diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 32361898..6c476bed 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 323618980315228e46a68204c88c482c150aab82
+Subproject commit 6c476bed4f0d0ee51bb550757aad71b4a412d92f
diff --git a/webrtc/WebRtcTransport.cpp b/webrtc/WebRtcTransport.cpp
index 7d10b06f..822015f9 100644
--- a/webrtc/WebRtcTransport.cpp
+++ b/webrtc/WebRtcTransport.cpp
@@ -43,9 +43,11 @@ static onceToken token([]() {
 
 }//namespace RTC
 
+static atomic<uint64_t> s_key{0};
+
 WebRtcTransport::WebRtcTransport(const EventPoller::Ptr &poller) {
     _poller = poller;
-    _identifier = to_string(reinterpret_cast<uint64_t>(this));
+    _identifier = to_string(++s_key);
     _packet_pool.setSize(64);
 }