Update docs against 19639+19641

Signed-off-by: wusongqing<wusongqing@huawei.com>

en/application-dev/media/audio-effect-management.md

@@ -109,7 +109,7 @@ Create an **AudioStreamManager** instance. Before using **AudioStreamManager** A
   ```js
   audioStreamManager.getAudioEffectInfoArray(audio.ContentType.CONTENT_TYPE_MUSIC, audio.StreamUsage.STREAM_USAGE_MEDIA, async (err, audioEffectInfoArray) => {
     if (err) {
-      console.error(`Failed to get effect info array`);
+      console.error('Failed to get effect info array');
       return;    
     } else {
       console.info(`getAudioEffectInfoArray: ${audioEffectInfoArray}`);

en/application-dev/reference/apis/js-apis-audio.md

@@ -3431,7 +3431,7 @@ audioStreamManager.getAudioEffectInfoArray(audio.ContentType.CONTENT_TYPE_MUSIC,
     console.error(`getAudioEffectInfoArray :ERROR: ${err}`);
     return;
   } else {
-    console.info(`The contentType of ${CONTENT_TYPE_MUSIC} and the streamUsage of ${STREAM_USAGE_MEDIA} 's effect modes are: ${audioEffectInfoArray}`);
+    console.info(`The effect modes are: ${audioEffectInfoArray}`);
   }
 });
 ```
@@ -3460,9 +3460,9 @@ Obtains information about the sound effect mode in use. This API uses a promise
 **Example**
 
 ```js
-audioStreamManager.getAudioEffectInfoArray().then((audioEffectInfoArray) => {
-  console.info(`getAudioEffectInfoArray ######### Get Promise is called ##########`);
-  console.info(`The contentType of ${CONTENT_TYPE_MUSIC} and the streamUsage of ${STREAM_USAGE_MEDIA} 's effect modes are: ${audioEffectInfoArray}`);
+audioStreamManager.getAudioEffectInfoArray(audio.ContentType.CONTENT_TYPE_MUSIC, audio.StreamUsage.STREAM_USAGE_MEDIA).then((audioEffectInfoArray) => {
+  console.info('getAudioEffectInfoArray ######### Get Promise is called ##########');
+  console.info(`The effect modes are: ${audioEffectInfoArray}`);
 }).catch((err) => {
   console.error(`getAudioEffectInfoArray :ERROR: ${err}`);
 });
@@ -4895,9 +4895,9 @@ async function getCacheDir(){
 }
 let filePath = path + '/StarWars10s-2C-48000-4SW.wav';
 let file = fs.openSync(filePath, fs.OpenMode.READ_ONLY);
-let stat = await fs.stat(path);
+let currStat = await fs.stat(path);
 let buf = new ArrayBuffer(bufferSize);
-let len = stat.size % bufferSize == 0 ? Math.floor(stat.size / bufferSize) : Math.floor(stat.size / bufferSize + 1);
+let len = currStat.size % bufferSize == 0 ? Math.floor(currStat.size / bufferSize) : Math.floor(currStat.size / bufferSize + 1);
 for (let i = 0;i < len; i++) {
     let options = {
       offset: i * bufferSize,
@@ -4949,9 +4949,9 @@ async function getCacheDir(){
 }
 let filePath = path + '/StarWars10s-2C-48000-4SW.wav';
 let file = fs.openSync(filePath, fs.OpenMode.READ_ONLY);
-let stat = await fs.stat(path);
+let currStat = await fs.stat(path);
 let buf = new ArrayBuffer(bufferSize);
-let len = stat.size % bufferSize == 0 ? Math.floor(stat.size / bufferSize) : Math.floor(stat.size / bufferSize + 1);
+let len = currStat.size % bufferSize == 0 ? Math.floor(currStat.size / bufferSize) : Math.floor(currStat.size / bufferSize + 1);
 for (let i = 0;i < len; i++) {
     let options = {
       offset: i * bufferSize,