diff --git a/examples/CustomDemo/CustomClient/main.cpp b/examples/CustomDemo/CustomClient/main.cpp
index 3ae78fc..41fcdc1 100644
--- a/examples/CustomDemo/CustomClient/main.cpp
+++ b/examples/CustomDemo/CustomClient/main.cpp
@@ -80,11 +80,13 @@ public:
     virtual int onDispatchResponse(const RequestPacket &req, const ResponsePacket &rsp)
 	{
 		cout << "async response:" << rsp.sBuffer.data() << endl;
+		return 0;
 	}
 
     virtual int onDispatchException(const RequestPacket &req, const ResponsePacket &rsp)
 	{
 		cout << "async exception:" << rsp.iRet << endl;
+		return 0;
 	}
 };
 
diff --git a/examples/QuickStartDemo/HelloServer/Client/main.cpp b/examples/QuickStartDemo/HelloServer/Client/main.cpp
index 99063f1..92279ce 100644
--- a/examples/QuickStartDemo/HelloServer/Client/main.cpp
+++ b/examples/QuickStartDemo/HelloServer/Client/main.cpp
@@ -165,6 +165,9 @@ void syncTupCall(int c)
 
             int ret = rsp.get<int>("");            
             string sRsp = rsp.get<string>("sRsp");
+
+			// assert(ret == 0);
+			// assert(sRsp == buffer);
 		}
 		catch(exception& e)
 		{
diff --git a/servant/libservant/TarsCurrent.cpp b/servant/libservant/TarsCurrent.cpp
index b9cb4e9..f071b9e 100644
--- a/servant/libservant/TarsCurrent.cpp
+++ b/servant/libservant/TarsCurrent.cpp
@@ -258,7 +258,7 @@ void TarsCurrent::sendResponse(const char* buff, uint32_t len)
 }
 
 
-void TarsCurrent::sendResponse(int iRet, const vector<char> &buff, bool push)
+void TarsCurrent::sendResponse(int iRet, const vector<char> &buff)
 {
 	//单向调用不需要返回
 	if (_request.cPacketType == TARSONEWAY)
@@ -268,35 +268,35 @@ void TarsCurrent::sendResponse(int iRet, const vector<char> &buff, bool push)
 
 	// ResponsePacket response;
 	// response.sBuffer = buff;
-	sendResponse(iRet, buff, TARS_STATUS(), "", push);
+	sendResponse(iRet, buff, TARS_STATUS(), "");
 }
 
 void TarsCurrent::sendResponse(int iRet)
 {
 	// ResponsePacket response;
-	sendResponse(iRet, vector<char>(), TARS_STATUS(), "", false);
+	sendResponse(iRet, vector<char>(), TARS_STATUS(), "");
 }
 
-void TarsCurrent::sendResponse(int iRet, tars::TarsOutputStream<tars::BufferWriterVector>& os, bool push)
+void TarsCurrent::sendResponse(int iRet, tars::TarsOutputStream<tars::BufferWriterVector>& os)
 {
 	// ResponsePacket response;
 	// os.swap(response.sBuffer);
-	sendResponse(iRet, os.getByteBuffer(), TARS_STATUS(), "", push);
+	sendResponse(iRet, os.getByteBuffer(), TARS_STATUS(), "");
 }
 
-void TarsCurrent::sendResponse(int iRet, tup::UniAttribute<tars::BufferWriterVector, tars::BufferReader>& attr, bool push)
+void TarsCurrent::sendResponse(int iRet, tup::UniAttribute<tars::BufferWriterVector, tars::BufferReader>& attr)
 {
 	ResponsePacket response;
 	attr.encode(response.sBuffer);
-	sendResponse(iRet, response.sBuffer, TARS_STATUS(), "", push);
+	sendResponse(iRet, response.sBuffer, TARS_STATUS(), "");
 }
 
-void TarsCurrent::sendResponse(int iRet, const vector<char> &buffer,  const map<string, string>& status, const string & sResultDesc, bool push)
+void TarsCurrent::sendResponse(int iRet, const vector<char> &buffer,  const map<string, string>& status, const string & sResultDesc)
 {
     _ret = iRet;
 
     //单向调用不需要返回
-    if (_request.cPacketType == TARSONEWAY && !push)
+    if (_request.cPacketType == TARSONEWAY)
     {
         return;
     }
@@ -318,14 +318,7 @@ void TarsCurrent::sendResponse(int iRet, const vector<char> &buffer,  const map<
 
         response.iRequestId     = _request.iRequestId;
         response.iMessageType   = _request.iMessageType;
-		if(push)
-		{
-			response.cPacketType    = TARSPUSH;
-		}
-		else
-		{
-			response.cPacketType    = TARSNORMAL;
-		}
+		response.cPacketType    = TARSNORMAL;
 
         response.iVersion       = _request.iVersion;
         response.status         = status;
@@ -349,14 +342,7 @@ void TarsCurrent::sendResponse(int iRet, const vector<char> &buffer,  const map<
 
         response.iRequestId     = _request.iRequestId;
         response.iMessageType   = _request.iMessageType;
-		if(push)
-		{
-			response.cPacketType    = TARSPUSH;
-		}
-		else
-		{
-			response.cPacketType    = TARSNORMAL;
-		}
+		response.cPacketType    = TARSNORMAL;
 
         response.iVersion       = _request.iVersion;
         response.status         = status;
diff --git a/servant/servant/TarsCurrent.h b/servant/servant/TarsCurrent.h
index 16ed790..5061efc 100644
--- a/servant/servant/TarsCurrent.h
+++ b/servant/servant/TarsCurrent.h
@@ -199,7 +199,7 @@ public:
      * @param status
      * @param buffer
      */
-	void sendResponse(int iRet, tars::TarsOutputStream<tars::BufferWriterVector>& os, bool push = false);
+	void sendResponse(int iRet, tars::TarsOutputStream<tars::BufferWriterVector>& os);
 
     /**
      * taf协议的发送响应数据(仅TAF协议有效), 直接swapbuffer , 这样可以不用copy 数据
@@ -207,14 +207,14 @@ public:
      * @param status
      * @param buffer
      */
-	void sendResponse(int iRet, tup::UniAttribute<tars::BufferWriterVector, tars::BufferReader>& attr, bool push = false);
+	void sendResponse(int iRet, tup::UniAttribute<tars::BufferWriterVector, tars::BufferReader>& attr);
 
 	/**
 	 * taf协议的发送响应数据(仅TAF协议有效)
 	 * @param iRet
 	 * @param buff
 	 */
-	void sendResponse(int iRet, const vector<char> &buff, bool push = false);
+	void sendResponse(int iRet, const vector<char> &buff);
 
 	/**
      * 普通协议的发送响应数据(非TAF协议有效)
@@ -287,7 +287,7 @@ protected:
      * @param sResultDesc
      * @param push
      */
-	void sendResponse(int iRet, const vector<char> &buffer, const map<string, string>& status, const string& sResultDesc, bool push = false);
+	void sendResponse(int iRet, const vector<char> &buffer, const map<string, string>& status, const string& sResultDesc);
 
 protected:
     /**
diff --git a/util/src/tc_timeprovider.cpp b/util/src/tc_timeprovider.cpp
index e4a1c35..e035e53 100644
--- a/util/src/tc_timeprovider.cpp
+++ b/util/src/tc_timeprovider.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "util/tc_timeprovider.h"
+#include <cmath>
 
 namespace tars
 {