diff --git a/server/gameserver/car.cc b/server/gameserver/car.cc
index ba8b09b..ed92759 100644
--- a/server/gameserver/car.cc
+++ b/server/gameserver/car.cc
@@ -7,6 +7,7 @@
 #include "loot.h"
 #include "perfmonitor.h"
 #include "typeconvert.h"
+#include "bullet.h"
 
 Car::Car():Creature()
 {
@@ -211,5 +212,38 @@ float Car::GetSpeed()
 
 void Car::OnBulletHit(Bullet* bullet)
 {
-
+    if (!IsDead(room)) {
+        float dmg = bullet->GetAtk() * (1 + bullet->sender.Get()->GetAttrRate(kHAT_Atk)) +
+            bullet->sender.Get()->GetAttrAbs(kHAT_Atk);
+        float def = ability.def * (1 + GetAttrRate(kHAT_Def)) +
+            GetAttrAbs(kHAT_Def);
+        float finaly_dmg = dmg * (1 - def/MetaMgr::Instance()->K);
+        finaly_dmg = std::max(finaly_dmg, 0.0f);
+        DecHP(finaly_dmg,
+              bullet->sender.Get()->GetEntityUniId(),
+              bullet->sender.Get()->GetName(),
+              bullet->gun_meta->i->id());
+        if (bullet->meta->buff_meta) {
+            MustBeAddBuff(this, bullet->meta->i->buffid());
+        }
+    }
+}
+
+void Car::DecHP(float dec_hp, int killer_id, const std::string& killer_name, int weapon_id)
+{
+    float old_health = GetHP();
+    float new_health = std::max(0.0f, GetHP() - dec_hp);
+    ability.hp = std::max(0.0f, new_health);
+    if (GetHP() <= 0.0001f && !IsDead(room)) {
+        BeKill(killer_id, killer_name, weapon_id);
+    }
+    room->frame_event.AddHpChg(GetWeakPtrRef());
+}
+
+void Car::BeKill(int killer_id, const std::string& killer_name, int weapon_id)
+{
+    dead = true;
+    BroadcastDeleteState(room);
+    RemoveFromAroundPlayers(room);
+    room->grid_service->RemoveCreature(this);
 }
diff --git a/server/gameserver/car.h b/server/gameserver/car.h
index 6097b44..59edb9c 100644
--- a/server/gameserver/car.h
+++ b/server/gameserver/car.h
@@ -32,9 +32,11 @@ class Car : public Creature
     void SyncPos();
     virtual float GetRadius() override;
     virtual float GetSpeed() override;
+    virtual void DecHP(float dec_hp, int killer_id, const std::string& killer_name, int weapon_id) override;
 
  private:
     int AllocSeat();
+    void BeKill(int killer_id, const std::string& killer_name, int weapon_id);
 
  private:
     long long born_frameno_ = 0;
diff --git a/server/gameserver/frameevent.cc b/server/gameserver/frameevent.cc
index 625d0e3..a0aa5de 100644
--- a/server/gameserver/frameevent.cc
+++ b/server/gameserver/frameevent.cc
@@ -183,11 +183,11 @@ void FrameEvent::AddPlaySkill(CreatureWeakPtr& sender, int skill_id)
     }
 }
 
-void FrameEvent::AddHpChg(Human* sender)
+void FrameEvent::AddHpChg(CreatureWeakPtr& sender)
 {
     chged_hps_.push_back(sender);
     int idx = chged_hps_.size() - 1;
-    sender->TouchAllLayerHumanList
+    sender.Get()->TouchAllLayerHumanList
         (
          [idx] (Human* hum, bool& stop)
          {
diff --git a/server/gameserver/frameevent.h b/server/gameserver/frameevent.h
index a746d56..1cc3e31 100644
--- a/server/gameserver/frameevent.h
+++ b/server/gameserver/frameevent.h
@@ -25,7 +25,7 @@ public:
     void AddPlaySkill(CreatureWeakPtr& sender, int skill_id);
     void AddExplosionEx(CreatureWeakPtr& sender, int item_id, a8::Vec2 bomb_pos, int effect);
     void AddBulletNumChg(Human* hum);
-    void AddHpChg(Human* hum);
+    void AddHpChg(CreatureWeakPtr& sender);
     void AddWeaponAmmoChg(Human* hum);
     void AddBuff(CreatureWeakPtr& sender, Buff* buff);
     void RemoveBuff(CreatureWeakPtr& sender, int buff_id);
@@ -50,7 +50,7 @@ private:
     std::vector<std::tuple<Human*, int, int>> chged_items_;
     std::vector<Human*> chged_bullet_nums_;
     std::vector<std::tuple<Human*, int, int>> chged_weapon_ammo_;
-    std::vector<Human*> chged_hps_;
+    std::vector<CreatureWeakPtr> chged_hps_;
     std::vector<std::tuple<CreatureWeakPtr, int, int>> chged_skillcds_;
     std::vector<std::tuple<CreatureWeakPtr, int, int>> chged_skill_curr_times_;
     std::vector<Human*> chged_zombieids_;
diff --git a/server/gameserver/framemaker.cc b/server/gameserver/framemaker.cc
index 55bcb31..54425e0 100644
--- a/server/gameserver/framemaker.cc
+++ b/server/gameserver/framemaker.cc
@@ -222,19 +222,19 @@ cs::SMUpdate* FrameMaker::MakeUpdateMsg(Human* hum)
         }
         for (size_t idx : hum->chged_hps_) {
             if (idx < room->frame_event.chged_hps_.size()) {
-                Human* target = room->frame_event.chged_hps_[idx];
-                if (hum->CanSee(target)) {
+                CreatureWeakPtr& target = room->frame_event.chged_hps_[idx];
+                if (target.Get() && hum->CanSee(target.Get())) {
                     {
                         auto p = msg->add_chged_property_list();
-                        p->set_obj_id(target->GetEntityUniId());
+                        p->set_obj_id(target.Get()->GetEntityUniId());
                         p->set_property_type(kPropHp);
-                        p->set_value(target->GetHP());
+                        p->set_value(target.Get()->GetHP());
                     }
                     {
                         auto p = msg->add_chged_property_list();
-                        p->set_obj_id(target->GetEntityUniId());
+                        p->set_obj_id(target.Get()->GetEntityUniId());
                         p->set_property_type(kPropMaxHp);
-                        p->set_value(target->GetMaxHP());
+                        p->set_value(target.Get()->GetMaxHP());
                     }
                 }
             }
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index e6125bd..324a517 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -952,7 +952,7 @@ void Human::DecHP(float dec_hp, int killer_id, const std::string& killer_name, i
                 }
             }
         }
-        room->frame_event.AddHpChg(this);
+        room->frame_event.AddHpChg(GetWeakPtrRef());
     }
 }
 
@@ -3021,7 +3021,7 @@ void Human::OnMetaChange()
             ability.hp += weapon.meta ? weapon.GetAttrValue(kHAT_MaxHp) : 0;
         }
     }
-    room->frame_event.AddHpChg(this);
+    room->frame_event.AddHpChg(GetWeakPtrRef());
     RecalcBaseAttr();
     ClearSkill();
     AddSkill(meta->i->active_skill());