diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index 62fae9b..0f6be62 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -186,6 +186,7 @@ enum BuffTriggerType_e
 
 enum BuffEffectType_e
 {
+    BET_Begin = 0,
     BET_ChgAttr = 1, //改变属性
     BET_Vertigo = 2, //眩晕
     BET_LastDmg = 3, //持续伤害
@@ -193,6 +194,7 @@ enum BuffEffectType_e
     BET_Invincible = 5, //无敌
     BET_Hide = 6, //隐身
     BET_Dcgr = 7, //电磁干扰
+    BET_End
 };
 
 enum SkillFunc_e
diff --git a/server/gameserver/global.cc b/server/gameserver/global.cc
index ea6bb11..68c87c4 100755
--- a/server/gameserver/global.cc
+++ b/server/gameserver/global.cc
@@ -48,3 +48,8 @@ SkillFunc_e Str2SkillFunc(const std::string& func_str)
     }
     return Skill_FuncNone;
 }
+
+bool IsValidBuffEffect(int buff_effect)
+{
+    return buff_effect > BET_Begin && buff_effect < BET_End;
+}
diff --git a/server/gameserver/global.h b/server/gameserver/global.h
index 3c7aa95..45694b4 100755
--- a/server/gameserver/global.h
+++ b/server/gameserver/global.h
@@ -23,3 +23,4 @@ class Global : public a8::Singleton<Global>
 
 bool IsValidSlotId(int slot_id);
 SkillFunc_e Str2SkillFunc(const std::string& func_str);
+bool IsValidBuffEffect(int buff_effect);
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 7ee6c39..f3cf691 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1352,7 +1352,7 @@ void Human::AddBuff(MetaData::Buff* buff_meta)
     //buff->skill_meta
     buff->add_frameno = room->frame_no;
     buff->xtimer_attacher.xtimer = &room->xtimer;
-    buff_effect_hash_[buff->meta->i->buff_id()] = buff;
+    buff_effect_[buff->meta->i->buff_effect()] = buff;
     room->frame_event.AddBuff(this, buff);
     {
         room->xtimer.AddDeadLineTimerAndAttach(
@@ -1374,7 +1374,9 @@ void Human::RemoveBuff(int buff_id)
 {
     for (auto itr = buff_list_.begin(); itr != buff_list_.end(); ++itr) {
         if (itr->meta->i->buff_id() == buff_id) {
-            buff_effect_hash_.erase(itr->meta->i->buff_effect());
+            if (buff_effect_[itr->meta->i->buff_effect()] == &(*itr)) {
+                buff_effect_[itr->meta->i->buff_effect()] = nullptr;
+            }
             buff_list_.erase(itr);
             room->frame_event.RemoveBuff(this, buff_id);
             break;
@@ -1546,6 +1548,5 @@ Buff* Human::GetBuffById(int buff_id)
 
 Buff* Human::GetBuffByEffectId(int effect_id)
 {
-    auto itr = buff_effect_hash_.find(effect_id);
-    return itr != buff_effect_hash_.end() ? itr->second : nullptr;
+    return IsValidBuffEffect(effect_id) ? buff_effect_[effect_id] : nullptr;
 }
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index c8a3852..91669bb 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -250,7 +250,7 @@ private:
     CircleCollider* self_collider_ = nullptr;
     long long last_sync_gas_frameno = 0;
     std::list<Buff> buff_list_;
-    std::map<int, Buff*> buff_effect_hash_;
+    std::array<Buff*, BET_End> buff_effect_ = {};
 
     bool already_report_battle_ = false;
     bool sent_game_end_ = false;
diff --git a/server/gameserver/metamgr.cc b/server/gameserver/metamgr.cc
index 7a60d71..984f44a 100755
--- a/server/gameserver/metamgr.cc
+++ b/server/gameserver/metamgr.cc
@@ -248,6 +248,9 @@ private:
         }
 
         for (auto& meta : buff_meta_list) {
+            if (!IsValidBuffEffect(meta.buff_effect())) {
+                abort();
+            }
             MetaData::Buff& item = a8::FastAppend(buff_list);
             item.i = &meta;
             item.Init();