diff --git a/server/gameserver/mapinstance.cc b/server/gameserver/mapinstance.cc
index 86ac1ba..ed46cc4 100644
--- a/server/gameserver/mapinstance.cc
+++ b/server/gameserver/mapinstance.cc
@@ -35,10 +35,11 @@ void MapInstance::Init()
                        MAP_GRID_WIDTH);
     CreateThings();
     a8::UdpLog::Instance()->Info
-        ("current_uniid:%d loots:%d mini_room_spawn_points:%d normal_room_spawn_points:%d "
+        ("map_id:%d current_uniid:%d loots:%d mini_room_spawn_points:%d normal_room_spawn_points:%d "
          "building_num:%d obstalce_num:%d obstacle0_num:%d "
          "obstacle1_num:%d obstacle2_num:%d",
          {
+          map_id,
           current_uniid_,
           loots_.size(),
           mini_room_spawn_points_.size(),
@@ -62,6 +63,21 @@ void MapInstance::UnInit()
     A8_SAFE_DELETE(grid_service_);
 }
 
+void MapInstance::AttachRoom(Room* room, RoomInitInfo& init_info)
+{
+    init_info.map_tpl_name = map_tpl_name_;
+    init_info.map_meta = map_meta_;
+    init_info.grid_service = grid_service_;
+    init_info.map_service = map_service_;
+    init_info.mini_room_spawn_points = &mini_room_spawn_points_;
+    init_info.normal_room_spawn_points = &normal_room_spawn_points_;
+    init_info.level0room_born_point_meta = level0room_born_point_;
+    init_info.level1room_born_point_meta = level1room_born_point_;
+    init_info.loots = &loots_;
+    init_info.buildings = &buildings_;
+    init_info.level0room_spec_things = &level0room_spec_things_;
+}
+
 void MapInstance::CreateThings()
 {
     map_tpl_name_ = map_meta_->RandTemplate();
diff --git a/server/gameserver/mapinstance.h b/server/gameserver/mapinstance.h
index ddf4f88..257de9d 100644
--- a/server/gameserver/mapinstance.h
+++ b/server/gameserver/mapinstance.h
@@ -21,6 +21,8 @@ class MapInstance
     void Init();
     void UnInit();
 
+    void AttachRoom(Room* room, RoomInitInfo& init_info);
+
  private:
     void CreateThings();
     void CreateMapObject(MetaData::MapTplThing& thing_tpl);
diff --git a/server/gameserver/mapmgr.cc b/server/gameserver/mapmgr.cc
index b437da0..0e40afa 100644
--- a/server/gameserver/mapmgr.cc
+++ b/server/gameserver/mapmgr.cc
@@ -1,36 +1,39 @@
 #include "precompile.h"
 
-#include "mapservice.h"
-#include "gridservice.h"
-#include "building.h"
-#include "obstacle.h"
-#include "loot.h"
 #include "mapmgr.h"
-#include "metamgr.h"
 #include "room.h"
-#include "entityfactory.h"
+#include "mapinstance.h"
 
 void MapMgr::Init()
 {
+    {
+        MapInstance* map_instance = new MapInstance();
+        map_instance->map_id = 2001;
+        map_instance->Init();
+        instance_hash_[map_instance->map_id] = map_instance;
+    }
 }
 
 void MapMgr::UnInit()
 {
+    for (auto& pair : instance_hash_) {
+        pair.second->UnInit();
+        delete pair.second;
+    }
+    instance_hash_.clear();
 }
 
 void MapMgr::AttachRoom(Room* room, RoomInitInfo& init_info)
 {
-    #if 0
-    init_info.map_tpl_name = map_tpl_name_;
-    init_info.map_meta = map_meta_;
-    init_info.grid_service = grid_service_;
-    init_info.map_service = map_service_;
-    init_info.mini_room_spawn_points = &mini_room_spawn_points_;
-    init_info.normal_room_spawn_points = &normal_room_spawn_points_;
-    init_info.level0room_born_point_meta = level0room_born_point_;
-    init_info.level1room_born_point_meta = level1room_born_point_;
-    init_info.loots = &loots_;
-    init_info.buildings = &buildings_;
-    init_info.level0room_spec_things = &level0room_spec_things_;
-    #endif
+    MapInstance* map_instance = GetMapInstance(2001);
+    if (!map_instance) {
+        abort();
+    }
+    map_instance->AttachRoom(room, init_info);
+}
+
+MapInstance* MapMgr::GetMapInstance(int map_id)
+{
+    auto itr = instance_hash_.find(map_id);
+    return itr != instance_hash_.end() ? itr->second : nullptr;
 }
diff --git a/server/gameserver/mapmgr.h b/server/gameserver/mapmgr.h
index aea3ecd..c064490 100644
--- a/server/gameserver/mapmgr.h
+++ b/server/gameserver/mapmgr.h
@@ -4,16 +4,19 @@ class MapInstance;
 class Room;
 class MapMgr : public a8::Singleton<MapMgr>
 {
- private:
+private:
     MapMgr() {};
     friend class a8::Singleton<MapMgr>;
 
- public:
+public:
     void Init();
     void UnInit();
 
     void AttachRoom(Room* room, RoomInitInfo& init_info);
 
- private:
+private:
+    MapInstance* GetMapInstance(int map_id);
+
+private:
     std::map<int, MapInstance*> instance_hash_;
 };