diff --git a/server/gameserver/mapmgr.h b/server/gameserver/mapmgr.h
index 1923d9a..6bc3faf 100644
--- a/server/gameserver/mapmgr.h
+++ b/server/gameserver/mapmgr.h
@@ -13,9 +13,9 @@ public:
     void UnInit();
 
     void AttachRoom(Room* room, RoomInitInfo& init_info);
+    MapInstance* GetMapInstance(int map_id);
 
 private:
-    MapInstance* GetMapInstance(int map_id);
     MapInstance* RandMapInstance(int map_mode);
 
 private:
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 17b8cd0..ab45671 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -25,6 +25,8 @@
 #include "typeconvert.h"
 #include "entityfactory.h"
 #include "perfmonitor.h"
+#include "mapinstance.h"
+#include "mapmgr.h"
 
 #include "framework/cpp/utils.h"
 
@@ -742,7 +744,8 @@ bool Room::CanJoin(const std::string& accountid,
                    RoomType_e self_room_type,
                    RoomMode_e self_room_mode,
                    int self_proto_version,
-                   int self_channel)
+                   int self_channel,
+                   int init_map_id)
 {
     if (self_room_mode < kChiJiMode) {
         self_room_mode = kChiJiMode;
@@ -756,6 +759,13 @@ bool Room::CanJoin(const std::string& accountid,
     if (gas_data_.gas_mode != GasInactive) {
         return false;
     }
+    if (init_map_id != 0) {
+        MapInstance* map_instance = MapMgr::Instance()->GetMapInstance(init_map_id);
+        if (map_instance && map_instance->GetMapMeta()->i->map_mode() == room_mode_ &&
+            map_instance->map_id != map_meta_->i->map_id()) {
+            return false;
+        }
+    }
     if (GetPlayerByAccountId(accountid)) {
         return false;
     }
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index b25439d..364056f 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -113,7 +113,8 @@ public:
                  RoomType_e self_roomm_type,
                  RoomMode_e self_room_mode,
                  int self_proto_version,
-                 int self_channel);
+                 int self_channel,
+                 int init_map_id);
     void OnPlayerOffline(Player* hum);
     Entity* FindFirstCollisonEntity(const a8::Vec2& aabb_pos, AabbCollider& aabb_box);
     void FindLocationWithAabb(Entity* target, const a8::Vec2& aabb_pos, AabbCollider* aabb_box,
diff --git a/server/gameserver/roommgr.cc b/server/gameserver/roommgr.cc
index 231e1bb..0158dde 100644
--- a/server/gameserver/roommgr.cc
+++ b/server/gameserver/roommgr.cc
@@ -249,7 +249,8 @@ Room* RoomMgr::GetJoinableRoom(const cs::CMJoin& msg,
                           self_room_type,
                           (RoomMode_e)msg.room_mode(),
                           proto_version,
-                          channel)) {
+                          channel,
+                          msg.mapid())) {
             if (!msg.team_uuid().empty() && room->HaveMyTeam(msg.team_uuid())) {
                 return room;
             }