diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 937bb66a..6d56a615 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -1479,7 +1479,31 @@ void Room::UpdateGasInactiveNewBie()
 
 void Room::UpdateGasInactiveMoba()
 {
-
+    if (GetFrameNo() - gas_data_.gas_start_frameno >=
+        GetGasInactiveTime() * SERVER_FRAME_RATE) {
+        {
+            const mt::SafeArea* first_safearea = mt::SafeArea::GetByType
+                (map_meta_->RandSafeArea());
+            gas_data_.SetGasMode(GasWaiting);
+            gas_data_.gas_start_frameno = GetFrameNo();
+            battle_start_frameno_ = GetFrameNo();
+            gas_data_.old_area_meta = first_safearea;
+            gas_data_.new_area_meta = first_safearea;
+            gas_data_.gas_start_frameno = GetFrameNo();
+            gas_data_.pos_new = glm::vec2(gas_data_.new_area_meta->x1(),
+                                          gas_data_.new_area_meta->y1());
+            gas_data_.pos_old = gas_data_.pos_new;
+            gas_data_.pos_old_bk = gas_data_.pos_old;
+            gas_data_.rad_old = gas_data_.old_area_meta->rad();
+            gas_data_.rad_new = gas_data_.new_area_meta->rad();
+            gas_data_.gas_progress = 0;
+        }
+        NotifyUiUpdate();
+        ClearPostBattleAutoFreeList();
+        OnBattleStart();
+        NotifyGameStart();
+        InitAndroidAI();
+    }
 }
 
 void Room::UpdateGasWaiting()