diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 8208238..6591964 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -52,7 +52,7 @@ void Bullet::OnHit(std::set<Entity*>& objects)
                 }
                 Human* hum = (Human*)target;
                 if (hum->HasBuffEffect(kBET_Invincible) ||
-                    hum->HasBuffEffect(kBET_LordMode)) {
+                    hum->HasBuffEffect(kBET_AdPlaying)) {
                     continue;
                 }
 #if 1
@@ -62,8 +62,8 @@ void Bullet::OnHit(std::set<Entity*>& objects)
                     (hum->team_id == 0 || player->team_id != hum->team_id)) {
 #endif
                     #if 1
-                    float dmg = gun_meta->i->atk() * (1 + hum->GetBuffAttrRate(kHAT_Atk)) +
-                        hum->GetBuffAttrAbs(kHAT_Atk);
+                    float dmg = gun_meta->i->atk() * (1 + player->GetBuffAttrRate(kHAT_Atk)) +
+                        player->GetBuffAttrAbs(kHAT_Atk);
                     #else
                     float dmg = gun_meta->i->atk() * (1 + player->buff.damage_add + player->atk_add);
                     #endif
@@ -92,7 +92,8 @@ void Bullet::OnHit(std::set<Entity*>& objects)
                 Obstacle* obstacle = (Obstacle*)target;
                 if (!obstacle->dead && obstacle->meta->i->attack_type() == 1) {
                     #if 1
-                    float dmg = gun_meta->i->atk() * (1 + player->atk_add);
+                    float dmg = gun_meta->i->atk() * (1 + player->GetBuffAttrRate(kHAT_Atk)) +
+                        player->GetBuffAttrAbs(kHAT_Atk);
                     #else
                     float dmg = gun_meta->i->atk() * (1 + player->buff.damage_add + player->atk_add);
                     #endif
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index ac503c4..442bba9 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -883,6 +883,9 @@ void Human::BeKill(int killer_id, const std::string& killer_name, int weapon_id)
         if (HasBuffEffect(kBET_Camouflage)) {
             RemoveBuffByEffectId(kBET_Camouflage);
         }
+        if (GetBuffByEffectId(kBET_LordMode)) {
+            RemoveBuffByEffectId(kBET_LordMode);
+        }
         int max_revive_times = MetaMgr::Instance()->GetSysParamAsInt("max_revive_times", 1);
         if (weapon_id != VW_Spectate &&
             dead_times <= max_revive_times &&
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index 50d2ada..f6a3abf 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -21,6 +21,7 @@ enum HumanStatus
     HS_Jump = 3,
     HS_AtkAdd = 11,
     HS_Assaulting = 12,
+    HS_AlreadyLordMode = 13,
     HS_End
 };
 
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 7156e2c..d833c59 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -1228,6 +1228,9 @@ void Player::_CMAdStart(f8::MsgHdr& hdr, const cs::CMAdStart& msg)
     if (GetBuffByEffectId(kBET_AdPlaying)) {
         return;
     }
+    if (a8::HasBitFlag(status, HS_AlreadyLordMode)) {
+        return;
+    }
     if (ad_timer_) {
         room->xtimer.DeleteTimer(ad_timer_);
         ad_timer_ = nullptr;
@@ -1275,6 +1278,7 @@ void Player::_CMAdEnd(f8::MsgHdr& hdr, const cs::CMAdEnd& msg)
                 lord_buff_meta = MetaMgr::Instance()->GetBuff(buff_meta->param2);
             }
             if (lord_buff_meta) {
+                a8::SetBitFlag(status, HS_AlreadyLordMode);
                 AddBuff(lord_buff_meta, 1);
                 std::vector<std::string> strings;
                 a8::Split(lord_buff_meta->i->buff_param1(), strings, ':');