diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 9cb47d6..5024017 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -451,6 +451,11 @@ void Bullet::AddGunBuff()
         std::shared_ptr<Ability> old_context_ability = sender.Get()->context_ability;
         a8::Vec2 old_context_pos = sender.Get()->context_pos;
         sender.Get()->context_pos = GetPos();
+        if (IsCurrWeapon()) {
+            sender.Get()->context_ability = ability_;
+        } else {
+            sender.Get()->context_ability = nullptr;
+        }
         MetaData::Buff * buff_meta = MetaMgr::Instance()->GetBuff(gun_meta->i->buffid());
         if (buff_meta) {
             sender.Get()->AddBuff(sender.Get(),