diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 02c344ef..8390b181 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 02c344efb0eba8bd4f1eec8fb5dce3db5bda284a
+Subproject commit 8390b18171dd7a49b71cb28bd718bb9372c1421b
diff --git a/src/Rtsp/RtspPlayer.cpp b/src/Rtsp/RtspPlayer.cpp
index c4768ace..5b2de918 100644
--- a/src/Rtsp/RtspPlayer.cpp
+++ b/src/Rtsp/RtspPlayer.cpp
@@ -305,7 +305,7 @@ void RtspPlayer::handleResSETUP(const Parser &parser, unsigned int uiTrackIndex)
 		    //udp组播
 			auto multiAddr = FindField((strTransport + ";").data(), "destination=", ";");
             pRtpSockRef.reset(new Socket());
-			if (!pRtpSockRef->bindUdpSock(rtp_port, "0.0.0.0")) {
+			if (!pRtpSockRef->bindUdpSock(rtp_port, multiAddr.data())) {
 				pRtpSockRef.reset();
 				throw std::runtime_error("open udp sock err");
 			}