diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 2d84cda..812488d 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -287,7 +287,7 @@ void Room::CreateAndroid(int robot_num)
         ++App::Instance()->perf.alive_count;
         refreshed_robot_set_.insert(robot_meta->i->id());
 
-        if (room_type_ == RT_NewBrid) {
+        if (!CanAddToScene(hum)) {
             a8::SetBitFlag(hum->status, HS_Disable);
         } else {
             AddToAliveHumanHash(hum);
@@ -1258,10 +1258,20 @@ void Room::OnGameOver()
 void Room::RandRemoveAndroid()
 {
     Human* hum = nullptr;
-    for (auto& pair : human_hash_) {
-        if (pair.second->IsAndroid()) {
-            hum = pair.second;
-            break;
+    if (room_type_ == RT_MidBrid) {
+        for (auto& pair : alive_human_hash_) {
+            if (pair.second->IsAndroid()) {
+                hum = pair.second;
+                break;
+            }
+        }
+    }
+    if (!hum) {
+        for (auto& pair : human_hash_) {
+            if (pair.second->IsAndroid()) {
+                hum = pair.second;
+                break;
+            }
         }
     }
     if (hum) {
@@ -2212,6 +2222,16 @@ void Room::AddPlayerPostProc(Player* hum)
                 hum->AddBuff(buff_meta, 1);
             }
         }
+        if (room_type_ == RT_MidBrid) {
+            Player* first_player = GetOneAlivePlayer();
+            if (first_player && first_player->born_point) {
+                if (hum->born_point) {
+                    DecBornPointHumanNum(hum->born_point, hum);
+                }
+                hum->born_point = first_player->born_point;
+                IncBornPointHumanNum(hum->born_point, hum);
+            }
+        }
     }
     while (human_hash_.size() > ROOM_MAX_PLAYER_NUM) {
         RandRemoveAndroid();
@@ -2489,3 +2509,20 @@ void Room::CreateLevel0RoomSpecThings()
         }
     }
 }
+
+bool Room::CanAddToScene(Human* hum)
+{
+    if (room_type_ == RT_NewBrid) {
+        return false;
+    } else if (room_type_ == RT_MidBrid) {
+        Player* player = GetOneAlivePlayer();
+        if (player) {
+            if (std::fabs(hum->GetPos().x - player->GetPos().x) <= 1024 &&
+                std::fabs(hum->GetPos().y - player->GetPos().y) <= 1024) {
+                return true;
+            }
+        }
+        return false;
+    }
+    return true;
+}
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index f4b6f5f..5d51af0 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -188,6 +188,7 @@ private:
     void ForceSetBornPoint(Human* hum, BornPoint* born_point);
     void NewBieRoomStart();
     void CreateLevel0RoomSpecThings();
+    bool CanAddToScene(Human* hum);
 
     #ifdef DEBUG
     void InitDebugInfo();