diff --git a/server/gameserver/new_hero_agent.h b/server/gameserver/new_hero_agent.h
index 636cd7f2..a6b9385a 100644
--- a/server/gameserver/new_hero_agent.h
+++ b/server/gameserver/new_hero_agent.h
@@ -77,7 +77,7 @@ public:
     int IncV(int id, int val);
     int DecV(int id, int val);
     bool HasBuffEffect(int effect_id);
-    bool IsNearGas(float range);
+    bool IsNearGas(float anti_range);
     bool MasterInRange(float anti_range);
     bool HasFlag(int tag);
     void SetFlag(int tag);