diff --git a/server/gameserver/buff.cc b/server/gameserver/buff.cc
index 6d06f264..c0a2523c 100644
--- a/server/gameserver/buff.cc
+++ b/server/gameserver/buff.cc
@@ -160,7 +160,7 @@ void Buff::InternalTimerAddBuff()
             }
         };
     auto timer_after_func =
-        [] (const a8::XParams& param)
+        [] (const a8::XParams& param, bool is_destory)
         {
              SkillCasterState* caster_state = (SkillCasterState*)param.param1.GetUserData();
              delete caster_state;
@@ -487,7 +487,7 @@ void Buff::ProcSprint()
                  }
              },
              &xtimer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  std::map<int, long long>* hited_objects = (std::map<int, long long>*)
                      param.param1.GetUserData();
@@ -756,7 +756,7 @@ void Buff::ProcAutoShot()
              }
          },
          &xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              Buff* buff = (Buff*)param.sender.GetUserData();
              if (buff->owner->IsHuman()) {
diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index edcd8ee8..7a58d950 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -221,7 +221,7 @@ void Bullet::ProcBomb()
                  #endif
              },
              &room->timer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
              }
              );
@@ -360,7 +360,7 @@ void Bullet::ProcSmokeBomb()
              {
              },
              &room->timer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  SmokeMiTask* task = (SmokeMiTask*)param.sender.GetUserData();
                  task->Done();
@@ -695,7 +695,7 @@ void Bullet::ProcFragBomb(int delay_time)
                  task->Done();
              },
              &task->timer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  FragMiTask* task = (FragMiTask*)param.sender.GetUserData();
                  delete task;
@@ -749,7 +749,7 @@ void Bullet::ProcC4Bomb(Car* target, int delay_time)
                  task->Done();
              },
              &task->timer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  FragMiTask* task = (FragMiTask*)param.sender.GetUserData();
                  delete task;
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index c1146cc7..ba6f193d 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -211,7 +211,7 @@ int Creature::AddBuff(Creature* caster,
                  c->RemoveBuffByUniId(param.param1);
              },
              &buff->xtimer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  Buff* buff = (Buff*)param.param2.GetUserData();
                  if (buff->remover_timer) {
@@ -341,7 +341,7 @@ std::weak_ptr<a8::XTimerPtr> Creature::TryDelayAddBuff(Creature* caster, int buf
              }
          },
          &xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              DelayAddBuffHandle* handle = (DelayAddBuffHandle*)param.param3.GetUserData();
              delete handle;
@@ -1016,7 +1016,7 @@ void Creature::ProcSkillPhase(MetaData::SkillPhase* phase)
                                      c->context_pos = old_context_pos;
                                  },
                                  &xtimer_attacher.timer_list_,
-                                 [] (const a8::XParams& param)
+                                 [] (const a8::XParams& param, bool is_destory)
                                  {
 
                                  });
@@ -2913,7 +2913,7 @@ Hero* Creature::InternalSummonHero(Buff* buff, MetaData::Player* hero_meta, a8::
                       {
                       },
                       &hero->xtimer_attacher.timer_list_,
-                      [] (const a8::XParams& param)
+                      [] (const a8::XParams& param, bool is_destory)
                       {
 
                       });
@@ -2927,7 +2927,7 @@ Hero* Creature::InternalSummonHero(Buff* buff, MetaData::Player* hero_meta, a8::
 #endif
              },
              &xtimer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  SummonHeroInfo* summon_info = (SummonHeroInfo*)param.param1.GetUserData();
                  delete summon_info;
@@ -3002,7 +3002,7 @@ void Creature::AutoSwitchWeapon()
              param,
              switch_func,
              &xtimer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                     Creature* c = (Creature*)param.sender.GetUserData();
                     c->auto_switch_weapon_timer_ = nullptr;
@@ -3043,7 +3043,7 @@ void Creature::CheckLoadingBullet()
                      }
                  },
                  &xtimer_attacher.timer_list_,
-                 [] (const a8::XParams& param)
+                 [] (const a8::XParams& param, bool is_destory)
                  {
                      Creature* c = (Creature*)param.sender.GetUserData();
                      if (c->reload_delay_timer_) {
@@ -3435,7 +3435,7 @@ void Creature::LockAttackDir(int time)
              Creature* c = (Creature*)param.sender.GetUserData();
          },
          &xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              Creature* c = (Creature*)param.sender.GetUserData();
              c->DecDisableAttackDirTimes();
diff --git a/server/gameserver/explosion.cc b/server/gameserver/explosion.cc
index 76469f36..d0504fba 100644
--- a/server/gameserver/explosion.cc
+++ b/server/gameserver/explosion.cc
@@ -185,7 +185,7 @@ void Explosion::InternalAttack()
                  (*self)->ProcDamage();
              },
              &room_->xtimer_attacher_.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  auto self = (std::shared_ptr<Explosion>*)param.sender.GetUserData();
                  delete self;
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 4ac00745..e41c9eb5 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1131,7 +1131,7 @@ void Human::BeKill(int killer_id, const std::string& killer_name, int weapon_id,
                           );
                  },
                  &xtimer_attacher.timer_list_,
-                 [] (const a8::XParams& param)
+                 [] (const a8::XParams& param, bool is_destory)
                  {
                      KillInfo* info = (KillInfo*)param.param1.GetUserData();
                      delete info;
@@ -1247,7 +1247,7 @@ void Human::DecHP(float dec_hp, int killer_id, const std::string& killer_name, i
                          .SetParam1(info),
                          downed_func,
                          &xtimer_attacher.timer_list_,
-                         [] (const a8::XParams& param)
+                         [] (const a8::XParams& param, bool is_destory)
                          {
                              DownedInfo* info = (DownedInfo*)param.param1.GetUserData();
                              delete info;
@@ -2934,7 +2934,7 @@ void Human::Revive()
              .SetSender(this),
              callback,
              &xtimer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  Human* hum = (Human*)param.sender.GetUserData();
                  hum->revive_timer = nullptr;
@@ -3354,7 +3354,7 @@ void Human::ProcUseItemAction()
                              }
                          },
                          &xtimer_attacher.timer_list_,
-                         [] (const a8::XParams& param)
+                         [] (const a8::XParams& param, bool is_destory)
                          {
                              Human* hum = (Human*)param.sender.GetUserData();
                              hum->pain_killer_timer = nullptr;
@@ -3915,7 +3915,7 @@ void Human::StartRefreshViewTimer()
              hum->UpdateViewObjects();
          },
          &xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              Human* hum = (Human*)param.sender.GetUserData();
              hum->refresh_view_timer_ = nullptr;
@@ -4522,7 +4522,7 @@ void Human::DoFollow(int target_id)
                          }
                      },
                      &xtimer_attacher.timer_list_,
-                     [] (const a8::XParams& param)
+                     [] (const a8::XParams& param, bool is_destory)
                      {
                          Player* hum = (Player*)param.sender.GetUserData();
                          hum->follow_target_timer_ = nullptr;
@@ -4650,7 +4650,7 @@ void Human::InternalBeKill(int killer_id, const std::string& killer_name, int we
                              hum->SendGameOver();
                          },
                          &xtimer_attacher.timer_list_,
-                         [] (const a8::XParams& param)
+                         [] (const a8::XParams& param, bool is_destory)
                          {
                              Human* hum = (Human*)param.sender.GetUserData();
                              hum->dead_timer = nullptr;
diff --git a/server/gameserver/incubator.cc b/server/gameserver/incubator.cc
index 50aa96fd..65254c44 100644
--- a/server/gameserver/incubator.cc
+++ b/server/gameserver/incubator.cc
@@ -46,7 +46,7 @@ void Incubator::InitPve()
                      incubator->OnEnterNewWave(param.param1.GetInt());
                  },
                  &xtimer_attacher_.timer_list_,
-                 [] (const a8::XParams& param)
+                 [] (const a8::XParams& param, bool is_destory)
                  {
                      int wave = param.param1.GetInt();
                      Incubator* incubator = (Incubator*)param.sender.GetUserData();
diff --git a/server/gameserver/killmgr.cc b/server/gameserver/killmgr.cc
index d3809791..b6f0126b 100644
--- a/server/gameserver/killmgr.cc
+++ b/server/gameserver/killmgr.cc
@@ -218,7 +218,7 @@ void KillMgr::BoradcastRollMsg(Human* dead_hum,
                   *pb_msg);
          },
          &dead_hum->xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              KillInfo* info = (KillInfo*)param.param1.GetUserData();
              std::shared_ptr<cs::SMRollMsg>* pb_msg = (std::shared_ptr<cs::SMRollMsg>*)
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 84bd2f1b..1458b53d 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -765,7 +765,7 @@ void Player::_CMReconnect(f8::MsgHdr& hdr, const cs::CMReconnect& msg)
                  }
              },
              &xtimer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
              });
     }
@@ -1460,7 +1460,7 @@ void Player::CheckShotHoldState(Weapon* weapon)
                      }
                  },
                  &xtimer_attacher.timer_list_,
-                 [] (const a8::XParams& param)
+                 [] (const a8::XParams& param, bool is_destory)
                  {
                      Human* hum = (Human*)param.sender.GetUserData();
                      hum->RemoveBuffById(param.param1);
@@ -1504,7 +1504,7 @@ void Player::AsyncRequestWatchWar(bool send_rsp_msg)
          .SetSender(this),
          cb,
          &xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              Player* hum = (Player*)param.sender.GetUserData();
              hum->watch_war_req_timer_ = nullptr;
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 64edb135..fa40e9f9 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -1349,7 +1349,7 @@ void Room::UpdateGasInactivePvp()
                  }
              },
              &xtimer_attacher_.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  Room* room = (Room*)param.sender.GetUserData();
                  room->auto_jump_timer_ = nullptr;
@@ -2665,7 +2665,7 @@ void Room::ShuaAndroidTimerFunc()
                  room->ShuaAndroidTimerFunc();
              },
              &xtimer_attacher_.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
              }
              );
@@ -2706,7 +2706,7 @@ void Room::DieAndroidTimerFunc()
                  room->DieAndroidTimerFunc();
              },
              &xtimer_attacher_.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
              }
              );
diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 3e8f0642..0e2c90f5 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -526,7 +526,7 @@ void RoomObstacle::ActiveAirDrop()
              obstacle->BroadcastFullState(obstacle->room);
          },
          &xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              int i = 0;
          });
diff --git a/server/gameserver/shot.cc b/server/gameserver/shot.cc
index 3ffc4575..18bd8ea9 100644
--- a/server/gameserver/shot.cc
+++ b/server/gameserver/shot.cc
@@ -260,7 +260,7 @@ static void InternalCreateBullet(BulletInfo& bullet_info)
                  InternalCreateBullet(*info_copy);
              },
              &bullet_info.c.Get()->xtimer_attacher.timer_list_,
-             [] (const a8::XParams& param)
+             [] (const a8::XParams& param, bool is_destory)
              {
                  BulletInfo* info_copy = (BulletInfo*)param.sender.GetUserData();
                  delete info_copy;
diff --git a/server/gameserver/skill.cc b/server/gameserver/skill.cc
index 6cc82eb5..a3d91174 100644
--- a/server/gameserver/skill.cc
+++ b/server/gameserver/skill.cc
@@ -194,7 +194,7 @@ void Skill::AddMinorMode(
              Skill* skill = (Skill*)param.sender.GetUserData();
          },
          &owner->xtimer_attacher.timer_list_,
-         [] (const a8::XParams& param)
+         [] (const a8::XParams& param, bool is_destory)
          {
              Skill* skill = (Skill*)param.sender.GetUserData();
              skill->minor_type_ = SMT_NONE;
@@ -907,7 +907,7 @@ void Skill::ProcFH()
                                                 skill->meta);
                           },
                           &xtimer_attacher.timer_list_,
-                          [] (const a8::XParams& param)
+                          [] (const a8::XParams& param, bool is_destory)
                           {
                           }
                           );
diff --git a/server/gameserver/trigger.cc b/server/gameserver/trigger.cc
index 341474cc..ae07ce8c 100644
--- a/server/gameserver/trigger.cc
+++ b/server/gameserver/trigger.cc
@@ -122,7 +122,7 @@ void Trigger::Shot(MetaData::Equip* weapon_meta)
                      c->RemoveBuffByUniId(param.param1);
                  },
                  &owner_->xtimer_attacher.timer_list_,
-                 [] (const a8::XParams& param)
+                 [] (const a8::XParams& param, bool is_destory)
                  {
                  });
         }
diff --git a/third_party/a8engine b/third_party/a8engine
index 9d9efccd..c02fdb4a 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit 9d9efccd69f5a81ac2905617d2fe4d197394f27c
+Subproject commit c02fdb4a9238a282479161226584ba0845703ae9