diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 2e024aa..c32728d 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -934,3 +934,26 @@ void Creature::TouchProperTargets(std::function<void (Creature*, bool&)> func)
                                        GetGridList(),
                                        callback);
 }
+
+void Creature::UpdatePoisoning()
+{
+    if (dead) {
+        return;
+    }
+    bool need_notify = poisoning_time > 1000;
+    while (poisoning_time > 1000) {
+        if (room->GetGasData().is_last_gas) {
+            DecHP(room->GetGasData().new_area_meta->i->hurt(), VP_SafeArea, TEXT("battle_server_killer_gas", "毒圈"), VW_SafeArea);
+        } else {
+            DecHP(room->GetGasData().old_area_meta->i->hurt(), VP_SafeArea, TEXT("battle_server_killer_gas", "毒圈"), VW_SafeArea);
+        }
+        if (dead) {
+            poisoning_time = 0;
+            break;
+        }
+        poisoning_time -= 1000;
+    }
+    if (need_notify && IsEntitySubType(EST_Player)) {
+        SyncAroundPlayers(__FILE__, __LINE__, __func__);
+    }
+}
diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index 7670a73..11f0e63 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -62,6 +62,7 @@ class Creature : public MoveableEntity
     void ClearSkill();
     void AddPassiveSkill(int skill_id);
     void ClearPassiveSkill();
+    void UpdatePoisoning();
 
     bool IsProperTarget(Creature* target);
     bool IsEnemy(Creature* target);
diff --git a/server/gameserver/hero.ai.cc b/server/gameserver/hero.ai.cc
index ccbe2f0..efc7852 100644
--- a/server/gameserver/hero.ai.cc
+++ b/server/gameserver/hero.ai.cc
@@ -38,14 +38,14 @@ HeroAI::~HeroAI()
 void HeroAI::Update(int delta_time)
 {
     Hero* hero = (Hero*)owner;
-    #if 0
-    if (hum->poisoning) {
-        hum->poisoning_time += delta_time;
+    if (hero->poisoning) {
+        hero->poisoning_time += delta_time;
     }
-    if (hum->poisoning) {
-        hum->UpdatePoisoning();
+    if (hero->poisoning) {
+        #if 0
+        hero->UpdatePoisoning();
+        #endif
     }
-    #endif
     if (hero->dead) {
         return;
     }
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 4401350..c0d029e 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -741,29 +741,6 @@ float Human::GetMaxHP()
     return ability.max_hp;
 }
 
-void Human::UpdatePoisoning()
-{
-    if (dead) {
-        return;
-    }
-    bool need_notify = poisoning_time > 1000;
-    while (poisoning_time > 1000) {
-        if (room->GetGasData().is_last_gas) {
-            DecHP(room->GetGasData().new_area_meta->i->hurt(), VP_SafeArea, TEXT("battle_server_killer_gas", "毒圈"), VW_SafeArea);
-        } else {
-            DecHP(room->GetGasData().old_area_meta->i->hurt(), VP_SafeArea, TEXT("battle_server_killer_gas", "毒圈"), VW_SafeArea);
-        }
-        if (dead) {
-            poisoning_time = 0;
-            break;
-        }
-        poisoning_time -= 1000;
-    }
-    if (need_notify && IsEntitySubType(EST_Player)) {
-        SyncAroundPlayers(__FILE__, __LINE__, __func__);
-    }
-}
-
 void Human::AutoLoadingBullet(bool manual)
 {
     Weapon* p_weapon = curr_weapon;
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index 19974fd..579dd0d 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -156,7 +156,6 @@ class Human : public Creature
     float GetRadius();
     float GetHP();
     float GetMaxHP();
-    void UpdatePoisoning();
     void AutoLoadingBullet(bool manual = false);
     void BeKill(int killer_id, const std::string& killer_name, int weapon_id);
     virtual void DecHP(float dec_hp, int killer_id, const std::string& killer_name, int weapon_id) override;