diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index d590e5d..d242ec4 100644
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -209,12 +209,12 @@ enum BuffSelectTarget_e
 
 enum VirtualWeapon_e
 {
-    VW_SafeArea = 9000000,
+    VW_Gas = 9000000,
 };
 
 enum VirtualPlayer_e
 {
-    VP_SafeArea = 9000000,
+    VP_Gas = 9000000,
 };
 
 enum EquipType_e
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 6c250f7..a22db32 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -1541,7 +1541,7 @@ void Creature::UpdatePoisoning()
         }
         dmg *= 1 + GetAbility()->GetAttrRate(kHAT_PoisoningReduction);
         dmg = std::max(10.0f, dmg);
-        DecHP(dmg, VP_SafeArea, TEXT("battle_server_killer_gas", "毒圈"), VW_SafeArea);
+        DecHP(dmg, VP_Gas, TEXT("battle_server_killer_gas", "毒圈"), VW_Gas);
         if (dead) {
             poisoning_time = 0;
             break;
diff --git a/server/gameserver/incubator.cc b/server/gameserver/incubator.cc
index a969987..0f9467a 100644
--- a/server/gameserver/incubator.cc
+++ b/server/gameserver/incubator.cc
@@ -169,9 +169,9 @@ void Incubator::AutoAllocAndroid()
                                 killer->name,
                                 killer->GetCurrWeapon()->weapon_id);
                 } else if (room->GetGasData().gas_count > 1) {
-                    hum->BeKill(VP_SafeArea,
+                    hum->BeKill(VP_Gas,
                                 TEXT("battle_server_killer_gas", "毒圈"),
-                                VW_SafeArea);
+                                VW_Gas);
                 } else {
                     return;
                 }
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 386c06e..51b4a1b 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -2583,9 +2583,9 @@ void Room::ProcDieAndroid(int die_time, int die_num)
     {
         if (alive_humans.size() == 1) {
             Human* hum = alive_humans[0];
-            hum->BeKill(VP_SafeArea,
+            hum->BeKill(VP_Gas,
                         TEXT("battle_server_killer_gas", "毒圈"),
-                        VW_SafeArea);
+                        VW_Gas);
             a8::UnSetBitFlag(hum->status, CS_Disable);
             return;
         }
@@ -2611,9 +2611,9 @@ void Room::ProcDieAndroid(int die_time, int die_num)
                             killer->GetCurrWeapon()->weapon_id);
                 a8::UnSetBitFlag(hum->status, CS_Disable);
             } else {
-                hum->BeKill(VP_SafeArea,
+                hum->BeKill(VP_Gas,
                             TEXT("battle_server_killer_gas", "毒圈"),
-                            VW_SafeArea);
+                            VW_Gas);
                 if (!alive_humans.empty()) {
                     alive_humans.erase(alive_humans.begin() + i);
                     alive_humans_copy.erase(alive_humans_copy.begin() + i);
@@ -2677,9 +2677,9 @@ void Room::CheckAutoDie(Human* target,
                            killer->GetCurrWeapon()->weapon_id);
         } else {
             a8::UnSetBitFlag(target->status, CS_Disable);
-            target->BeKill(VP_SafeArea,
+            target->BeKill(VP_Gas,
                            TEXT("battle_server_killer_gas", "毒圈"),
-                           VW_SafeArea);
+                           VW_Gas);
         }
     }
 }