Modify log output calls and use of single quotes

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.error(`AudioFrameworkRenderLog: AudioRenderer Created : ERROR : ${err.message}`);
 });
 ```
 
@@ -193,7 +193,7 @@ 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.error(`AudioCapturer Created : ERROR : ${err.message}`);
 });
 ```
 
@@ -699,7 +699,7 @@ audioManager.setVolume(audio.AudioVolumeType.MEDIA, 10, (err) => {
     console.error(`Failed to set the volume. ${err.message}`);
     return;
   }
-  console.log(`Callback invoked to indicate a successful volume setting.`);
+  console.info('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.info('Promise returned to indicate a successful volume setting.');
 });
 ```
 
@@ -757,7 +757,7 @@ audioManager.getVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
     console.error(`Failed to obtain the volume. ${err.message}`);
     return;
   }
-  console.log(`Callback invoked to indicate that the volume is obtained.`);
+  console.info('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.info(`Promise returned to indicate that the volume is obtained ${value} .`);
 });
 ```
 
@@ -812,7 +812,7 @@ audioManager.getMinVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
     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.info(`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.info(`Promised returned to indicate that the minimum volume is obtained. ${value}`);
 });
 ```
 
@@ -867,7 +867,7 @@ audioManager.getMaxVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
     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.info(`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.info('Promised returned to indicate that the maximum volume is obtained.');
 });
 ```
 
@@ -925,7 +925,7 @@ audioManager.mute(audio.AudioVolumeType.MEDIA, true, (err) => {
     console.error(`Failed to mute the stream. ${err.message}`);
     return;
   }
-  console.log(`Callback invoked to indicate that the stream is muted.`);
+  console.info('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.info('Promise returned to indicate that the stream is muted.');
 });
 ```
 
@@ -985,7 +985,7 @@ audioManager.isMute(audio.AudioVolumeType.MEDIA, (err, value) => {
     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.info(`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.info(`Promise returned to indicate that the mute status of the stream is obtained ${value}.`);
 });
 ```
 
@@ -1041,7 +1041,7 @@ audioManager.isActive(audio.AudioVolumeType.MEDIA, (err, value) => {
     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.info(`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.info(`Promise returned to indicate that the active status of the stream is obtained ${value}.`);
 });
 ```
 
@@ -1098,7 +1098,7 @@ audioManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL, (err) => {
     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.info('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.info('Promise returned to indicate a successful setting of the ringer mode.');
 });
 ```
 
@@ -1155,7 +1155,7 @@ audioManager.getRingerMode((err, value) => {
     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.info(`Callback invoked to indicate that the ringer mode is obtained ${value}.`);
 });
 ```
 
@@ -1178,8 +1178,8 @@ getRingerMode(): Promise<AudioRingMode>
 
 ```
 audioManager.getRingerMode().then((value) => {
-  console.log(`Promise returned to indicate that the ringer mode is obtained.` + value);
-});
+  console.info(`Promise returned to indicate that the ringer mode is obtained ${value}.`);
+})
 ```
 
 ### setAudioParameter
@@ -1210,7 +1210,7 @@ audioManager.setAudioParameter('key_example', 'value_example', (err) => {
     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.info('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.info('Promise returned to indicate a successful setting of the audio parameter.');
 });
 ```
 
@@ -1272,7 +1272,7 @@ audioManager.getAudioParameter('key_example', (err, value) => {
     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.info(`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.info(`Promise returned to indicate that the value of the audio parameter is obtained ${value}.`);
 });
 ```
 
@@ -1328,7 +1328,7 @@ audioManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (err, value) => {
     console.error(`Failed to obtain the device list. ${err.message}`);
     return;
   }
-  console.log(`Callback invoked to indicate that the device list is obtained.`);
+  console.info('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.info('Promise returned to indicate that the device list is obtained.');
 });
 ```
 
@@ -1384,7 +1384,7 @@ audioManager.setDeviceActive(audio.ActiveDeviceType.SPEAKER, true, (err) => {
     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.info('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.info('Promise returned to indicate that the device is set to the active status.');
 });
 ```
 
@@ -1441,7 +1441,7 @@ audioManager.isDeviceActive(audio.ActiveDeviceType.SPEAKER, (err, value) => {
     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.info('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.info(`Promise returned to indicate that the active status of the device is obtained ${value}.`);
 });
 ```
 
@@ -1499,7 +1499,7 @@ audioManager.setMicrophoneMute(true, (err) => {
     console.error(`Failed to mute the microphone. ${err.message}`);
     return;
   }
-  console.log(`Callback invoked to indicate that the microphone is muted.`);
+  console.info('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.info('Promise returned to indicate that the microphone is muted.');
 });
 ```
 
@@ -1557,7 +1557,7 @@ audioManager.isMicrophoneMute((err, value) => {
     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.info(`Callback invoked to indicate that the mute status of the microphone is obtained ${value}.`);
 });
 ```
 
@@ -1579,10 +1579,9 @@ isMicrophoneMute(): Promise<boolean>
 
 **示例：**
 
-
 ```
 audioManager.isMicrophoneMute().then((value) => {
-  console.log(`Promise returned to indicate that the mute status of the microphone is obtained.`, + value);
+  console.info(`Promise returned to indicate that the mute status of the microphone is obtained ${value}.`);
 });
 ```
 
@@ -1609,9 +1608,9 @@ 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.info(`VolumeType of stream: ${volumeEvent.volumeType} `);
+  console.info(`Volume level: ${volumeEvent.volume} `);
+  console.info(`Whether to updateUI: ${volumeEvent.updateUi} `);
 });
 ```
 
@@ -1636,7 +1635,7 @@ on(type: 'ringerModeChange', callback: Callback\<AudioRingMode>): void
 
 ```
 audioManager.on('ringerModeChange', (ringerMode) => {
-  console.log(`Updated ringermode: ` + ringerMode);
+  console.info(`Updated ringermode: ${ringerMode}`);
 });
 ```
 
@@ -1659,10 +1658,10 @@ 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 +1684,7 @@ off(type: 'deviceChange', callback?: Callback<DeviceChangeAction\>): void
 
 ```
 audioManager.off('deviceChange', (deviceChanged) => {
-  console.log(`Should be no callback.`);
+  console.info('Should be no callback.');
 });
 ```
 
@@ -1715,12 +1714,12 @@ 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.info('An event to gain the audio focus starts.');
+    console.info(`Focus gain event: ${InterruptAction} `);
   }
   if (InterruptAction.actionType === 1) {
-    console.log(`An audio interruption event starts.`);
-    console.log(`Audio interruption event:` + JSON.stringify(InterruptAction));
+    console.info('An audio interruption event starts.');
+    console.info(`Audio interruption event: ${InterruptAction} `);
   }
 });
 ```
@@ -1751,8 +1750,8 @@ 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.info('An event to release the audio focus starts.');
+      console.info(`Focus release event: ${InterruptAction} `);
   }
 });
 ```
@@ -1782,7 +1781,7 @@ audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL, (err) => {
     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.info('Callback invoked to indicate a successful setting of the audio scene mode.');
 });
 ```
 
@@ -1812,9 +1811,9 @@ 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.info('Promise returned to indicate a successful setting of the audio scene mode.');
 }).catch ((err) => {
-  console.log(`Failed to set the audio scene mode`);
+  console.error(`Failed to set the audio scene mode ${err.message}`);
 });
 ```
 
@@ -1840,7 +1839,7 @@ audioManager.getAudioScene((err, value) => {
     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.info(`Callback invoked to indicate that the audio scene mode is obtained ${value}.`);
 });
 ```
 
@@ -1863,9 +1862,9 @@ getAudioScene\(\): Promise<AudioScene\>
 
 ```
 audioManager.getAudioScene().then((value) => {
-  console.log(`Promise returned to indicate that the audio scene mode is obtained.` + value);
+  console.info(`Promise returned to indicate that the audio scene mode is obtained ${value}.`);
 }).catch ((err) => {
-  console.log(`Failed to obtain the audio scene mode`);
+  console.error(`Failed to obtain the audio scene mode ${err.message}`);
 });
 ```
 
@@ -1890,30 +1889,28 @@ 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);
-    resultFlag = false;
+    console.error(`getCurrentAudioRendererInfoArray :ERROR: ${err.message}`);
   } 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);  
-        var devDescriptor = AudioRendererChangeInfo.deviceDescriptors;
+        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}`);  
         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}`);
         }
       }
     }
@@ -1942,27 +1939,26 @@ await audioStreamManager.getCurrentAudioRendererInfoArray().then( function (Audi
   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);  
-      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(`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}`);  
+      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}`);
       }
     }
   }
 }).catch((err) => {
-  console.log(`getCurrentAudioRendererInfoArray :ERROR: ` + err.message);
+  console.error(`getCurrentAudioRendererInfoArray :ERROR: ${err.message}`);
 });
 ```
 
@@ -1983,27 +1979,26 @@ 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.error(`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);  
-        var devDescriptor = AudioCapturerChangeInfoArray[i].deviceDescriptors;
+        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}`);
         }
       }
     }
@@ -2028,29 +2023,28 @@ 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);  
-      var devDescriptor = AudioCapturerChangeInfoArray[i].deviceDescriptors;
+      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}`);
       }
     }
   }
 }).catch((err) => {
-  console.log(`getCurrentAudioCapturerInfoArray :ERROR: ` + err.message);
+  console.error(`getCurrentAudioCapturerInfoArray :ERROR: ${err.message}`);
 });
 ```
 
@@ -2074,23 +2068,22 @@ 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);  
-    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(`## 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 ${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}`);  
+    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}`);
     }
   }
 });
@@ -2113,7 +2106,7 @@ 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 +2128,22 @@ 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}`);  
+    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}`);
     }
   }
 });
@@ -2172,7 +2166,7 @@ off(type: "audioCapturerChange");
 **示例：**
 ```
 audioStreamManager.off('audioCapturerChange');
-console.info(`######### CapturerChange Off is called #########`);
+console.info('######### CapturerChange Off is called #########');
 
 ```
 
@@ -2202,48 +2196,47 @@ import audio from '@ohos.multimedia.audio';
 
 var audioStreamManager;
 var audioStreamManagerCB;
-var Tag = "AFCapLog : ";
 var resultFlag = false;
 
 await audioManager.getStreamManager().then(async function (data) {
   audioStreamManager = data;
-  console.info(Tag + `Get AudioStream Manager : Success `);
+  console.info('Get AudioStream Manager : Success');
 }).catch((err) => {
-  console.info(Tag + `Get AudioStream Manager : ERROR : ` + err.message);
+  console.error(`Get AudioStream Manager : ERROR : ${err.message}`);
 });
 
 audioManager.getStreamManager((err, data) => {
   if (err) {
-    console.error(Tag + `Get AudioStream Manager : ERROR : ` + err.message);
+    console.error(`Get AudioStream Manager : ERROR : ${err.message}`);
   } else {
     audioStreamManagerCB = data;
-    console.info(Tag + `Get AudioStream Manager : Success `);
+    console.info('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(`## RendererChange on is called for ${i} ##`);
+    console.info(`StreamId for ${i} is: ${AudioRendererChangeInfoArray[i].streamId}`);
+    console.info(`ClientUid for ${i} is: ${AudioRendererChangeInfoArray[i].clientUid}`);
+    console.info(`Content for ${i} is: ${AudioRendererChangeInfoArray[i].rendererInfo.content}`);
+    console.info(`Stream for ${i} is: ${AudioRendererChangeInfoArray[i].rendererInfo.usage}`);
+    console.info(`Flag ${i} is: ${AudioRendererChangeInfoArray[i].rendererInfo.rendererFlags}`);
+    console.info(`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(`Id: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].id}`);
+  	  console.info(`Type: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceType}`);
+  	  console.info(`Role: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceRole}`);
+  	  console.info(`Name: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].name}`);
+  	  console.info(`Addr: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].address}`);
+  	  console.info(`SR: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]}`);
+  	  console.info(`C ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]}`);
+  	  console.info(`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(`ResultFlag for ${i} is: ${resultFlag}`);
     }
   }
 });
@@ -2274,31 +2267,30 @@ AudioCapturerChangeInfo数组，只读。
 import audio from '@ohos.multimedia.audio';
 
 const audioManager = audio.getAudioManager();
-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(`## CapChange on is called for element ${i} ##`);
+    console.info(`StrId for  ${i} is: ${AudioCapturerChangeInfoArray[i].streamId}`);
+    console.info(`CUid for ${i} is: ${AudioCapturerChangeInfoArray[i].clientUid}`);
+    console.info(`Src 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(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(`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(`Addr: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].address}`);
+      console.info(`SR: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]}`);
+      console.info(`C ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]}`);
+      console.info(`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(`ResultFlag for element ${i} is: ${resultFlag}`);
+    }
   }
 });
 ```
@@ -2338,12 +2330,12 @@ 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.error('AudioFrameworkTest: Promise: getDevices : OUTPUT_DEVICES_FLAG :  FAIL');
   }
 });
 ```
@@ -2384,10 +2376,10 @@ 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.info('Renderer GetRendererInfo:');
+  console.info(`Renderer content: ${rendererInfo.content}`);
+  console.info(`Renderer usage: ${rendererInfo.usage}`);
+  console.info(`Renderer flags: ${rendererInfo.rendererFlags}`);
 });
 ```
 
@@ -2408,15 +2400,13 @@ getRendererInfo(): Promise<AudioRendererInfo\>
 **示例：**
 
 ```
-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.info('Renderer GetRendererInfo:');
+  console.info(`Renderer content: ${rendererInfo.content}`);
+  console.info(`Renderer usage: ${rendererInfo.usage}`);
+  console.info(`Renderer flags: ${rendererInfo.rendererFlags}`)
 }).catch((err) => {
-  console.log(`AudioFrameworkRenderLog: RendererInfo :ERROR: ` + err.message);
-  resultFlag = false;
+  console.error(`AudioFrameworkRenderLog: RendererInfo :ERROR: ${err.message}`);
 });
 ```
 
@@ -2438,11 +2428,11 @@ 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.info('Renderer GetStreamInfo:');
+  console.info(`Renderer sampling rate: ${streamInfo.samplingRate}`);
+  console.info(`Renderer channel: ${streamInfo.channels}`);
+  console.info(`Renderer format: ${streamInfo.sampleFormat}`);
+  console.info(`Renderer encoding type: ${streamInfo.encodingType}`);
 });
 ```
 
@@ -2464,13 +2454,13 @@ 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.info('Renderer GetStreamInfo:');
+  console.info(`Renderer sampling rate: ${streamInfo.samplingRate}`);
+  console.info(`Renderer channel: ${streamInfo.channels}`);
+  console.info(`Renderer format: ${streamInfo.sampleFormat}`);
+  console.info(`Renderer encoding type: ${streamInfo.encodingType}`);
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2493,9 +2483,9 @@ 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 +2508,9 @@ start(): Promise<void\>
 
 ```
 audioRenderer.start().then(() => {
-  console.log(`Renderer started`);
+  console.info('Renderer started');
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2543,9 +2533,9 @@ 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.info('Renderer paused.');
   }
 });
 ```
@@ -2568,9 +2558,9 @@ pause(): Promise\<void>
 
 ```
 audioRenderer.pause().then(() => {
-  console.log(`Renderer paused`);
+  console.info('Renderer paused');
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2593,9 +2583,9 @@ 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.info('Renderer drained.');
   }
 });
 ```
@@ -2618,9 +2608,9 @@ drain(): Promise\<void>
 
 ```
 audioRenderer.drain().then(() => {
-  console.log(`Renderer drained successfully`);
+  console.info('Renderer drained successfully');
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2643,9 +2633,9 @@ 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.info('Renderer stopped.');
   }
 });
 ```
@@ -2668,9 +2658,9 @@ stop(): Promise\<void>
 
 ```
 audioRenderer.stop().then(() => {
-  console.log(`Renderer stopped successfully`);
+  console.info('Renderer stopped successfully');
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2693,9 +2683,9 @@ 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.info('Renderer released.');
   }
 });
 ```
@@ -2718,9 +2708,9 @@ release(): Promise\<void>
 
 ```
 audioRenderer.release().then(() => {
-  console.log(`Renderer released successfully`);
+  console.info('Renderer released successfully');
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2766,29 +2756,29 @@ 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.error(`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.error.(`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.info(`Actual written bytes: ${writtenbytes}`);
   }
 });
 ```
@@ -2834,18 +2824,18 @@ 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.error(`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';
@@ -2854,12 +2844,12 @@ 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.info(`Actual written bytes: ${writtenbytes}`);
   }
 }).catch((err) => {
-    console.log(`ERROR: ` + err.message);
+    console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2881,7 +2871,7 @@ getAudioTime(callback: AsyncCallback\<number>): void
 
 ```
 audioRenderer.getAudioTime((err, timestamp) => {
-  console.log(`Current timestamp: ` + timestamp);
+  console.info(`Current timestamp: ${timestamp}`);
 });
 ```
 
@@ -2903,9 +2893,9 @@ getAudioTime(): Promise\<number>
 
 ```
 audioRenderer.getAudioTime().then((timestamp) => {
-  console.log(`Current timestamp: ` + timestamp);
+  console.info(`Current timestamp: ${timestamp}`);
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -2928,7 +2918,7 @@ getBufferSize(callback: AsyncCallback\<number>): void
 ```
 var bufferSize = audioRenderer.getBufferSize(async(err, bufferSize) => {
   if (err) {
-    console.error(`getBufferSize error`);
+    console.error('getBufferSize error');
   }
 });
 ```
@@ -2975,14 +2965,14 @@ 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);
+  console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
   bufferSize = data;
 }).catch((err) => {
-  console.info(`AudioFrameworkRenderLog: getBufferSize: ERROR: ` + err.message);
+  console.error(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err.message}`);
 });
 ```
 
@@ -3006,9 +2996,9 @@ 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.info('Callback invoked to indicate a successful render rate setting.');
   }
 });
 ```
@@ -3037,9 +3027,9 @@ setRenderRate(rate: AudioRendererRate): Promise\<void>
 
 ```
 audioRenderer.setRenderRate(audio.AudioRendererRate.RENDER_RATE_NORMAL).then(() => {
-  console.log(`setRenderRate SUCCESS`);
+  console.info('setRenderRate SUCCESS');
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 
@@ -3061,7 +3051,7 @@ getRenderRate(callback: AsyncCallback\<AudioRendererRate>): void
 
 ```
 audioRenderer.getRenderRate((err, renderrate) => {
-  console.log(`getRenderRate: ` + renderrate);
+  console.info(`getRenderRate: ${renderrate}`);
 });
 ```
 
@@ -3083,9 +3073,9 @@ getRenderRate(): Promise\<AudioRendererRate>
 
 ```
 audioRenderer.getRenderRate().then((renderRate) => {
-  console.log(`getRenderRate: ` + renderRate);
+  console.info(`getRenderRate: ${renderRate}`);
 }).catch((err) => {
-  console.log(`ERROR: ` + err.message);
+  console.error(`ERROR: ${err.message}`);
 });
 ```
 ### setInterruptMode<sup>9+</sup>
@@ -3129,9 +3119,9 @@ var audioRendererOptions = {
 let audioRenderer = await audio.createAudioRenderer(audioRendererOptions);
 let mode = 0;
 audioRenderer.setInterruptMode(mode).then(data=>{
-  console.log(`setInterruptMode Success!`);
-}).catch(err=>{
-  console.log(`setInterruptMode Fail:` + err.message);
+  console.info('setInterruptMode Success!');
+}).catch((err) => {
+  console.error(`setInterruptMode Fail: ${err.message}`);
 });
 ```
 ### setInterruptMode<sup>9+</sup>
@@ -3171,9 +3161,9 @@ let audioRenderer = await audio.createAudioRenderer(audioRendererOptions);
 let mode = 1;
 audioRenderer.setInterruptMode(mode, (err, data)=>{
   if(err){
-    console.log(`setInterruptMode Fail:` + err.message);
+    console.error(`setInterruptMode Fail: ${err.message}`);
   }
-  console.log(`setInterruptMode Success!`);
+  console.info('setInterruptMode Success!');
 });
 ```
 ### on('interrupt')<sup>9+</sup>
@@ -3200,40 +3190,40 @@ 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.info('Force paused. Stop writing');
         isPlay = false;
         break;
       case audio.InterruptHint.INTERRUPT_HINT_STOP:
-        console.log(`Force stopped. Stop writing`);
+        console.info('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.info('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.error(`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');
+        console.info('Choose to pause or ignore');
         if (isPlay == true) {
           isPlay == false;
-          console.info(`AudioInterruptMusic: Media PAUSE : TRUE`);
+          console.info('AudioInterruptMusic: Media PAUSE : TRUE');
         } else {
           isPlay = true;
-          console.info(`AudioInterruptMusic: Media PLAY : TRUE`);
+          console.info('AudioInterruptMusic: Media PLAY : TRUE');
         }
         break;
     }
@@ -3262,7 +3252,7 @@ on(type: 'markReach', frame: number, callback: (position: number) => {}): void
 ```
 audioRenderer.on('markReach', 1000, (position) => {
   if (position == 1000) {
-    console.log(`ON Triggered successfully`);
+    console.info('ON Triggered successfully');
   }
 });
 ```
@@ -3309,7 +3299,7 @@ on(type: "periodReach", frame: number, callback: (position: number) => {}): void
 ```
 audioRenderer.on('periodReach', 1000, (position) => {
   if (position == 1000) {
-    console.log(`ON Triggered successfully`);
+    console.info('ON Triggered successfully');
   }
 });
 ```
@@ -3354,10 +3344,10 @@ on(type: 'stateChange', callback: Callback<AudioState\>): void
 ```
 audioRenderer.on('stateChange', (state) => {
   if (state == 1) {
-    console.log(`audio renderer state is: STATE_PREPARED`);
+    console.info('audio renderer state is: STATE_PREPARED');
   }
   if (state == 2) {
-    console.log(`audio renderer state is: STATE_RUNNING`);
+    console.info('audio renderer state is: STATE_RUNNING');
   }
 });
 ```
@@ -3399,11 +3389,11 @@ 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.info('Capturer getCapturerInfo:');
+    console.info(`Capturer source: ${capturerInfo.source}`);
+    console.info(`Capturer flags: ${capturerInfo.capturerFlags}`);
   }
 });
 ```
@@ -3428,15 +3418,15 @@ 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.error(`AudioFrameworkRecLog: CapturerInfo :ERROR: ${err.message}`);
 });
 ```
 
@@ -3459,13 +3449,13 @@ 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.info('Capturer GetStreamInfo:');
+    console.info(`Capturer sampling rate: ${streamInfo.samplingRate}`);
+    console.info(`Capturer channel: ${streamInfo.channels}`);
+    console.info(`Capturer format: ${streamInfo.sampleFormat}`);
+    console.info(`Capturer encoding type: ${streamInfo.encodingType}`);
   }
 });
 ```
@@ -3488,13 +3478,13 @@ 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.error(`getStreamInfo :ERROR: ${err.message}`);
 });
 ```
 
@@ -3517,9 +3507,9 @@ 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.');
   }
 });
 ```
@@ -3561,20 +3551,20 @@ 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);
+  console.info(`AudioFrameworkRecLog: Capturer start :ERROR : ${err.message}`);
   stateFlag = false;
 });
 ```
@@ -3598,9 +3588,9 @@ 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.info('Capturer stopped.');
   }
 });
 ```
@@ -3624,13 +3614,13 @@ 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}`);
 });
 ```
 
@@ -3653,9 +3643,9 @@ 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.info('capturer released.');
   }
 });
 ```
@@ -3680,12 +3670,12 @@ 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}`);
 });
 ```
 
@@ -3711,14 +3701,14 @@ 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.error(`AudioFrameworkRecLog: getBufferSize: EROOR: ${err.message}`);
   });
 audioCapturer.read(bufferSize, true, async(err, buffer) => {
   if (!err) {
-    console.log(`Success in reading the buffer data`);
+    console.info('Success in reading the buffer data');
   }
 });
 ```
@@ -3750,16 +3740,16 @@ 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}`);
 });
 ```
 
@@ -3782,7 +3772,7 @@ getAudioTime(callback: AsyncCallback<number\>): void
 
 ```
 audioCapturer.getAudioTime((err, timestamp) => {
-  console.log(`Current timestamp: ` + timestamp);
+  console.info(`Current timestamp: ${timestamp}`);
 });
 ```
 
@@ -3805,9 +3795,9 @@ 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}`);
 });
 ```
 
@@ -3831,11 +3821,11 @@ getBufferSize(callback: AsyncCallback<number\>): void
 ```
 audioCapturer.getBufferSize((err, bufferSize) => {
   if (!err) {
-    console.log(`BufferSize : ` + bufferSize);
+    console.info(`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.error(`AudioFrameworkRecLog: AudioCapturer Created : ERROR : ${err.message}`);
     });
   }
 });
@@ -3861,10 +3851,10 @@ 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}`);
 });
 ```
 
@@ -3890,7 +3880,7 @@ on(type: 'markReach', frame: number, callback: (position: number) => {}): void
 ```
 audioCapturer.on('markReach', 1000, (position) => {
   if (position == 1000) {
-    console.log(`ON Triggered successfully`);
+    console.info('ON Triggered successfully');
   }
 });
 ```
@@ -3936,7 +3926,7 @@ on(type: "periodReach", frame: number, callback: (position: number) => {}): void
 ```
 audioCapturer.on('periodReach', 1000, (position) => {
   if (position == 1000) {
-    console.log(`ON Triggered successfully`);
+    console.info('ON Triggered successfully');
   }
 });
 ```
@@ -3981,10 +3971,10 @@ on(type: 'stateChange', callback: Callback<AudioState\>): void
 ```
 audioCapturer.on('stateChange', (state) => {
   if (state == 1) {
-    console.log(`audio capturer state is: STATE_PREPARED`);
+    console.info('audio capturer state is: STATE_PREPARED');
   }
   if (state == 2) {
-    console.log(`audio capturer state is: STATE_RUNNING`);
+    console.info('audio capturer state is: STATE_RUNNING');
   }
 });
 ```
\ No newline at end of file