diff --git a/server/wsproxy/kcpsession.cc b/server/wsproxy/kcpsession.cc
index ee9e859..50126ba 100644
--- a/server/wsproxy/kcpsession.cc
+++ b/server/wsproxy/kcpsession.cc
@@ -66,6 +66,7 @@ void KcpSession::SendClientMsg(char* buf, int buf_len)
 
 void KcpSession::OnRecvPacket(a8::UdpPacket* pkt)
 {
+    remote_addr_ = pkt->remote_addr;
     ikcp_input(kcp_, pkt->buf, pkt->buf_len);
 }