diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
index 102a31761..276ff8ca1 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
@@ -758,8 +758,8 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
     }
 
     override fun onInfoAudioPcmData(mp: IMediaPlayer?, arrPcm: ByteArray?, length: Int) {
-        if (audioRecordUtil != null && length > 0 && speakAble) {
-            audioRecordUtil.setPlayerPcmData(arrPcm);
-        }
+//        if (audioRecordUtil != null && length > 0 && speakAble) {
+//            audioRecordUtil.setPlayerPcmData(arrPcm);
+//        }
     }
 }
\ No newline at end of file