diff --git a/server/gameserver/car.cc b/server/gameserver/car.cc
index 1f2e979..0348a5e 100644
--- a/server/gameserver/car.cc
+++ b/server/gameserver/car.cc
@@ -417,6 +417,7 @@ void Car::BeKill(int killer_id, const std::string& killer_name, int weapon_id)
                                  meta->i->atk()
                                  );
     room->NotifyUiUpdate();
+    GetTrigger()->Die();
 }
 
 void Car::GetAabbBox(AabbCollider& aabb_box)
diff --git a/server/gameserver/hero.cc b/server/gameserver/hero.cc
index b7af85f..34a5d9b 100644
--- a/server/gameserver/hero.cc
+++ b/server/gameserver/hero.cc
@@ -278,6 +278,7 @@ void Hero::BeKill(int killer_id, const std::string& killer_name, int weapon_id)
              }
          },
          &xtimer_attacher.timer_list_);
+    GetTrigger()->Die();
 }
 
 void Hero::OnAddToTargetPartObject(Entity* target)
diff --git a/server/gameserver/trigger.cc b/server/gameserver/trigger.cc
index bde88a2..7ce6588 100644
--- a/server/gameserver/trigger.cc
+++ b/server/gameserver/trigger.cc
@@ -192,6 +192,20 @@ void Trigger::ReceiveDmg()
 
 void Trigger::Die()
 {
+    {
+        std::vector<int> list;
+        owner_->TraverseBuff
+            (
+             [&list] (Buff* buff, bool& stop)
+             {
+                 if (buff->meta->i->dead_remove()) {
+                     list.push_back(buff->buff_uniid);
+                 }
+             });
+        for (int buff_uniid : list) {
+            owner_->RemoveBuffByUniId(buff_uniid);
+        }
+    }
     TriggeCondBuffAll(kCondBuffDid);
 }
 
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index e3c2492..2bb3737 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -293,6 +293,7 @@ message Buff
     optional int32 post_battle_valid = 26;
     optional string only_spec_race = 27;
     optional string exclude_spec_race = 28;
+    optional int32 dead_remove = 29;
 }
 
 message Drop