diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 5ade276..0366eda 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -3059,6 +3059,30 @@ void Human::ProcBuffEffect(Human* caster, Buff* buff)
                   0);
         }
         break;
+    case kBET_DelayAddBuff:
+        {
+            room->xtimer.AddDeadLineTimerAndAttach
+                (
+                 SERVER_FRAME_RATE * buff->meta->param1 / 1000.0f,
+                 a8::XParams()
+                 .SetSender(this)
+                 .SetParam1(caster)
+                 .SetParam2(buff->meta->param2)
+                 .SetParam3(caster->skill_meta_),
+                 [] (const a8::XParams& param)
+                 {
+                     Human* hum = (Human*)param.sender.GetUserData();
+                     Human* caster = (Human*)param.param1.GetUserData();
+                     int buff_id = param.param2;
+                     MetaData::Skill* skill = (MetaData::Skill*)param.param3.GetUserData();
+                     MetaData::Buff* buff_meta = MetaMgr::Instance()->GetBuff(buff_id);
+                     if (buff_meta && skill == caster->skill_meta_ && caster) {
+                         hum->AddBuff(caster, buff_meta, caster->GetSkillLv(), skill);
+                     }
+                 },
+                 &buff->xtimer_attacher.timer_list_);
+        }
+        break;
     default:
         {
         }