modify doc codes Signed-off-by: FULIZHONG<fulizhong1@huawei.com>

Signed-off-by: Nflz <fulizhong1@huawei.com>

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

@@ -45,14 +45,14 @@ createAVPlayer(callback: AsyncCallback\<AVPlayer>): void
 **示例：**
 
 ```js
-let avPlayer
+let avPlayer;
 
 media.createAVPlayer((error, video) => {
   if (video != null) {
     avPlayer = video;
     console.info('createAVPlayer success');
   } else {
-       console.info(`createAVPlayer fail, error:${error}`);
+    console.error(`createAVPlayer fail, error message:${error.message}`);
   }
 });
 ```
@@ -82,17 +82,17 @@ createAVPlayer(): Promise\<AVPlayer>
 **示例：**
 
 ```js
-let avPlayer
+let avPlayer;
 
 media.createAVPlayer().then((video) => {
   if (video != null) {
     avPlayer = video;
     console.info('createAVPlayer success');
   } else {
-       console.info('createAVPlayer fail');
+    console.error('createAVPlayer fail');
   }
 }).catch((error) => {
-   console.info(`AVPlayer catchCallback, error:${error}`);
+  console.error(`AVPlayer catchCallback, error message:${error.message}`);
 });
 ```
 
@@ -124,14 +124,14 @@ createAVRecorder(callback: AsyncCallback\<AVRecorder>): void
 **示例：**
 
 ```js
-let avRecorder
+let avRecorder;
 
 media.createAVRecorder((error, recorder) => {
   if (recorder != null) {
     avRecorder = recorder;
     console.info('createAVRecorder success');
   } else {
-       console.info(`createAVRecorder fail, error:${error}`);
+    console.error(`createAVRecorder fail, error message:${error.message}`);
   }
 });
 ```
@@ -164,17 +164,17 @@ createAVRecorder(): Promise\<AVRecorder>
 **示例：**
 
 ```js
-let avRecorder
+let avRecorder;
 
 media.createAVRecorder().then((recorder) => {
   if (recorder != null) {
     avRecorder = recorder;
     console.info('createAVRecorder success');
   } else {
-       console.info('createAVRecorder fail');
+    console.error('createAVRecorder fail');
   }
 }).catch((error) => {
-   console.info(`createAVRecorder catchCallback, error:${error}`);
+  console.error(`createAVRecorder catchCallback, error message:${error.message}`);
 });
 ```
 
@@ -206,14 +206,14 @@ createVideoRecorder(callback: AsyncCallback\<VideoRecorder>): void
 **示例：**
 
 ```js
-let videoRecorder
+let videoRecorder;
 
 media.createVideoRecorder((error, video) => {
   if (video != null) {
     videoRecorder = video;
     console.info('video createVideoRecorder success');
   } else {
-       console.info(`video createVideoRecorder fail, error:${error}`);
+    console.error(`video createVideoRecorder fail, error message:${error.message}`);
   }
 });
 ```
@@ -246,17 +246,17 @@ createVideoRecorder(): Promise\<VideoRecorder>
 **示例：**
 
 ```js
-let videoRecorder
+let videoRecorder;
 
 media.createVideoRecorder().then((video) => {
   if (video != null) {
     videoRecorder = video;
     console.info('video createVideoRecorder success');
   } else {
-       console.info('video createVideoRecorder fail');
+    console.error('video createVideoRecorder fail');
   }
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error message:${error.message}`);
 });
 ```
 
@@ -485,8 +485,8 @@ AVPlayer回调的**错误分类**<a name = error_info></a>可以分为以下几
 
 ```js
 avPlayer.on('error', (error) => {
-    console.info('error happened,and error message is :' + error.message)
-    console.info('error happened,and error code is :' + error.code)
+  console.error('error happened,and error message is :' + error.message)
+  console.error('error happened,and error code is :' + error.code)
 })
 ```
 
@@ -933,7 +933,7 @@ getTrackDescription(callback: AsyncCallback\<Array\<MediaDescription>>): void
 **示例：**
 
 ```js
-printfDescription(obj) {
+function printfDescription(obj) {
   for (let item in obj) {
     let property = obj[item];
     console.info('audio key is ' + item);
@@ -979,7 +979,7 @@ getTrackDescription(): Promise\<Array\<MediaDescription>>
 ```js
 let arrayDescription;
 
-printfDescription(obj) {
+function printfDescription(obj) {
   for (let item in obj) {
     let property = obj[item];
     console.info('audio key is ' + item);
@@ -1140,7 +1140,7 @@ setBitrate(bitrate: number): void
 
 | 参数名  | 类型   | 必填 | 说明                                                         |
 | ------- | ------ | ---- | ------------------------------------------------------------ |
-| bitrate | number | 是   | 指定比特率，可以通过[availableBitrates](#availableBitrates_on)事件获得当前HLS协议流可用的比特率，如果用户指定的比特率不在此列表中，则播放器将从可用比特率列表中选择最小和最接近的比特率。如果通过availableBitrates时间获得的比特率列表长度为0，则不支持指定比特率，也不会产生bitrateDone回调。 |
+| bitrate | number | 是   | 指定比特率，可以通过[availableBitrates](#availableBitrates_on)事件获得当前HLS协议流可用的比特率，如果用户指定的比特率不在此列表中，则播放器将从可用比特率列表中选择最小和最接近的比特率。如果通过availableBitrates事件获得的比特率列表长度为0，则不支持指定比特率，也不会产生bitrateDone回调。 |
 
 **示例：**
 
@@ -1291,7 +1291,7 @@ off(type: 'volumeChange'): void
 
 | 参数名 | 类型   | 必填 | 说明                                                         |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
-| type   | string | 是   | setVolume生效的事件回调类型，取消注册的事件：'availableBitrates'。 |
+| type   | string | 是   | setVolume生效的事件回调类型，取消注册的事件：'volumeChange'。 |
 
 **示例：**
 
@@ -1772,7 +1772,7 @@ avRecorder.prepare(AVRecorderConfig, (err) => {
   if (err == null) {
     console.info('prepare success');
   } else {
-        console.info('prepare failed and error is ' + err.message);
+    console.error('prepare failed and error is ' + err.message);
   }
 })
 ```
@@ -1840,7 +1840,7 @@ let AVRecorderConfig = {
 avRecorder.prepare(AVRecorderConfig).then(() => {
   console.info('prepare success');
 }).catch((err) => {
-    console.info('prepare failed and catch error is ' + err.message);
+  console.error('prepare failed and catch error is ' + err.message);
 });
 
 ```
@@ -1883,7 +1883,7 @@ avRecorder.getInputSurface((err, surfaceId) => {
     console.info('getInputSurface success');
     surfaceID = surfaceId;
   } else {
-        console.info('getInputSurface failed and error is ' + err.message);
+    console.error('getInputSurface failed and error is ' + err.message);
   }
 });
 
@@ -1926,7 +1926,7 @@ avRecorder.getInputSurface().then((surfaceId) => {
   console.info('getInputSurface success');
   surfaceID = surfaceId;
 }).catch((err) => {
-    console.info('getInputSurface failed and catch error is ' + err.message);
+  console.error('getInputSurface failed and catch error is ' + err.message);
 });
 ```
 
@@ -1963,7 +1963,7 @@ avRecorder.start((err) => {
   if (err == null) {
     console.info('start AVRecorder success');
   } else {
-        console.info('start AVRecorder failed and error is ' + err.message);
+    console.error('start AVRecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2000,7 +2000,7 @@ start(): Promise\<void>
 avRecorder.start().then(() => {
   console.info('start AVRecorder success');
 }).catch((err) => {
-    console.info('start AVRecorder failed and catch error is ' + err.message);
+  console.error('start AVRecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -2037,7 +2037,7 @@ avRecorder.pause((err) => {
   if (err == null) {
     console.info('pause AVRecorder success');
   } else {
-        console.info('pause AVRecorder failed and error is ' + err.message);
+    console.error('pause AVRecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2074,7 +2074,7 @@ pause(): Promise\<void>
 avRecorder.pause().then(() => {
   console.info('pause AVRecorder success');
 }).catch((err) => {
-    console.info('pause AVRecorder failed and catch error is ' + err.message);
+  console.error('pause AVRecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -2111,7 +2111,7 @@ avRecorder.resume((err) => {
   if (err == null) {
     console.info('resume AVRecorder success');
   } else {
-        console.info('resume AVRecorder failed and error is ' + err.message);
+    console.error('resume AVRecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2148,7 +2148,7 @@ resume(): Promise\<void>
 avRecorder.resume().then(() => {
   console.info('resume AVRecorder success');
 }).catch((err) => {
-    console.info('resume AVRecorder failed and catch error is ' + err.message);
+  console.error('resume AVRecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -2187,7 +2187,7 @@ avRecorder.stop((err) => {
   if (err == null) {
     console.info('stop AVRecorder success');
   } else {
-        console.info('stop AVRecorder failed and error is ' + err.message);
+    console.error('stop AVRecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2226,7 +2226,7 @@ stop(): Promise\<void>
 avRecorder.stop().then(() => {
   console.info('stop AVRecorder success');
 }).catch((err) => {
-    console.info('stop AVRecorder failed and catch error is ' + err.message);
+  console.error('stop AVRecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -2262,7 +2262,7 @@ avRecorder.reset((err) => {
   if (err == null) {
     console.info('reset AVRecorder success');
   } else {
-        console.info('reset AVRecorder failed and error is ' + err.message);
+    console.error('reset AVRecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2298,7 +2298,7 @@ reset(): Promise\<void>
 avRecorder.reset().then(() => {
   console.info('reset AVRecorder success');
 }).catch((err) => {
-    console.info('reset AVRecorder failed and catch error is ' + err.message);
+  console.error('reset AVRecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -2333,7 +2333,7 @@ avRecorder.release((err) => {
   if (err == null) {
     console.info('release AVRecorder success');
   } else {
-        console.info('release AVRecorder failed and error is ' + err.message);
+    console.error('release AVRecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2368,7 +2368,7 @@ release(): Promise\<void>
 avRecorder.release().then(() => {
   console.info('release AVRecorder success');
 }).catch((err) => {
-    console.info('release AVRecorder failed and catch error is ' + err.message);
+  console.error('release AVRecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -2445,7 +2445,7 @@ on(type: 'error', callback: ErrorCallback): void
 
 ```js
 avRecorder.on('error', (err) => {
-    console.info('case avRecorder.on(error) called, errMessage is ' + err.message);
+  console.error('case avRecorder.on(error) called, errMessage is ' + err.message);
 });
 ```
 
@@ -2652,7 +2652,7 @@ videoRecorder.prepare(videoConfig, (err) => {
   if (err == null) {
     console.info('prepare success');
   } else {
-        console.info('prepare failed and error is ' + err.message);
+    console.error('prepare failed and error is ' + err.message);
   }
 })
 ```
@@ -2722,7 +2722,7 @@ let videoConfig = {
 videoRecorder.prepare(videoConfig).then(() => {
   console.info('prepare success');
 }).catch((err) => {
-    console.info('prepare failed and catch error is ' + err.message);
+  console.error('prepare failed and catch error is ' + err.message);
 });
 ```
 
@@ -2766,7 +2766,7 @@ videoRecorder.getInputSurface((err, surfaceId) => {
     console.info('getInputSurface success');
     surfaceID = surfaceId;
   } else {
-        console.info('getInputSurface failed and error is ' + err.message);
+    console.error('getInputSurface failed and error is ' + err.message);
   }
 });
 ```
@@ -2810,7 +2810,7 @@ videoRecorder.getInputSurface().then((surfaceId) => {
   console.info('getInputSurface success');
   surfaceID = surfaceId;
 }).catch((err) => {
-    console.info('getInputSurface failed and catch error is ' + err.message);
+  console.error('getInputSurface failed and catch error is ' + err.message);
 });
 ```
 
@@ -2850,7 +2850,7 @@ videoRecorder.start((err) => {
   if (err == null) {
     console.info('start videorecorder success');
   } else {
-        console.info('start videorecorder failed and error is ' + err.message);
+    console.error('start videorecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2890,7 +2890,7 @@ start(): Promise\<void>;
 videoRecorder.start().then(() => {
   console.info('start videorecorder success');
 }).catch((err) => {
-    console.info('start videorecorder failed and catch error is ' + err.message);
+  console.error('start videorecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -2930,7 +2930,7 @@ videoRecorder.pause((err) => {
   if (err == null) {
     console.info('pause videorecorder success');
   } else {
-        console.info('pause videorecorder failed and error is ' + err.message);
+    console.error('pause videorecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -2970,7 +2970,7 @@ pause(): Promise\<void>;
 videoRecorder.pause().then(() => {
   console.info('pause videorecorder success');
 }).catch((err) => {
-    console.info('pause videorecorder failed and catch error is ' + err.message);
+  console.error('pause videorecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -3008,7 +3008,7 @@ videoRecorder.resume((err) => {
   if (err == null) {
     console.info('resume videorecorder success');
   } else {
-        console.info('resume videorecorder failed and error is ' + err.message);
+    console.error('resume videorecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -3046,7 +3046,7 @@ resume(): Promise\<void>;
 videoRecorder.resume().then(() => {
   console.info('resume videorecorder success');
 }).catch((err) => {
-    console.info('resume videorecorder failed and catch error is ' + err.message);
+  console.error('resume videorecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -3086,7 +3086,7 @@ videoRecorder.stop((err) => {
   if (err == null) {
     console.info('stop videorecorder success');
   } else {
-        console.info('stop videorecorder failed and error is ' + err.message);
+    console.error('stop videorecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -3126,7 +3126,7 @@ stop(): Promise\<void>;
 videoRecorder.stop().then(() => {
   console.info('stop videorecorder success');
 }).catch((err) => {
-    console.info('stop videorecorder failed and catch error is ' + err.message);
+  console.error('stop videorecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -3162,7 +3162,7 @@ videoRecorder.release((err) => {
   if (err == null) {
     console.info('release videorecorder success');
   } else {
-        console.info('release videorecorder failed and error is ' + err.message);
+    console.error('release videorecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -3198,7 +3198,7 @@ release(): Promise\<void>;
 videoRecorder.release().then(() => {
   console.info('release videorecorder success');
 }).catch((err) => {
-    console.info('release videorecorder failed and catch error is ' + err.message);
+  console.error('release videorecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -3237,7 +3237,7 @@ videoRecorder.reset((err) => {
   if (err == null) {
     console.info('reset videorecorder success');
   } else {
-        console.info('reset videorecorder failed and error is ' + err.message);
+    console.error('reset videorecorder failed and error is ' + err.message);
   }
 });
 ```
@@ -3276,7 +3276,7 @@ reset(): Promise\<void>;
 videoRecorder.reset().then(() => {
   console.info('reset videorecorder success');
 }).catch((err) => {
-    console.info('reset videorecorder failed and catch error is ' + err.message);
+  console.error('reset videorecorder failed and catch error is ' + err.message);
 });
 ```
 
@@ -3309,7 +3309,7 @@ on(type: 'error', callback: ErrorCallback): void
 ```js
 // 当获取videoRecordState接口出错时通过此订阅事件上报
 videoRecorder.on('error', (error) => {                                  // 设置'error'事件回调
-    console.info(`audio error called, error: ${error}`); 
+  console.error(`audio error called, error: ${error}`); 
 })
 ```
 
@@ -3411,14 +3411,14 @@ createVideoPlayer(callback: AsyncCallback\<VideoPlayer>): void
 **示例：**
 
 ```js
-let videoPlayer
+let videoPlayer;
 
 media.createVideoPlayer((error, video) => {
   if (video != null) {
     videoPlayer = video;
     console.info('video createVideoPlayer success');
   } else {
-       console.info(`video createVideoPlayer fail, error:${error}`);
+    console.error(`video createVideoPlayer fail, error:${error}`);
   }
 });
 ```
@@ -3443,17 +3443,17 @@ createVideoPlayer(): Promise\<VideoPlayer>
 **示例：**
 
 ```js
-let videoPlayer
+let videoPlayer;
 
 media.createVideoPlayer().then((video) => {
   if (video != null) {
     videoPlayer = video;
     console.info('video createVideoPlayer success');
   } else {
-       console.info('video createVideoPlayer fail');
+    console.error('video createVideoPlayer fail');
   }
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -3812,7 +3812,7 @@ audioPlayer.on('finish', () => {               //设置'finish'事件回调
   audioPlayer.stop();                        //停止播放，并触发'stop'事件回调
 });
 audioPlayer.on('error', (error) => {           //设置'error'事件回调
-    console.info(`audio error called, error: ${error}`);
+  console.error(`audio error called, error: ${error}`);
 });
 
 // 用户选择音频设置fd(本地播放)
@@ -3877,7 +3877,7 @@ on(type: 'error', callback: ErrorCallback): void
 
 ```js
 audioPlayer.on('error', (error) => {      //设置'error'事件回调
-    console.info(`audio error called, error: ${error}`); 
+  console.error(`audio error called, error: ${error}`); 
 });
 audioPlayer.setVolume(3);  //设置volume为无效值，触发'error'事件
 ```
@@ -3948,7 +3948,7 @@ videoPlayer.setDisplaySurface(surfaceId, (err) => {
   if (err == null) {
     console.info('setDisplaySurface success!');
   } else {
-        console.info('setDisplaySurface fail!');
+    console.error('setDisplaySurface fail!');
   }
 });
 ```
@@ -3982,7 +3982,7 @@ let surfaceId = null;
 videoPlayer.setDisplaySurface(surfaceId).then(() => {
   console.info('setDisplaySurface success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4007,7 +4007,7 @@ videoPlayer.prepare((err) => {
   if (err == null) {
     console.info('prepare success!');
   } else {
-        console.info('prepare fail!');
+    console.error('prepare fail!');
   }
 });
 ```
@@ -4032,7 +4032,7 @@ prepare(): Promise\<void>
 videoPlayer.prepare().then(() => {
   console.info('prepare success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4057,7 +4057,7 @@ videoPlayer.play((err) => {
   if (err == null) {
     console.info('play success!');
   } else {
-        console.info('play fail!');
+    console.error('play fail!');
   }
 });
 ```
@@ -4082,7 +4082,7 @@ play(): Promise\<void>;
 videoPlayer.play().then(() => {
   console.info('play success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4132,7 +4132,7 @@ pause(): Promise\<void>
 videoPlayer.pause().then(() => {
   console.info('pause success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4157,7 +4157,7 @@ videoPlayer.stop((err) => {
   if (err == null) {
     console.info('stop success!');
   } else {
-        console.info('stop fail!');
+    console.error('stop fail!');
   }
 });
 ```
@@ -4182,7 +4182,7 @@ stop(): Promise\<void>
 videoPlayer.stop().then(() => {
   console.info('stop success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4207,7 +4207,7 @@ videoPlayer.reset((err) => {
   if (err == null) {
     console.info('reset success!');
   } else {
-        console.info('reset fail!');
+    console.error('reset fail!');
   }
 });
 ```
@@ -4232,7 +4232,7 @@ reset(): Promise\<void>
 videoPlayer.reset().then(() => {
   console.info('reset success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4259,7 +4259,7 @@ videoPlayer.seek(seekTime, (err, result) => {
   if (err == null) {
     console.info('seek success!');
   } else {
-        console.info('seek fail!');
+    console.error('seek fail!');
   }
 });
 ```
@@ -4289,7 +4289,7 @@ videoPlayer.seek(seekTime, media.SeekMode.SEEK_NEXT_SYNC, (err, result) => {
   if (err == null) {
     console.info('seek success!');
   } else {
-        console.info('seek fail!');
+    console.error('seek fail!');
   }
 });
 ```
@@ -4323,13 +4323,13 @@ let seekTime = 5000;
 videoPlayer.seek(seekTime).then((seekDoneTime) => { // seekDoneTime表示seek完成后的时间点
   console.info('seek success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 
 videoPlayer.seek(seekTime, media.SeekMode.SEEK_NEXT_SYNC).then((seekDoneTime) => {
   console.info('seek success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4356,7 +4356,7 @@ videoPlayer.setVolume(vol, (err, result) => {
   if (err == null) {
     console.info('setVolume success!');
   } else {
-        console.info('setVolume fail!');
+    console.error('setVolume fail!');
   }
 });
 ```
@@ -4388,7 +4388,7 @@ let vol = 0.5;
 videoPlayer.setVolume(vol).then(() => {
   console.info('setVolume success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4413,7 +4413,7 @@ videoPlayer.release((err) => {
   if (err == null) {
     console.info('release success!');
   } else {
-        console.info('release fail!');
+    console.error('release fail!');
   }
 });
 ```
@@ -4438,7 +4438,7 @@ release(): Promise\<void>
 videoPlayer.release().then(() => {
   console.info('release success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4543,7 +4543,7 @@ videoPlayer.setSpeed(speed, (err, result) => {
   if (err == null) {
     console.info('setSpeed success!');
   } else {
-        console.info('setSpeed fail!');
+    console.error('setSpeed fail!');
   }
 });
 ```
@@ -4577,7 +4577,7 @@ let speed = media.PlaybackSpeed.SPEED_FORWARD_2_00_X;
 videoPlayer.setSpeed(speed).then(() => {
   console.info('setSpeed success');
 }).catch((error) => {
-   console.info(`video catchCallback, error:${error}`);
+  console.error(`video catchCallback, error:${error}`);
 });
 ```
 
@@ -4694,7 +4694,7 @@ on(type: 'error', callback: ErrorCallback): void
 
 ```js
 videoPlayer.on('error', (error) => {      // 设置'error'事件回调
-    console.info(`video error called, error: ${error}`);
+  console.error(`video error called, error: ${error}`);
 });
 videoPlayer.url = 'fd://error';  //设置错误的播放地址，触发'error'事件
 ```
@@ -4948,7 +4948,7 @@ let audioRecorderConfig = {
   location : { latitude : 30, longitude : 130},
 }
 audioRecorder.on('error', (error) => {                                  // 设置'error'事件回调
-    console.info(`audio error called, error: ${error}`); 
+  console.error(`audio error called, error: ${error}`);
 });
 audioRecorder.prepare(audioRecorderConfig);                            // prepare不设置参数，触发'error'事件
 ```