diff --git a/client/webrtc_demo/src/mainwindow.cpp b/client/webrtc_demo/src/mainwindow.cpp
index fe7f759..1b140f5 100644
--- a/client/webrtc_demo/src/mainwindow.cpp
+++ b/client/webrtc_demo/src/mainwindow.cpp
@@ -97,7 +97,7 @@ int WebrtcHanlder::InitWebrtc()
 
     webrtc::PeerConnectionInterface::RTCConfiguration config;
     config.sdp_semantics = webrtc::SdpSemantics::kUnifiedPlan;
-    config.enable_dtls_srtp = true;
+    config.enable_dtls_srtp = false;
     webrtc::PeerConnectionInterface::IceServer server;
     server.uri = "stun:stun.l.google.com:19302";  // stun服务器
     config.servers.push_back(server);
@@ -175,7 +175,7 @@ public:
 
 void WebrtcHanlder::SetRemoteSdp(QString sdp)
 {
-    qDebug()<<"recv" << sdp;
+    qDebug()<<"SetRemoteSdp" << sdp;
     auto doc  = QJsonDocument::fromJson(sdp.toUtf8());
     auto obj = doc.object();
     auto ssdp = obj["sdp"].toString();
@@ -219,6 +219,7 @@ void WebrtcHanlder::SetRemoteCandidate(QString scandidate)
     sdp_mlineindex = obj[kCandidateSdpMlineIndexName].toInt();
     sdp_mid = obj[kCandidateSdpMlineIndexName].toString().toStdString();
     sdps = obj[kCandidateSdpName].toString().toStdString();
+    qDebug()<<"remote candidate"<<sdp_mlineindex<<sdp_mid.c_str()<<sdps.c_str();
     webrtc::SdpParseError error;
     std::unique_ptr<webrtc::IceCandidateInterface> candidate(
         webrtc::CreateIceCandidate(sdp_mid, sdp_mlineindex, sdps, &error));
@@ -253,8 +254,13 @@ void WebrtcHanlder::OnSignalingChange(webrtc::PeerConnectionInterface::Signaling
 void WebrtcHanlder::OnAddTrack(rtc::scoped_refptr<webrtc::RtpReceiverInterface> receiver,
                                const std::vector<rtc::scoped_refptr<webrtc::MediaStreamInterface> > &streams)
 {
-    RTC_LOG(INFO) << __FUNCTION__ << " " << receiver->id();
-    OnRemoteTrack(receiver->track().release());
+    qDebug() << __FUNCTION__ << " " << receiver->id().c_str();
+    auto srcs = receiver->GetSources();
+    for (auto x : srcs){
+        qDebug()<<"sources "<<x.source_id();
+    }
+    if (receiver->track().release()->kind() == webrtc::MediaStreamTrackInterface::kVideoKind)
+        OnRemoteTrack(receiver->track().release());
 }
 
 void WebrtcHanlder::OnRemoveTrack(rtc::scoped_refptr<webrtc::RtpReceiverInterface> receiver)
@@ -276,6 +282,8 @@ void WebrtcHanlder::OnIceGatheringChange(webrtc::PeerConnectionInterface::IceGat
 
 void WebrtcHanlder::OnIceCandidate(const webrtc::IceCandidateInterface *candidate)
 {
+    qDebug() << __FUNCTION__ << " " <<candidate->sdp_mid().c_str()<< "  " <<candidate->sdp_mline_index();
+
     QJsonObject addr;
     addr.insert(kCandidateSdpMidName, candidate->sdp_mid().c_str());
     addr.insert(kCandidateSdpMlineIndexName,candidate->sdp_mline_index());
@@ -422,9 +430,8 @@ void MainWindow::on_track_add(webrtc::MediaStreamTrackInterface *data)
         auto* video_track = static_cast<webrtc::VideoTrackInterface*>(track);
         qDebug()<<"remote trackid is "<<video_track->id().c_str();
         remote_renderer_.reset(new VideoRenderer( 1, 1, video_track));
-        auto p = remote_renderer_.get();
 
-        connect((VideoRenderer*)(p),SIGNAL(UpdateFrame(rtc::scoped_refptr<webrtc::I420BufferInterface>&)),
+        connect((VideoRenderer*)(remote_renderer_.get()),SIGNAL(UpdateFrame(rtc::scoped_refptr<webrtc::I420BufferInterface>&)),
                 ui->openGLWidget,SLOT(CameraData(rtc::scoped_refptr<webrtc::I420BufferInterface> &)),
                 Qt::ConnectionType::QueuedConnection);
     }
@@ -543,6 +550,7 @@ static void RawToBmp(unsigned char *pRawImage, int ImageHeight, int ImageWidth,
 
 
 }
+
 void VideoRenderer::OnFrame(const webrtc::VideoFrame &video_frame)
 {
     {
@@ -552,7 +560,6 @@ void VideoRenderer::OnFrame(const webrtc::VideoFrame &video_frame)
         if (video_frame.rotation() != webrtc::kVideoRotation_0) {
             buffer = webrtc::I420Buffer::Rotate(*buffer, video_frame.rotation());
         }
-        SetSize(buffer->width(), buffer->height());
         RTC_DCHECK(image_ != NULL);
 //        libyuv::I420ToARGB(buffer->DataY(), buffer->StrideY(), buffer->DataU(),
 //            buffer->StrideU(), buffer->DataV(), buffer->StrideV(),
@@ -561,16 +568,18 @@ void VideoRenderer::OnFrame(const webrtc::VideoFrame &video_frame)
 //            buffer->width(), buffer->height());
 //        rgbadata(image_,
 //                 (uint64_t)(buffer->width()*buffer->height()*4));
-        //UpdateFrame(buffer);
         auto i420_buffer_ = video_frame.video_frame_buffer()->ToI420();
         auto type = video_frame.video_frame_buffer()->type();
-        libyuv::I420ToARGB(i420_buffer_->DataY(), i420_buffer_->StrideY(), i420_buffer_->DataU(),
-            i420_buffer_->StrideU(), i420_buffer_->DataV(), i420_buffer_->StrideV(),
-            image_,
-            i420_buffer_->width()*4,
-            i420_buffer_->width(), i420_buffer_->height());
-        RawToBmp(image_,i420_buffer_->height(),i420_buffer_->width(),32,"d://sss2.bmp");
-        qDebug()<<"local size: "<<i420_buffer_->width() << i420_buffer_->height();
+        SetSize(i420_buffer_->width(), i420_buffer_->height());
+        UpdateFrame(buffer);
+
+//        libyuv::I420ToARGB(i420_buffer_->DataY(), i420_buffer_->StrideY(), i420_buffer_->DataU(),
+//            i420_buffer_->StrideU(), i420_buffer_->DataV(), i420_buffer_->StrideV(),
+//            image_,
+//            i420_buffer_->width()*4,
+//            i420_buffer_->width(), i420_buffer_->height());
+//        RawToBmp(image_,i420_buffer_->height(),i420_buffer_->width(),32,"d://sss2.bmp");
+//        qDebug()<<"local size: "<<i420_buffer_->width() << i420_buffer_->height();
 
     }
 }
diff --git a/client/webrtc_demo/src/mainwindow.ui b/client/webrtc_demo/src/mainwindow.ui
index 080696d..35bab6c 100644
--- a/client/webrtc_demo/src/mainwindow.ui
+++ b/client/webrtc_demo/src/mainwindow.ui
@@ -73,7 +73,7 @@
       <item>
        <widget class="QLineEdit" name="lineEdit_2">
         <property name="text">
-         <string>ws://127.0.0.1:9555/ws</string>
+         <string>ws://192.168.5.192:9555/ws</string>
         </property>
        </widget>
       </item>