diff --git a/webrtc/WebRtcSession.cpp b/webrtc/WebRtcSession.cpp
index 1443269b..6a83ac06 100644
--- a/webrtc/WebRtcSession.cpp
+++ b/webrtc/WebRtcSession.cpp
@@ -55,7 +55,7 @@ void WebRtcSession::onRecv(const Buffer::Ptr &buffer) {
         //只允许寻找一次transport
         _find_transport = false;
         auto user_name = getUserName(buffer);
-        _identifier = user_name + '-' + to_string(reinterpret_cast<uint64_t>(this));
+        _identifier = to_string(getSock()->rawFD()) + '-' + user_name;
         auto transport = WebRtcTransportManager::Instance().getItem(user_name);
         CHECK(transport && transport->getPoller()->isCurrentThread());
         transport->setSession(shared_from_this());