diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index c1934a6..997c994 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -973,7 +973,7 @@ void Room::UpdateGasMoving()
             }
             gas_data_.rad_old = gas_data_.old_area_meta->i->rad();
             gas_data_.rad_new = gas_data_.new_area_meta->i->rad();
-            if (!MetaMgr::Instance()->GetSafeArea(gas_data_.new_area_meta->i->id() + 1)) {
+            if (!MetaMgr::Instance()->GetSafeArea(gas_data_.new_area_meta->i->id() + 2)) {
 #if 1
                 //最后一圈
                 if (room_type_ == RT_MidBrid) {