diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87b08a1..44248bd 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,7 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 
-set(TARS_VERSION "1.4.0")
+set(TARS_VERSION "2.0.0")
 add_definitions(-DTARS_VERSION="${TARS_VERSION}")
 set(TARS_SSL 0)
 add_definitions(-DTARS_SSL=${TARS_SSL})
@@ -52,7 +52,7 @@ ExternalProject_Add(thirdparty
         # This is the upstream source code repackaged in a .tar.gz for
         # compatibility with older CMake. Also the tests/ directory
         # removed to save space.
-        URL http://cdn.tarsyun.com/src/20200208130936.tgz
+        URL http://cdn.tarsyun.com/src/ThirdParty.tgz
         # URL /Users/jarod/centos/TarsCpp/build/thirdparty/src/20200208092837.tgz
         PREFIX    ${CMAKE_BINARY_DIR}/thirdparty
         INSTALL_DIR ${CMAKE_SOURCE_DIR}
@@ -61,22 +61,30 @@ ExternalProject_Add(thirdparty
 
 set(THIRDPARTY_PATH "${CMAKE_BINARY_DIR}/thirdparty")
 set(MYSQL_DIR_INC "${THIRDPARTY_PATH}/include/mysql")
+set(THIRDPARTY_LIB_PATH "${THIRDPARTY_PATH}/lib")
 
+set(LIB_MYSQL)
 IF (WIN32)
-    set(MYSQL_DIR_LIB "${THIRDPARTY_PATH}/lib/win")
     set(LIB_MYSQL "libmysql")
+    if(TARS_HTTP2)
+        link_libraries(libnghttp2_static)
+    endif()
 ELSE()
-    IF(APPLE)
-        set(MYSQL_DIR_LIB "${THIRDPARTY_PATH}/lib/mac")
-    ELSE(LINUX)
-        set(MYSQL_DIR_LIB "${THIRDPARTY_PATH}/lib/linux")
-        link_libraries(pthread dl)
-    ENDIF()
-    set(LIB_MYSQL "libmysqlclient")
+    link_libraries(pthread dl)
+
+    set(LIB_MYSQL "mysqlclient")
+
+    if(TARS_HTTP2)
+        link_libraries(nghttp2)
+    endif()    
 ENDIF()
 
+include_directories(${THIRDPARTY_PATH}/include)
 include_directories(${MYSQL_DIR_INC})
 
+link_directories(${THIRDPARTY_LIB_PATH})
+link_libraries(${mysqlclient})
+
 #-------------------------------------------------------------
 IF (APPLE)
 link_libraries(iconv)
diff --git a/examples/CustomDemo/CustomClient/main.cpp b/examples/CustomDemo/CustomClient/main.cpp
index 41fcdc1..a653346 100644
--- a/examples/CustomDemo/CustomClient/main.cpp
+++ b/examples/CustomDemo/CustomClient/main.cpp
@@ -55,7 +55,7 @@ static TC_NetWorkBuffer::PACKET_TYPE customResponse(TC_NetWorkBuffer &in, Respon
 /*
    Whole package length (4 bytes) + irequestid (4 bytes) + package content
 */
-static void customRequest(const RequestPacket& request, shared_ptr<TC_NetWorkBuffer::SendBuffer>& sbuff)
+static vector<char> customRequest(const RequestPacket& request)
 {
     unsigned int net_bufflength = htonl(request.sBuffer.size()+8);
     unsigned char * bufflengthptr = (unsigned char*)(&net_bufflength);
@@ -71,7 +71,7 @@ static void customRequest(const RequestPacket& request, shared_ptr<TC_NetWorkBuf
 	memcpy(buffer.data() + sizeof(unsigned int), netrequestIdptr, sizeof(unsigned int));
 	memcpy(buffer.data() + sizeof(unsigned int) * 2, request.sBuffer.data(), request.sBuffer.size());
 
-	sbuff->addBuffer(buffer);
+	return buffer;
 }
 
 class CustomCallBack : public ServantProxyCallback
diff --git a/examples/HttpDemo/HttpClient/main.cpp b/examples/HttpDemo/HttpClient/main.cpp
index d4cd56e..2a1f8f2 100644
--- a/examples/HttpDemo/HttpClient/main.cpp
+++ b/examples/HttpDemo/HttpClient/main.cpp
@@ -16,69 +16,73 @@
 
 #include <iostream>
 #include "util/tc_http.h"
+#include "util/tc_option.h"
 #include "util/tc_common.h"
 #include "util/tc_clientsocket.h"
 #include "util/tc_thread_pool.h"
 #include "tup/Tars.h"
 #include "tup/tup.h"
 #include "util/tc_timeprovider.h"
+#include "servant/Application.h"
 using namespace std;
 using namespace tars;
 using namespace tup;
 
-int doRequest(TC_HttpRequest& stHttp,TC_TCPClient&tcpClient, TC_HttpResponse &stHttpRsp, int iTimeout)
+// int main(int argc,char ** argv)
+// {
+//     if(argc != 3)
+//     {
+//         cout << "usage: " << argv[0] << " ThreadNum CallTimes" << endl;
+//         return -1;
+//     }
+
+//     try
+//     {
+//         tars::Int32 threads = TC_Common::strto<tars::Int32>(string(argv[1]));
+//         TC_ThreadPool tp;
+//         tp.init(threads);
+//         tp.start(); 
+//         cout << "init tp succ" << endl;
+//         tars::Int32 times = TC_Common::strto<tars::Int32>(string(argv[2]));
+ 
+//         for(int i = 0; i<threads; i++)
+//         {
+//             tp.exec(std::bind(httpClient, times));
+//         }
+
+//         tp.waitForAllDone(1000);
+//     }catch(exception &e)
+//     {
+//         cout<<e.what()<<endl;
+//     }
+//     catch(...)
+//     {
+
+//     }
+
+//     return 0;
+// }
+
+
+Communicator* _comm;
+
+static string httpObj = "Test.HttpServer.httpObj@tcp -h 127.0.0.1 -p 8081";
+
+struct Param
 {
-    string sSendBuffer = stHttp.encode();
+	int count;
+	string call;
+	int thread;
 
-    int iRet = tcpClient.send(sSendBuffer.c_str(), sSendBuffer.length());
-    if(iRet != TC_ClientSocket::EM_SUCCESS)
-    {
-        return iRet;
-    }
+	ServantPrx servantPrx;
+};
 
-    stHttpRsp.reset();
+Param param;
+std::atomic<int> callback_count(0);
 
-    string sBuffer;
 
-    char *sTmpBuffer = new char[10240];
-    size_t iRecvLen  = 10240;
-
-    while(true)
-    {
-        iRecvLen = 10240;
-
-        iRet = tcpClient.recv(sTmpBuffer, iRecvLen);
-
-        if(iRet == TC_ClientSocket::EM_SUCCESS)
-        sBuffer.append(sTmpBuffer, iRecvLen);
-
-        switch(iRet)
-        {
-        case TC_ClientSocket::EM_SUCCESS:
-            if(stHttpRsp.incrementDecode(sBuffer))
-            {
-                delete []sTmpBuffer;
-                return TC_ClientSocket::EM_SUCCESS;
-            }
-            continue;
-        case TC_ClientSocket::EM_CLOSE:
-            delete []sTmpBuffer;
-            stHttpRsp.incrementDecode(sBuffer);
-            return TC_ClientSocket::EM_SUCCESS;
-        default:
-            delete []sTmpBuffer;
-            return iRet;
-        }
-    }
-
-    assert(true);
-
-    return 0;
-}
-
-void th_dohandle(int excut_num)
+void httpCall(int excut_num)
 {
-    unsigned long sum = 0;
     int64_t _iTime = TC_TimeProvider::getInstance()->getNowMs();
 
     string sServer1("http://127.0.0.1:8081/");
@@ -87,76 +91,212 @@ void th_dohandle(int excut_num)
     stHttpReq.setCacheControl("no-cache");
     stHttpReq.setGetRequest(sServer1);
 
-    TC_TCPClient tcpClient1;
-    tcpClient1.init("127.0.0.1", 8081, 3000);
+    // TC_TCPClient tcpClient1;
+    // tcpClient1.init("127.0.0.1", 8081, 3000);
 
     int iRet = 0;
 
     for (int i = 0; i<excut_num; i++)
     {
+        TC_HttpResponse stHttpRsp;
+
+        // iRet = doRequest(stHttpReq, tcpClient1, stHttpRsp, 3000);  
+        iRet = stHttpReq.doRequest(stHttpRsp, 3000);  
+        
+        if (iRet != 0)
+        {
+            cout <<"pthread id: " << TC_Thread::CURRENT_THREADID() << ", iRet:" << iRet <<endl;
+        }
+        
+
+        ++callback_count;
+    }
+    cout <<  "pthread id: " << TC_Thread::CURRENT_THREADID() << ", succ:" << param.count << "/" << excut_num << ", " << TC_TimeProvider::getInstance()->getNowMs() - _iTime <<"(ms)"<<endl;
+}
+
+struct TestHttpCallback : public HttpCallback
+{
+    TestHttpCallback(int64_t t, int i, int c) : start(t), cur(i), count(c)
+    {
+
+    }
+
+    virtual int onHttpResponse(const std::map<std::string, std::string>& requestHeaders ,
+                               const std::map<std::string, std::string>& responseHeaders ,
+                               const std::vector<char>& rspBody)
+    {
+	    callback_count++;
+
+        if(cur == count-1)
+        {
+            int64_t cost = TC_Common::now2us() - start;
+            cout << "onHttpResponse count:" << count << ", " << cost << " us, avg:" << 1.*cost/count << "us" << endl;
+        }
+
+        return 0;
+    }
+    virtual int onHttpResponseException(const std::map<std::string, std::string>& requestHeaders,
+                                        int expCode)
+    {
+	    callback_count++;
+
+        return 0;
+    }
+
+    int64_t start;
+    int     cur;
+    int     count;
+};
+
+void syncRpc(int c)
+{
+	int64_t t = TC_Common::now2us();
+
+    std::map<std::string, std::string> header;
+    header["X-Test"] = "YYYY";
+
+    std::map<std::string, std::string> rheader;
+    //发起远程调用
+    for (int i = 0; i < c; ++i)
+    {
+        string rbody;
+
         try
         {
-            TC_HttpResponse stHttpRsp;
 
-
-            iRet = doRequest(stHttpReq, tcpClient1, stHttpRsp, 3000);  
-            // iRet = stHttpReq.doRequest(stHttpRsp, 3000);  
-            
-            if (iRet != 0)
-            {
-                cout <<"pthread id: " << TC_Thread::CURRENT_THREADID() << ", iRet:" << iRet <<endl;
-                exit(-1);
-            }
-            else
-            {
-                sum++;
-            }
+		    param.servantPrx->http_call("GET", "http://127.0.0.1:8081", header, "helloworld", rheader, rbody);
         }
-        catch(TC_Exception &e)
+        catch(exception& e)
         {
-            cout << "pthread id: " << TC_Thread::CURRENT_THREADID() << " id: " << i << " exception: " << e.what() << endl;
-            exit(-1);
-        }
-        catch(...)
-        {
-            cout << "pthread id: " << TC_Thread::CURRENT_THREADID() << " id: " << i << " unknown exception." << endl;
-            exit(-1);
+            cout << "exception:" << e.what() << endl;
         }
+        ++callback_count;
     }
-    cout <<  "pthread id: " << TC_Thread::CURRENT_THREADID() << ", succ:" << sum << "/" << excut_num << ", " << TC_TimeProvider::getInstance()->getNowMs() - _iTime <<"(ms)"<<endl;
+
+    int64_t cost = TC_Common::now2us() - t;
+    cout << "syncCall total:" << cost << "us, avg:" << 1.*cost/c << "us" << endl;
 }
 
-int main(int argc,char ** argv)
-{
-    if(argc != 3)
-    {
-        cout << "usage: " << argv[0] << " ThreadNum CallTimes" << endl;
-        return -1;
-    }
+    // void http_call_async(const std::map<std::string, std::string>& headers,
+    //                      const std::string& body,
+    //                      HttpCallback* cb);
 
+void asyncRpc(int c)
+{
+	int64_t t = TC_Common::now2us();
+
+    std::map<std::string, std::string> header;
+    header["X-Test"] = "YYYY";
+
+	//发起远程调用
+	for (int i = 0; i < c; ++i)
+	{
+		HttpCallbackPtr p = new TestHttpCallback(t, i, c);
+
+		try
+		{
+			param.servantPrx->http_call_async(header, "helloworld", p);
+		}
+		catch(exception& e)
+		{
+			cout << "exception:" << e.what() << endl;
+		}
+	}
+
+	int64_t cost = TC_Common::now2us() - t;
+	cout << "asyncCall send:" << cost << "us, avg:" << 1.*cost/c << "us" << endl;
+}
+
+int main(int argc, char *argv[])
+{
     try
     {
-        tars::Int32 threads = TC_Common::strto<tars::Int32>(string(argv[1]));
-        TC_ThreadPool tp;
-        tp.init(threads);
-        tp.start(); 
-        cout << "init tp succ" << endl;
-        tars::Int32 times = TC_Common::strto<tars::Int32>(string(argv[2]));
- 
-        for(int i = 0; i<threads; i++)
+        if (argc < 4)
         {
-            tp.exec(std::bind(th_dohandle, times));
+	        cout << "Usage:" << argv[0] << "--count=1000 --call=[basehttp|synchttp|asynchttp] --thread=1" << endl;
+
+	        return 0;
         }
 
-        tp.waitForAllDone(1000);
-    }catch(exception &e)
-    {
-        cout<<e.what()<<endl;
-    }
-    catch(...)
-    {
+	    TC_Option option;
+        option.decode(argc, argv);
 
+		param.count = TC_Common::strto<int>(option.getValue("count"));
+	    if(param.count <= 0) param.count = 1000;
+	    param.call = option.getValue("call");
+	    if(param.call.empty()) param.call = "sync";
+	    param.thread = TC_Common::strto<int>(option.getValue("thread"));
+	    if(param.thread <= 0) param.thread = 1;
+
+        _comm = new Communicator();
+
+        _comm->setProperty("sendqueuelimit", "1000000");
+        _comm->setProperty("asyncqueuecap", "1000000");
+
+	    param.servantPrx = _comm->stringToProxy<ServantPrx>(httpObj);
+
+	    param.servantPrx->tars_connect_timeout(5000);
+        param.servantPrx->tars_async_timeout(60*1000);
+
+        ProxyProtocol proto;
+        proto.requestFunc = tars::http2Request;
+        proto.responseFunc = tars::http2Response;
+
+        int64_t start = TC_Common::now2us();
+
+        std::function<void(int)> func;
+
+        if (param.call == "basehttp")
+        {
+            func = httpCall;
+        }
+        else if (param.call == "synchttp")
+        {
+            func = syncRpc;
+        }
+        else if(param.call == "asynchttp")
+        {
+        	func = asyncRpc;
+        }
+        else
+        {
+        	cout << "no func, exits" << endl;
+        	exit(0);
+        }
+
+	    vector<std::thread*> vt;
+        for(int i = 0 ; i< param.thread; i++)
+        {
+            vt.push_back(new std::thread(func, param.count));
+        }
+
+        std::thread print([&]{while(callback_count != param.count * param.thread) {
+	        cout << param.call << ": ----------finish count:" << callback_count << endl;
+	        std::this_thread::sleep_for(std::chrono::seconds(1));
+        };});
+
+        for(size_t i = 0 ; i< vt.size(); i++)
+        {
+            vt[i]->join();
+            delete vt[i];
+        }
+
+        cout << "(pid:" << std::this_thread::get_id() << ")"
+             << "(count:" << param.count << ")"
+             << "(use ms:" << (TC_Common::now2us() - start)/1000 << ")"
+             << endl;
+
+	    while(callback_count != param.count * param.thread) {
+		    std::this_thread::sleep_for(std::chrono::seconds(1));
+	    }
+	    print.join();
+	    cout << "----------finish count:" << callback_count << endl;
     }
+    catch(exception &ex)
+    {
+        cout << ex.what() << endl;
+    }
+    cout << "main return." << endl;
 
     return 0;
-}
+}
\ No newline at end of file
diff --git a/examples/HttpDemo/HttpServer/HttpServer.cpp b/examples/HttpDemo/HttpServer/HttpServer.cpp
index 894c99f..1847183 100644
--- a/examples/HttpDemo/HttpServer/HttpServer.cpp
+++ b/examples/HttpDemo/HttpServer/HttpServer.cpp
@@ -21,42 +21,32 @@ using namespace std;
 
 HttpServer g_app;
 
-// /////////////////////////////////////////////////////////////////
-// struct HttpProtocol
-// {
-//     /**
-//      * http协议解析
-//      * @param in
-//      * @param out
-//      *
-//      * @return int
-//      */
-//     static int parseHttp(TC_NetWorkBuffer &in, vector<char> &out)
-//     {
-//         try
-//         {
-//             bool b = in.checkRequest(in.length());
-//             if(b)
-//             {
-//                 out = in;
-//                 in.clearBuffers();
-//                 //TLOGDEBUG("out size: " << out.size() << endl);
-//                 return TC_EpollServer::PACKET_FULL;
-//             }
-//             else
-//             {
-//                 return TC_EpollServer::PACKET_LESS;
-//             }
-//         }
-//         catch(exception &ex)
-//         {
-//             return TC_EpollServer::PACKET_ERR;
-//         }
 
-//         return TC_EpollServer::PACKET_LESS;             //��ʾ�յ��İ�����ȫ
-//     }
+static TC_NetWorkBuffer::PACKET_TYPE parseHttp(TC_NetWorkBuffer &in, vector<char> &out)
+{
+    vector<char> buffer = in.getBuffers();
+    cout << "parseHttp:" << buffer.data() << endl;
+    try
+    {
+        bool b = TC_HttpRequest::checkRequest(buffer.data(), buffer.size());
+        if(b)
+        {
+            out.swap(buffer);
+            in.clearBuffers();
+            return TC_NetWorkBuffer::PACKET_FULL;
+        }
+        else
+        {
+            return TC_NetWorkBuffer::PACKET_LESS;
+        }
+    }
+    catch(exception &ex)
+    {
+        return TC_NetWorkBuffer::PACKET_ERR;
+    }
 
-// };
+    return TC_NetWorkBuffer::PACKET_LESS; 
+}
 
 void
 HttpServer::initialize()
@@ -65,7 +55,8 @@ HttpServer::initialize()
     //...
 
     addServant<HttpImp>(ServerConfig::Application + "." + ServerConfig::ServerName + ".HttpObj");
-    addServantProtocol(ServerConfig::Application + "." + ServerConfig::ServerName + ".HttpObj",&TC_NetWorkBuffer::parseHttp);
+    // addServantProtocol(ServerConfig::Application + "." + ServerConfig::ServerName + ".HttpObj",&TC_NetWorkBuffer::parseHttp);
+    addServantProtocol(ServerConfig::Application + "." + ServerConfig::ServerName + ".HttpObj",parseHttp);
 }
 /////////////////////////////////////////////////////////////////
 void
diff --git a/examples/HttpDemo/HttpServer/config.conf b/examples/HttpDemo/HttpServer/config.conf
index 917eba9..2ec2d08 100755
--- a/examples/HttpDemo/HttpServer/config.conf
+++ b/examples/HttpDemo/HttpServer/config.conf
@@ -30,7 +30,7 @@
         #应用名称
         app      = Test
         #服务名称
-        server   = HelloServer
+        server   = HttpServer
         #服务的数据目录,可执行文件,配置文件等
         basepath = ./
         datapath = ./
@@ -60,7 +60,7 @@
             #当前线程个数
             threads	 = 5
             #处理对象
-            servant = Test.HelloServer.HttpObj
+            servant = Test.HttpServer.HttpObj
             #队列最大包个数
             queuecap = 1000000
 	          protocol = not-tars
diff --git a/examples/PushDemo/PushClient/TestRecvThread.cpp b/examples/PushDemo/PushClient/TestRecvThread.cpp
index 6a7c6ec..517e3f5 100755
--- a/examples/PushDemo/PushClient/TestRecvThread.cpp
+++ b/examples/PushDemo/PushClient/TestRecvThread.cpp
@@ -55,7 +55,7 @@ static TC_NetWorkBuffer::PACKET_TYPE pushResponse(TC_NetWorkBuffer &in, Response
    请求包编码函数，本函数的打包格式为
    整个包长度（4字节）+iRequestId（4字节）+包内容
 */
-static void pushRequest(const RequestPacket& request, shared_ptr<TC_NetWorkBuffer::SendBuffer>& sbuff)
+static vector<char> pushRequest(const RequestPacket& request)
 {
     unsigned int net_bufflength = htonl(request.sBuffer.size()+8);
     unsigned char * bufflengthptr = (unsigned char*)(&net_bufflength);
@@ -71,7 +71,8 @@ static void pushRequest(const RequestPacket& request, shared_ptr<TC_NetWorkBuffe
 	memcpy(buffer.data() + sizeof(unsigned int), netrequestIdptr, sizeof(unsigned int));
 	memcpy(buffer.data() + sizeof(unsigned int) * 2, request.sBuffer.data(), request.sBuffer.size());
 
-	sbuff->addBuffer(buffer);
+	return buffer;
+	// sbuff->addBuffer(buffer);
 }
 
 static void printResult(int iRequestId, const string &sResponseStr)
diff --git a/examples/QuickStartDemo/HelloServer/Client/main.cpp b/examples/QuickStartDemo/HelloServer/Client/main.cpp
index 92279ce..87bf574 100644
--- a/examples/QuickStartDemo/HelloServer/Client/main.cpp
+++ b/examples/QuickStartDemo/HelloServer/Client/main.cpp
@@ -278,6 +278,7 @@ int main(int argc, char *argv[])
 	    TC_Option option;
         option.decode(argc, argv);
 
+		param.count = TC_Common::strto<int>(option.getValue("count"));
 	    if(param.count <= 0) param.count = 1000;
 	    param.buffersize = TC_Common::strto<int>(option.getValue("buffersize"));
 	    if(param.buffersize <= 0) param.buffersize = 1000;
diff --git a/examples/scripts/run-http.sh b/examples/scripts/run-http.sh
index 2567476..46b0efe 100644
--- a/examples/scripts/run-http.sh
+++ b/examples/scripts/run-http.sh
@@ -13,7 +13,9 @@ sleep 1
 
 echo "client: ./bin/HttpClient"
 
-./bin/HttpClient 2 10000
+./bin/HttpClient --count=10000 --thread=2 --call=basehttp
+./bin/HttpClient --count=10000 --thread=2 --call=synchttp
+./bin/HttpClient --count=10000 --thread=2 --call=asynchttp
 
 sleep 1
 
diff --git a/servant/libservant/AdapterProxy.cpp b/servant/libservant/AdapterProxy.cpp
index ef9957a..8b82b7a 100755
--- a/servant/libservant/AdapterProxy.cpp
+++ b/servant/libservant/AdapterProxy.cpp
@@ -169,7 +169,7 @@ int AdapterProxy::invoke(ReqMessage * msg)
     startTrack(msg);
 #endif
 
-    _objectProxy->getProxyProtocol().requestFunc(msg->request, msg->sReqData);
+    msg->sReqData->addBuffer(_objectProxy->getProxyProtocol().requestFunc(msg->request));
 
     //交给连接发送数据,连接连上,buffer不为空,直接发送数据成功
     if(_timeoutQueue->sendListEmpty() && _trans->sendRequest(msg->sReqData) != Transceiver::eRetError)
diff --git a/servant/libservant/AppProtocol.cpp b/servant/libservant/AppProtocol.cpp
index f994e71..171272c 100644
--- a/servant/libservant/AppProtocol.cpp
+++ b/servant/libservant/AppProtocol.cpp
@@ -19,7 +19,6 @@
 #include "tup/Tars.h"
 #include <iostream>
 
-
 #if TARS_HTTP2
 #include "util/tc_nghttp2.h"
 #include "util/tc_http2clientmgr.h"
@@ -42,36 +41,13 @@
 namespace tars
 {
 
-// //TARSServer的协议解析器
-// int AppProtocol::parseAdmin(string &in, string &out)
-// {
-//     return parse(in, out);
-// }
-
-// void ProxyProtocol::tarsRequest(const RequestPacket& request, string& buff)
-// {
-//     TarsOutputStream<BufferWriter> os;
-
-//     request.writeTo(os);
-
-//     tars::Int32 iHeaderLen = htonl(sizeof(tars::Int32) + os.getLength());
-
-//     buff.clear();
-
-//     buff.reserve(sizeof(tars::Int32) + os.getLength());
-
-//     buff.append((const char*)&iHeaderLen, sizeof(tars::Int32));
-
-//     buff.append(os.getBuffer(), os.getLength());
-// }
-
 //TAFServer的协议解析器
 TC_NetWorkBuffer::PACKET_TYPE AppProtocol::parseAdmin(TC_NetWorkBuffer  &in, shared_ptr<TC_NetWorkBuffer::SendBuffer> &out)
 {
     return parse(in, out->getBuffer());
 }
 
-void ProxyProtocol::tarsRequest(const RequestPacket& request, shared_ptr<TC_NetWorkBuffer::SendBuffer>& buff)
+vector<char> ProxyProtocol::tarsRequest(const RequestPacket& request)
 {
 	TarsOutputStream<BufferWriterVector> os;
 
@@ -82,13 +58,17 @@ void ProxyProtocol::tarsRequest(const RequestPacket& request, shared_ptr<TC_NetW
 
 	request.writeTo(os);
 
-	buff->swap(os.getByteBuffer());
+    vector<char> buff;
 
-	assert(buff->length() >= 4);
+	buff.swap(os.getByteBuffer());
 
-	iHeaderLen = htonl((int)(buff->length()));
+	assert(buff.size() >= 4);
 
-	memcpy((void*)buff->buffer(), (const char *)&iHeaderLen, sizeof(iHeaderLen));
+	iHeaderLen = htonl((int)(buff.size()));
+
+	memcpy((void*)buff.data(), (const char *)&iHeaderLen, sizeof(iHeaderLen));
+
+    return buff;
 }
 
 ////////////////////////////////////////////////////////////////////////////////////
@@ -117,28 +97,33 @@ static ssize_t reqbody_read_callback(nghttp2_session *session, int32_t stream_id
     return len;
 }
 
-size_t http1Response(const char* recvBuffer, size_t length, std::list<tars::ResponsePacket>& done)
+TC_NetWorkBuffer::PACKET_TYPE http1Response(TC_NetWorkBuffer &in, tars::ResponsePacket& rsp)
 {
-    tars::TC_HttpResponse httpRsp;
-    bool ok = httpRsp.decode(std::string(recvBuffer, length));
-    if(!ok)
-        return 0;
+    TC_NetWorkBuffer::PACKET_TYPE flag = in.checkHttp();
 
-    ResponsePacket rsp;
-    rsp.status["status"]  = httpRsp.getResponseHeaderLine();
-    for (const auto& kv : httpRsp.getHeaders())
+    if(flag == TC_NetWorkBuffer::PACKET_FULL)
     {
-        // 响应的头部 
-        rsp.status[kv.first] = kv.second; 
-    } 
+        tars::TC_HttpResponse httpRsp;
+        httpRsp.decode(in.getBuffers());
 
-    std::string content(httpRsp.getContent()); 
-    rsp.sBuffer.assign(content.begin(), content.end());
-    done.push_back(rsp);
-    return httpRsp.getHeadLength() + httpRsp.getContentLength();
+        // ResponsePacket rsp;
+        rsp.status["status"]  = httpRsp.getResponseHeaderLine();
+        for (const auto& kv : httpRsp.getHeaders())
+        {
+            // 响应的头部 
+            rsp.status[kv.first] = kv.second; 
+        } 
+
+        rsp.sBuffer.assign(httpRsp.getContent().begin(), httpRsp.getContent().end());
+    }
+
+    return flag;
+
+    // done.push_back(rsp);
+    // return httpRsp.getHeadLength() + httpRsp.getContentLength();
 }
 
-std::string encodeHttp2(RequestPacket& request, TC_NgHttp2* session)
+vector<char> encodeHttp2(RequestPacket& request, TC_NgHttp2* session)
 {
     std::vector<nghttp2_nv> nva;
 
@@ -186,13 +171,19 @@ std::string encodeHttp2(RequestPacket& request, TC_NgHttp2* session)
     nghttp2_session_send(session->session());
         
     // 交给tars发送
-    std::string out;
-    out.swap(session->sendBuffer());
+    // std::string out;
+    // out.swap(session->sendBuffer());
+    // return out;
+
+    vector<char> out;
+
+    out.assign(session->sendBuffer().begin(), session->sendBuffer().end());
+
     return out;
 }
 
 // ENCODE function, called by network thread
-void http2Request(const RequestPacket& request, std::string& out)
+vector<char> http2Request(const RequestPacket& request)
 {
     TC_NgHttp2* session = Http2ClientSessionManager::getInstance()->getSession(request.iRequestId);
     if (session->getState() == TC_NgHttp2::None)
@@ -203,39 +194,59 @@ void http2Request(const RequestPacket& request, std::string& out)
 
     assert (session->getState() == TC_NgHttp2::Http2);
 
-    out = encodeHttp2(const_cast<RequestPacket&>(request), session);
+    return encodeHttp2(request, session);
 }
 
-size_t http2Response(const char* recvBuffer, size_t length, list<ResponsePacket>& done, void* userptr)
+// TC_NetWorkBuffer::PACKET_TYPE http2Response(TC_NetWorkBuffer &in, list<ResponsePacket>& done, void* userptr)
+TC_NetWorkBuffer::PACKET_TYPE http2Response(TC_NetWorkBuffer &in, ResponsePacket& done)
 {
-    const int sessionId = *(int*)&userptr;
-    TC_NgHttp2* session = Http2ClientSessionManager::getInstance()->getSession(sessionId);
-    assert (session->getState() == TC_NgHttp2::Http2);
+    auto it = session->_doneResponses.begin();
 
-    int readlen = nghttp2_session_mem_recv(session->session(),
-                                           (const uint8_t*)recvBuffer,
-                                           length);
-
-    if (readlen < 0)
+    if(it == session->_doneResponses.end())
     {
-        throw std::runtime_error("nghttp2_session_mem_recv return error");
-        return 0;
+        vector<char> buffer = in.getBuffers();
+        in.clearBuffers();
+
+        Transceiver* userptr = ((Transceiver*))in->getConnection();
+        int sessionId = userptr->getAdapterProxy()->getId();
+        TC_NgHttp2* session = Http2ClientSessionManager::getInstance()->getSession(sessionId);
+        assert (session->getState() == TC_NgHttp2::Http2);
+
+        int readlen = nghttp2_session_mem_recv(session->session(), (const uint8_t*)buffer.data(), buffer.length());
+
+        if (readlen < 0)
+        {
+            // throw std::runtime_error("nghttp2_session_mem_recv return error");
+            return TC_NetWorkBuffer::PACKET_ERROR;
+        }
     }
 
-    std::map<int, Http2Response>::const_iterator it(session->_doneResponses.begin());
-    for (; it != session->_doneResponses.end(); ++ it)
+    it = session->_doneResponses.begin();
+    if(it == session->_doneResponses.end())
     {
-        ResponsePacket rsp;
+        return TC_NetWorkBuffer::PACKET_LESS;
+    }    
+
+    rsp.iRequestId = it->second.streamId;
+    rsp.status = it->second.headers;
+    rsp.sBuffer.assign(it->second.body.begin(), it->second.body.end());
+
+    session->_doneResponses.erase(it);
+
+    // std::map<int, Http2Response>::const_iterator it(session->_doneResponses.begin());
+    // for (; it != session->_doneResponses.end(); ++ it)
+    // {
+    //     ResponsePacket rsp;
              
-        rsp.iRequestId = it->second.streamId;
-        rsp.status = it->second.headers;
-        rsp.sBuffer.assign(it->second.body.begin(), it->second.body.end());
+    //     rsp.iRequestId = it->second.streamId;
+    //     rsp.status = it->second.headers;
+    //     rsp.sBuffer.assign(it->second.body.begin(), it->second.body.end());
 
-        done.push_back(rsp);
-    }
+    //     done.push_back(rsp);
+    // }
 
-    session->_doneResponses.clear();
-    return readlen;
+    // session->_doneResponses.clear();
+    return TC_NetWorkBuffer::PACKET_FULL;
 }
 
 #endif
diff --git a/servant/libservant/ServantProxy.cpp b/servant/libservant/ServantProxy.cpp
index 8fe62f5..d171def 100644
--- a/servant/libservant/ServantProxy.cpp
+++ b/servant/libservant/ServantProxy.cpp
@@ -205,10 +205,9 @@ int ServantProxyCallback::onDispatchException(const RequestPacket &req, const Re
 // 	}
 // }
 
-HttpServantProxyCallback::HttpServantProxyCallback(HttpCallback* cb) :
+HttpServantProxyCallback::HttpServantProxyCallback(const HttpCallbackPtr& cb) :
     _httpCb(cb)
 {
-    assert(_httpCb);
 }
 
 int HttpServantProxyCallback::onDispatchException(const RequestPacket &request, const ResponsePacket &response)
@@ -705,7 +704,7 @@ void ServantProxy::invoke(ReqMessage * msg, bool bCoroAsync)
         //判断eStatus来判断状态
         assert(msg->eStatus != ReqMessage::REQ_REQ);
 
-        TLOGTARS("[TARS]ServantProxy::invoke line: " << __LINE__ << " status: " << msg->eStatus << " ret: " <<msg->response->iRet << endl);
+        TLOGTARS("[TARS]ServantProxy::invoke line: " << __LINE__ << " status: " << msg->eStatus << ", ret: " <<msg->response->iRet << endl);
 
         if(msg->eStatus == ReqMessage::REQ_RSP && msg->response->iRet == TARSSERVERSUCCESS)
         {
@@ -729,7 +728,7 @@ void ServantProxy::invoke(ReqMessage * msg, bool bCoroAsync)
 
         if(msg->adapter)
         {
-            os << ",adapter" << msg->adapter->endpoint().desc();
+            os << ",adapter:" << msg->adapter->endpoint().desc();
         }
 
         os << ",reqid:" << msg->request.iRequestId << "]";
@@ -917,7 +916,7 @@ void ServantProxy::http_call(const std::string& method,
 
 void ServantProxy::http_call_async(const std::map<std::string, std::string>& headers,
                                    const std::string& body,
-                                   HttpCallback* cb)
+                                   const HttpCallbackPtr &cb)
 {
     ReqMessage * msg = new ReqMessage();
 
diff --git a/servant/libservant/Transceiver.cpp b/servant/libservant/Transceiver.cpp
index 3561ae6..5f3b321 100755
--- a/servant/libservant/Transceiver.cpp
+++ b/servant/libservant/Transceiver.cpp
@@ -248,7 +248,7 @@ bool Transceiver::sendAuthData(const BasicAuthInfo& info)
     request.sBuffer.assign(out.begin(), out.end());
 
     // vector<char> toSend;
-    objPrx->getProxyProtocol().requestFunc(request, _sendBuffer);
+    _sendBuffer->addBuffer(objPrx->getProxyProtocol().requestFunc(request));
 
     // _sendBuffer.addBuffer(toSend);
 
diff --git a/servant/servant/AppProtocol.h b/servant/servant/AppProtocol.h
index 038979f..5883bd9 100644
--- a/servant/servant/AppProtocol.h
+++ b/servant/servant/AppProtocol.h
@@ -27,10 +27,6 @@
 #include "util/tc_epoll_server.h"
 #include "util/tc_network_buffer.h"
 
-#if TARS_HTTP2
-#include "nghttp2/nghttp2.h"
-#endif
-
 using namespace std;
 using namespace tup;
 
@@ -59,18 +55,6 @@ T net2host(T len)
 class AppProtocol
 {
 public:
-    // /**
-    //  * 解析协议
-    //  * @param in, 目前的buffer
-    //  * @param out, 一个完整的包
-    //  *
-    //  * @return int, 0表示没有接收完全, 1表示收到一个完整包
-    //  */
-    // static int parse(string &in, string &out)
-    // {
-    //     return parseLen<10000000>(in,out);
-    // }
-
     /**
      * 解析协议
      * @param in, 目前的buffer
@@ -145,106 +129,15 @@ public:
 
         return TC_NetWorkBuffer::PACKET_FULL;
     }
-
-    // template<tars::Int32 iMaxLength>
-    // static int parseLen(string &in, string &out)
-    // {
-    //     if(in.length() < sizeof(tars::Int32))
-    //     {
-    //         return TC_EpollServer::PACKET_LESS;
-    //     }
-
-    //     tars::Int32 iHeaderLen;
-
-    //     memcpy(&iHeaderLen, in.c_str(), sizeof(tars::Int32));
-
-    //     iHeaderLen = ntohl(iHeaderLen);
-
-    //     if(iHeaderLen < tars::Int32(sizeof(tars::Int32))|| iHeaderLen > iMaxLength)
-    //     {
-    //         return TC_EpollServer::PACKET_ERR;
-    //     }
-
-    //     if((int)in.length() < iHeaderLen)
-    //     {
-    //         return TC_EpollServer::PACKET_LESS;
-    //     }
-
-    //     out = in.substr(sizeof(tars::Int32), iHeaderLen - sizeof(tars::Int32));
-
-    //     in  = in.substr(iHeaderLen);
-
-    //     return TC_EpollServer::PACKET_FULL;
-    // }
-
-    // /**
-    //  * 解析协议
-    //  * @param in, 目前的buffer
-    //  * @param out, 一个完整的包
-    //  *
-    //  * @return int, 0表示没有接收完全, 1表示收到一个完整包
-    //  */
-    // // static int parseAdmin(string &in, string &out);
-
-    // /**
-    //  *
-    //  * @param T
-    //  * @param offset
-    //  * @param netorder
-    //  * @param in
-    //  * @param out
-    //  * @return int
-    //  */
-    // template<size_t offset, typename T, bool netorder>
-    // static int parseStream(string& in, string& out)
-    // {
-    //     if(in.length() < offset + sizeof(T))
-    //     {
-    //         return TC_EpollServer::PACKET_LESS;
-    //     }
-
-    //     T iHeaderLen = 0;
-
-    //     ::memcpy(&iHeaderLen, in.c_str() + offset, sizeof(T));
-
-    //     if (netorder)
-    //     {
-    //         iHeaderLen = net2host<T>(iHeaderLen);
-    //     }
-
-    //     if (iHeaderLen < (T)(offset + sizeof(T)) || (uint32_t)iHeaderLen > 100000000)
-    //     {
-    //         return TC_EpollServer::PACKET_ERR;
-    //     }
-
-    //     if (in.length() < (uint32_t)iHeaderLen)
-    //     {
-    //         return TC_EpollServer::PACKET_LESS;
-    //     }
-
-    //     out = in.substr(0, iHeaderLen);
-
-    //     in  = in.substr(iHeaderLen);
-
-    //     return TC_EpollServer::PACKET_FULL;
-    // }
 };
 
-typedef std::function<void(const RequestPacket&, shared_ptr<TC_NetWorkBuffer::SendBuffer>&)> request_protocol;
+typedef std::function<vector<char>(const RequestPacket&)> request_protocol;
 /**
  * 接收协议处理, 返回值表示解析了多少字节
  * 框架层会自动对处理了包做处理
  */
 typedef std::function<TC_NetWorkBuffer::PACKET_TYPE(TC_NetWorkBuffer&, ResponsePacket&)> response_protocol;
-typedef std::function<TC_NetWorkBuffer::PACKET_TYPE(TC_NetWorkBuffer&, ResponsePacket&)> response_ex_protocol;
-
-// using request_protocol = std::function<void (const RequestPacket& , string& )>;
-// /**
-//  * 接收协议处理, 返回值表示解析了多少字节
-//  * 框架层会自动对处理了包做处理
-//  */
-// using response_protocol = std::function<size_t (const char *, size_t, list<ResponsePacket>&)>;
-// using response_ex_protocol = std::function<size_t (const char *, size_t, list<ResponsePacket>&, void*)>;
+// typedef std::function<TC_NetWorkBuffer::PACKET_TYPE(TC_NetWorkBuffer&, ResponsePacket&)> response_ex_protocol;
 
 //////////////////////////////////////////////////////////////////////
 /**
@@ -263,112 +156,11 @@ public:
      * @param request
      * @param buff
      */
-    static void streamRequest(const RequestPacket& request, shared_ptr<TC_NetWorkBuffer::SendBuffer>& buff)
+    static const vector<char> &streamRequest(const RequestPacket& request)
     {
-	    buff->setBuffer(request.sBuffer);
+        return request.sBuffer;
     }
 
-    // /**
-    //  * 普通二进制请求包
-    //  * @param request
-    //  * @param buff
-    //  */
-    // static void streamRequest(const RequestPacket& request, string& buff)
-    // {
-    //     buff.assign((const char*)(&request.sBuffer[0]), request.sBuffer.size());
-    // }
-
-    // /**
-    //  * 普通二进制 tars 请求包
-    //  * @param request
-    //  * @param buff
-    //  */
-    // template
-    // <
-    //     size_t   offset,
-    //     typename T,
-    //     bool     netorder,
-    //     size_t   idOffset,
-    //     typename K,
-    //     bool     idNetorder,
-    //     size_t   packetMaxSize
-    // >
-    // static size_t streamResponse(const char* recvBuffer, size_t length, list<ResponsePacket>& done)
-    // {
-    //     size_t pos = 0;
-
-    //     while (pos < length)
-    //     {
-    //         uint32_t len = length - pos;
-
-    //         if (len < offset + sizeof(T))
-    //         {
-    //             break;
-    //         }
-
-    //         T iHeaderLen = 0;
-
-    //         ::memcpy(&iHeaderLen, recvBuffer + pos + offset, sizeof(T));
-
-    //         if (netorder)
-    //         {
-    //             iHeaderLen = net2host<T>(iHeaderLen);
-    //         }
-
-    //         //做一下保护,长度大于10M
-    //         size_t sizeHeaderLen = static_cast<size_t>(iHeaderLen);
-    //         if (sizeHeaderLen > packetMaxSize || iHeaderLen == 0)
-    //         {
-    //             throw TarsDecodeException("packet length too long or zero,len:(" + TC_Common::tostr(packetMaxSize) + ")" + TC_Common::tostr(iHeaderLen));
-    //         }
-
-    //         //包没有接收全
-    //         if (len < iHeaderLen)
-    //         {
-    //             break;
-    //         }
-
-    //         ResponsePacket rsp;
-
-    //         rsp.sBuffer.reserve(iHeaderLen);
-    //         rsp.sBuffer.resize(iHeaderLen);
-
-    //         ::memcpy(&rsp.sBuffer[0], recvBuffer + pos, iHeaderLen);
-
-    //         K requestId;
-
-    //         ::memcpy(&requestId, recvBuffer + pos + idOffset, sizeof(K));
-
-    //         if (idNetorder)
-    //         {
-    //             requestId = net2host<K>(requestId);
-    //         }
-
-    //         rsp.iRequestId = static_cast<uint32_t>(requestId);
-
-    //         done.push_back(rsp);
-
-    //         pos += iHeaderLen;
-    //     }
-
-    //     return pos;
-    // }
-
-    // template
-    // <
-    //     size_t   offset,
-    //     typename T,
-    //     bool     netorder,
-    //     size_t   idOffset,
-    //     typename K,
-    //     bool     idNetorder
-    // >
-    // static size_t streamResponse(const char* recvBuffer, size_t length, list<ResponsePacket>& done)
-    // {
-    //     return streamResponse<offset, T, netorder, idOffset, K, idNetorder, 10000000>(recvBuffer, length, done);
-    // }
-
-
     /**
      * 普通二进制包普taf请求包
      * @param request
@@ -469,12 +261,6 @@ public:
         return tupResponseLen<TARS_NET_MIN_PACKAGE_SIZE, TARS_NET_MAX_PACKAGE_SIZE>(in, done);
     }
 
-    // static size_t tupResponse(const char* recvBuffer, size_t length, list<ResponsePacket>& done)
-    // {
-    //     return tupResponseLen<10000000>(recvBuffer,length,done);
-    // }
-
-
     template<uint32_t iMinLength, uint32_t iMaxLength>
     static TC_NetWorkBuffer::PACKET_TYPE tupResponseLen(TC_NetWorkBuffer &in, ResponsePacket& rsp)
     {
@@ -571,115 +357,13 @@ public:
         return TC_NetWorkBuffer::PACKET_FULL;
     }
 
-    // template<uint32_t iMaxLength>
-    // static size_t tupResponseLen(const char* recvBuffer, size_t length, list<ResponsePacket>& done)
-    // {
-    //     size_t pos = 0;
-    //     while (pos < length)
-    //     {
-    //         uint32_t len = length - pos;
-
-    //         if(len < sizeof(tars::Int32))
-    //         {
-    //             break;
-    //         }
-
-    //         uint32_t iHeaderLen = ntohl(*(uint32_t*)(recvBuffer + pos));
-
-    //         //做一下保护,长度大于10M
-    //         if (iHeaderLen > iMaxLength || iHeaderLen < sizeof(tars::Int32))
-    //         {
-    //             throw TarsDecodeException("packet length too long or too short,len:" + TC_Common::tostr(iHeaderLen));
-    //         }
-
-    //         //包没有接收全
-    //         if (len < iHeaderLen)
-    //         {
-    //             //看看包头是否正确
-    //             static const uint32_t head = 20;
-
-    //             if(len >= head)
-    //             {
-    //                 TarsInputStream<BufferReader> is;
-
-    //                 is.setBuffer(recvBuffer + pos + sizeof(tars::Int32), head);
-
-    //                 //tup回来是requestpackage
-    //                 RequestPacket rsp;
-
-    //                 is.read(rsp.iVersion, 1, true);
-
-    //                 if (rsp.iVersion != TUPVERSION)
-    //                 {
-    //                     throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(rsp.iVersion));
-    //                 }
-
-    //                 is.read(rsp.cPacketType, 2, true);
-
-    //                 if (rsp.cPacketType != TARSNORMAL)
-    //                 {
-    //                     throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
-    //                 }
-
-    //                 is.read(rsp.iMessageType, 3, true);
-    //                 is.read(rsp.iRequestId, 4, true);
-    //             }
-    //             break;
-    //         }
-    //         else
-    //         {
-    //             TarsInputStream<BufferReader> is;
-
-    //             //buffer包括4个字节长度
-    //             vector<char> buffer;
-
-    //             buffer.reserve(iHeaderLen);
-    //             buffer.resize(iHeaderLen);
-    //             memcpy(&(buffer[0]), recvBuffer + pos, iHeaderLen);
-
-    //             is.setBuffer(&(buffer[0]) + sizeof(tars::Int32), buffer.size() - sizeof(tars::Int32));
-
-    //             pos += iHeaderLen;
-
-    //             //TUP的响应包其实也是返回包
-    //             RequestPacket req;
-    //             req.readFrom(is);
-
-    //             if (req.iVersion != TUPVERSION )
-    //             {
-    //                 throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(req.iVersion));
-    //             }
-
-    //             if (req.cPacketType != TARSNORMAL)
-    //             {
-    //                 throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)req.cPacketType));
-    //             }
-
-    //             ResponsePacket rsp;
-    //             rsp.cPacketType     = req.cPacketType;
-    //             rsp.iMessageType    = req.iMessageType;
-    //             rsp.iRequestId      = req.iRequestId;
-    //             rsp.iVersion        = req.iVersion;
-    //             rsp.context         = req.context;
-    //             //tup的响应包直接放入到sBuffer里面
-    //             rsp.sBuffer         = buffer;
-
-    //             done.push_back(rsp);
-    //         }
-    //     }
-
-    //     return pos;
-    // }
-
-
 public:
     /**
      * tars请求包
      * @param request
      * @param buff
      */
-    static void tarsRequest(const RequestPacket& request, shared_ptr<TC_NetWorkBuffer::SendBuffer>& buff);
-    // static void tarsRequest(const RequestPacket& request, string& buff);
+    static vector<char> tarsRequest(const RequestPacket& request);
 
     /**
      * tars响应包解析
@@ -690,11 +374,6 @@ public:
     {
         return tarsResponseLen<TARS_NET_MIN_PACKAGE_SIZE, TARS_NET_MAX_PACKAGE_SIZE>(in, done);
     }
-    // static size_t tarsResponse(const char* recvBuffer, size_t length, list<ResponsePacket>& done)
-    // {
-    //     return tarsResponseLen<10000000>(recvBuffer,length,done);
-    // }
-
 
     template<uint32_t iMinLength, uint32_t iMaxLength>
     static TC_NetWorkBuffer::PACKET_TYPE tarsResponseLen(TC_NetWorkBuffer &in, ResponsePacket& rsp)
@@ -767,9 +446,6 @@ public:
             TarsInputStream<BufferReader> is;
             is.setBuffer(buffer.data(), buffer.size());
 
-            // pos += iHeaderLen;
-
-            // ResponsePacket rsp;
             rsp.readFrom(is);
 
             if (rsp.iVersion != TARSVERSION)
@@ -791,113 +467,22 @@ public:
         return TC_NetWorkBuffer::PACKET_FULL;
     }
 
-    // template<uint32_t iMaxLength>
-    // static size_t tarsResponseLen(const char* recvBuffer, size_t length, list<ResponsePacket>& done)
-    // {
-    //     size_t pos = 0;
-    //     while (pos < length)
-    //     {
-    //         uint32_t len = length - pos;
-    //         if(len < sizeof(tars::Int32))
-    //         {
-    //             break;
-    //         }
-
-    //         uint32_t iHeaderLen = ntohl(*(uint32_t*)(recvBuffer + pos));
-
-    //         //做一下保护,长度大于10M
-    //         if (iHeaderLen > iMaxLength || iHeaderLen < sizeof(tars::Int32))
-    //         {
-    //             throw TarsDecodeException("packet length too long or too short,len:" + TC_Common::tostr(iHeaderLen));
-    //         }
-
-    //         //包没有接收全
-    //         if (len < iHeaderLen)
-    //         {
-    //             //看看包头是否正确
-    //             static const uint32_t head = 20;
-
-    //             if(len >= head)
-    //             {
-    //                 TarsInputStream<BufferReader> is;
-    //                 is.setBuffer(recvBuffer + pos + sizeof(tars::Int32), head);
-
-    //                 ResponsePacket rsp;
-    //                 is.read(rsp.iVersion, 1, false);
-
-    //                 if (rsp.iVersion != TARSVERSION)
-    //                 {
-    //                     throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(rsp.iVersion));
-    //                 }
-
-    //                 is.read(rsp.cPacketType, 2, false);
-
-    //                 if (rsp.cPacketType != TARSNORMAL)
-    //                 {
-    //                     throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
-    //                 }
-
-    //                 is.read(rsp.iRequestId, 3, false);
-    //                 is.read(rsp.iMessageType, 4, false);
-    //                 is.read(rsp.iRet, 5, false);
-
-    //                 if (rsp.iRet < TARSSERVERUNKNOWNERR)
-    //                 {
-    //                     throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
-    //                 }
-    //             }
-    //             break;
-    //         }
-    //         else
-    //         {
-    //             TarsInputStream<BufferReader> is;
-    //             is.setBuffer(recvBuffer + pos + sizeof(tars::Int32), iHeaderLen - sizeof(tars::Int32));
-    //             pos += iHeaderLen;
-
-    //             ResponsePacket rsp;
-    //             rsp.readFrom(is);
-
-    //             if (rsp.iVersion != TARSVERSION)
-    //             {
-    //                 throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(rsp.iVersion));
-    //             }
-
-    //             if (rsp.cPacketType != TARSNORMAL)
-    //             {
-    //                 throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
-    //             }
-
-    //             if (rsp.iRet < TARSSERVERUNKNOWNERR)
-    //             {
-    //                 throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
-    //             }
-
-    //             done.push_back(rsp);
-    //         }
-    //     }
-
-    //     return pos;
-    // }
-
 public:
     request_protocol  requestFunc;
 
     response_protocol responseFunc;
 
-    response_ex_protocol responseExFunc;
+    // response_ex_protocol responseExFunc;
 };
 
-class TC_NgHttp2;
-
-void http1Request(const tars::RequestPacket& request, std::string& out);
-size_t http1Response(const char* recvBuffer, size_t length, std::list<tars::ResponsePacket>& done);
-std::string encodeHttp2(RequestPacket& request, TC_NgHttp2* session);
+vector<char> http1Request(const tars::RequestPacket& request);
+TC_NetWorkBuffer::PACKET_TYPE http1Response(TC_NetWorkBuffer &in, ResponsePacket& done);
 
 // ENCODE function, called by network thread
-void http2Request(const tars::RequestPacket& request, std::string& out);
+vector<char> http2Request(const tars::RequestPacket& request);
 
 // DECODE function, called by network thread
-size_t http2Response(const char* recvBuffer, size_t length, std::list<tars::ResponsePacket>& done, void* userData);
+TC_NetWorkBuffer::PACKET_TYPE http2Response(TC_NetWorkBuffer &in, ResponsePacket& done);
 
 
 //////////////////////////////////////////////////////////////////////
diff --git a/servant/servant/ServantProxy.h b/servant/servant/ServantProxy.h
index b0212ff..1353975 100644
--- a/servant/servant/ServantProxy.h
+++ b/servant/servant/ServantProxy.h
@@ -380,10 +380,12 @@ public:
                                         int expCode) = 0;
 };
 
+typedef TC_AutoPtr<HttpCallback> HttpCallbackPtr;
+
 class HttpServantProxyCallback : virtual public ServantProxyCallback
 {
 public:
-    explicit HttpServantProxyCallback(HttpCallback* cb);
+    explicit HttpServantProxyCallback(const HttpCallbackPtr& cb);
 
     /**
      * 异步回调对象实现该方法，进行业务逻辑处理
@@ -401,7 +403,7 @@ public:
 
 
 private:
-    TC_AutoPtr<HttpCallback> _httpCb;
+    HttpCallbackPtr _httpCb;
 };
 
 //////////////////////////////////////////////////////////////////////////
@@ -675,7 +677,7 @@ public:
      */
     void http_call_async(const std::map<std::string, std::string>& headers,
                          const std::string& body,
-                         HttpCallback* cb);
+                         const HttpCallbackPtr &cb);
 
     /**
      * 在RequestPacket中的context设置主调信息标识
diff --git a/util/include/util/tc_http.h b/util/include/util/tc_http.h
index 081eca7..e2263bd 100755
--- a/util/include/util/tc_http.h
+++ b/util/include/util/tc_http.h
@@ -521,7 +521,7 @@ public:
      *
      * @return http内容串
      */
-    string getContent() const { return _content; }
+    const string &getContent() const { return _content; }
 
     /**
      * @brief 设置http body(默认不修改content-length).
diff --git a/util/include/util/tc_http2session.h b/util/include/util/tc_http2session.h
index 533c6f9..480cd10 100644
--- a/util/include/util/tc_http2session.h
+++ b/util/include/util/tc_http2session.h
@@ -57,6 +57,8 @@ public:
             method = it->second.method;
         else
             return -1;
+
+        return 0;
     }
 
     int getUri(int32_t reqid, string &uri)
@@ -67,6 +69,8 @@ public:
             uri = it->second.uri;
         else
             return -1;
+
+        return 0;
     }
 
     int getHeader(int32_t reqid, TC_Http::http_header_type &header)
@@ -77,6 +81,8 @@ public:
             header = it->second.header;
         else
             return -1;
+
+        return 0;
     }
 
     int getBody(int32_t reqid, string &body)
@@ -87,6 +93,8 @@ public:
             body = it->second.body;
         else
             return -1;
+
+        return 0;
     }
 
     int doRequest(const vector<char> &request, vector<char>& response);
@@ -147,8 +155,8 @@ private:
 
     TC_ThreadLock nghttpLock;
 
-    bool bOldVersion_;
-    bool bUpgrade_;
+    // bool bOldVersion_;
+    // bool bUpgrade_;
 };
 
 typedef TC_AutoPtr<TC_Http2Session> TC_Http2SessionPtr;
diff --git a/util/include/util/tc_network_buffer.h b/util/include/util/tc_network_buffer.h
index 51e73f4..bfa7622 100755
--- a/util/include/util/tc_network_buffer.h
+++ b/util/include/util/tc_network_buffer.h
@@ -219,6 +219,12 @@ public:
      */
     uint32_t getValueOf4() const;
 
+    /**
+     * http协议判读
+     * @return
+     */
+    TC_NetWorkBuffer::PACKET_TYPE checkHttp();
+
     /**
     * 解析一个包头是1字节的包, 把包体解析出来(解析后, 往后移动)
     * 注意: buffer只返回包体, 不包括头部的1个字节的长度
@@ -303,13 +309,6 @@ public:
     static TC_NetWorkBuffer::PACKET_TYPE parseEcho(TC_NetWorkBuffer&in, vector<char> &out);
 
 protected:
-    /**
-     * 检查http请求包是否齐全
-     * @param buffer, 将所有数据返回到buffer中
-     * @return, true: http包完整了, false: http还不完整
-     */
-//    bool checkHttp(std::string &buffer) const;
-
     template<typename T>
     T getValue() const
     {
@@ -365,6 +364,7 @@ protected:
         moveHeader(length - sizeof(T));
         return PACKET_FULL;
     }
+
 protected:
     /**
      * 连接信息(不同的类里面不一样)
diff --git a/util/include/util/tc_nghttp2.h b/util/include/util/tc_nghttp2.h
index 76c63e6..fedc82f 100644
--- a/util/include/util/tc_nghttp2.h
+++ b/util/include/util/tc_nghttp2.h
@@ -58,15 +58,15 @@ struct Http2Response
 /** 
  *@brief  注册给taf client网络线程使用的打包函数
  */
-void http2Request(const RequestPacket& , std::string& );
+// void http2Request(const RequestPacket& , std::string& );
 
 /** 
  *@brief  NGHTTP2封装
  */
 class TC_NgHttp2
 {
-     friend void http2Request(const RequestPacket& , std::string& );
-     friend size_t http2Response(const char* , size_t , std::list<tars::ResponsePacket>& , void*);
+    //  friend const vector<char> & http2Request(const RequestPacket&);
+    //  friend size_t http2Response(const char* , size_t , std::list<tars::ResponsePacket>& , void*);
 public:
     /** 
      *@brief  注册给ng session的send回调
diff --git a/util/src/tc_http2session.cpp b/util/src/tc_http2session.cpp
index 91a2412..336e97b 100644
--- a/util/src/tc_http2session.cpp
+++ b/util/src/tc_http2session.cpp
@@ -240,7 +240,6 @@ int TC_Http2Session::parse(string &in, string &out)
 {
     if(bNewCon_)
     {
-        //���ӵ��׸���
         bNewCon_ = false;
 
         nghttp2_settings_entry iv[2] = {{NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100},
@@ -251,7 +250,7 @@ int TC_Http2Session::parse(string &in, string &out)
     int readlen = nghttp2_session_mem_recv(session_, (uint8_t *)in.c_str(), in.size()); 
     if(readlen < 0)
     {
-        return TC_EpollServer::PACKET_ERR;
+        return TC_NetWorkBuffer::PACKET_ERR;
     }
     else
     {
@@ -260,9 +259,9 @@ int TC_Http2Session::parse(string &in, string &out)
         out.clear();
         out.swap(reqout_);
         if (out.empty())
-            return TC_EpollServer::PACKET_LESS;
+            return TC_NetWorkBuffer::PACKET_LESS;
         else
-            return TC_EpollServer::PACKET_FULL;
+            return TC_NetWorkBuffer::PACKET_FULL;
     }
 }
 
diff --git a/util/src/tc_network_buffer.cpp b/util/src/tc_network_buffer.cpp
index ba941b4..a0ab7fa 100755
--- a/util/src/tc_network_buffer.cpp
+++ b/util/src/tc_network_buffer.cpp
@@ -268,53 +268,22 @@ TC_NetWorkBuffer::PACKET_TYPE TC_NetWorkBuffer::parseBufferOf4(vector<char> &buf
 //    return PACKET_LESS;
 //}
 
-TC_NetWorkBuffer::PACKET_TYPE TC_NetWorkBuffer::parseHttp(TC_NetWorkBuffer&in, vector<char> &out)
+TC_NetWorkBuffer::PACKET_TYPE TC_NetWorkBuffer::checkHttp()
 {
-    try
+   try
     {
-        if(in._bufferList.empty())
+        const static int headerLen = 10;
+        if(_bufferList.empty() || getBufferLength() <= headerLen)
         {
             return PACKET_LESS;
         }
 
 	    vector<char> buffer;
+        getHeader(headerLen, buffer);
 
-        bool b;
-
-        if(in._bufferList.empty())
-        {
-            b = false;
-        }
-        else
-        {
-            //不用size来判读只有一个元素, list的size会比较慢!!!
-
-            auto it = in._bufferList.begin();
-            auto pre = it;
-
-            ++it;
-
-            if (it == in._bufferList.end())
-            {
-                //只有一个buffer
-                b = TC_HttpRequest::checkRequest(pre->data(), pre->size());
-				if (b)
-				{
-					buffer = in.getBuffers();
-				}
-            }
-            else
-            {
-            	//todo 性能还需要优化
-                buffer = in.getBuffers();
-                b = TC_HttpRequest::checkRequest(buffer.data(), buffer.size());
-            }
-        }
-
+        bool b = TC_HttpRequest::checkRequest(buffer.data(), buffer.size());
         if (b)
         {
-            out.swap(buffer);
-            in.clearBuffers();
             return PACKET_FULL;
         }
         else
@@ -330,6 +299,19 @@ TC_NetWorkBuffer::PACKET_TYPE TC_NetWorkBuffer::parseHttp(TC_NetWorkBuffer&in, v
     return PACKET_LESS;
 }
 
+TC_NetWorkBuffer::PACKET_TYPE TC_NetWorkBuffer::parseHttp(TC_NetWorkBuffer&in, vector<char> &out)
+{
+    TC_NetWorkBuffer::PACKET_TYPE b = in.checkHttp();
+
+    if (b == PACKET_FULL)
+    {
+        out = in.getBuffers();
+        in.clearBuffers();
+    }
+
+    return b;
+}
+
 TC_NetWorkBuffer::PACKET_TYPE TC_NetWorkBuffer::parseEcho(TC_NetWorkBuffer&in, vector<char> &out)
 {
     try