag+'C' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
-  	  console.info(Tag+'CM:' + i + ':' + AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelMasks);
+  	  console.info(Tag + `Id:` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].id);
+  	  console.info(Tag + `Type:` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceType);
+  	  console.info(Tag + `Role:` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceRole);
+  	  console.info(Tag + `Name:` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].name);
+  	  console.info(Tag + `Addr:` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].address);
+  	  console.info(Tag + `SR:` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
+  	  console.info(Tag + `C` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
+  	  console.info(Tag + `CM:` + i + `:` + AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelMasks);
   	}
     if (AudioRendererChangeInfoArray[i].rendererState == 1 && devDescriptor != null) {
       resultFlag = true;
-      console.info(Tag + 'ResultFlag for '+ i +' is:'+ resultFlag);
+      console.info(Tag + `ResultFlag for ` + i + ` is:` + resultFlag);
     }
   }
 });
@@ -2278,26 +2278,26 @@ var Tag = "AFCapLog : ";
 var resultFlag = false;
 audioStreamManager.on('audioCapturerChange', (AudioCapturerChangeInfoArray) =>  {
   for (let i = 0; i < AudioCapturerChangeInfoArray.length; i++) {
-    console.info(Tag + ' ## CapChange on is called for element ' + i + ' ##');
-    console.info(Tag + 'StrId for ' + i +'is:' + AudioCapturerChangeInfoArray[i].streamId);
-    console.info(Tag + 'CUid for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].clientUid);
-    console.info(Tag + 'Src for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.source);
-    console.info(Tag + 'Flag ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
-    console.info(Tag + 'State for ' + i + 'is:' + AudioCapturerChangeInfoArray[i].capturerState);
+    console.info(Tag + ` ## CapChange on is called for element ' + i + ' ##');
+    console.info(Tag + `StrId for ` + i + `is:` + AudioCapturerChangeInfoArray[i].streamId);
+    console.info(Tag + `CUid for ` + i + `is:` + AudioCapturerChangeInfoArray[i].clientUid);
+    console.info(Tag + `Src for ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.source);
+    console.info(Tag + `Flag ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags);
+    console.info(Tag + `State for ` + i + `is:` + AudioCapturerChangeInfoArray[i].capturerState);
     var devDescriptor = AudioCapturerChangeInfoArray[i].deviceDescriptors;
     for (let j = 0; j < AudioCapturerChangeInfoArray[i].deviceDescriptors.length; j++) {
-      console.info(Tag + 'Id:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
-      console.info(Tag + 'Type:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
-      console.info(Tag + 'Role:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
-      console.info(Tag + 'Name:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name);
-      console.info(Tag + 'Addr:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
-      console.info(Tag + 'SR:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
-      console.info(Tag + 'C' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
-      console.info(Tag + 'CM:' + i + ':' + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
+      console.info(Tag + `Id:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id);
+      console.info(Tag + `Type:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType);
+      console.info(Tag + `Role:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceRole);
+      console.info(Tag + `Name:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].name);
+      console.info(Tag + `Addr:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address);
+      console.info(Tag + `SR:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]);
+      console.info(Tag + `C` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]);
+      console.info(Tag + `CM:` + i + `:` + AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelMasks);
     }
     if (AudioCapturerChangeInfoArray[i].capturerState == 1 && devDescriptor != null) {
       resultFlag = true;
-      console.info(Tag + 'ResultFlag for element ' + i + ' is: ' + resultFlag);
+      console.info(Tag + `ResultFlag for element ` + i + ` is: ` + resultFlag);
       }
   }
 });
@@ -2338,12 +2338,12 @@ var deviceRoleValue = null;
 var deviceTypeValue = null;
 const promise = audio.getAudioManager().getDevices(1);
 promise.then(function (value) {
-  console.info('AudioFrameworkTest: Promise: getDevices OUTPUT_DEVICES_FLAG');
+  console.info(`AudioFrameworkTest: Promise: getDevices OUTPUT_DEVICES_FLAG`);
   value.forEach(displayDeviceProp);
   if (deviceTypeValue != null && deviceRoleValue != null){
-    console.info('AudioFrameworkTest: Promise: getDevices : OUTPUT_DEVICES_FLAG :  PASS');
+    console.info(`AudioFrameworkTest: Promise: getDevices : OUTPUT_DEVICES_FLAG :  PASS`);
   } else {
-    console.info('AudioFrameworkTest: Promise: getDevices : OUTPUT_DEVICES_FLAG :  FAIL');
+    console.info(`AudioFrameworkTest: Promise: getDevices : OUTPUT_DEVICES_FLAG :  FAIL`);
   }
 });
 ```
@@ -2384,10 +2384,10 @@ getRendererInfo(callback: AsyncCallback<AudioRendererInfo\>): void
 
 ```
 audioRenderer.getRendererInfo((err, rendererInfo) => {
-  console.log('Renderer GetRendererInfo:');
-  console.log('Renderer content:' + rendererInfo.content);
-  console.log('Renderer usage:' + rendererInfo.usage);
-  console.log('Renderer flags:' + rendererInfo.rendererFlags);
+  console.log(`Renderer GetRendererInfo:`);
+  console.log(`Renderer content:` + rendererInfo.content);
+  console.log(`Renderer usage:` + rendererInfo.usage);
+  console.log(`Renderer flags:` + rendererInfo.rendererFlags);
 });
 ```
 
@@ -2410,12 +2410,12 @@ getRendererInfo(): Promise<AudioRendererInfo\>
 ```
 var resultFlag = true;
 audioRenderer.getRendererInfo().then((rendererInfo) => {
-  console.log('Renderer GetRendererInfo:');
-  console.log('Renderer content:' + rendererInfo.content);
-  console.log('Renderer usage:' + rendererInfo.usage);
-  console.log('Renderer flags:' + rendererInfo.rendererFlags);
+  console.log(`Renderer GetRendererInfo:`);
+  console.log(`Renderer content:` + rendererInfo.content);
+  console.log(`Renderer usage:` + rendererInfo.usage);
+  console.log(`Renderer flags:` + rendererInfo.rendererFlags);
 }).catch((err) => {
-  console.log('AudioFrameworkRenderLog: RendererInfo :ERROR: '+err.message);
+  console.log(`AudioFrameworkRenderLog: RendererInfo :ERROR: ` + err.message);
   resultFlag = false;
 });
 ```
@@ -2438,11 +2438,11 @@ getStreamInfo(callback: AsyncCallback<AudioStreamInfo\>): void
 
 ```
 audioRenderer.getStreamInfo((err, streamInfo) => {
-  console.log('Renderer GetStreamInfo:');
-  console.log('Renderer sampling rate:' + streamInfo.samplingRate);
-  console.log('Renderer channel:' + streamInfo.channels);
-  console.log('Renderer format:' + streamInfo.sampleFormat);
-  console.log('Renderer encoding type:' + streamInfo.encodingType);
+  console.log(`Renderer GetStreamInfo:`);
+  console.log(`Renderer sampling rate:` + streamInfo.samplingRate);
+  console.log(`Renderer channel:` + streamInfo.channels);
+  console.log(`Renderer format:` + streamInfo.sampleFormat);
+  console.log(`Renderer encoding type:` + streamInfo.encodingType);
 });
 ```
 
@@ -2464,13 +2464,13 @@ getStreamInfo(): Promise<AudioStreamInfo\>
 
 ```
 audioRenderer.getStreamInfo().then((streamInfo) => {
-  console.log('Renderer GetStreamInfo:');
-  console.log('Renderer sampling rate:' + streamInfo.samplingRate);
-  console.log('Renderer channel:' + streamInfo.channels);
-  console.log('Renderer format:' + streamInfo.sampleFormat);
-  console.log('Renderer encoding type:' + streamInfo.encodingType);
+  console.log(`Renderer GetStreamInfo:`);
+  console.log(`Renderer sampling rate:` + streamInfo.samplingRate);
+  console.log(`Renderer channel:` + streamInfo.channels);
+  console.log(`Renderer format:` + streamInfo.sampleFormat);
+  console.log(`Renderer encoding type:` + streamInfo.encodingType);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2493,9 +2493,9 @@ start(callback: AsyncCallback<void\>): void
 ```
 audioRenderer.start((err) => {
   if (err) {
-    console.error('Renderer start failed.');
+    console.error(`Renderer start failed.`);
   } else {
-    console.info('Renderer start success.');
+    console.info(`Renderer start success.`);
   }
 });
 ```
@@ -2518,9 +2518,9 @@ start(): Promise<void\>
 
 ```
 audioRenderer.start().then(() => {
-  console.log('Renderer started');
+  console.log(`Renderer started`);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2543,9 +2543,9 @@ pause(callback: AsyncCallback\<void>): void
 ```
 audioRenderer.pause((err) => {
   if (err) {
-    console.error('Renderer pause failed');
+    console.error(`Renderer pause failed`);
   } else {
-    console.log('Renderer paused.');
+    console.log(`Renderer paused.`);
   }
 });
 ```
@@ -2568,9 +2568,9 @@ pause(): Promise\<void>
 
 ```
 audioRenderer.pause().then(() => {
-  console.log('Renderer paused');
+  console.log(`Renderer paused`);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2593,9 +2593,9 @@ drain(callback: AsyncCallback\<void>): void
 ```
 audioRenderer.drain((err) => {
   if (err) {
-    console.error('Renderer drain failed');
+    console.error(`Renderer drain failed`);
   } else {
-    console.log('Renderer drained.');
+    console.log(`Renderer drained.`);
   }
 });
 ```
@@ -2618,9 +2618,9 @@ drain(): Promise\<void>
 
 ```
 audioRenderer.drain().then(() => {
-  console.log('Renderer drained successfully');
+  console.log(`Renderer drained successfully`);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2643,9 +2643,9 @@ stop(callback: AsyncCallback\<void>): void
 ```
 audioRenderer.stop((err) => {
   if (err) {
-    console.error('Renderer stop failed');
+    console.error(`Renderer stop failed`);
   } else {
-    console.log('Renderer stopped.');
+    console.log(`Renderer stopped.`);
   }
 });
 ```
@@ -2668,9 +2668,9 @@ stop(): Promise\<void>
 
 ```
 audioRenderer.stop().then(() => {
-  console.log('Renderer stopped successfully');
+  console.log(`Renderer stopped successfully`);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2693,9 +2693,9 @@ release(callback: AsyncCallback\<void>): void
 ```
 audioRenderer.release((err) => {
   if (err) {
-    console.error('Renderer release failed');
+    console.error(`Renderer release failed`);
   } else {
-    console.log('Renderer released.');
+    console.log(`Renderer released.`);
   }
 });
 ```
@@ -2718,9 +2718,9 @@ release(): Promise\<void>
 
 ```
 audioRenderer.release().then(() => {
-  console.log('Renderer released successfully');
+  console.log(`Renderer released successfully`);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2757,7 +2757,8 @@ var audioRendererInfo = {
   content: audio.ContentType.CONTENT_TYPE_SPEECH,
   usage: audio.StreamUsage.STREAM_USAGE_VOICE_COMMUNICATION
   rendererFlags: 0
-  
+}
+
 var audioRendererOptions = {
   streamInfo: audioStreamInfo,
   rendererInfo: audioRendererInfo
@@ -2765,29 +2766,29 @@ var audioRendererOptions = {
 var audioRenderer;
 audio.createAudioRenderer(audioRendererOptions).then((data)=> {
   audioRenderer = data;
-  console.info('AudioFrameworkRenderLog: AudioRenderer Created: SUCCESS');
+  console.info(`AudioFrameworkRenderLog: AudioRenderer Created: SUCCESS`);
   }).catch((err) => {
-  console.info('AudioFrameworkRenderLog: AudioRenderer Created: ERROR: '+err.message);
+  console.info(`AudioFrameworkRenderLog: AudioRenderer Created: ERROR: ` + err.message);
   });
 var bufferSize;
 audioRenderer.getBufferSize().then((data)=> {
-  console.info('AudioFrameworkRenderLog: getBufferSize: SUCCESS '+data);
+  console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ` + data);
   bufferSize = data;
   }).catch((err) => {
-  console.info.('AudioFrameworkRenderLog: getBufferSize: ERROR: '+err.message);
+  console.info.(`AudioFrameworkRenderLog: getBufferSize: ERROR: ` + err.message);
   });
-console.info('Buffer size:'+bufferSize);
+console.info(`Buffer size:` + bufferSize);
 var context = featureAbility.getContext();
 var path = await context.getCacheDir();
-var filePath = path+"/StarWars10s-2C-48000-4SW.wav"
+var filePath = path + "/StarWars10s-2C-48000-4SW.wav";
 let ss = fileio.createStreamSync(filePath, 'r');
 let buf = new ArrayBuffer(bufferSize);
 ss.readSync(buf);
 audioRenderer.write(buf, (err, writtenbytes) => {
   if (writtenbytes < 0) {
-      console.error('write failed.');
+      console.error(`write failed.`);
   } else {
-     console.log('Actual written bytes: ' + writtenbytes);
+     console.log(`Actual written bytes: ` + writtenbytes);
   }
 });
 ```
@@ -2833,18 +2834,18 @@ var audioRendererOptions = {
 var audioRenderer;
 audio.createAudioRenderer(audioRendererOptions).then((data) => {
   audioRenderer = data;
-  console.info('AudioFrameworkRenderLog: AudioRenderer Created: SUCCESS');
+  console.info(`AudioFrameworkRenderLog: AudioRenderer Created: SUCCESS`);
   }).catch((err) => {
-  console.info('AudioFrameworkRenderLog: AudioRenderer Created: ERROR: '+err.message);
+  console.info(`AudioFrameworkRenderLog: AudioRenderer Created: ERROR: ` + err.message);
   });
 var bufferSize;
 audioRenderer.getBufferSize().then((data) => {
-  console.info('AudioFrameworkRenderLog: getBufferSize: SUCCESS '+data);
+  console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ` + data);
   bufferSize = data;
   }).catch((err) => {
-  console.info('AudioFrameworkRenderLog: getBufferSize: ERROR: '+err.message);
+  console.info(`AudioFrameworkRenderLog: getBufferSize: ERROR: ` + err.message);
   });
-console.info('BufferSize: ' + bufferSize);
+console.info(`BufferSize: ` + bufferSize);
 var context = featureAbility.getContext();
 var path = await context.getCacheDir();
 var filePath = 'data/StarWars10s-2C-48000-4SW.wav';
@@ -2853,12 +2854,12 @@ let buf = new ArrayBuffer(bufferSize);
 ss.readSync(buf);
 audioRenderer.write(buf).then((writtenbytes) => {
   if (writtenbytes < 0) {
-    console.error('write failed.');
+      console.error(`write failed.`);
   } else {
-    console.log('Actual written bytes: ' + writtenbytes);
+      console.log(`Actual written bytes: ` + writtenbytes);
   }
 }).catch((err) => {
-    console.log('ERROR: '+err.message);
+    console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2880,7 +2881,7 @@ getAudioTime(callback: AsyncCallback\<number>): void
 
 ```
 audioRenderer.getAudioTime((err, timestamp) => {
-  console.log('Current timestamp: ' + timestamp);
+  console.log(`Current timestamp: ` + timestamp);
 });
 ```
 
@@ -2902,9 +2903,9 @@ getAudioTime(): Promise\<number>
 
 ```
 audioRenderer.getAudioTime().then((timestamp) => {
-  console.log('Current timestamp: ' + timestamp);
+  console.log(`Current timestamp: ` + timestamp);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -2927,7 +2928,7 @@ getBufferSize(callback: AsyncCallback\<number>): void
 ```
 var bufferSize = audioRenderer.getBufferSize(async(err, bufferSize) => {
   if (err) {
-    console.error('getBufferSize error');
+    console.error(`getBufferSize error`);
   }
 });
 ```
@@ -2953,10 +2954,10 @@ import audio from '@ohos.multimedia.audio';
 import fileio from '@ohos.fileio';
 
 var audioStreamInfo = {
-  samplingRate:audio.AudioSamplingRate.SAMPLE_RATE_48000,
-  channels:audio.AudioChannel.CHANNEL_2,
-  sampleFormat:audio.AudioSampleFormat.SAMPLE_FORMAT_S32LE,
-  encodingType:audio.AudioEncodingType.ENCODING_TYPE_RAW
+  samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_48000,
+  channels: audio.AudioChannel.CHANNEL_2,
+  sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S32LE,
+  encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
 }
 
 var audioRendererInfo = {
@@ -2974,14 +2975,14 @@ audio.createAudioRenderer(audioRendererOptions).then((data) => {
   audioRenderer = data;
   console.info('AudioFrameworkRenderLog: AudioRenderer Created: SUCCESS');
   }).catch((err) => {
-  console.info('AudioFrameworkRenderLog: AudioRenderer Created: ERROR: '+err.message);
+  console.info('AudioFrameworkRenderLog: AudioRenderer Created: ERROR: ' + err.message);
   });
 var bufferSize;
 audioRenderer.getBufferSize().then((data) => {
-  console.info('AudioFrameworkRenderLog: getBufferSize: SUCCESS '+data);
-  bufferSize=data;
+  console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ` + data);
+  bufferSize = data;
 }).catch((err) => {
-  console.info('AudioFrameworkRenderLog: getBufferSize: ERROR: '+err.message);
+  console.info(`AudioFrameworkRenderLog: getBufferSize: ERROR: ` + err.message);
 });
 ```
 
@@ -3005,9 +3006,9 @@ setRenderRate(rate: AudioRendererRate, callback: AsyncCallback\<void>): void
 ```
 audioRenderer.setRenderRate(audio.AudioRendererRate.RENDER_RATE_NORMAL, (err) => {
   if (err) {
-    console.error('Failed to set params');
+    console.error(`Failed to set params`);
   } else {
-    console.log('Callback invoked to indicate a successful render rate setting.');
+    console.log(`Callback invoked to indicate a successful render rate setting.`);
   }
 });
 ```
@@ -3036,9 +3037,9 @@ setRenderRate(rate: AudioRendererRate): Promise\<void>
 
 ```
 audioRenderer.setRenderRate(audio.AudioRendererRate.RENDER_RATE_NORMAL).then(() => {
-  console.log('setRenderRate SUCCESS');
+  console.log(`setRenderRate SUCCESS`);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 
@@ -3060,7 +3061,7 @@ getRenderRate(callback: AsyncCallback\<AudioRendererRate>): void
 
 ```
 audioRenderer.getRenderRate((err, renderrate) => {
-  console.log('getRenderRate: ' + renderrate);
+  console.log(`getRenderRate: ` + renderrate);
 });
 ```
 
@@ -3082,9 +3083,9 @@ getRenderRate(): Promise\<AudioRendererRate>
 
 ```
 audioRenderer.getRenderRate().then((renderRate) => {
-  console.log('getRenderRate: ' + renderRate);
+  console.log(`getRenderRate: ` + renderRate);
 }).catch((err) => {
-  console.log('ERROR: '+err.message);
+  console.log(`ERROR: ` + err.message);
 });
 ```
 ### setInterruptMode<sup>9+</sup>
@@ -3128,9 +3129,9 @@ var audioRendererOptions = {
 let audioRenderer = await audio.createAudioRenderer(audioRendererOptions);
 let mode = 0;
 audioRenderer.setInterruptMode(mode).then(data=>{
-  console.log("setInterruptMode Success!");
+  console.log(`setInterruptMode Success!`);
 }).catch(err=>{
-  console.log("setInterruptMode Fail:" + err.message);
+  console.log(`setInterruptMode Fail:` + err.message);
 });
 ```
 ### setInterruptMode<sup>9+</sup>
@@ -3168,11 +3169,11 @@ var audioRendererOptions = {
 }
 let audioRenderer = await audio.createAudioRenderer(audioRendererOptions);
 let mode = 1;
-audioRenderer.setInterruptMode(mode,(err,data)=>{
+audioRenderer.setInterruptMode(mode, (err, data)=>{
   if(err){
-    console.log("setInterruptMode Fail:" + err.message);
+    console.log(`setInterruptMode Fail:` + err.message);
   }
-  console.log("setInterruptMode Success!");
+  console.log(`setInterruptMode Success!`);
 });
 ```
 ### on('interrupt')<sup>9+</sup>
@@ -3199,45 +3200,45 @@ audioRenderer.on('interrupt', async(interruptEvent) => {
   if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_FORCE) {
     switch (interruptEvent.hintType) {
       case audio.InterruptHint.INTERRUPT_HINT_PAUSE:
-        console.log('Force paused. Stop writing');
+        console.log(`Force paused. Stop writing`);
         isPlay = false;
         break;
       case audio.InterruptHint.INTERRUPT_HINT_STOP:
-        console.log('Force stopped. Stop writing');
+        console.log(`Force stopped. Stop writing`);
         isPlay = false;
         break;
-      }
+    }
   } else if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_SHARE) {
     switch (interruptEvent.hintType) {
       case audio.InterruptHint.INTERRUPT_HINT_RESUME:
-        console.log('Resume force paused renderer or ignore');
+        console.log(`Resume force paused renderer or ignore`);
         await audioRenderer.start().then(async function () {
-          console.info('AudioInterruptMusic: renderInstant started :SUCCESS ');
+          console.info(`AudioInterruptMusic: renderInstant started :SUCCESS `);
           started = true;
         }).catch((err) => {
-          console.info('AudioInterruptMusic: renderInstant start :ERROR : '+err.message);
+          console.info(`AudioInterruptMusic: renderInstant start :ERROR : ` + err.message);
           started = false;
         });
         if (started) {
           isPlay = true;
-          console.info('AudioInterruptMusic Renderer started : isPlay : '+isPlay);
+          console.info(`AudioInterruptMusic Renderer started : isPlay : ` + isPlay);
         } else {
-          console.error('AudioInterruptMusic Renderer start failed');
+          console.error(`AudioInterruptMusic Renderer start failed`);
         }
         break;
-        case audio.InterruptHint.INTERRUPT_HINT_PAUSE:
-          console.log('Choose to pause or ignore');
-          if (isPlay == true) {
-            isPlay == false;
-            console.info('AudioInterruptMusic: Media PAUSE : TRUE');
-          }else {
-            isPlay = true;
-            console.info('AudioInterruptMusic: Media PLAY : TRUE');
-          }
+      case audio.InterruptHint.INTERRUPT_HINT_PAUSE:
+        console.log('Choose to pause or ignore');
+        if (isPlay == true) {
+          isPlay == false;
+          console.info(`AudioInterruptMusic: Media PAUSE : TRUE`);
+        } else {
+          isPlay = true;
+          console.info(`AudioInterruptMusic: Media PLAY : TRUE`);
+        }
         break;
     }
   }
-  });
+});
 ```
 
 ### on('markReach')<sup>8+</sup>
@@ -3261,7 +3262,7 @@ on(type: 'markReach', frame: number, callback: (position: number) => {}): void
 ```
 audioRenderer.on('markReach', 1000, (position) => {
   if (position == 1000) {
-    console.log('ON Triggered successfully');
+    console.log(`ON Triggered successfully`);
   }
 });
 ```
@@ -3308,7 +3309,7 @@ on(type: "periodReach", frame: number, callback: (position: number) => {}): void
 ```
 audioRenderer.on('periodReach', 1000, (position) => {
   if (position == 1000) {
-    console.log('ON Triggered successfully');
+    console.log(`ON Triggered successfully`);
   }
 });
 ```
@@ -3353,10 +3354,10 @@ on(type: 'stateChange', callback: Callback<AudioState\>): void
 ```
 audioRenderer.on('stateChange', (state) => {
   if (state == 1) {
-    console.log("audio renderer state is: STATE_PREPARED");
+    console.log(`audio renderer state is: STATE_PREPARED`);
   }
   if (state == 2) {
-    console.log("audio renderer state is: STATE_RUNNING");
+    console.log(`audio renderer state is: STATE_RUNNING`);
   }
 });
 ```
@@ -3398,11 +3399,11 @@ getCapturerInfo(callback: AsyncCallback<AudioCapturerInfo\>): void
 ```
 audioCapturer.getCapturerInfo((err, capturerInfo) => {
   if (err) {
-    console.error('Failed to get capture info');
+    console.error(`Failed to get capture info`);
   } else {
-    console.log('Capturer getCapturerInfo:');
-    console.log('Capturer source:' + capturerInfo.source);
-    console.log('Capturer flags:' + capturerInfo.capturerFlags);
+    console.log(`Capturer getCapturerInfo:`);
+    console.log(`Capturer source:` + capturerInfo.source);
+    console.log(`Capturer flags:` + capturerInfo.capturerFlags);
   }
 });
 ```
@@ -3427,15 +3428,15 @@ getCapturerInfo(): Promise<AudioCapturerInfo\>
 ```
 audioCapturer.getCapturerInfo().then((audioParamsGet) => {
   if (audioParamsGet != undefined) {
-    console.info('AudioFrameworkRecLog: Capturer CapturerInfo:');
-    console.info('AudioFrameworkRecLog: Capturer SourceType:' + audioParamsGet.source);
-    console.info('AudioFrameworkRecLog: Capturer capturerFlags:' + audioParamsGet.capturerFlags);
+    console.info(`AudioFrameworkRecLog: Capturer CapturerInfo:`);
+    console.info(`AudioFrameworkRecLog: Capturer SourceType:` + audioParamsGet.source);
+    console.info(`AudioFrameworkRecLog: Capturer capturerFlags:` + audioParamsGet.capturerFlags);
   } else {
-    console.info('AudioFrameworkRecLog: audioParamsGet is : '+audioParamsGet);
-    console.info('AudioFrameworkRecLog: audioParams getCapturerInfo are incorrect: ');
+    console.info(`AudioFrameworkRecLog: audioParamsGet is : ` + audioParamsGet);
+    console.info(`AudioFrameworkRecLog: audioParams getCapturerInfo are incorrect: `);
   }
 }).catch((err) => {
-  console.log('AudioFrameworkRecLog: CapturerInfo :ERROR: '+err.message);
+  console.log(`AudioFrameworkRecLog: CapturerInfo :ERROR: ` + err.message);
 });
 ```
 
@@ -3458,13 +3459,13 @@ getStreamInfo(callback: AsyncCallback<AudioStreamInfo\>): void
 ```
 audioCapturer.getStreamInfo((err, streamInfo) => {
   if (err) {
-    console.error('Failed to get stream info');
+    console.error(`Failed to get stream info');
   } else {
-    console.log('Capturer GetStreamInfo:');
-    console.log('Capturer sampling rate:' + streamInfo.samplingRate);
-    console.log('Capturer channel:' + streamInfo.channels);
-    console.log('Capturer format:' + streamInfo.sampleFormat);
-    console.log('Capturer encoding type:' + streamInfo.encodingType);
+    console.log(`Capturer GetStreamInfo:`);
+    console.log(`Capturer sampling rate:` + streamInfo.samplingRate);
+    console.log(`Capturer channel:` + streamInfo.channels);
+    console.log(`Capturer format:` + streamInfo.sampleFormat);
+    console.log(`Capturer encoding type:` + streamInfo.encodingType);
   }
 });
 ```
@@ -3487,13 +3488,13 @@ getStreamInfo(): Promise<AudioStreamInfo\>
 
 ```
 audioCapturer.getStreamInfo().then((audioParamsGet) => {
-  console.info('getStreamInfo:');
-  console.info('sampleFormat:' + audioParamsGet.sampleFormat);
-  console.info('samplingRate:' + audioParamsGet.samplingRate);
-  console.info('channels:' + audioParamsGet.channels);
-  console.info('encodingType:' + audioParamsGet.encodingType);
+  console.info(`getStreamInfo:`);
+  console.info(`sampleFormat:` + audioParamsGet.sampleFormat);
+  console.info(`samplingRate:` + audioParamsGet.samplingRate);
+  console.info(`channels:` + audioParamsGet.channels);
+  console.info(`encodingType:` + audioParamsGet.encodingType);
 }).catch((err) => {
-  console.log('getStreamInfo :ERROR: ' + err.message);
+  console.log(`getStreamInfo :ERROR: ` + err.message);
 });
 ```
 
@@ -3516,9 +3517,9 @@ start(callback: AsyncCallback<void\>): void
 ```
 audioCapturer.start((err) => {
   if (err) {
-    console.error('Capturer start failed.');
+    console.error(`Capturer start failed.`);
   } else {
-    console.info('Capturer start success.');
+    console.info(`Capturer start success.`);
   }
 });
 ```
@@ -3560,21 +3561,21 @@ var audioCapturer;
 var stateFlag;
 audio.createAudioCapturer(audioCapturerOptions).then((data) => {
   audioCapturer = data;
-  console.info('AudioFrameworkRecLog: AudioCapturer Created: SUCCESS');
+  console.info(`AudioFrameworkRecLog: AudioCapturer Created: SUCCESS`);
   }).catch((err) => {
-  console.info('AudioFrameworkRecLog: AudioCapturer Created: ERROR: '+err.message);
+  console.info(`AudioFrameworkRecLog: AudioCapturer Created: ERROR: ` + err.message);
   });
 audioCapturer.start().then(() => {
-  console.info('AudioFrameworkRecLog: ---------START---------');
-  console.info('AudioFrameworkRecLog: Capturer started: SUCCESS');
-  console.info('AudioFrameworkRecLog: AudioCapturer: STATE: '+audioCapturer.state);
-  console.info('AudioFrameworkRecLog: Capturer started: SUCCESS ');
+  console.info(`AudioFrameworkRecLog: ---------START---------`);
+  console.info(`AudioFrameworkRecLog: Capturer started: SUCCESS`);
+  console.info(`AudioFrameworkRecLog: AudioCapturer: STATE: ` + audioCapturer.state);
+  console.info(`AudioFrameworkRecLog: Capturer started: SUCCESS `);
   if ((audioCapturer.state == audio.AudioState.STATE_RUNNING)) {
-    console.info('AudioFrameworkRecLog: AudioCapturer is in Running State');
+    console.info(`AudioFrameworkRecLog: AudioCapturer is in Running State`);
   }
 }).catch((err) => {
-  console.info('AudioFrameworkRecLog: Capturer start :ERROR : '+err.message);
-  stateFlag=false;
+  console.info(`AudioFrameworkRecLog: Capturer start :ERROR : ` + err.message);
+  stateFlag = false;
 });
 ```
 
@@ -3597,9 +3598,9 @@ stop(callback: AsyncCallback<void\>): void
 ```
 audioCapturer.stop((err) => {
   if (err) {
-    console.error('Capturer stop failed');
+    console.error(`Capturer stop failed`);
   } else {
-    console.log('Capturer stopped.');
+    console.log(`Capturer stopped.`);
   }
 });
 ```
@@ -3623,13 +3624,13 @@ stop(): Promise<void\>
 
 ```
 audioCapturer.stop().then(() => {
-  console.info('AudioFrameworkRecLog: ---------STOP RECORD---------');
-  console.info('AudioFrameworkRecLog: Capturer stopped: SUCCESS');
+  console.info(`AudioFrameworkRecLog: ---------STOP RECORD---------`);
+  console.info(`AudioFrameworkRecLog: Capturer stopped: SUCCESS`);
   if ((audioCapturer.state == audio.AudioState.STATE_STOPPED)){
-    console.info('AudioFrameworkRecLog: State is Stopped': ');
+    console.info(`AudioFrameworkRecLog: State is Stopped: `);
   }
 }).catch((err) => {
-  console.info('AudioFrameworkRecLog: Capturer stop: ERROR: '+err.message);
+  console.info(`AudioFrameworkRecLog: Capturer stop: ERROR: ` + err.message);
 });
 ```
 
@@ -3652,9 +3653,9 @@ release(callback: AsyncCallback<void\>): void
 ```
 audioCapturer.release((err) => {
   if (err) {
-    console.error('capturer release failed');
+    console.error(`capturer release failed`);
   } else {
-    console.log('capturer released.');
+    console.log(`capturer released.`);
   }
 });
 ```
@@ -3679,12 +3680,12 @@ release(): Promise<void\>
 ```
 var stateFlag;
 audioCapturer.release().then(() => {
-  console.info('AudioFrameworkRecLog: ---------RELEASE RECORD---------');
-  console.info('AudioFrameworkRecLog: Capturer release : SUCCESS');
-  console.info('AudioFrameworkRecLog: AudioCapturer : STATE : '+audioCapturer.state);
-  console.info('AudioFrameworkRecLog: stateFlag : '+stateFlag);
+  console.info(`AudioFrameworkRecLog: ---------RELEASE RECORD---------`);
+  console.info(`AudioFrameworkRecLog: Capturer release : SUCCESS`);
+  console.info(`AudioFrameworkRecLog: AudioCapturer : STATE : ` + audioCapturer.state);
+  console.info(`AudioFrameworkRecLog: stateFlag : ` + stateFlag);
 }).catch((err) => {
-  console.info('AudioFrameworkRecLog: Capturer stop: ERROR: '+err.message);
+  console.info(`AudioFrameworkRecLog: Capturer stop: ERROR: ` + err.message);
 });
 ```
 
@@ -3710,14 +3711,14 @@ read(size: number, isBlockingRead: boolean, callback: AsyncCallback<ArrayBuffer\
 ```
 var bufferSize;
 audioCapturer.getBufferSize().then((data) => {
-  console.info('AudioFrameworkRecLog: getBufferSize: SUCCESS '+data);
+  console.info(`AudioFrameworkRecLog: getBufferSize: SUCCESS ` + data);
   bufferSize = data;
   }).catch((err) => {
-  console.info('AudioFrameworkRecLog: getBufferSize: EROOR: '+err.message);
+  console.info(`AudioFrameworkRecLog: getBufferSize: EROOR: ` + err.message);
   });
 audioCapturer.read(bufferSize, true, async(err, buffer) => {
   if (!err) {
-    console.log("Success in reading the buffer data");
+    console.log(`Success in reading the buffer data`);
   }
 });
 ```
@@ -3749,16 +3750,16 @@ read(size: number, isBlockingRead: boolean): Promise<ArrayBuffer\>
 ```
 var bufferSize;
 audioCapturer.getBufferSize().then((data) => {
-  console.info('AudioFrameworkRecLog: getBufferSize: SUCCESS '+data);
+  console.info(`AudioFrameworkRecLog: getBufferSize: SUCCESS ` + data);
   bufferSize = data;
   }).catch((err) => {
-  console.info('AudioFrameworkRecLog: getBufferSize: ERROR '+err.message);
+  console.info(`AudioFrameworkRecLog: getBufferSize: ERROR ` + err.message);
   });
-console.info('Buffer size: ' + bufferSize);
+console.info(`Buffer size: ` + bufferSize);
 audioCapturer.read(bufferSize, true).then((buffer) => {
-  console.info('buffer read successfully');
+  console.info(`buffer read successfully`);
 }).catch((err) => {
-  console.info('ERROR : '+err.message);
+  console.info(`ERROR : ` + err.message);
 });
 ```
 
@@ -3781,7 +3782,7 @@ getAudioTime(callback: AsyncCallback<number\>): void
 
 ```
 audioCapturer.getAudioTime((err, timestamp) => {
-  console.log('Current timestamp: ' + timestamp);
+  console.log(`Current timestamp: ` + timestamp);
 });
 ```
 
@@ -3804,9 +3805,9 @@ getAudioTime(): Promise<number\>
 
 ```
 audioCapturer.getAudioTime().then((audioTime) => {
-  console.info('AudioFrameworkRecLog: AudioCapturer getAudioTime : Success' + audioTime );
+  console.info(`AudioFrameworkRecLog: AudioCapturer getAudioTime : Success` + audioTime );
 }).catch((err) => {
-  console.info('AudioFrameworkRecLog: AudioCapturer Created : ERROR : '+err.message);
+  console.info(`AudioFrameworkRecLog: AudioCapturer Created : ERROR : ` + err.message);
 });
 ```
 
@@ -3830,11 +3831,11 @@ getBufferSize(callback: AsyncCallback<number\>): void
 ```
 audioCapturer.getBufferSize((err, bufferSize) => {
   if (!err) {
-    console.log('BufferSize : ' + bufferSize);
+    console.log(`BufferSize : ` + bufferSize);
     audioCapturer.read(bufferSize, true).then((buffer) => {
-      console.info('Buffer read is ' + buffer );
+        console.info(`Buffer read is ` + buffer );
     }).catch((err) => {
-      console.info('AudioFrameworkRecLog: AudioCapturer Created : ERROR : '+err.message);
+        console.info(`AudioFrameworkRecLog: AudioCapturer Created : ERROR : ` + err.message);
     });
   }
 });
@@ -3860,10 +3861,10 @@ getBufferSize(): Promise<number\>
 ```
 var bufferSize;
 audioCapturer.getBufferSize().then((data) => {
-  console.info('AudioFrameworkRecLog: getBufferSize :SUCCESS '+ data);
+  console.info(`AudioFrameworkRecLog: getBufferSize :SUCCESS ` + data);
   bufferSize = data;
 }).catch((err) => {
-  console.info('AudioFrameworkRecLog: getBufferSize :ERROR : '+ err.message);
+  console.info(`AudioFrameworkRecLog: getBufferSize :ERROR : ` + err.message);
 });
 ```
 
@@ -3889,7 +3890,7 @@ on(type: 'markReach', frame: number, callback: (position: number) => {}): void
 ```
 audioCapturer.on('markReach', 1000, (position) => {
   if (position == 1000) {
-    console.log('ON Triggered successfully');
+    console.log(`ON Triggered successfully`);
   }
 });
 ```
@@ -3935,7 +3936,7 @@ on(type: "periodReach", frame: number, callback: (position: number) => {}): void
 ```
 audioCapturer.on('periodReach', 1000, (position) => {
   if (position == 1000) {
-    console.log('ON Triggered successfully');
+    console.log(`ON Triggered successfully`);
   }
 });
 ```
@@ -3980,10 +3981,10 @@ on(type: 'stateChange', callback: Callback<AudioState\>): void
 ```
 audioCapturer.on('stateChange', (state) => {
   if (state == 1) {
-    console.log("audio capturer state is: STATE_PREPARED");
+    console.log(`audio capturer state is: STATE_PREPARED`);
   }
   if (state == 2) {
-    console.log("audio capturer state is: STATE_RUNNING");
+    console.log(`audio capturer state is: STATE_RUNNING`);
   }
 });
 ```
\ No newline at end of file