diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index d1628005..025d8661 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -429,8 +429,7 @@ void Bullet::MapServiceUpdate()
 
 float Bullet::GetAtk()
 {
-    float atk = gun_meta->i->atk() +
-        (gun_upgrade_meta ? gun_upgrade_meta->GetAttrValue(gun_lv, kHAT_Atk) : 0);
+    float atk = gun_meta->i->atk();
     if (sender.Get()->IsAndroid()) {
         Android* android = (Android*)sender.Get();
         atk *= android->ai->GetAttackRate();
@@ -561,9 +560,6 @@ void Bullet::Check(float distance)
              });
     }
     float bullet_range = gun_meta->i->range();
-    if (gun_upgrade_meta && gun_upgrade_meta->GetAttrValue(gun_lv, kHAT_ShotRange) > 0) {
-        bullet_range += gun_upgrade_meta->GetAttrValue(gun_lv, kHAT_ShotRange);
-    }
     if (!objects.empty() || (!IsBomb() && distance > bullet_range) || eat ||
         (IsBomb() && meta->i->_inventory_slot() != IS_RPG && distance >= fly_distance)
         ) {
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 7e575ab6..9565a053 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -18,7 +18,6 @@ struct BulletInfo
     CreatureWeakPtr c;
     long long weapon_uniid = 0;
     MetaData::Equip* weapon_meta = nullptr;
-    MetaData::EquipUpgrade* weapon_upgrade_meta = nullptr;
     MetaData::Equip* bullet_meta = nullptr;
     a8::Vec2 bullet_born_pos;
     a8::Vec2 bullet_dir;
@@ -70,7 +69,6 @@ static void InternalCreateBullet(BulletInfo& bullet_info)
                 (c,
                  c->shot_passenger,
                  bullet_info.weapon_meta,
-                 bullet_info.weapon_upgrade_meta,
                  bullet_info.bullet_meta,
                  bullet_info.bullet_born_pos,
                  bullet_info.bullet_dir,
@@ -122,7 +120,6 @@ static void InternalCreateBullet(BulletInfo& bullet_info)
 
 void InternalShot(Creature* c,
                   MetaData::Equip* weapon_meta,
-                  MetaData::EquipUpgrade* weapon_upgrade_meta,
                   MetaData::Equip* bullet_meta,
                   int weapon_lv,
                   int skill_id,
@@ -209,7 +206,6 @@ void InternalShot(Creature* c,
             bullet_info.c = c->GetWeakPtrRef();
             bullet_info.weapon_uniid = weapon_uniid;
             bullet_info.weapon_meta = weapon_meta;
-            bullet_info.weapon_upgrade_meta = weapon_upgrade_meta;
             bullet_info.bullet_meta = bullet_meta;
             bullet_info.bullet_born_pos = bullet_born_pos;
             bullet_info.bullet_dir = bullet_dir;
@@ -1043,8 +1039,6 @@ void Creature::ProcSkillPhase(MetaData::SkillPhase* phase)
         {
             MetaData::Equip* weapon_meta = MetaMgr::Instance()->GetEquip(phase->param1.GetInt());
             if (weapon_meta) {
-                MetaData::EquipUpgrade* weapon_upgrade_meta =
-                    MetaMgr::Instance()->GetEquipUpgrade(weapon_meta->i->id());
                 MetaData::Equip* bullet_meta =
                     MetaMgr::Instance()->GetEquip(weapon_meta->i->use_bullet());
                 if (CurrentSkill()->meta->i->skill_target() == kST_SpecDir) {
@@ -1060,7 +1054,6 @@ void Creature::ProcSkillPhase(MetaData::SkillPhase* phase)
                                 (
                                  this,
                                  weapon_meta,
-                                 weapon_upgrade_meta,
                                  bullet_meta,
                                  1,
                                  CurrentSkill() ? CurrentSkill()->meta->i->skill_id() : 0,
@@ -1083,7 +1076,6 @@ void Creature::ProcSkillPhase(MetaData::SkillPhase* phase)
                                 (
                                  this,
                                  weapon_meta,
-                                 weapon_upgrade_meta,
                                  bullet_meta,
                                  1,
                                  CurrentSkill() ? CurrentSkill()->meta->i->skill_id() : 0,
@@ -1808,7 +1800,6 @@ void Creature::Shot(a8::Vec2& target_dir, bool& shot_ok, float fly_distance)
     if (GetCurrWeapon()->meta->power_charge.empty() || power_idx < 0) {
         InternalShot(this,
                      GetCurrWeapon()->meta,
-                     GetCurrWeapon()->GetUpgradeMeta(),
                      GetCurrWeapon()->bullet_meta,
                      GetCurrWeapon()->weapon_lv,
                      0,
@@ -1819,8 +1810,6 @@ void Creature::Shot(a8::Vec2& target_dir, bool& shot_ok, float fly_distance)
         MetaData::Equip* weapon_meta = MetaMgr::Instance()->GetEquip
             (std::get<1>(GetCurrWeapon()->meta->power_charge[power_idx]));
         if (weapon_meta) {
-            MetaData::EquipUpgrade* weapon_upgrade_meta = MetaMgr::Instance()->GetEquipUpgrade
-                (weapon_meta->i->id());
             MetaData::Equip* bullet_meta = MetaMgr::Instance()->GetEquip(weapon_meta->i->use_bullet());;
 
             if (bullet_meta) {
@@ -1834,7 +1823,6 @@ void Creature::Shot(a8::Vec2& target_dir, bool& shot_ok, float fly_distance)
                 #endif
                 InternalShot(this,
                              weapon_meta,
-                             weapon_upgrade_meta,
                              bullet_meta,
                              GetCurrWeapon()->weapon_lv,
                              0,
diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index c827da81..20efd2c9 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -346,7 +346,6 @@ private:
 
 void InternalShot(Creature* sender,
                   MetaData::Equip* weapon_meta,
-                  MetaData::EquipUpgrade* weapon_upgrade_meta,
                   MetaData::Equip* bullet_meta,
                   int weapon_lv,
                   int skill_id,
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 208f2246..0aa64ac8 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -785,7 +785,6 @@ void Human::CarShot(const a8::Vec2& target_dir)
 
     InternalShot(this,
                  second_weapon.meta,
-                 second_weapon.GetUpgradeMeta(),
                  second_weapon.bullet_meta,
                  second_weapon.weapon_lv,
                  0,
diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index 1db225a3..b5fdbd7e 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -547,63 +547,6 @@ namespace MetaData
         }
     }
 
-    void EquipUpgrade::Init()
-    {
-        const int MAX_LV = 20;
-        for (int j = 0; j < MAX_LV; ++j) {
-            std::array<float, kHAT_End>& attrs = a8::FastAppend(level_attrs);
-            for (size_t k = 0; k < kHAT_End; ++k) {
-                attrs[k] = 0;
-            }
-        }
-        {
-            std::vector<std::string> strings;
-            if (!i->spera_attr().empty()) {
-                a8::Split(i->spera_attr(), strings, '|');
-            } else {
-                a8::Split(i->attr_type(), strings, '|');
-            }
-            int level = 1;
-            for (auto& str : strings) {
-                if (str.empty()) {
-                    continue;
-                }
-                ++level;
-                std::vector<std::string> strings2;
-                a8::Split(str, strings2, ';');
-                for (auto& str2 : strings2) {
-                    std::vector<std::string> strings3;
-                    a8::Split(str2, strings3, ':');
-                    if (strings3.size() != 2) {
-                        A8_ABORT();
-                    }
-                    int attr_type = a8::XValue(strings3[0]);
-                    int attr_value = a8::XValue(strings3[1]);
-                    if (attr_type <= kHAT_End) {
-                        level_attrs[level][attr_type] = attr_value;
-                    }
-                }
-            }//end for strings
-            for (int i = level; i < MAX_LV; ++i) {
-                level_attrs[i] = level_attrs[level];
-            }
-        }
-    }
-
-    float EquipUpgrade::GetAttrValue(int level, int attr_type)
-    {
-        if (level < 1) {
-            return 0;
-        }
-        if (level > (int)level_attrs.size()) {
-            return 0;
-        }
-        if (attr_type <= kHAT_End) {
-            return level_attrs[level][attr_type];
-        }
-        return 0;
-    }
-
     void Player::Init()
     {
         {
diff --git a/server/gameserver/metadata.h b/server/gameserver/metadata.h
index 076a9bc2..81de2173 100644
--- a/server/gameserver/metadata.h
+++ b/server/gameserver/metadata.h
@@ -118,17 +118,6 @@ namespace MetaData
         bool Match(CondAddBuff_e cond, int val, int val2);
     };
 
-    struct EquipUpgrade
-    {
-        const metatable::EquipUpgrade* i = nullptr;
-
-        void Init();
-        float GetAttrValue(int level, int attr_type);
-
-    private:
-        std::vector<std::array<float, kHAT_End>> level_attrs;
-    };
-
     struct Player
     {
         const metatable::Player* i = nullptr;
diff --git a/server/gameserver/metamgr.cc b/server/gameserver/metamgr.cc
index b2cc29af..1210067f 100644
--- a/server/gameserver/metamgr.cc
+++ b/server/gameserver/metamgr.cc
@@ -181,8 +181,6 @@ public:
     std::list<MetaData::Attr> attr_list;
     std::list<metatable::RankReward> rankreward_meta_list;
     std::list<MetaData::RankReward> rankreward_list;
-    std::list<metatable::EquipUpgrade> equipupgrade_meta_list;
-    std::list<MetaData::EquipUpgrade> equipupgrade_list;
     std::list<metatable::KillReward> killreward_meta_list;
     std::list<MetaData::KillReward> killreward_list;
     std::list<metatable::RankPoint> rankpoint_meta_list;
@@ -234,7 +232,6 @@ public:
     std::map<int, MetaData::KillReward*> killreward_hash;
     std::map<int, MetaData::RankPoint*> rankpoint_hash;
     std::map<int, MetaData::KillPoint*> killpoint_hash;
-    std::map<int, MetaData::EquipUpgrade*> equipupgrade_hash;
     std::map<int, MetaData::Robot*> robot_hash;
     std::map<int, std::vector<MetaData::AirLine*>> airline_hash;
     std::map<long long, MetaData::AI*> android_ai_hash;
@@ -293,7 +290,6 @@ public:
         f8::ReadCsvMetaFile(res_path + "killReward@killReward.csv", killreward_meta_list);
         f8::ReadCsvMetaFile(res_path + "killPoint@killPoint.csv", killpoint_meta_list);
         f8::ReadCsvMetaFile(res_path + "rankPoint@rankPoint.csv", rankpoint_meta_list);
-        f8::ReadCsvMetaFile(res_path + "equipUpgrade@equipUpgrade.csv", equipupgrade_meta_list);
         f8::ReadCsvMetaFile(res_path + "robot@robot.csv", robot_meta_list);
         f8::ReadCsvMetaFile(res_path + "ai@ai.csv", ai_meta_list);
         f8::ReadCsvMetaFile(res_path + "text@text.csv", text_meta_list);
@@ -900,13 +896,6 @@ private:
            rankpoint_hash[item.i->rank()] = &item;
        }
 
-       for (auto& meta : equipupgrade_meta_list) {
-           MetaData::EquipUpgrade& item = a8::FastAppend(equipupgrade_list);
-           item.i = &meta;
-           item.Init();
-           equipupgrade_hash[meta.id()] = &item;
-       }
-
        for (auto& meta : robot_meta_list) {
            MetaData::Robot& item = a8::FastAppend(robot_list);
            item.i = &meta;
@@ -1062,12 +1051,6 @@ MetaData::Equip* MetaMgr::GetEquipBySlotId(int slot_id)
     return itr != loader_->equip_slot_hash.end() ? itr->second : nullptr;
 }
 
-MetaData::EquipUpgrade* MetaMgr::GetEquipUpgrade(int equip_id)
-{
-    auto itr = loader_->equipupgrade_hash.find(equip_id);
-    return itr != loader_->equipupgrade_hash.end() ? itr->second : nullptr;
-}
-
 MetaData::Building* MetaMgr::GetBuilding(int building_id)
 {
     auto itr = loader_->building_hash.find(building_id);
diff --git a/server/gameserver/metamgr.h b/server/gameserver/metamgr.h
index ccdbd2e3..c687d8bd 100644
--- a/server/gameserver/metamgr.h
+++ b/server/gameserver/metamgr.h
@@ -27,7 +27,6 @@ class MetaMgr : public a8::Singleton<MetaMgr>
     MetaData::Player* GetPlayer(int id);
     MetaData::Equip* GetEquip(int id);
     MetaData::Equip* GetEquipBySlotId(int slot_id);
-    MetaData::EquipUpgrade* GetEquipUpgrade(int equip_id);
     MetaData::Item* GetItem(int id);
     MetaData::Item* GetHeroSkin(int id);
     MetaData::Building* GetBuilding(int building_id);
diff --git a/server/gameserver/obstacle.cc b/server/gameserver/obstacle.cc
index a719267e..e1849fd2 100644
--- a/server/gameserver/obstacle.cc
+++ b/server/gameserver/obstacle.cc
@@ -544,16 +544,6 @@ void Obstacle::OnBulletHit(Bullet* bullet)
             }
         }
         BroadcastFullState(bullet->room);
-#ifdef DEBUG
-        bullet->sender.Get()->SendDebugMsg
-            (
-             a8::Format("bullet weapon_id:%d atk:%f",
-                        {
-                         bullet->gun_meta->i->id(),
-                         bullet->GetAtk()
-                        })
-             );
-#endif
     }
 }
 
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index ebf10d25..9ce43b87 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -589,7 +589,6 @@ int Room::CreateLootEx(int equip_id, a8::Vec2 born_pos, a8::Vec2 pos, int count,
 int Room::CreateBullet(Creature* sender,
                        Creature* passenger,
                        MetaData::Equip* weapon_meta,
-                       MetaData::EquipUpgrade* weapon_upgrade_meta,
                        MetaData::Equip* bullet_meta,
                        a8::Vec2 pos,
                        a8::Vec2 dir,
@@ -607,7 +606,6 @@ int Room::CreateBullet(Creature* sender,
         bullet->room = this;
         bullet->weapon_uniid = weapon_uniid;
         bullet->gun_meta = weapon_meta;
-        bullet->gun_upgrade_meta = weapon_upgrade_meta;
         bullet->meta = bullet_meta;
         bullet->SetPos(pos);
         bullet->dir = dir;
@@ -3129,9 +3127,6 @@ void Room::AddPlayerPostProc(Player* hum)
                                                 hum->GetHP(),
                                                 hum->GetMaxHP(),
                                                 hum->GetCurrWeapon()->meta->i->reload_time(),
-                                                hum->GetCurrWeapon()->GetUpgradeMeta() ?
-                                                hum->GetCurrWeapon()->GetUpgradeMeta()->GetAttrValue
-                                                (hum->GetCurrWeapon()->weapon_lv, kHAT_ReloadTime) : 0,
                                                 hum->GetCurrWeapon()->GetAttrValue(kHAT_ReloadTime)
                                                });
              hum->SendDebugMsg(debugmsg);
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index 9212747e..43e9f162 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -164,7 +164,6 @@ public:
     int CreateBullet(Creature* sender,
                      Creature* passenger,
                      MetaData::Equip* weapon_meta,
-                     MetaData::EquipUpgrade* weapon_upgrade_meta,
                      MetaData::Equip* bullet_meta,
                      a8::Vec2 pos,
                      a8::Vec2 dir,
diff --git a/server/gameserver/weapon.cc b/server/gameserver/weapon.cc
index 874c7851..274890f8 100644
--- a/server/gameserver/weapon.cc
+++ b/server/gameserver/weapon.cc
@@ -12,7 +12,6 @@ void Weapon::Clear()
     ammo = 0;
     meta = 0;
     bullet_meta = nullptr;
-    upgrade_meta = nullptr;
 }
 
 void Weapon::ToPB(cs::MFWeapon* pb_obj)
@@ -26,7 +25,6 @@ void Weapon::ToPB(cs::MFWeapon* pb_obj)
 
 void Weapon::Recalc()
 {
-    upgrade_meta = MetaMgr::Instance()->GetEquipUpgrade(weapon_id);
     bullet_meta = MetaMgr::Instance()->GetEquip(meta->i->use_bullet());
 }
 
@@ -43,32 +41,27 @@ float Weapon::GetAttrValue(HumanAttrType_e attr_type)
     switch (attr_type) {
     case kHAT_Atk:
         {
-            return meta->i->atk() +
-                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+            return meta->i->atk();
         }
         break;
     case kHAT_FireRate:
         {
-            return meta->i->fire_rate() -
-                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+            return meta->i->fire_rate();
         }
         break;
     case kHAT_Volume:
         {
-            return meta->i->clip_volume() +
-                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+            return meta->i->clip_volume();
         }
         break;
     case kHAT_MaxHp:
         {
-            return meta->i->max_hp() +
-                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+            return meta->i->max_hp();
         }
         break;
     case kHAT_ReloadTime:
         {
-            return meta->i->reload_time() -
-                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+            return meta->i->reload_time();
         }
         break;
     default:
diff --git a/server/gameserver/weapon.h b/server/gameserver/weapon.h
index 490cd95c..cef733a2 100644
--- a/server/gameserver/weapon.h
+++ b/server/gameserver/weapon.h
@@ -9,7 +9,6 @@ namespace cs
 namespace MetaData
 {
     struct Equip;
-    struct EquipUpgrade;
 }
 
 struct Weapon
@@ -27,8 +26,4 @@ struct Weapon
     void Recalc();
     int GetClipVolume();
     float GetAttrValue(HumanAttrType_e attr_type);
-    MetaData::EquipUpgrade* GetUpgradeMeta() { return upgrade_meta;}
-
-private:
-    MetaData::EquipUpgrade* upgrade_meta = nullptr;
 };