diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 51a4c5e..f9cf011 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -62,10 +62,10 @@ void Bullet::OnHit(std::set<Entity*>& objects)
                     (hum->team_id == 0 || player->team_id != hum->team_id)) {
 #endif
                     #if 1
-                    float dmg = gun_meta->i->atk() * (1 + player->GetBuffAttrRate(kHAT_Atk)) +
+                    float dmg = GetAtk() * (1 + player->GetBuffAttrRate(kHAT_Atk)) +
                         player->GetBuffAttrAbs(kHAT_Atk);
                     #else
-                    float dmg = gun_meta->i->atk() * (1 + player->buff.damage_add + player->atk_add);
+                    float dmg = GetAtk() * (1 + player->buff.damage_add + player->atk_add);
                     #endif
                     #if 1
                     float def = hum->ability.def * (1 + hum->GetBuffAttrRate(kHAT_Def)) +
@@ -92,10 +92,10 @@ void Bullet::OnHit(std::set<Entity*>& objects)
                 Obstacle* obstacle = (Obstacle*)target;
                 if (!obstacle->dead && obstacle->meta->i->attack_type() == 1) {
                     #if 1
-                    float dmg = gun_meta->i->atk() * (1 + player->GetBuffAttrRate(kHAT_Atk)) +
+                    float dmg = GetAtk() * (1 + player->GetBuffAttrRate(kHAT_Atk)) +
                         player->GetBuffAttrAbs(kHAT_Atk);
                     #else
-                    float dmg = gun_meta->i->atk() * (1 + player->buff.damage_add + player->atk_add);
+                    float dmg = GetAtk() * (1 + player->buff.damage_add + player->atk_add);
                     #endif
                     float def = 0;
                     float finaly_dmg = dmg * (1 - def/MetaMgr::Instance()->K);
@@ -254,3 +254,10 @@ void Bullet::MapServiceUpdate()
         }
     }
 }
+
+
+float Bullet::GetAtk()
+{
+    return gun_meta->i->atk() +
+        (gun_upgrade_meta ? gun_upgrade_meta->GetAttrValue(gun_lv, kHAT_Atk) : 0);
+}
diff --git a/server/gameserver/bullet.h b/server/gameserver/bullet.h
index e5400b9..eb9768c 100644
--- a/server/gameserver/bullet.h
+++ b/server/gameserver/bullet.h
@@ -40,6 +40,7 @@ class Bullet : public Entity
     void ProcBomb();
     bool IsBomb();
     void MapServiceUpdate();
+    float GetAtk();
 
 private:
     CircleCollider* self_collider_ = nullptr;
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index a53fd64..db7f0ee 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -73,7 +73,7 @@ void Human::Initialize()
     RecalcSelfCollider();
     volume_ = meta->volume;
     observers_.insert(this);
-    ability.hp = meta->i->health();
+    ability.hp = meta->i->health() + (spec_weapon.meta ? spec_weapon.GetAttrValue(kHAT_MaxHp) : 0);
 }
 
 float Human::GetSpeed()
@@ -307,8 +307,8 @@ void Human::Shot(a8::Vec2& target_dir)
         float bullet_angle = std::get<2>(tuple);
         if (curr_weapon->meta->i->bullet_angle() >= 0.10f) {
             int angle = (int)curr_weapon->meta->i->bullet_angle() * 1000;
-            if (curr_weapon->upgrade_meta) {
-                angle -= curr_weapon->upgrade_meta->GetAttrValue(curr_weapon->weapon_lv, kHAT_BulletAngle) * 1000;
+            if (curr_weapon->GetUpgradeMeta()) {
+                angle -= curr_weapon->GetAttrValue(kHAT_BulletAngle) * 1000;
             }
             if (angle > 0) {
                 bullet_angle += (rand() % angle) / 1000.0f * (rand() % 2 == 0 ? 1 : -1);
@@ -395,8 +395,8 @@ void Human::TankShot(a8::Vec2& target_dir)
         float bullet_angle = std::get<2>(tuple);
         if (tank_weapon.meta->i->bullet_angle() >= 0.01f) {
             int angle = (int)tank_weapon.meta->i->bullet_angle() * 1000;
-            if (tank_weapon.upgrade_meta) {
-                angle -= tank_weapon.upgrade_meta->GetAttrValue(tank_weapon.weapon_lv, kHAT_BulletAngle) * 1000;
+            if (tank_weapon.GetUpgradeMeta()) {
+                angle -= tank_weapon.GetAttrValue(kHAT_BulletAngle) * 1000;
             }
             if (angle > 0) {
                 bullet_angle += (rand() % angle) / 1000.0f * (rand() % 2 == 0 ? 1 : -1);
diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index bc955f3..3391b83 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -82,7 +82,8 @@ namespace MetaData
 
     void EquipUpgrade::Init()
     {
-        for (int j = 0; j < i->max_lv(); ++j) {
+        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;
@@ -91,24 +92,29 @@ namespace MetaData
         {
             std::vector<std::string> strings;
             a8::Split(i->attr_type(), strings, '|');
+            int level = 1;
             for (auto& str : strings) {
-                std::vector<std::string> strings2;
-                a8::Split(str, strings2, ':');
-                if (strings2.size() != 3) {
-                    abort();
+                if (str.empty()) {
+                    continue;
                 }
-                int attr_type = a8::XValue(strings2[0]);
-                int attr_level = a8::XValue(strings2[1]);
-                float attr_value = a8::XValue(strings2[2]).GetDouble();
-                if (attr_type < kHAT_End) {
-                    if (attr_level >= 0 && attr_level < i->max_lv()) {
-                        for (int j = 1; j < i->max_lv(); ++j) {
-                            if (j % attr_level == 0) {
-                                level_attrs[j][attr_type] = attr_value * (j / attr_level);
-                            }
-                        }
+                ++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) {
+                        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];
             }
         }
     }
@@ -121,7 +127,7 @@ namespace MetaData
         if (level > (int)level_attrs.size()) {
             return 0;
         }
-        if (attr_type < kHAT_End) {
+        if (attr_type <= kHAT_End) {
             return level_attrs[level][attr_type];
         }
         return 0;
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 9b745ac..b4ff4c1 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -165,7 +165,7 @@ void Player::UpdateShot()
         if (last_shot_frameno_ == 0 ||
             (
              (room->frame_no - last_shot_frameno_) * (1000 / SERVER_FRAME_RATE)) >=
-            p_weapon->meta->i->fire_rate()
+            p_weapon->GetAttrValue(kHAT_FireRate)
             ) {
             Shot();
         }
@@ -359,8 +359,8 @@ void Player::Shot()
             float bullet_angle = std::get<2>(tuple);
             if (curr_weapon->meta->i->bullet_angle() >= 0.01f) {
                 int angle = (int)curr_weapon->meta->i->bullet_angle() * 1000;
-                if (curr_weapon->upgrade_meta) {
-                    angle -= curr_weapon->upgrade_meta->GetAttrValue(curr_weapon->weapon_lv, kHAT_BulletAngle) * 1000;
+                if (curr_weapon->GetUpgradeMeta()) {
+                    angle -= curr_weapon->GetAttrValue(kHAT_BulletAngle) * 1000;
                 }
                 if (angle > 0) {
                     bullet_angle += (rand() % angle) / 1000.0f * (rand() % 2 == 0 ? 1 : -1);
@@ -523,7 +523,11 @@ void Player::LootInteraction(Loot* entity)
                 } else {
                     weapons[0].weapon_idx = 0;
                     weapons[0].weapon_id = entity->item_id;
+                    #if 1
+                    weapons[0].weapon_lv = std::max(1, entity->item_level);
+                    #else
                     weapons[0].weapon_lv = std::max(1, GetWeaponConfigLv(weapons[0].weapon_id));
+                    #endif
                     weapons[0].ammo = 0;
                     weapons[0].meta = item_meta;
                     weapons[0].Recalc();
@@ -554,7 +558,11 @@ void Player::LootInteraction(Loot* entity)
                     return;
                 }
                 weapon->weapon_id = entity->item_id;
+                #if 1
+                weapon->weapon_lv = std::max(1, entity->item_level);
+                #else
                 weapon->weapon_lv = std::max(1, GetWeaponConfigLv(weapon->weapon_id));
+                #endif
                 weapon->ammo = 0;
                 weapon->meta = item_meta;
                 weapon->Recalc();
diff --git a/server/gameserver/playermgr.cc b/server/gameserver/playermgr.cc
index 77e6fcb..7ff4fc8 100644
--- a/server/gameserver/playermgr.cc
+++ b/server/gameserver/playermgr.cc
@@ -5,6 +5,7 @@
 #include "cs_proto.pb.h"
 #include "ss_proto.pb.h"
 #include "room.h"
+#include "metamgr.h"
 
 #include "framework/cpp/utils.h"
 
@@ -73,10 +74,15 @@ Player* PlayerMgr::CreatePlayerByCMJoin(long ip_saddr, int socket, const cs::CMJ
     #endif
     for (auto& weapon : msg.weapons()) {
         if (weapon.weapon_id() != 0 && weapon.weapon_lv() > 0) {
-            hum->weapon_configs[weapon.weapon_id()] = weapon.weapon_lv();
-            hum->spec_weapon.weapon_id = weapon.weapon_id();
-            hum->spec_weapon.weapon_lv = weapon.weapon_lv();
-            hum->spec_weapon.ammo = weapon.ammo();
+            MetaData::Equip* equip_meta = MetaMgr::Instance()->GetEquip(weapon.weapon_id());
+            if (equip_meta) {
+                hum->weapon_configs[weapon.weapon_id()] = weapon.weapon_lv();
+                hum->spec_weapon.weapon_id = weapon.weapon_id();
+                hum->spec_weapon.weapon_lv = weapon.weapon_lv();
+                hum->spec_weapon.ammo = weapon.ammo();
+                hum->spec_weapon.meta = equip_meta;
+                hum->spec_weapon.Recalc();
+            }
         }
     }
     for (auto& weapon : msg.grow_weapons()) {
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index bdc207d..dfb4e17 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -549,7 +549,7 @@ void Room::CreateBullet(Human* hum, Weapon* weapon,
         bullet->player = hum;
         bullet->room = this;
         bullet->gun_meta = weapon->meta;
-        bullet->gun_upgrade_meta = weapon->upgrade_meta;
+        bullet->gun_upgrade_meta = weapon->GetUpgradeMeta();
         bullet->meta = MetaMgr::Instance()->GetEquip(weapon->meta->i->use_bullet());
         bullet->SetPos(pos);
         bullet->dir = dir;
diff --git a/server/gameserver/types.cc b/server/gameserver/types.cc
index 1b039dd..13afca7 100644
--- a/server/gameserver/types.cc
+++ b/server/gameserver/types.cc
@@ -26,6 +26,41 @@ int Weapon::GetClipVolume()
     }
 }
 
+float Weapon::GetAttrValue(HumanAttrType_e attr_type)
+{
+    if (!meta) {
+        return 0;
+    }
+    switch (attr_type) {
+    case kHAT_Atk:
+        {
+            return meta->i->atk() +
+                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+        }
+        break;
+    case kHAT_FireRate:
+        {
+            return meta->i->fire_rate() -
+                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+        }
+        break;
+    case kHAT_Volume:
+        {
+            return meta->i->clip_volume() +
+                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+        }
+        break;
+    case kHAT_MaxHp:
+        {
+            return 0 +
+                (upgrade_meta ? upgrade_meta->GetAttrValue(weapon_lv, attr_type) : 0);
+        }
+        break;
+    default:
+        return 0;
+    }
+}
+
 void Skin::ToPB(cs::MFSkin* pb_obj)
 {
     pb_obj->set_skin_id(skin_id);
diff --git a/server/gameserver/types.h b/server/gameserver/types.h
index f4a1956..e00a8dc 100755
--- a/server/gameserver/types.h
+++ b/server/gameserver/types.h
@@ -52,11 +52,15 @@ struct Weapon
     int weapon_lv = 0;
     int ammo = 0;
     MetaData::Equip* meta = nullptr;
-    MetaData::EquipUpgrade* upgrade_meta = nullptr;
 
     void ToPB(cs::MFWeapon* pb_obj);
     void Recalc();
     int GetClipVolume();
+    float GetAttrValue(HumanAttrType_e attr_type);
+    MetaData::EquipUpgrade* GetUpgradeMeta() { return upgrade_meta;}
+
+private:
+    MetaData::EquipUpgrade* upgrade_meta = nullptr;
 };
 
 struct Skin
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index 6e3560a..0773157 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -99,7 +99,6 @@ message EquipUpgrade
 {
     optional int32 id = 1;
     optional string attr_type = 4;
-    optional int32 max_lv = 5;
 }
 
 message Player