diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index 0e3b2b9..10d7458 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -192,11 +192,6 @@ const int GUN_SLOT2 = 2;
 const int FRAG_SLOT = 3;
 const int SMOKE_SLOT = 4;
 
-const int MAP_HEIGHT = 8192;
-const int MAP_WIDTH = 8192;
-const int MAP_CELL_WIDTH = 64 * 8;
-const int MAP_GRID_WIDTH = 64;
-
 const int DOOR_THING_ID = 61701;
 
 const int FIGHTING_MODE_BULLET_NUM = 10000 * 10000;
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 3588c77..32843ba 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -39,6 +39,15 @@ Room::~Room()
 
 void Room::Init()
 {
+const int MAP_HEIGHT = 8192;
+const int MAP_WIDTH = 8192;
+const int MAP_CELL_WIDTH = 64 * 8;
+const int MAP_GRID_WIDTH = 64;
+ #if 1
+ ((metatable::Map*)map_meta->i)->set_map_width(MAP_WIDTH);
+ ((metatable::Map*)map_meta->i)->set_map_height(MAP_HEIGHT);
+ #endif
+
     xtimer.Init(RoomXGetTickCount, this, 100, 100);
     xtimer_attacher.xtimer = &xtimer;
     grid_service.Init(MAP_WIDTH, MAP_HEIGHT, MAP_CELL_WIDTH);
@@ -518,14 +527,14 @@ int Room::CreateLoot(int equip_id, a8::Vec2 pos, int count, int equip_lv)
         entity->pos = pos;
         #if 1
         {
-            if (entity->pos.x >= MAP_WIDTH) {
-                entity->pos.x = MAP_WIDTH - 1;
+            if (entity->pos.x >= map_meta->i->map_width()) {
+                entity->pos.x = map_meta->i->map_width() - 1;
             }
             if (entity->pos.x < 1.0f) {
                 entity->pos.x = 1.0f;
             }
-            if (entity->pos.y >= MAP_HEIGHT) {
-                entity->pos.y = MAP_HEIGHT - 1;
+            if (entity->pos.y >= map_meta->i->map_height()) {
+                entity->pos.y = map_meta->i->map_height() - 1;
             }
             if (entity->pos.y < 1.0f) {
                 entity->pos.y = 1.0f;
@@ -646,14 +655,14 @@ bool Room::OverBorder(const a8::Vec2 pos, float radius)
             return true;
         }
         int right_x = pos.x + radius;
-        if (right_x > MAP_WIDTH) {
+        if (right_x > map_meta->i->map_width()) {
             return true;
         }
     }
     //检查y轴
     {
         int up_y = pos.y + radius;
-        if (up_y > MAP_HEIGHT) {
+        if (up_y > map_meta->i->map_height()) {
             return true;
         }
         int down_y = pos.y - radius;
@@ -980,8 +989,8 @@ void Room::UpdateGas()
                 gas_data.new_area_meta = MetaMgr::Instance()->GetSafeArea(30002);
                 gas_data.gas_progress = gas_data.old_area_meta->i->rad();
                 gas_data.gas_start_frameno = frame_no;
-                gas_data.pos_old = a8::Vec2(MAP_WIDTH / 2.0f,
-                                            MAP_HEIGHT / 2.0f);
+                gas_data.pos_old = a8::Vec2(map_meta->i->map_width() / 2.0f,
+                                            map_meta->i->map_height() / 2.0f);
                 gas_data.pos_old_bk = gas_data.pos_old;
                 {
                     bool gen_ok = GenSmallCircle(gas_data.pos_old,
@@ -1253,14 +1262,14 @@ void Room::AirDrop(int appear_time, int box_id)
         if (box_pos.x < 1.0f) {
             box_pos.x = 1.0f;
         }
-        if (box_pos.x >= MAP_WIDTH) {
-            box_pos.x = MAP_WIDTH - 1;
+        if (box_pos.x >= map_meta->i->map_width()) {
+            box_pos.x = map_meta->i->map_width() - 1;
         }
         if (box_pos.y < 1.0f) {
             box_pos.y = 1.0f;
         }
-        if (box_pos.y >= MAP_HEIGHT) {
-            box_pos.y = MAP_HEIGHT - 1;
+        if (box_pos.y >= map_meta->i->map_height()) {
+            box_pos.y = map_meta->i->map_height() - 1;
         }
         AabbCollider air_drop_aabb_box;
         {
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index 09aea6b..b4b2bc0 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -17,6 +17,8 @@ message Map
     optional int32 map_id = 1; //地图id
     optional string template_list = 2; //模板列表
     optional string map_name = 3; //地图名
+    optional float map_width = 4;
+    optional float map_height = 5;
 }
 
 message MapThing