diff --git a/entry/src/main/ets/component/ControlAreaComponent.ets b/entry/src/main/ets/component/ControlAreaComponent.ets
index 2ac3f7f39599daab3eaba769cea92a8da2d61a70..30ce165cf0d3b913005a616d488ccab504a29e6b 100644
--- a/entry/src/main/ets/component/ControlAreaComponent.ets
+++ b/entry/src/main/ets/component/ControlAreaComponent.ets
@@ -180,6 +180,7 @@ export struct ControlAreaComponent {
   async audioCastControllerStateChange() {
     if (this.audioCastController) {
       this.currentTime = this.audioCastController.elapsedTime;
+      this.durationTime = this.songList[this.selectIndex].duration;
       this.volumeValue = this.audioCastController.volume;
       this.isPlay = this.audioCastController.state === avSession.PlaybackState.PLAYBACK_STATE_PLAY;
       if (this.audioCastController.state === avSession.PlaybackState.PLAYBACK_STATE_PREPARE) {
diff --git a/entry/src/main/ets/model/SongData.ets b/entry/src/main/ets/model/SongData.ets
index e1d1b2af83f1e8cc258efe09f95a8f7771b9e4ea..19b1c429d8ad0ab781f700d5ded075db5fd15d5b 100644
--- a/entry/src/main/ets/model/SongData.ets
+++ b/entry/src/main/ets/model/SongData.ets
@@ -45,6 +45,10 @@ export class SongItem {
    * albumCoverUri information.
    */
   albumCoverUri: string = '';
+  /**
+   * song duration.
+   */
+  duration: number = 0;
   /**
    * Tone Quality list information.
    */
diff --git a/entry/src/main/ets/model/SongListData.ets b/entry/src/main/ets/model/SongListData.ets
index 2a8dbee67776c52aa37079b8498d97a7926c3474..579c2b9a20c295191bd74b6211026ba955002d9b 100644
--- a/entry/src/main/ets/model/SongListData.ets
+++ b/entry/src/main/ets/model/SongListData.ets
@@ -24,6 +24,7 @@ const songList: SongItem[] = [
     pcmSrc: 'Delacey - Dream It Possible.pcm',
     lyric: 'lrcfiles/DreamItPossible.lrc',
     albumCoverUri: 'https://www-file.huawei.com/admin/asset/v1/pro/view/23eb4b8c0571484fb9bce7889aed4413.jpg',
+    duration: 204000,
     toneQualityList: [ToneQuality.SQ, ToneQuality.SPATIAL_AUDIO, ToneQuality.MASTER]
   },
   {
@@ -34,6 +35,7 @@ const songList: SongItem[] = [
     pcmSrc: 'boisterous.pcm',
     lyric: '',
     albumCoverUri: 'https://www-file.huawei.com/admin/asset/v1/pro/view/9240a42357da4644834897262b183b8d.jpg',
+    duration: 95291,
     toneQualityList: [ToneQuality.SQ, ToneQuality.SPATIAL_AUDIO, ToneQuality.MASTER]
   },
 ]