diff --git a/server/gameserver/GGListener.cc b/server/gameserver/GGListener.cc
index a9a8df4..df175a0 100644
--- a/server/gameserver/GGListener.cc
+++ b/server/gameserver/GGListener.cc
@@ -12,6 +12,8 @@
 #include "jsondatamgr.h"
 #include "cs_proto.pb.h"
 #include "cs_msgid.pb.h"
+#include "ss_proto.pb.h"
+#include "ss_msgid.pb.h"
 #include "handlermgr.h"
 
 class GCClientSession: public a8::MixedSession
@@ -137,6 +139,12 @@ void GGListener::ForceCloseClient(int sockhandle)
     tcp_listener_->ForceCloseClient(sockhandle);
 }
 
+void GGListener::ForceCloseChildSocket(int sockhandle)
+{
+    ss::SS_ForceCloseSocket msg;
+    SendProxyMsg(sockhandle, msg);
+}
+
 void GGListener::MarkClient(int sockhandle, bool is_active)
 {
     tcp_listener_->MarkClient(sockhandle, is_active);
diff --git a/server/gameserver/GGListener.h b/server/gameserver/GGListener.h
index 1a32e14..29b3081 100644
--- a/server/gameserver/GGListener.h
+++ b/server/gameserver/GGListener.h
@@ -39,6 +39,7 @@ public:
                    const char* file = nullptr, int lineno = 0, int error_param = 0);
 
     void ForceCloseClient(int sockhandle);
+    void ForceCloseChildSocket(int sockhandle);
     void MarkClient(int sockhandle, bool is_active);
     long long GetSendNodeNum();
     long long GetSentNodeNum();
diff --git a/server/gameserver/roommgr.cc b/server/gameserver/roommgr.cc
index c24c4d2..37fc02a 100644
--- a/server/gameserver/roommgr.cc
+++ b/server/gameserver/roommgr.cc
@@ -51,7 +51,30 @@ void RoomMgr::_CMJoin(f8::MsgHdr& hdr, const cs::CMJoin& msg)
         abort();
     }
     if (RoomNum() >= ROOM_NUM_LIMIT) {
-        return;
+        {
+            cs::SMJoinedNotify notifymsg;
+            notifymsg.set_error_code(2);
+            GGListener::Instance()->SendToClient(hdr.socket_handle, hdr.seqid, notifymsg);
+        }
+        {
+            a8::Timer::Instance()->AddDeadLineTimer(1000 * 2,
+                                                    a8::XParams()
+                                                    .SetSender(hdr.socket_handle),
+                                                    [] (const a8::XParams& param)
+                                                    {
+                                                        GGListener::Instance()->ForceCloseChildSocket(param.sender);
+                                                    });
+        }
+        a8::UdpLog::Instance()->Warning("room is full! accountid:%s max_mainloop_rundelay:%d "
+                                        "room_num:%d player_num:%d online_num:%d",
+                                        {
+                                         msg.account_id(),
+                                         App::Instance()->perf.max_run_delay_time,
+                                         RoomMgr::Instance()->RoomNum(),
+                                         App::Instance()->perf.entity_num[ET_Player],
+                                         PlayerMgr::Instance()->OnlineNum(),
+                                        });
+          return;
     }
     Room* room = GetJoinableRoom(msg.account_id());
     if (!room) {