diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 8a21f11..5e260d6 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1313,9 +1313,9 @@ void Human::DoJump()
     }
 }
 
-int Human::SelectSkillId()
+Skill* Human::SelectSkill()
 {
-    return 0;
+    return nullptr;
 }
 
 void Human::DoGetOn(int obj_uniid)
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index 7deeff8..6979f32 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -190,7 +190,7 @@ class Human : public Creature
     bool HasNoDownedTeammate();
     void DoJump();
     virtual bool CanUseSkill(int skill_id) override;
-    virtual int SelectSkillId();
+    virtual Skill* SelectSkill();
     void DoGetOn(int obj_uniid);
     void DoGetDown();
     void FindLocation();
diff --git a/server/gameserver/zombiemode.ai.cc b/server/gameserver/zombiemode.ai.cc
index 22f78f4..fc61fb0 100644
--- a/server/gameserver/zombiemode.ai.cc
+++ b/server/gameserver/zombiemode.ai.cc
@@ -191,10 +191,11 @@ void ZombieModeAI::UpdateAttack()
     }
     float distance = myself->GetPos().Distance(node_->target->GetPos());
     if (distance > GetAttackRange()) {
-        if (myself->CanUseSkill(myself->SelectSkillId()) &&
-            myself->CurrentSkill()->meta->i->skill_id() != TURN_OVER_SKILL_ID &&
-            distance < myself->CurrentSkill()->meta->i->skill_distance()) {
-            DoSkill();
+        Skill* skill = myself->SelectSkill();
+        if (myself->CanUseSkill(skill->meta->i->skill_id()) &&
+            skill->meta->i->skill_id() != TURN_OVER_SKILL_ID &&
+            distance < skill->meta->i->skill_distance()) {
+            DoSkill(skill->meta->i->skill_id());
         } else if (node_->ai_meta->i->pursuit_radius() <= 0) {
             //站桩
             ChangeToState(ZSE_Thinking);
@@ -475,10 +476,10 @@ void ZombieModeAI::DoShot()
     }
 }
 
-void ZombieModeAI::DoSkill()
+void ZombieModeAI::DoSkill(int skill_id)
 {
     Human* myself = (Human*)owner;
-    myself->DoSkill(myself->SelectSkillId(), node_->target->GetEntityUniId(), node_->target->GetPos());
+    myself->DoSkill(skill_id, node_->target->GetEntityUniId(), node_->target->GetPos());
 }
 
 int ZombieModeAI::GetAttackTimes()
diff --git a/server/gameserver/zombiemode.ai.h b/server/gameserver/zombiemode.ai.h
index c05e2eb..677cc91 100644
--- a/server/gameserver/zombiemode.ai.h
+++ b/server/gameserver/zombiemode.ai.h
@@ -33,7 +33,7 @@ private:
     void DoMove();
     void ChangeToState(ZombieState_e to_state);
     void DoShot();
-    void DoSkill();
+    void DoSkill(int skill_id);
 
     Human* GetTarget();
     float GetAttackRange();