diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index fc77ea9e..9e572602 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -1311,7 +1311,7 @@ void Room::UpdateGasInactivePvp()
 void Room::UpdateGasInactivePve()
 {
     {
-        first_safearea = pve_mode_meta->area[0];
+        auto first_safearea = pve_mode_meta->area[0];
         gas_data_.gas_mode = GasWaiting;
         gas_data_.gas_start_frameno = GetFrameNo();
         battle_start_frameno_ = GetFrameNo();