diff --git a/CMakeLists.txt b/CMakeLists.txt
index d3ac6b0..ce44ffd 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -263,6 +263,7 @@ ExternalProject_Add(${LIB_HTTP2}
     BUILD_COMMAND make
     INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "install"
     URL_MD5 5df375bbd532fcaa7cd4044b54b1188d
+#    URL_MD5 9521689460b4a57912acd3f88f301a3a
     )
 endif()
 
diff --git a/examples/HttpDemo/Http2Client/main.cpp b/examples/HttpDemo/Http2Client/main.cpp
index d7198b9..2344d50 100644
--- a/examples/HttpDemo/Http2Client/main.cpp
+++ b/examples/HttpDemo/Http2Client/main.cpp
@@ -48,6 +48,7 @@ void syncRpc2(int c)
     std::map<std::string, std::string> header;
     header[":authority"] = "domain.com";
     header[":scheme"] = "http";
+    // header[":method"] = "POST";
 
     std::map<std::string, std::string> rheader;
     //发起远程调用
diff --git a/servant/libservant/AppProtocol.cpp b/servant/libservant/AppProtocol.cpp
index 608cfcd..6aa0ca1 100644
--- a/servant/libservant/AppProtocol.cpp
+++ b/servant/libservant/AppProtocol.cpp
@@ -128,7 +128,7 @@ vector<char> ProxyProtocol::http2Request(RequestPacket& request, Transceiver *tr
 
 		trans->getSendBuffer()->setContextData(session, [=]{delete session;});
 
-		session->settings();
+		session->settings(3000);
 	}
 
 	request.iRequestId = session->submit(request.sFuncName, request.sServantName, request.context, request.sBuffer);
@@ -147,14 +147,6 @@ vector<char> ProxyProtocol::http2Request(RequestPacket& request, Transceiver *tr
 TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::http2Response(TC_NetWorkBuffer &in, ResponsePacket& rsp)
 {
 	TC_Http2Client* session = (TC_Http2Client*)((Transceiver*)(in.getConnection()))->getSendBuffer()->getContextData();
-	if(session == NULL)
-	{
-		session = new TC_Http2Client();
-
-		((Transceiver*)(in.getConnection()))->getSendBuffer()->setContextData(session, [=]{delete session;});
-
-		session->settings(3000);
-	}
 
 	pair<int, shared_ptr<TC_HttpResponse>> out;
 	TC_NetWorkBuffer::PACKET_TYPE flag = session->parseResponse(in, out);
diff --git a/util/src/tc_consistent_hash_new.cpp b/util/src/tc_consistent_hash_new.cpp
index 6211395..6744452 100755
--- a/util/src/tc_consistent_hash_new.cpp
+++ b/util/src/tc_consistent_hash_new.cpp
@@ -214,18 +214,19 @@ int TC_ConsistentHashNew::getIndex(int32_t hashcode, unsigned int & iIndex)
     size_t iCode = (hashcode & 0xFFFFFFFFL);
 
     int low = 0;
-    size_t high = _vHashList.size();
+    int high = (int)_vHashList.size();
 
-    if(iCode <= _vHashList[0].iHashCode || iCode > _vHashList[high-1].iHashCode)
+    if(iCode <= (size_t)_vHashList[0].iHashCode || iCode > (size_t)_vHashList[high-1].iHashCode)
     {
         iIndex = _vHashList[0].iIndex;
         return 0;
     }
 
+
     while (low < high - 1)
     {
         int mid = (low + high) / 2;
-        if (_vHashList[mid].iHashCode > iCode)
+        if ((size_t)_vHashList[mid].iHashCode > iCode)
         {
             high = mid;
         }
diff --git a/util/src/tc_file.cpp b/util/src/tc_file.cpp
index 10abe0f..4f23103 100644
--- a/util/src/tc_file.cpp
+++ b/util/src/tc_file.cpp
@@ -414,29 +414,29 @@ string TC_File::load2str(const string &sFullFileName)
 {
 // #if TARGET_PLATFORM_LINUX || TARGET_PLATFORM_IOS
     
-//     ifstream ifs(sFullFileName.c_str());
+    ifstream ifs(sFullFileName.c_str());
 
-//     return string(istreambuf_iterator<char>(ifs), istreambuf_iterator<char>());
+    return string(istreambuf_iterator<char>(ifs), istreambuf_iterator<char>());
 
 // #elif TARGET_PLATFORM_WINDOWS
-	std::ifstream::pos_type iLen = TC_File::getFileSize(sFullFileName);
-	FILE* fp = TC_Port::fopen(sFullFileName.c_str(), "rb");
-	// if (fopen_s(&fp, sFullFileName.c_str(), "rb") == 0)	
-    if(fp != NULL)
-	{
-		char* sBuffer = new char[iLen];
-		size_t l = fread(sBuffer, 1, iLen, fp);
-		fclose(fp);
-		if (l != iLen)
-		{
-			delete[] sBuffer;
-			return "";
-		}
-		std::string s(sBuffer, iLen);
-		delete[] sBuffer;
-		return s;
-	}
-	return "";
+	// std::ifstream::pos_type iLen = TC_File::getFileSize(sFullFileName);
+	// FILE* fp = TC_Port::fopen(sFullFileName.c_str(), "rb");
+	// // if (fopen_s(&fp, sFullFileName.c_str(), "rb") == 0)	
+    // if(fp != NULL)
+	// {
+	// 	char* sBuffer = new char[iLen];
+	// 	size_t l = fread(sBuffer, 1, iLen, fp);
+	// 	fclose(fp);
+	// 	if (l != iLen)
+	// 	{
+	// 		delete[] sBuffer;
+	// 		return "";
+	// 	}
+	// 	std::string s(sBuffer, iLen);
+	// 	delete[] sBuffer;
+	// 	return s;
+	// }
+	// return "";
 // #endif    
 }
 
@@ -461,7 +461,7 @@ bool TC_File::load2str(const string &sFullFileName, vector<char> &data)
 	// if (fopen_s(&fp, sFullFileName.c_str(), "rb") == 0)	
 	{
         data.resize(iLen);
-		size_t l = fread(data.data(), 1, iLen, fp);
+		int l = fread(data.data(), 1, iLen, fp);
 		fclose(fp);
 		if (l != iLen)
 		{
diff --git a/util/src/tc_http2.cpp b/util/src/tc_http2.cpp
index b95d473..ce21f2c 100644
--- a/util/src/tc_http2.cpp
+++ b/util/src/tc_http2.cpp
@@ -43,7 +43,7 @@ int TC_Http2::settings(unsigned int maxCurrentStreams)
 {
 	nghttp2_settings_entry iv[2] = {
 		{NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, maxCurrentStreams},
-		{NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, 100 * 1024 * 1024},
+		{NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, 1024 * 1024},
 	};
 
 	/* 24 bytes magic string also will be sent*/
@@ -364,19 +364,6 @@ int TC_Http2Server::encodeResponse(const shared_ptr<TC_Http2Server::Http2Context
 	return 0;
 }
 
-////////////////////////////////////////////////////////////////////////////////////////
-//
-//void TC_Http2Client::Http2Response::swap(Http2Response& other)
-//{
-//    if (this == &other)
-//        return;
-//
-//    std::swap(streamId, other.streamId);
-//    headers.swap(other.headers);
-//    body.swap(other.body);
-//    std::swap(state, other.state);
-//}
-
 ///////////////////////////////////////////////////////////////////////////////////////
 
 namespace client
@@ -384,7 +371,7 @@ namespace client
 static ssize_t send_callback(nghttp2_session* session, const uint8_t* data, size_t length, int flags, void* user_data)
 {
     TC_Http2Client* nghttp2 = (TC_Http2Client* )user_data;
-    nghttp2->buffer().insert(nghttp2->buffer().end(), (const char*)data, (const char*)data + length);
+    nghttp2->insertBuff((const char*)data, length);
 
     return length;
 }
@@ -397,9 +384,6 @@ static int on_begin_headers_callback(nghttp2_session* session, const nghttp2_fra
     {
         if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE)
         {
-//            TC_HttpResponse rsp;
-//            rsp.streamId = frame->hd.stream_id;
-//            rsp.state = TC_Http2Client::ResponseNone;
             nghttp2->responses()[frame->hd.stream_id] = std::make_shared<TC_HttpResponse>();
         }
     }
@@ -449,7 +433,6 @@ static int on_frame_recv_callback(nghttp2_session* session, const nghttp2_frame*
             if (frame->hd.flags & NGHTTP2_FLAG_END_HEADERS)
             {
             	;
-//                it->second.state = TC_Http2Client::ResponseHeadersDone;
             }
             return 0;
 
@@ -484,8 +467,6 @@ static int on_stream_close_callback(nghttp2_session* session, int32_t stream_id,
         return NGHTTP2_ERR_CALLBACK_FAILURE;
     }
 
-//    it->second.state = TC_Http2Client::ResponseBodyDone;
-
 	nghttp2->doneResponses()[stream_id] = it->second;
 	nghttp2->responses().erase(it);
 
@@ -494,19 +475,7 @@ static int on_stream_close_callback(nghttp2_session* session, int32_t stream_id,
 
 }
 
-#define MAKE_NV(NAME, VALUE, VALUELEN)                                         \
-      {                                                                            \
-              (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, VALUELEN,             \
-                  NGHTTP2_NV_FLAG_NONE                                                   \
-            }
-
-#define MAKE_NV2(NAME, VALUE)                                                  \
-      {                                                                            \
-              (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,    \
-                  NGHTTP2_NV_FLAG_NONE                                                   \
-            }
-
-#define MAKE_STRING_NV(NAME, VALUE) {(uint8_t*)(NAME.data()), (uint8_t*)(VALUE.data()), NAME.size(), VALUE.size(), NGHTTP2_NV_FLAG_NONE};
+#define MAKE_STRING_NV(NAME, VALUE) {(uint8_t*)(NAME.c_str()), (uint8_t*)(VALUE.c_str()), NAME.size(), VALUE.size(), NGHTTP2_NV_FLAG_NONE};
 
 TC_Http2Client::TC_Http2Client()
 {
@@ -532,14 +501,14 @@ int TC_Http2Client::submit(const string &method, const string &path, const map<s
 {
 	std::vector<nghttp2_nv> nva;
 
-//	const std::string method(":method");
-	nghttp2_nv nv1 = MAKE_STRING_NV(string(":method"), method);
+	const std::string smethod(":method");
+	nghttp2_nv nv1 = MAKE_STRING_NV(smethod, method);
 	if (!method.empty()) {
 		nva.push_back(nv1);
 	}
 
-//	const std::string path(":path");
-	nghttp2_nv nv2 = MAKE_STRING_NV(string(":path"), path);
+	const std::string spath(":path");
+	nghttp2_nv nv2 = MAKE_STRING_NV(spath, path);
 	if (!path.empty())
 		nva.push_back(nv2);
 
@@ -572,9 +541,9 @@ int TC_Http2Client::submit(const string &method, const string &path, const map<s
 		return _err;
 	}
 
-	int sid = _err;
-
-	int _err = nghttp2_session_send(_session);
+    int sid = _err;
+    
+	_err = nghttp2_session_send(_session);
 	if (_err != 0) {
 		return _err;
 	}