diff --git a/server/wsproxy/mastersvr.cc b/server/wsproxy/mastersvr.cc
index 538a2b3..a79cd93 100644
--- a/server/wsproxy/mastersvr.cc
+++ b/server/wsproxy/mastersvr.cc
@@ -66,7 +66,12 @@ bool MasterSvr::Connected()
 
 void MasterSvr::on_error(a8::TcpClient* sender, int errorId)
 {
-    a8::UdpLog::Instance()->Error("MasterSvr errorid=%d", {errorId});
+    a8::UdpLog::Instance()->Error("MasterSvr errorid=%d remote_ip:%s remote_port:%d",
+                                  {
+                                   errorId,
+                                   sender->remote_address,
+                                   sender->remote_port
+                                  });
 }
 
 void MasterSvr::on_connect(a8::TcpClient* sender)