diff --git a/examples/proto_debuger/new_monitor_form.cpp b/examples/proto_debuger/new_monitor_form.cpp
index 8506657e..2b2e9cb5 100644
--- a/examples/proto_debuger/new_monitor_form.cpp
+++ b/examples/proto_debuger/new_monitor_form.cpp
@@ -137,12 +137,13 @@ void NewMonitorForm::InitWindow()
 				int port = atoi(wstring2string(m_port_select->GetText()).c_str());
 				m_tcp_client = new TcpClientLibevent(wstring2string(m_ip_select->GetText()), port,nullptr);
 				if (m_tcp_client->Connected()) {
-					printf("连接成功\r\n");
 					TcpClientInfo* p = new TcpClientInfo;
 					p->ip = m_port_select->GetText();
 					p->port = port;
 					p->socket_fd = m_tcp_client->SocketFd();
 
+					printf("连接成功 %d \r\n", p->socket_fd);
+
 					auto succ = ::PostMessage(m_parent->GetHWND(),
 						WM_ADD_TCPCLIENT_MONITOR, (WPARAM)p, (LPARAM)m_tcp_client);
 					if (!succ) {
diff --git a/examples/proto_debuger/tcp_client.cpp b/examples/proto_debuger/tcp_client.cpp
index 122ebc64..c76e9841 100644
--- a/examples/proto_debuger/tcp_client.cpp
+++ b/examples/proto_debuger/tcp_client.cpp
@@ -7,6 +7,9 @@
 #include <stdio.h>
 #include <cstring>
 #include <string.h>
+#include <chrono>
+
+using namespace std::chrono;
 
 static void conn_writecb(struct bufferevent *, void *);
 static void conn_readcb(struct bufferevent *, void *);
@@ -26,9 +29,10 @@ int ThreadRun(TcpClientLibevent *p) {
         int ret = p->Dispatch();
         if (0 > ret){
         }
-        while ((p->mStatus != TcpClientLibevent::UNCONNECTED ))
+        while ((p->mStatus != TcpClientLibevent::STOP))
         {
-            if (p->mStatus == TcpClientLibevent::FAIL) {  //杩炴帴澶辫触,濡傛灉鏈夎缃嚜鍔ㄩ噸杩炲氨涓�鐩撮噸杩�
+            if ((p->mStatus == TcpClientLibevent::FAIL) ||
+                (p->mStatus == TcpClientLibevent::UNCONNECTED)){  //杩炴帴澶辫触,濡傛灉鏈夎缃嚜鍔ㄩ噸杩炲氨涓�鐩撮噸杩�
                 p->ConnectServer();
 #ifdef _WIN32
                 Sleep(100);
@@ -39,7 +43,6 @@ int ThreadRun(TcpClientLibevent *p) {
             ret = p->Dispatch();
         }
     }
-    p->mStatus = TcpClientLibevent::UNCONNECTED;
     return 0;
 }
 
@@ -82,11 +85,10 @@ void conn_eventcb(struct bufferevent *bev, short events, void *user_data)
 	}
     else if (events & BEV_EVENT_CONNECTED) {
         p->mSocketFD  = (uint64_t)event_get_fd(&(bev->ev_read));
-		printf("Connect succeed %d %d \n", p->mSocketFD, event_get_fd(&(bev->ev_write)));
         //瀹㈡埛绔摼鎺ユ垚鍔熷悗锛岀粰鏈嶅姟鍣ㄥ彂閫佺涓�鏉℃秷鎭�
         if (nullptr != p->mObserver)
             p->mObserver->OnConnected();
-            p->mStatus = TcpClientLibevent::UNCONNECTED;
+		p->mStatus = TcpClientLibevent::CONNECTED;
         return;
     }
     bufferevent_free(bev);
@@ -103,8 +105,8 @@ bool TcpClientLibevent::Connected() {
 }
 
 TcpClientLibevent::TcpClientLibevent(std::string addrinfo, int port, TcpClientLibevent::TcpClientObserver *p) :
-            mStatus(UNCONNECTED),
-            mObserver(nullptr)
+	mStatus(UNCONNECTED),
+	mObserver(nullptr)
 {
         memset(&mSrv, 0, sizeof(mSrv));
 #ifdef linux
@@ -127,33 +129,71 @@ TcpClientLibevent::TcpClientLibevent(std::string addrinfo, int port, TcpClientLi
 #else
         evthread_use_pthreads();
 #endif
-        ConnectServer();
         this->mThread = new thread(ThreadRun,this);
         this->mObserver = p;
         mByteRecv = 0;
         mByteSend = 0;
+
+		ConnectServerSync();
 }
 
 int TcpClientLibevent::ConnectServer() {
     printf("server conecting...\r\n");
     evthread_make_base_notifiable(mBase);
-    bev = bufferevent_socket_new(mBase, -1,
+    mBev = bufferevent_socket_new(mBase, -1,
                                  BEV_OPT_CLOSE_ON_FREE | BEV_OPT_THREADSAFE);
-    if (nullptr == bev) {
+    if (nullptr == mBev) {
         this->mStatus = TcpClientLibevent::FAIL;
         return - 1;
     }
-    bufferevent_setcb(bev, conn_readcb, conn_writecb, conn_eventcb, this);
-    int flag = bufferevent_socket_connect(bev, (struct sockaddr *)&mSrv, sizeof(mSrv));
-    bufferevent_enable(bev, EV_READ | EV_WRITE);
+    bufferevent_setcb(mBev, conn_readcb, conn_writecb, conn_eventcb, this);
+    int flag = bufferevent_socket_connect(mBev, (struct sockaddr *)&mSrv, sizeof(mSrv));
+    bufferevent_enable(mBev, EV_READ | EV_WRITE);
     if (-1 == flag) {
         this->mStatus = TcpClientLibevent::FAIL;
-        bufferevent_free(bev);
-        bev = nullptr;
+        bufferevent_free(mBev);
+        mBev = nullptr;
         printf("Connect failed\n");
         return -1;
     }
-    this->mStatus = TcpClientLibevent::CONNECTED;
+    this->mStatus = TcpClientLibevent::CONNECTING;
+    return 0;
+}
+
+int TcpClientLibevent::ConnectServerSync()
+{
+	evthread_make_base_notifiable(mBase);
+    if (nullptr != mBev)
+    {
+        delete mBev;
+    }
+	mBev = bufferevent_socket_new(mBase, -1,
+		BEV_OPT_CLOSE_ON_FREE | BEV_OPT_THREADSAFE);
+	if (nullptr == mBev) {
+		this->mStatus = TcpClientLibevent::FAIL;
+		return -1;
+	}
+	bufferevent_setcb(mBev, conn_readcb, conn_writecb, conn_eventcb, this);
+	int flag = bufferevent_socket_connect(mBev, (struct sockaddr*)&mSrv, sizeof(mSrv));
+	bufferevent_enable(mBev, EV_READ | EV_WRITE);
+	if (-1 == flag) {
+		this->mStatus = TcpClientLibevent::FAIL;
+		bufferevent_free(mBev);
+		mBev = nullptr;
+		printf("Connect failed\n");
+		return -1;
+	}
+
+	this->mStatus = TcpClientLibevent::CONNECTING;
+    auto start = system_clock::to_time_t(system_clock::now());
+    while (this->mStatus != TcpClientLibevent::CONNECTED) {
+		auto end = system_clock::to_time_t(system_clock::now());
+
+        if ((end - start) > 2) {
+            this->mStatus = TcpClientLibevent::FAIL;
+            break;
+        }
+    }
     return 0;
 }
 
diff --git a/examples/proto_debuger/tcp_client.h b/examples/proto_debuger/tcp_client.h
index 2acdcf82..710ebf90 100644
--- a/examples/proto_debuger/tcp_client.h
+++ b/examples/proto_debuger/tcp_client.h
@@ -40,8 +40,10 @@ class TcpClientLibevent {
 public:
     typedef enum {
         UNCONNECTED,  // 鏈繛鎺�
+		CONNECTING, //宸茬粡杩炴帴
         CONNECTED, //宸茬粡杩炴帴
         FAIL,       // 杩炴帴澶辫触
+        STOP,      // 鍒濆鐘舵��
     }Status;
 
     class TcpClientObserver {
@@ -61,12 +63,15 @@ public:
 	friend  void conn_eventcb(struct bufferevent*, short, void*);
 
     int ConnectServer();
+	int ConnectServerSync();
+
     bool Connected();
     int Dispatch();
     int OnTCPPackage(uint8_t*, uint16_t);
     int SetReconnect(bool);
     int SetObserver(TcpClientObserver*);
     int Close();
+
     uint64_t SocketFd();
 
     Status mStatus;
@@ -75,7 +80,7 @@ private:
     bool mReConnect = false;
     int sendData(void*, size_t);
     struct event_base* mBase;
-    struct bufferevent* bev;
+    struct bufferevent* mBev;
     struct sockaddr_in mSrv;
     std::thread* mThread;
     mutex mLock;          // 浜掓枼閿�
diff --git a/examples/proto_debuger/tcp_client_form.cpp b/examples/proto_debuger/tcp_client_form.cpp
index 88f616f1..4592c106 100644
--- a/examples/proto_debuger/tcp_client_form.cpp
+++ b/examples/proto_debuger/tcp_client_form.cpp
@@ -24,6 +24,7 @@ void TcpClientForm::Init()
 
 }
 
+
 void TcpClientForm::HandleMessage(ui::EventArgs& msg)
 {
 }
diff --git a/third_party/cef_wrapper/libcef_dll_wrapper.vcxproj b/third_party/cef_wrapper/libcef_dll_wrapper.vcxproj
index 24f9ab63..b76430af 100644
--- a/third_party/cef_wrapper/libcef_dll_wrapper.vcxproj
+++ b/third_party/cef_wrapper/libcef_dll_wrapper.vcxproj
@@ -36,7 +36,7 @@
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
diff --git a/ui_components/ui_components.vcxproj b/ui_components/ui_components.vcxproj
index 7c7902da..3b423c54 100644
--- a/ui_components/ui_components.vcxproj
+++ b/ui_components/ui_components.vcxproj
@@ -42,7 +42,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v120_xp</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
@@ -242,8 +242,8 @@
     <ClCompile Include="windows_manager\window_ex.cpp" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\third_party\cef_wrapper\libcef_dll_wrapper.vcxproj">
-      <Project>{a9d6dc71-c0dc-4549-aea0-3b15b44e86a9}</Project>
+    <ProjectReference Include="..\duilib\duilib.vcxproj">
+      <Project>{e106acd7-4e53-4aee-942b-d0dd426db34e}</Project>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />