diff --git a/src/Http/HttpSession.cpp b/src/Http/HttpSession.cpp
index 72941d08..d6fad69c 100644
--- a/src/Http/HttpSession.cpp
+++ b/src/Http/HttpSession.cpp
@@ -102,8 +102,8 @@ get_mime_type(const char* name) {
 
 HttpSession::HttpSession(const Socket::Ptr &pSock) : TcpSession(pSock) {
     TraceP(this);
-	//设置15秒发送超时时间
-	pSock->setSendTimeOutSecond(15);
+    GET_CONFIG(uint32_t,keep_alive_sec,Http::kKeepAliveSecond);
+    pSock->setSendTimeOutSecond(keep_alive_sec);
 	//起始接收buffer缓存设置为4K，节省内存
 	pSock->setReadBuffer(std::make_shared<BufferRaw>(4 * 1024));
 }
diff --git a/src/Rtmp/RtmpSession.cpp b/src/Rtmp/RtmpSession.cpp
index 2c06342a..f643c77b 100644
--- a/src/Rtmp/RtmpSession.cpp
+++ b/src/Rtmp/RtmpSession.cpp
@@ -35,8 +35,8 @@ static int kSockFlags = SOCKET_DEFAULE_FLAGS | FLAG_MORE;
 
 RtmpSession::RtmpSession(const Socket::Ptr &pSock) : TcpSession(pSock) {
 	DebugP(this);
-    //设置15秒发送超时时间
-    pSock->setSendTimeOutSecond(15);
+    GET_CONFIG(uint32_t,keep_alive_sec,Rtmp::kKeepAliveSecond);
+    pSock->setSendTimeOutSecond(keep_alive_sec);
     //起始接收buffer缓存设置为4K，节省内存
     pSock->setReadBuffer(std::make_shared<BufferRaw>(4 * 1024));
 }
diff --git a/src/Rtsp/RtspSession.cpp b/src/Rtsp/RtspSession.cpp
index 194191f9..b0a0bea2 100644
--- a/src/Rtsp/RtspSession.cpp
+++ b/src/Rtsp/RtspSession.cpp
@@ -73,8 +73,8 @@ static int kSockFlags = SOCKET_DEFAULE_FLAGS | FLAG_MORE;
 
 RtspSession::RtspSession(const Socket::Ptr &pSock) : TcpSession(pSock) {
     DebugP(this);
-    //设置15秒发送超时时间
-    pSock->setSendTimeOutSecond(15);
+    GET_CONFIG(uint32_t,keep_alive_sec,Rtsp::kKeepAliveSecond);
+    pSock->setSendTimeOutSecond(keep_alive_sec);
     //起始接收buffer缓存设置为4K，节省内存
     pSock->setReadBuffer(std::make_shared<BufferRaw>(4 * 1024));
 }