diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index d5123c5..b71cc16 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -763,6 +763,25 @@ void Room::UpdateGas()
                 gas_data.gas_start_frameno = frame_no;
                 ShuaPlane();
                 RoomMgr::Instance()->RemoveFromInactiveRoomHash(room_uuid);
+                xtimer.AddDeadLineTimerAndAttach(SERVER_FRAME_RATE * 3,
+                                                   a8::XParams()
+                                                   .SetSender(this),
+                                                   [] (const a8::XParams& param)
+                                                   {
+                                                       Room* room = (Room*)param.sender.GetUserData();
+                                                       room->TouchHumanList(
+                                                                                 a8::XParams()
+                                                                                 .SetSender(room),
+                                                                                 [] (Human* hum, a8::XParams& param) -> bool
+                                                                                 {
+                                                                                     if (a8::HasBitFlag(hum->status, HS_Fly)) {
+                                                                                         hum->DoJump();
+                                                                                         return false;
+                                                                                     }
+                                                                                     return true;
+                                                                                 });
+                                                   },
+                                                   &xtimer_attacher.timer_list_);
             }
         }
         break;