diff --git a/server/gameserver/matchmgr.cc b/server/gameserver/matchmgr.cc
index 3d82353..c8fe739 100644
--- a/server/gameserver/matchmgr.cc
+++ b/server/gameserver/matchmgr.cc
@@ -26,6 +26,7 @@ void MatchMgr::_CMJoin(f8::MsgHdr& hdr, const cs::CMJoin& msg)
     }
     {
         cs::SMJoinedNotify notifymsg;
+        notifymsg.set_error_code(0);
         GGListener::Instance()->SendToClient(hdr.socket_handle, 0, notifymsg);
     }
     {