diff --git a/server/gameserver/car.cc b/server/gameserver/car.cc
index faa46dc..11e7e2a 100644
--- a/server/gameserver/car.cc
+++ b/server/gameserver/car.cc
@@ -275,6 +275,9 @@ void Car::OnBulletHit(Bullet* bullet)
             GetAbility()->GetAttrAbs(kHAT_Def);
         float finaly_dmg = dmg * (1 - def/MetaMgr::Instance()->K);
         finaly_dmg = std::max(finaly_dmg, 0.0f);
+        if (bullet->meta->buff_meta) {
+            MustBeAddBuff(bullet->sender.Get(), bullet->meta->i->buffid());
+        }
         DecHP(finaly_dmg,
               bullet->sender.Get()->GetUniId(),
               bullet->sender.Get()->GetName(),
diff --git a/server/gameserver/hero.cc b/server/gameserver/hero.cc
index 8c0ce10..418b2c1 100644
--- a/server/gameserver/hero.cc
+++ b/server/gameserver/hero.cc
@@ -91,7 +91,7 @@ void Hero::OnBulletHit(Bullet* bullet)
         sender->stats.damage_amount_out += finaly_dmg;
 #endif
         if (bullet->meta->buff_meta) {
-            MustBeAddBuff(this, bullet->meta->i->buffid());
+            MustBeAddBuff(bullet->sender.Get(), bullet->meta->i->buffid());
         }
         DecHP(finaly_dmg,
               bullet->sender.Get()->GetUniId(),