diff --git a/server/gameserver/car.cc b/server/gameserver/car.cc
index ff8577f..37a96a8 100644
--- a/server/gameserver/car.cc
+++ b/server/gameserver/car.cc
@@ -94,10 +94,6 @@ void Car::GetDown(Human* passenger)
     if (driver_ == passenger) {
         driver_ = nullptr;
     }
-    if (meta->i->buffid()) {
-        passenger->RemoveBuffById(meta->i->buffid());
-        passenger->RecalcSelfCollider();
-    }
     passengers_.erase(passenger);
     passenger->SetCar(nullptr);
     passenger->SetSeat(0);
@@ -111,6 +107,9 @@ void Car::GetDown(Human* passenger)
         room->TakeOffCarObject(GetEntityUniId(), GetPos());
         RemoveBuffByEffectId(kBET_CarActive);
         TryAddBuff(this, meta->car_deactive_buff_id);
+        if (meta->i->buffid() != 0) {
+            passenger->RemoveBuffById(meta->i->buffid());
+        }
     }
     SyncAroundPlayers(__FILE__, __LINE__, __func__);
     room->NotifyUiUpdate();
@@ -159,11 +158,8 @@ void Car::GetOn(Human* passenger)
             passenger->AddBuff(passenger, buff_meta, 1);
         }
     }
-    {
-        MetaData::Buff* buff_meta = MetaMgr::Instance()->GetBuff(meta->i->buffid());
-        if (buff_meta) {
-            passenger->AddBuff(passenger, buff_meta, 1);
-        }
+    if (meta->i->buffid() != 0) {
+        passenger->TryAddBuff(passenger, meta->i->buffid());
     }
     passenger->CancelAction();
     room->frame_event.AddCarChg(passenger);
@@ -318,10 +314,6 @@ void Car::BeKill(int killer_id, const std::string& killer_name, int weapon_id)
     room->RemoveObjectLater(this);
     int team_id = 0;
     for (Human* passenger : passengers_) {
-        if (meta->i->buffid()) {
-            passenger->RemoveBuffById(meta->i->buffid());
-            passenger->RecalcSelfCollider();
-        }
         team_id = passenger->team_id;
         passenger->SetCar(nullptr);
         passenger->SetSeat(0);