diff --git a/en/application-dev/media/audio-capturer.md b/en/application-dev/media/audio-capturer.md
index 539de6bb5c5a0723aa68a8994f7ee1970f393a3f..4202b8ea4d78e9c38f43fc77bf7ea503712340d8 100644
--- a/en/application-dev/media/audio-capturer.md
+++ b/en/application-dev/media/audio-capturer.md
@@ -21,7 +21,7 @@ This following figure shows the audio capturer state transitions.
 
 ## Constraints
 
-Before developing the audio data collection feature, configure the **ohos.permission.MICROPHONE** permission for your application. For details about permission configuration, see [Permission Application Guide](../security/accesstoken-guidelines.md).
+Before developing the audio data collection feature, configure the **ohos.permission.MICROPHONE** permission for your application. For details, see [Permission Application Guide](../security/accesstoken-guidelines.md#declaring-permissions-in-the-configuration-file).
 
 ## How to Develop
 
@@ -178,16 +178,16 @@ For details about the APIs, see [AudioCapturer in Audio Management](../reference
    
    // Obtain the audio capturer information.
    let audioCapturerInfo : audio.AuduioCapturerInfo = await audioCapturer.getCapturerInfo();
-
+   
    // Obtain the audio stream information.
    let audioStreamInfo : audio.AudioStreamInfo = await audioCapturer.getStreamInfo();
-
+   
    // Obtain the audio stream ID.
    let audioStreamId : number = await audioCapturer.getAudioStreamId();
-
+   
    // Obtain the Unix timestamp, in nanoseconds.
    let audioTime : number = await audioCapturer.getAudioTime();
-
+   
    // Obtain a proper minimum buffer size.
    let bufferSize : number = await audioCapturer.getBuffersize();
    ```
diff --git a/en/application-dev/media/audio-volume-manager.md b/en/application-dev/media/audio-volume-manager.md
index 2063e831f886ae3e6e1fe0a5bd428da194d00227..28ed3dcbc8709609d092a96065a70996b4f487b5 100644
--- a/en/application-dev/media/audio-volume-manager.md
+++ b/en/application-dev/media/audio-volume-manager.md
@@ -16,7 +16,7 @@ The figure below shows the common APIs provided by the **AudioVolumeManager** mo
 
 ## Constraints
 
-Before developing a microphone management application, configure the permission **ohos.permission.MICROPHONE** for the application. To set the microphone state, configure the permission **ohos.permission.MANAGE_AUDIO_CONFIG** (a system permission). For details about the permission configuration, see [Permission Application Guide](../security/accesstoken-guidelines.md).
+Before developing a microphone management application, configure the permission **ohos.permission.MICROPHONE** for the application. To set the microphone state, configure the permission **ohos.permission.MANAGE_AUDIO_CONFIG** (a system permission). For details, see [Permission Application Guide](../security/accesstoken-guidelines.md#declaring-permissions-in-the-configuration-file).
 
 ## How to Develop
 
@@ -38,7 +38,7 @@ For details about the APIs, see [AudioVolumeManager in Audio Management](../refe
 
 2. (Optional) Obtain the volume information and ringer mode.
    
-   To obtain the volume information (such as the ringtone, voice call, media, and voice assistant) of an audio stream or obtain the ringer mode (silent, vibration, or normal) of the current device, refer to the code below. For more details, see [Audio Management](../reference/apis/js-apis-audio.md).
+   To obtain the volume information of an audio stream (such as the ringtone, voice call, media, and voice assistant) or obtain the ringer mode (silent, vibration, or normal) of the current device, refer to the code below. For more details, see [Audio Management](../reference/apis/js-apis-audio.md).
 
    ```js
    import audio from '@ohos.multimedia.audio';
@@ -89,34 +89,34 @@ For details about the APIs, see [AudioVolumeManager in Audio Management](../refe
      var audioVolumeGroupManager = await audio.getAudioManager().getVolumeManager().getVolumeGroupManager(groupid);
      console.info('audioVolumeGroupManager create success.');
    }
-
+   
    async on() {   // Subscribe to microphone state changes.
      await loadVolumeGroupManager();
      await audioVolumeGroupManager.audioVolumeGroupManager.on('micStateChange', (micStateChange) => {
        console.info(`Current microphone status is: ${micStateChange.mute} `);
      });
    }
-
+   
    async isMicrophoneMute() { // Check whether the microphone is muted.
      await audioVolumeGroupManager.audioVolumeGroupManager.isMicrophoneMute().then((value) => {
        console.info(`isMicrophoneMute is: ${value}.`);
      });
    }
- 
+    
    async setMicrophoneMuteTrue() { // Mute the microphone.
      await loadVolumeGroupManager();
      await audioVolumeGroupManager.audioVolumeGroupManager.setMicrophoneMute(true).then(() => {
        console.info('setMicrophoneMute to mute.');
      });
    }
- 
+    
    async setMicrophoneMuteFalse() { // Unmute the microphone.
      await loadVolumeGroupManager();
      await audioVolumeGroupManager.audioVolumeGroupManager.setMicrophoneMute(false).then(() => {
        console.info('setMicrophoneMute to not mute.');
      });
    }
-   async test(){  // Complete process: Subscribe to microphone state changes, obtain the microphone state, mute the microphone, obtain the microphone state, and unmute the microphone.
+   async test(){  // Complete process: Subscribe to microphone state changes, obtain the microphone state, mute the microphone, obtain the microphone state, and then unmute the microphone.
      await on();
      await isMicrophoneMute();
      await setMicrophoneMuteTrue();