diff --git a/services/screenservice/sinkservice/screenregionmgr/2.0/src/screenregion.cpp b/services/screenservice/sinkservice/screenregionmgr/2.0/src/screenregion.cpp
index 413cf2ac41d91269cfd59ab2cc6aac6602d0646d..139bf2001c9e19fd994e37c627adb9a31f13493d 100644
--- a/services/screenservice/sinkservice/screenregionmgr/2.0/src/screenregion.cpp
+++ b/services/screenservice/sinkservice/screenregionmgr/2.0/src/screenregion.cpp
@@ -27,6 +27,7 @@
 #include "screen.h"
 #include "screen_client.h"
 #include "screen_client_common.h"
+#include "2.0/include/screenregionmgr.h"
 
 namespace OHOS {
 namespace DistributedHardware {
@@ -115,12 +116,10 @@ int32_t ScreenRegion::StopReceiverEngine()
 {
     DHLOGI("StopReceiverEngine, remoteDevId: %s, screenId is: %" PRIu64,
         GetAnonyString(remoteDevId_).c_str(), screenId_);
-
     int32_t ret = ScreenClient::GetInstance().RemoveWindow(windowId_);
     if (ret != DH_SUCCESS) {
         DHLOGE("remove window failed.");
     }
-
     if (receiverAdapter_ == nullptr) {
         DHLOGE("av transport receiver adapter is null.");
         return ERR_DH_AV_TRANS_NULL_VALUE;
@@ -242,9 +241,10 @@ void ScreenRegion::PublishMessage(const DHTopic topic, const uint64_t &screenId,
 
 void ScreenRegion::OnEngineEvent(DScreenEventType event, const std::string &content)
 {
-    (void)content;
     if (event == DScreenEventType::ENGINE_ERROR) {
         StopReceiverEngine();
+    } else if (event == DScreenEventType::TRANS_CHANNEL_CLOSED) {
+        ScreenRegionManager::GetInstance().DestoryDScreenRegion(content);
     }
 }
 
diff --git a/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp b/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp
index 9b53d9efda63cacf5a6b43af7b1a8968e1f21ef3..ce9557a0c0ac8972afc862f20b9a5f74c9eeb693 100644
--- a/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp
+++ b/services/screenservice/sourceservice/dscreenmgr/2.0/src/dscreen.cpp
@@ -547,7 +547,6 @@ int32_t DScreen::ChooseCodecType(const std::vector<VideoEncoder> &localVideoEnco
     return DH_SUCCESS;
 }
 
-
 void DScreen::TaskThreadLoop()
 {
     DHLOGI("DScreen taskThread start. devId: %s, dhId: %s", GetAnonyString(devId_).c_str(),
diff --git a/services/screentransport/screensourcetrans/include/screen_source_trans.h b/services/screentransport/screensourcetrans/include/screen_source_trans.h
index dbc0f6affa82b434602106debd54d7d14361574a..c0b8c0ec27de288c9596de09752976073b1aab2d 100644
--- a/services/screentransport/screensourcetrans/include/screen_source_trans.h
+++ b/services/screentransport/screensourcetrans/include/screen_source_trans.h
@@ -71,7 +71,6 @@ private:
     std::condition_variable sessionCond_;
     std::condition_variable dataCond_;
     std::mutex dataQueueMtx_;
-    std::thread sendDataThread_;
 
     bool isChannelReady_ = false;
     sptr<Surface> consumerSurface_;
diff --git a/services/screentransport/screensourcetrans/src/screen_source_trans.cpp b/services/screentransport/screensourcetrans/src/screen_source_trans.cpp
index 7802c84b14b9aeeb7d74b8ed223c1fb1b1708a25..2e1c8d7da6711d6773a49aca4446e8a53014ef52 100644
--- a/services/screentransport/screensourcetrans/src/screen_source_trans.cpp
+++ b/services/screentransport/screensourcetrans/src/screen_source_trans.cpp
@@ -162,6 +162,7 @@ int32_t ScreenSourceTrans::Stop()
         }
     }
 
+    isChannelReady_ = false;
     StartTrace(DSCREEN_HITRACE_LABEL, DSCREEN_SOURCE_CLOSE_SESSION_START);
     ret = screenChannel_->CloseSession();
     FinishTrace(DSCREEN_HITRACE_LABEL);
@@ -169,10 +170,6 @@ int32_t ScreenSourceTrans::Stop()
         DHLOGD("%s: Close Session failed ret: %" PRId32, LOG_TAG, ret);
         stopStatus = false;
     }
-    isChannelReady_ = false;
-    if (sendDataThread_.joinable()) {
-        sendDataThread_.join();
-    }
 
     if (!stopStatus) {
         DHLOGE("%s: Stop source trans failed.", LOG_TAG);
@@ -358,7 +355,7 @@ void ScreenSourceTrans::OnSessionOpened()
 
     isChannelReady_ = true;
     DHLOGI("%s: Start thread.", LOG_TAG);
-    sendDataThread_ = std::thread(&ScreenSourceTrans::FeedChannelData, this);
+    std::thread(&ScreenSourceTrans::FeedChannelData, this).detach();
     std::unique_lock<std::mutex> lck(sessionMtx_);
     sessionCond_.notify_all();
 }
@@ -367,9 +364,6 @@ void ScreenSourceTrans::OnSessionClosed()
 {
     DHLOGI("%s: OnChannelSessionClosed.", LOG_TAG);
     isChannelReady_ = false;
-    if (sendDataThread_.joinable()) {
-        sendDataThread_.join();
-    }
 
     std::shared_ptr<IScreenSourceTransCallback> callback = transCallback_.lock();
     if (callback == nullptr) {