diff --git a/server/gameserver/car.cc b/server/gameserver/car.cc
index c30103d..bc7081a 100644
--- a/server/gameserver/car.cc
+++ b/server/gameserver/car.cc
@@ -265,7 +265,7 @@ 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);
+            bullet->sender.Get()->GetAttrAbs(kHAT_Atk) + bullet->gun_meta->i->atk_mech();
         float def = ability.def * (1 + GetAttrRate(kHAT_Def)) +
             GetAttrAbs(kHAT_Def);
         float finaly_dmg = dmg * (1 - def/MetaMgr::Instance()->K);