diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 1bc2337..737e1ea 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -65,7 +65,11 @@ void Bullet::Update(int delta_time)
                 }
             }
         }//end for
-        if (!objects.empty() || distance > gun_meta->i->range() ||
+        float bullet_range = gun_meta->i->range();
+        if (gun_upgrade_meta && gun_upgrade_meta->attr[EA_ShotRange] > 0) {
+            bullet_range += gun_upgrade_meta->attr[EA_ShotRange];
+        }
+        if (!objects.empty() || distance > bullet_range ||
             (IsBomb() && meta->i->_inventory_slot() != 4 && distance >= fly_distance)
             ) {
             if (IsBomb()) {
diff --git a/server/gameserver/bullet.h b/server/gameserver/bullet.h
index 7718002..ea92298 100644
--- a/server/gameserver/bullet.h
+++ b/server/gameserver/bullet.h
@@ -6,6 +6,7 @@ namespace MetaData
 {
     struct Player;
     struct Equip;
+    struct EquipUpgrade;
 }
 
 class Human;
@@ -14,6 +15,7 @@ class Bullet : public Entity
 {
  public:
     MetaData::Equip* gun_meta = nullptr;
+    MetaData::EquipUpgrade* gun_upgrade_meta = nullptr;
     MetaData::Equip* meta = nullptr;
     Human* player = nullptr;
     Vector2D dir;
diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index 48805a8..158f8b4 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -122,13 +122,13 @@ enum VirtualPlayer_e
     VP_Mine = 9000003,
 };
 
-enum EquipAttr
+enum EquipAttr_e
 {
-    EA_HP = 1,
-    EA_Dmg = 2,
-    EA_ShotRange = 3,
-    EA_ShotSpeed = 4,
-    EA_Def = 5,
+    EA_View = 1, //客户端用
+    EA_ShotRange = 2,
+    EA_Volume = 3,
+    EA_AutoAngle = 4, //客户端用
+    EA_BulletAngle = 5,
     EA_End
 };
 
diff --git a/server/gameserver/frameevent.cc b/server/gameserver/frameevent.cc
index af01285..ec37fd1 100644
--- a/server/gameserver/frameevent.cc
+++ b/server/gameserver/frameevent.cc
@@ -68,6 +68,7 @@ void FrameEvent::AddBullet(Human* hum, Vector2D born_pos, Vector2D dir, float fl
         dir.ToPB(p.mutable_dir());
         p.set_bulletskin(10001);
         p.set_gun_id(hum->curr_weapon->meta->i->id());
+        p.set_gun_lv(hum->curr_weapon->weapon_lv);
         p.set_fly_distance(fly_distance);
     }
     {
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index f611280..bd401c6 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -25,6 +25,7 @@ Human::Human():Entity()
     default_weapon.weapon_lv = 1;
     default_weapon.ammo = 1;
     default_weapon.meta = MetaMgr::Instance()->GetEquip(default_weapon.weapon_id);
+    default_weapon.Recalc();
     weapons.reserve(MAX_WEAPON_NUM);
     for (size_t i = 0; i < MAX_WEAPON_NUM; ++i) {
         auto& weapon = a8::FastAppend(weapons);
@@ -195,12 +196,18 @@ void Human::Shot(Vector2D& target_dir)
         Vector2D bullet_born_pos = pos + bullet_born_offset;
         Vector2D bullet_dir = attack_dir;
         float bullet_angle = std::get<2>(tuple);
-        if (curr_weapon->meta->i->bullet_angle() >= 1.0f) {
-            bullet_angle += (rand() % (int)curr_weapon->meta->i->bullet_angle()) * (rand() % 2 == 0 ? 1 : -1);
+        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->attr[EA_BulletAngle] * 1000;
+            }
+            if (angle > 0) {
+                bullet_angle += (rand() % angle) / 1000.0f * (rand() % 2 == 0 ? 1 : -1);
+            }
         }
         bullet_dir.Rotate(bullet_angle / 180.0f);
         room->frame_event.AddBullet(this, bullet_born_pos, attack_dir, fly_distance);
-        room->CreateBullet(this, curr_weapon->meta, bullet_born_pos, attack_dir, fly_distance);
+        room->CreateBullet(this, curr_weapon, bullet_born_pos, attack_dir, fly_distance);
     }
     --curr_weapon->ammo;
     int slot_id = curr_weapon->meta->i->_inventory_slot();
@@ -397,7 +404,7 @@ void Human::AutoLoadingBullet(bool manual)
 {
     if (curr_weapon->weapon_idx != 0 &&
         (curr_weapon->ammo <= 0 ||
-         (manual && curr_weapon->ammo < curr_weapon->meta->i->clip_volume()))
+         (manual && curr_weapon->ammo < curr_weapon->GetClipVolume()))
          ) {
         MetaData::Equip* bullet_meta = MetaMgr::Instance()->GetEquip(curr_weapon->meta->i->use_bullet());
         if (bullet_meta &&
@@ -727,6 +734,7 @@ void Human::Land()
             weapons[GUN_SLOT1].weapon_lv = 1;
             weapons[GUN_SLOT1].ammo = 0;
             weapons[GUN_SLOT1].meta = weapon_meta;
+            weapons[GUN_SLOT1].Recalc();
             curr_weapon = &weapons[GUN_SLOT1];
         }
     }
@@ -1516,17 +1524,17 @@ void Human::UpdateAction()
                     MetaData::Equip* bullet_meta = MetaMgr::Instance()->GetEquip(curr_weapon->meta->i->use_bullet());
                     if (bullet_meta) {
                         int ammo = curr_weapon->ammo;
-                        if (ammo < curr_weapon->meta->i->clip_volume()) {
+                        if (ammo < curr_weapon->GetClipVolume()) {
                             if (bullet_meta->i->_inventory_slot() >= 0 &&
                                 bullet_meta->i->_inventory_slot() < IS_END) {
                                 if (GetInventory(bullet_meta->i->_inventory_slot()) > 0) {
                                     int add_num = 0;
                                     if (GetInventory(bullet_meta->i->_inventory_slot()) <=
-                                        curr_weapon->meta->i->clip_volume() - ammo) {
+                                        curr_weapon->GetClipVolume() - ammo) {
                                         add_num = GetInventory(bullet_meta->i->_inventory_slot());
                                         DecInventory(bullet_meta->i->_inventory_slot(), add_num);
                                     } else {
-                                        add_num = curr_weapon->meta->i->clip_volume() - ammo;
+                                        add_num = curr_weapon->GetClipVolume() - ammo;
                                         DecInventory(bullet_meta->i->_inventory_slot(), add_num);
                                     }
                                     curr_weapon->ammo += add_num;
@@ -1649,6 +1657,12 @@ void Human::SendWxVoip()
     SendNotifyMsg(notifymsg);
 }
 
+int Human::GetWeaponConfigLv(int weapon_id)
+{
+    auto itr = weapon_configs.find(weapon_id);
+    return itr != weapon_configs.end() ? itr->second : 0;
+}
+
 void Human::ClearFrameData()
 {
     if (!new_objects.empty()) {
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index fa82ebe..5ed9851 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -101,6 +101,7 @@ class Human : public Entity
     long long send_msg_times = 0;
 
     float def = 0.0f;
+    std::map<int, int> weapon_configs;
 
     Human();
     virtual ~Human() override;
@@ -174,6 +175,7 @@ class Human : public Entity
     void UpdateAction();
     void SendUIUpdate();
     void SendWxVoip();
+    int GetWeaponConfigLv(int weapon_id);
 
 private:
     void ClearFrameData();
diff --git a/server/gameserver/metadata.cc b/server/gameserver/metadata.cc
index 09bc47e..e2390cb 100644
--- a/server/gameserver/metadata.cc
+++ b/server/gameserver/metadata.cc
@@ -79,6 +79,32 @@ namespace MetaData
         }
     }
 
+    void EquipUpgrade::Init()
+    {
+        std::vector<int> attr_type;
+        std::vector<float> attr_value;
+        {
+            std::vector<std::string> strings;
+            a8::Split(i->attr_type(), strings, '|');
+            for (auto& str : strings) {
+                attr_type.push_back(a8::XValue(str).GetInt());
+            }
+        }
+        {
+            std::vector<std::string> strings;
+            a8::Split(i->attr_value(), strings, '|');
+            for (auto& str : strings) {
+                attr_value.push_back(a8::XValue(str).GetDouble());
+            }
+        }
+        assert(attr_type.size() == attr_value.size());
+        for (size_t i = 0; i < attr_type.size(); ++i) {
+            if (attr_type[i] < EA_End) {
+                attr[attr_type[i]] = attr_value[i];
+            }
+        }
+    }
+
     void Player::Init()
     {
         {
diff --git a/server/gameserver/metadata.h b/server/gameserver/metadata.h
index 1430bbf..403bf3b 100755
--- a/server/gameserver/metadata.h
+++ b/server/gameserver/metadata.h
@@ -52,6 +52,14 @@ namespace MetaData
         void Init();
     };
 
+    struct EquipUpgrade
+    {
+        const metatable::EquipUpgrade* i = nullptr;
+
+        std::array<float, EA_End> attr = {};
+        void Init();
+    };
+
     struct Player
     {
         const metatable::Player* i = nullptr;
diff --git a/server/gameserver/metamgr.cc b/server/gameserver/metamgr.cc
index c41b639..f016656 100755
--- a/server/gameserver/metamgr.cc
+++ b/server/gameserver/metamgr.cc
@@ -39,6 +39,8 @@ public:
     std::list<MetaData::Skill> skill_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::map<std::string, MetaData::Parameter*> parameter_hash;
     std::map<int, MetaData::Map*> gamemap_hash;
@@ -55,6 +57,7 @@ public:
     std::map<int, MetaData::Dress*> dress_hash;
     std::map<int, MetaData::Skill*> skill_hash;
     std::map<int, MetaData::RankReward*> rankreward_hash;
+    std::map<long long, MetaData::EquipUpgrade*> equipupgrade_hash;
 
     void Load()
     {
@@ -88,6 +91,7 @@ public:
         f8::ReadCsvMetaFile(res_path + "dress@dress.csv", dress_meta_list);
         f8::ReadCsvMetaFile(res_path + "skill@skill.csv", skill_meta_list);
         f8::ReadCsvMetaFile(res_path + "rankReward@rankReward.csv", rankreward_meta_list);
+        f8::ReadCsvMetaFile(res_path + "equipUpgrade@equipUpgrade.csv", equipupgrade_meta_list);
         BindToMetaData();
         #if 1
         {
@@ -232,6 +236,12 @@ private:
             rankreward_hash[item.i->rank()] = &item;
         }
 
+       for (auto& meta : equipupgrade_meta_list) {
+            MetaData::EquipUpgrade& item = a8::FastAppend(equipupgrade_list);
+            item.i = &meta;
+            equipupgrade_hash[a8::MakeInt64(meta.id(), meta.level())] = &item;
+        }
+
     }
 
 private:
@@ -307,6 +317,12 @@ MetaData::Equip* MetaMgr::GetEquipBySlotId(int slot_id)
     return itr != loader_->equip_slot_hash.end() ? itr->second : nullptr;
 }
 
+MetaData::EquipUpgrade* MetaMgr::GetEquipUpgrade(int equip_id, int equip_lv)
+{
+    auto itr = loader_->equipupgrade_hash.find(a8::MakeInt64(equip_id, equip_lv));
+    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 0f2b3d7..d6a3976 100755
--- a/server/gameserver/metamgr.h
+++ b/server/gameserver/metamgr.h
@@ -24,6 +24,7 @@ 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, int equip_lv);
     MetaData::Building* GetBuilding(int building_id);
     MetaData::Drop* GetDrop(int drop_id);
     MetaData::SafeArea* GetSafeArea(int area_id);
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index baabccf..1232b9a 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -343,13 +343,19 @@ void Player::Shot()
             Vector2D bullet_born_pos = pos + bullet_born_offset;
             Vector2D bullet_dir = attack_dir;
             float bullet_angle = std::get<2>(tuple);
-            if (curr_weapon->meta->i->bullet_angle() >= 1.0f) {
-                bullet_angle += (rand() % (int)curr_weapon->meta->i->bullet_angle()) * (rand() % 2 == 0 ? 1 : -1);
+            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->attr[EA_BulletAngle] * 1000;
+                }
+                if (angle > 0) {
+                    bullet_angle += (rand() % angle) / 1000.0f * (rand() % 2 == 0 ? 1 : -1);
+                }
             }
             bullet_dir.Rotate(bullet_angle / 180.0f);
             room->frame_event.AddBullet(this, bullet_born_pos, bullet_dir, fly_distance);
             if (room->BattleStarted() || room->gas_data.gas_mode == GasJump && !a8::HasBitFlag(status, HS_Jump)) {
-                room->CreateBullet(this, curr_weapon->meta, bullet_born_pos, bullet_dir, fly_distance);
+                room->CreateBullet(this, curr_weapon, bullet_born_pos, bullet_dir, fly_distance);
             }
         }
     } else {
@@ -498,8 +504,10 @@ void Player::LootInteraction(Loot* entity)
                 } else {
                     weapons[0].weapon_idx = 0;
                     weapons[0].weapon_id = entity->item_id;
-                    weapons[0].weapon_lv = entity->item_level;
+                    weapons[0].weapon_lv = std::max(1, GetWeaponConfigLv(weapons[0].weapon_id));
                     weapons[0].ammo = 0;
+                    weapons[0].meta = item_meta;
+                    weapons[0].Recalc();
                 }
                 need_sync_active_player = true;
                 SyncAroundPlayers();
@@ -527,9 +535,10 @@ void Player::LootInteraction(Loot* entity)
                     return;
                 }
                 weapon->weapon_id = entity->item_id;
-                weapon->weapon_lv = entity->item_level;
+                weapon->weapon_lv = std::max(1, GetWeaponConfigLv(weapon->weapon_id));
                 weapon->ammo = 0;
                 weapon->meta = item_meta;
+                weapon->Recalc();
                 AutoLoadingBullet();
                 need_sync_active_player = true;
                 SyncAroundPlayers();
@@ -578,6 +587,7 @@ void Player::LootInteraction(Loot* entity)
                     weapon->weapon_lv = 1;
                     weapon->ammo += entity->count;
                     weapon->meta = item_meta;
+                    weapon->Recalc();
                     DecInventory(item_meta->i->_inventory_slot(), add_num);
                 }
                 if (item_meta->i->_inventory_slot() > 12) {
diff --git a/server/gameserver/playermgr.cc b/server/gameserver/playermgr.cc
index 0b4439e..bad1bc5 100644
--- a/server/gameserver/playermgr.cc
+++ b/server/gameserver/playermgr.cc
@@ -36,6 +36,11 @@ Player* PlayerMgr::CreatePlayerByCMJoin(int socket, const cs::CMJoin& msg)
     //    hum->basemelee = msg.basemelee();
     //    hum->elo_score = msg.elo_score();
     //    hum->gmode = msg.gmode();
+    for (auto& weapon : msg.weapons()) {
+        if (weapon.weapon_id() != 0 && weapon.weapon_lv() > 0) {
+            hum->weapon_configs[weapon.weapon_id()] = weapon.weapon_lv();
+        }
+    }
     socket_hash_[socket] = hum;
     return hum;
 }
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 3f6c3c8..f7d7d7b 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -495,6 +495,22 @@ void Room::CreateLoot(int equip_id, Vector2D pos, int count, int equip_lv)
         entity->meta = equip_meta;
         entity->entity_uniid = AllocUniid();
         entity->pos = pos;
+        #if 1
+        {
+            if (entity->pos.x > MAP_WIDTH) {
+                entity->pos.x = MAP_WIDTH;
+            }
+            if (entity->pos.x <= 0.001f) {
+                entity->pos.x = 0.0f;
+            }
+            if (entity->pos.y > MAP_HEIGHT) {
+                entity->pos.y = MAP_HEIGHT;
+            }
+            if (entity->pos.y < 0.0001f) {
+                entity->pos.y = 0.0f;
+            }
+        }
+        #endif
         entity->item_id = equip_id;
         entity->count = count;
         entity->item_level = equip_lv;
@@ -505,14 +521,15 @@ void Room::CreateLoot(int equip_id, Vector2D pos, int count, int equip_lv)
     }
 }
 
-void Room::CreateBullet(Human* hum, MetaData::Equip* gun_meta,
+void Room::CreateBullet(Human* hum, Weapon* weapon,
                         Vector2D pos, Vector2D dir, float fly_distance)
 {
     Bullet* bullet = new Bullet();
     bullet->player = hum;
     bullet->room = this;
-    bullet->gun_meta = gun_meta;
-    bullet->meta = MetaMgr::Instance()->GetEquip(gun_meta->i->use_bullet());
+    bullet->gun_meta = weapon->meta;
+    bullet->gun_upgrade_meta = weapon->upgrade_meta;
+    bullet->meta = MetaMgr::Instance()->GetEquip(weapon->meta->i->use_bullet());
     bullet->pos = pos;
     bullet->dir = dir;
     bullet->born_pos = pos;
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index d3f5de9..11002d3 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -78,7 +78,7 @@ public:
 
     Hero* CreateHero(Human* hum);
     void CreateLoot(int equip_id, Vector2D pos, int count, int equip_lv);
-    void CreateBullet(Human* hum, MetaData::Equip* gun_meta,
+    void CreateBullet(Human* hum, Weapon* weapon,
                       Vector2D pos, Vector2D dir, float fly_distance);
 
     void OnHumanDie(Human* hum);
diff --git a/server/gameserver/types.cc b/server/gameserver/types.cc
index 1473792..23f07d3 100644
--- a/server/gameserver/types.cc
+++ b/server/gameserver/types.cc
@@ -2,9 +2,27 @@
 
 #include "cs_proto.pb.h"
 
+#include "metamgr.h"
+
 void Weapon::ToPB(cs::MFWeapon* pb_obj)
 {
     pb_obj->set_weapon_id(weapon_id);
     pb_obj->set_weapon_lv(weapon_lv);
     pb_obj->set_ammo(ammo);
 }
+
+void Weapon::Recalc()
+{
+    upgrade_meta = MetaMgr::Instance()->GetEquipUpgrade(weapon_id,
+                                                        weapon_lv);
+
+}
+
+int Weapon::GetClipVolume()
+{
+    if (upgrade_meta) {
+        return meta->i->clip_volume() + upgrade_meta->attr[EA_Volume];
+    } else {
+        return meta->i->clip_volume();
+    }
+}
diff --git a/server/gameserver/types.h b/server/gameserver/types.h
index 7090d6d..4224fb1 100755
--- a/server/gameserver/types.h
+++ b/server/gameserver/types.h
@@ -13,6 +13,7 @@ namespace MetaData
 {
     struct SafeArea;
     struct Equip;
+    struct EquipUpgrade;
 }
 
 struct GasData
@@ -38,8 +39,11 @@ 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();
 };
 
 struct PlayerStats
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index 7c15bb5..1015520 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -462,12 +462,12 @@ message MFBullet
     optional int32 bullet_id = 2; //子弹id
     optional MFVector2D pos = 3; //位置
     optional MFVector2D dir = 4; //方向
-    optional float variance_t = 5;
+    optional int32 gun_lv = 5; //枪等级
     optional int32 bulletskin = 6; //子弹皮肤
     optional bool crit = 7;
     optional int32 reflect_count = 8;
     optional int32 reflect_objid = 9;
-    optional int32 gun_id = 10; //抢id
+    optional int32 gun_id = 10; //枪id
     optional float fly_distance = 11; //只有手雷和烟雾弹时这个字段才有意义
 }
 
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index 3d2246d..b2d5e90 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -81,6 +81,15 @@ message Equip
     optional int32 _inventory_slot = 32; //库存槽位
 }
 
+message EquipUpgrade
+{
+    optional int32 id = 1;
+    optional int32 level = 2;
+    optional int32 next_level = 3;
+    optional string attr_type = 4;
+    optional string attr_value = 5;
+}
+
 message Player
 {
     optional int32 id = 1; //唯一id