diff --git a/media/audio/ohos/ohos_audio_output_stream.cc b/media/audio/ohos/ohos_audio_output_stream.cc
index 19c9f8562da9684b81349235c327de228286a1ae..8f54c8d326336a7001645247efc0ed784ca4ab7a 100644
--- a/media/audio/ohos/ohos_audio_output_stream.cc
+++ b/media/audio/ohos/ohos_audio_output_stream.cc
@@ -304,6 +304,7 @@ void OHOSAudioOutputStream::Start(AudioSourceCallback* callback) {
     active_buffer_index_ = (active_buffer_index_ + 1) % kMaxNumOfBuffersInQueue;
     if (callback_) {
       DCHECK(!timer_.IsRunning());
+      FlushData();
       PumpSamples();
     }
   }
@@ -321,7 +322,7 @@ void OHOSAudioOutputStream::Stop() {
     LOG(DEBUG) << "OHOSAudioOutputStream::Stop cannot continue.";
     return;
   }
-  if (!audio_renderer_->Stop()) {
+  if (!audio_renderer_->Pause()) {
     ReportError();
   }
 }
@@ -514,7 +515,7 @@ void OHOSAudioOutputStream::PumpSamples() {
               base::BindOnce(&content::MediaSessionImpl::Suspend, weakMediaSession_,
                              content::MediaSession::SuspendType::kSystem));
         } else {
-          LOG(INFO) << "MediaSession is suspended";
+          LOG(DEBUG) << "MediaSession is suspended";
           isSuspended_ = true;
         }
       } else {
@@ -613,4 +614,21 @@ void OHOSAudioOutputStream::ReleaseAudioBuffer() {
     }
   }
 }
+
+void OHOSAudioOutputStream::FlushData() {
+  base::TimeTicks now = base::TimeTicks::Now();
+  base::TimeDelta delay;
+  uint64_t latency = 0;
+  if (!audio_renderer_) {
+    LOG(INFO) << "OHOSAudioOutputStream::FlushData !audio_renderer_";
+    return;
+  }
+  audio_renderer_->GetLatency(latency);
+  delay = base::Microseconds(latency);
+  if (!callback_) {
+    LOG(INFO) << "OHOSAudioOutputStream::FlushData !callback_";
+    return;
+  }
+  callback_->OnMoreData(delay, now, {}, audio_bus_.get());
+}
 }  // namespace media
diff --git a/media/audio/ohos/ohos_audio_output_stream.h b/media/audio/ohos/ohos_audio_output_stream.h
index edea891ba378bad34d86226cdfd53988183782ae..be63b21dd003c444e55d7b9321bfeaee00b42698 100644
--- a/media/audio/ohos/ohos_audio_output_stream.h
+++ b/media/audio/ohos/ohos_audio_output_stream.h
@@ -115,6 +115,7 @@ class OHOSAudioOutputStream : public AudioOutputStream {
   bool GetInterruptMode();
   void SetInterruptMode(bool audioExclusive);
   bool GetAudioExclusive();
+  void FlushData();
 
  private:
   ~OHOSAudioOutputStream() override;
diff --git a/ohos_nweb/browser/performance_manager/policies/background_task_policy.cc b/ohos_nweb/browser/performance_manager/policies/background_task_policy.cc
index 2ae99e304db648dece2f38c006f0b1ec7a4c0a6a..24c4893803d7ee5d85894e2b47439015b32238d9 100644
--- a/ohos_nweb/browser/performance_manager/policies/background_task_policy.cc
+++ b/ohos_nweb/browser/performance_manager/policies/background_task_policy.cc
@@ -209,6 +209,12 @@ void BackgroundTaskPolicy::OnIsAudibleChanged(const PageNode* page_node) {
 }
 
 void BackgroundTaskPolicy::MaybeChangeBackgroundTask(const PageNode* page_node) {
+  LOG(INFO) << "BackgroundTaskPolicy::MaybeChangeBackgroundTask "
+      << " page_node=" << page_node
+      << " visible_page_num_: " << visible_page_num_
+      << " media_playing_num_: " << media_playing_num_
+      << " audio_state_num_: " << audio_state_num_
+      << " is_request_background_task_: " << is_request_background_task_;
   RequestBackgroundTaskReason reason =
       RequestBackgroundTaskReason::NO_CHANGE_BG_TASK;
   if (is_request_background_task_ &&