diff --git a/server/robotserver/CMakeLists.txt b/server/robotserver/CMakeLists.txt
index 033e292..c847632 100644
--- a/server/robotserver/CMakeLists.txt
+++ b/server/robotserver/CMakeLists.txt
@@ -10,7 +10,7 @@ endif()
 
 set(CMAKE_BUILD_TYPE "Debug")
 set(CMAKE_CXX_FLAGS_RELEASE "-std=gnu++11 -fsanitize=address -fno-omit-frame-pointer")
-set(CMAKE_CXX_FLAGS_DEBUG "-Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID}")
+set(CMAKE_CXX_FLAGS_DEBUG "-Wall -g -std=gnu++11 -DGAME_ID=${GAME_ID} -DTCP_CLIENT2=1")
 
 include_directories(
   AFTER
diff --git a/server/robotserver/app.h b/server/robotserver/app.h
index af934f5..643cf0d 100644
--- a/server/robotserver/app.h
+++ b/server/robotserver/app.h
@@ -60,8 +60,8 @@ public:
     int instance_id = 0;
     bool is_test_mode = false;
     int test_param = 0;
-    std::string wsp_host;
-    int wsp_port = 0;
+    std::string wsp_host = "192.168.100.21";
+    int wsp_port = 7102;
     std::set<int> flags;
 
 private:
diff --git a/server/robotserver/virtualclient.cc b/server/robotserver/virtualclient.cc
index 04e81a7..9dc2ef6 100644
--- a/server/robotserver/virtualclient.cc
+++ b/server/robotserver/virtualclient.cc
@@ -3,6 +3,7 @@
 #include <string.h>
 
 #include <a8/tcpclient.h>
+#include <a8/tcpclient2.h>
 
 #include "virtualclient.h"
 #include "app.h"
@@ -16,7 +17,11 @@ void VirtualClient::Init()
     recv_bufflen_ = 0;
     recv_buff_ = (char*) malloc(PACK_MAX * 2);
 
+#if TCP_CLIENT2
+    tcp_client_ = new a8::TcpClient2();
+#else
     tcp_client_ = new a8::TcpClient();
+#endif
     tcp_client_->remote_address = remote_ip;
     tcp_client_->remote_port = remote_port;
     tcp_client_->on_error = std::bind(&VirtualClient::on_error, this, std::placeholders::_1, std::placeholders::_2);
@@ -51,12 +56,20 @@ void VirtualClient::SendMove()
 
 }
 
+#if TCP_CLIENT2
+void VirtualClient::on_error(a8::TcpClient2* sender, int errorId)
+#else
 void VirtualClient::on_error(a8::TcpClient* sender, int errorId)
+#endif
 {
     a8::UdpLog::Instance()->Error("VirtualClient errorid=%d", {errorId});
 }
 
+#if TCP_CLIENT2
+void VirtualClient::on_connect(a8::TcpClient2* sender)
+#else
 void VirtualClient::on_connect(a8::TcpClient* sender)
+#endif
 {
     recv_bufflen_ = 0;
     a8::UdpLog::Instance()->Info("target server connected", {});
@@ -66,7 +79,11 @@ void VirtualClient::on_connect(a8::TcpClient* sender)
                               );
 }
 
+#if TCP_CLIENT2
+void VirtualClient::on_disconnect(a8::TcpClient2* sender)
+#else
 void VirtualClient::on_disconnect(a8::TcpClient* sender)
+#endif
 {
     recv_bufflen_ = 0;
     a8::UdpLog::Instance()->Info("target server %d disconnected after 10s later reconnect", {instance_id});
@@ -76,7 +93,11 @@ void VirtualClient::on_disconnect(a8::TcpClient* sender)
                               );
 }
 
+#if TCP_CLIENT2
+void VirtualClient::on_socketread(a8::TcpClient2* sender, char* buf, unsigned int len)
+#else
 void VirtualClient::on_socketread(a8::TcpClient* sender, char* buf, unsigned int len)
+#endif
 {
     if (recv_bufflen_ + len > 2 * PACK_MAX) {
         recv_bufflen_ = 0;
@@ -118,3 +139,4 @@ void VirtualClient::on_socketread(a8::TcpClient* sender, char* buf, unsigned int
     }
     recv_bufflen_ -= offset;
 }
+
diff --git a/server/robotserver/virtualclient.h b/server/robotserver/virtualclient.h
index 1567e46..ed7f95c 100644
--- a/server/robotserver/virtualclient.h
+++ b/server/robotserver/virtualclient.h
@@ -3,6 +3,7 @@
 namespace a8
 {
     class TcpClient;
+    class TcpClient2;
 }
 
 enum VirtualClientState_e
@@ -33,15 +34,26 @@ class VirtualClient
     void SendMove();
 
  private:
+#if TCP_CLIENT2
+    void on_error(a8::TcpClient2* sender, int errorId);
+    void on_connect(a8::TcpClient2* sender);
+    void on_disconnect(a8::TcpClient2* sender);
+    void on_socketread(a8::TcpClient2* sender, char* buf, unsigned int len);
+#else
     void on_error(a8::TcpClient* sender, int errorId);
     void on_connect(a8::TcpClient* sender);
     void on_disconnect(a8::TcpClient* sender);
     void on_socketread(a8::TcpClient* sender, char* buf, unsigned int len);
+#endif
 
  private:
     VirtualClientState_e state_ = VCS_Init;
     char *recv_buff_ = nullptr;
     unsigned int recv_bufflen_ = 0;
 
+#if TCP_CLIENT2
+    a8::TcpClient2* tcp_client_ = nullptr;
+#else
     a8::TcpClient* tcp_client_ = nullptr;
+#endif
 };
diff --git a/third_party/a8engine b/third_party/a8engine
index 9c2a352..f9222e3 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit 9c2a3520f5459f6260ac4b9b34958ef4c8776a80
+Subproject commit f9222e376f8a678a252932c4a3fb93860d7625f2
diff --git a/third_party/framework b/third_party/framework
index 7af5d3b..7f6c831 160000
--- a/third_party/framework
+++ b/third_party/framework
@@ -1 +1 @@
-Subproject commit 7af5d3b84aeaa84a2979c24db9db5ed5a43cea2d
+Subproject commit 7f6c831d8dbef97267f3a87053249d7beb0bf615