diff --git a/client/janus_gateway_win/usocket_test/usocket_test.cpp b/client/janus_gateway_win/usocket_test/usocket_test.cpp
index 04fb09f..8dc8bc4 100644
--- a/client/janus_gateway_win/usocket_test/usocket_test.cpp
+++ b/client/janus_gateway_win/usocket_test/usocket_test.cpp
@@ -36,6 +36,21 @@
 #include "modules/video_capture/video_capture_factory.h"
 #include "peer_connection.h"
 
+
+#include "rtc_base/arraysize.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/logging.h"
+#include "rtc_base/stringutils.h"
+#include "rtc_base/win32socketserver.h"
+#include "rtc_base/win32socketinit.h"
+
+#include "third_party/libyuv/include/libyuv/convert_argb.h"
+
+#if defined(WEBRTC_WIN)
+#include "rtc_base/win32.h"
+#endif  // WEBRTC_WIN
+
+
 using namespace std;
 using namespace rtc;
 
@@ -122,8 +137,22 @@ class VideoRoomClient :
     public PeerConnectionCallback ,
     public sigslot::has_slots<>{
 public:
+
+
     VideoRoomClient() {
         mWsClient = new PeerConnectionWsClient();
+
+        m_network_thread = rtc::Thread::CreateWithSocketServer();
+        m_network_thread->SetName("network_thread", nullptr);
+        m_network_thread->Start();
+
+        m_worker_thread = rtc::Thread::Create();
+        m_worker_thread->SetName("worker_thread", nullptr);
+        m_worker_thread->Start();
+
+        m_signaling_thread = rtc::Thread::Create();
+        m_signaling_thread->SetName("signaling_thread", nullptr);
+        m_signaling_thread->Start();
     }
     void SendBitrateConstraint(long long int handleId) {
         std::string transactionID = RandomString(12);
@@ -232,7 +261,7 @@ public:
                         std::move(video_device), nullptr)));
             //main_wnd_->StartLocalRenderer(video_track_);
             //
-            m_peer_connection_map[handleId]->StartRenderer(MainWnd_, video_track_);
+            //m_peer_connection_map[handleId]->StartRenderer(MainWnd_, video_track_);
 
             result_or_error = m_peer_connection_map[handleId]->peer_connection_->AddTrack(video_track_, { kStreamId });
             if (!result_or_error.ok()) {
@@ -295,8 +324,10 @@ public:
 
         if (!peer_connection_factory_) {
             peer_connection_factory_ = webrtc::CreatePeerConnectionFactory(
-                nullptr /* network_thread */, nullptr /* worker_thread */,
-                nullptr /* signaling_thread */, nullptr /* default_adm */,
+                this->m_network_thread.get() /* network_thread */, 
+                this->m_worker_thread.get() /* worker_thread */,
+                this->m_signaling_thread.get() /* signaling_thread */,
+                nullptr /* default_adm */,
                 webrtc::CreateBuiltinAudioEncoderFactory(),
                 webrtc::CreateBuiltinAudioDecoderFactory(),
                 webrtc::CreateBuiltinVideoEncoderFactory(),
@@ -485,8 +516,47 @@ public:
         //beacause the thread is on UI,so shift thread to ws thread
         mWsClient->SendToJanusAsync(writer.write(jmessage));
     }
+    void trickleCandidate(long long int handleId, const webrtc::IceCandidateInterface* candidate) {
+        std::string transactionID = RandomString(12);
+        Json::StyledWriter writer;
+        Json::Value jmessage;
+        Json::Value jcandidate;
+
+        std::string sdp;
+        if (!candidate->ToString(&sdp)) {
+            RTC_LOG(LS_ERROR) << "Failed to serialize candidate";
+            return;
+        }
+
+        jcandidate["sdpMid"] = candidate->sdp_mid();
+        jcandidate["sdpMLineIndex"] = candidate->sdp_mline_index();
+        jcandidate["candidate"] = sdp;
+
+        jmessage["janus"] = "trickle";
+        jmessage["candidate"] = jcandidate;
+        jmessage["transaction"] = transactionID;
+        jmessage["session_id"] = m_SessionId;
+        jmessage["handle_id"] = handleId;
+        mWsClient->SendToJanusAsync(writer.write(jmessage));
+    }
+    void trickleCandidateComplete(long long int handleId) {
+        std::string transactionID = RandomString(12);
+        Json::StyledWriter writer;
+        Json::Value jmessage;
+        Json::Value jcandidate;
+
+        jcandidate["completed"] = true;
+
+        jmessage["janus"] = "trickle";
+        jmessage["candidate"] = jcandidate;
+        jmessage["transaction"] = transactionID;
+        jmessage["session_id"] = m_SessionId;
+        jmessage["handle_id"] = handleId;
+        mWsClient->SendToJanusAsync(writer.write(jmessage));
+    }
+
 protected:
-    virtual void PCSendSDP(long long int handleId, std::string sdpType, std::string sdp) {
+    void PCSendSDP(long long int handleId, std::string sdpType, std::string sdp) {
         if (sdpType == "offer") {
             SendOffer(handleId, sdpType, sdp);
         }
@@ -495,12 +565,19 @@ protected:
         }
     }
     virtual void PCQueueUIThreadCallback(int msg_id, void* data) {
-
+        std::cout << msg_id<<std::endl;
+        UIThreadCallback(msg_id,
+            data);
     }
     virtual void PCTrickleCandidate(long long int handleId, const webrtc::IceCandidateInterface* candidate) {
+        std::cout << "PCTrickleCandidate" << std::endl;
+        trickleCandidate(handleId, candidate);
+
     }
 
     virtual void PCTrickleCandidateComplete(long long int handleId) {
+        std::cout << "PCTrickleCandidateComplete" << std::endl;
+        trickleCandidateComplete(handleId);
     }
 
 
@@ -633,6 +710,9 @@ private:
         
     void KeepAlive()
     {
+        auto signaling_thread_ = rtc::Thread::Create();
+        signaling_thread_->SetName("signaling_thread", nullptr);
+        signaling_thread_->Start();
         if (m_SessionId > 0) {
             std::string transactionID = RandomString(12);
             Json::StyledWriter writer;
@@ -796,6 +876,11 @@ private:
     std::map<long long int, std::shared_ptr<JanusHandle>> m_handleMap;
     std::map<long long int, rtc::scoped_refptr<PeerConnection>> m_peer_connection_map;
     rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> peer_connection_factory_;
+    std::unique_ptr<Thread> m_signaling_thread;
+    std::unique_ptr<Thread> m_worker_thread;
+    std::unique_ptr<Thread> m_network_thread;
+
+
 };
 
 class ImplPeerConnectionWsClientObserver : 
@@ -811,10 +896,29 @@ public:
 
 int main()
 {
+    rtc::EnsureWinsockInit();
+    rtc::Win32SocketServer w32_ss;
+    rtc::Win32Thread w32_thread(&w32_ss);
+    rtc::ThreadManager::Instance()->SetCurrentThread(&w32_thread);
+
+    auto network_thread_ = rtc::Thread::CreateWithSocketServer();
+    network_thread_->SetName("network_thread", nullptr);
+    network_thread_->Start();
+
+    auto worker_thread_ = rtc::Thread::Create();
+    worker_thread_->SetName("worker_thread", nullptr);
+    worker_thread_->Start();
+
+    std::unique_ptr<Thread> signaling_thread_ = rtc::Thread::Create();
+    signaling_thread_->SetName("signaling_thread", nullptr);
+    signaling_thread_->Start();
+
     VideoRoomClient*client = new VideoRoomClient();
+
     client->ConectToServer("janusdemo.com", 8188);
     while (true) {
         Sleep(1000);
+
     }
 
 }