diff --git a/server/imserver/handlermgr.cc b/server/imserver/handlermgr.cc
index 5c5bdc3..d8eeccb 100644
--- a/server/imserver/handlermgr.cc
+++ b/server/imserver/handlermgr.cc
@@ -53,6 +53,7 @@ void HandlerMgr::RegisterNetMsgHandlers()
     RegisterNetMsgHandler(&wsmsghandler, &PlayerMgr::_SS_WSP_SocketDisconnect);
     RegisterNetMsgHandler(&wsmsghandler, &PlayerMgr::_CMLogin);
 
+    RegisterNetMsgHandler(&wsmsghandler, &Player::_CMPing);
     RegisterNetMsgHandler(&wsmsghandler, &Player::_CMUpdateUserInfo);
     RegisterNetMsgHandler(&wsmsghandler, &Player::_CMUpdateTempCustomData);
     RegisterNetMsgHandler(&wsmsghandler, &Player::_CMFriendList);