diff --git a/server/gameserver/android.cc b/server/gameserver/android.cc
index b2fe20fb..021cbfa6 100644
--- a/server/gameserver/android.cc
+++ b/server/gameserver/android.cc
@@ -46,6 +46,8 @@ void Android::Initialize()
              );
         GetBattleContext()->Init(this);
     }
+    SetHP(GetBattleContext()->GetMaxHP());
+    SetMaxHP(GetHP());
 }
 
 void Android::Update(int delta_time)
diff --git a/server/gameserver/battledatacontext.cc b/server/gameserver/battledatacontext.cc
index 8cd5f810..7c9e0572 100644
--- a/server/gameserver/battledatacontext.cc
+++ b/server/gameserver/battledatacontext.cc
@@ -17,6 +17,11 @@ public:
     long long hero_uniid_ = 0;
     MetaData::Player* hero_meta = nullptr;
 
+    float GetHP()
+    {
+        return hero_meta->i->hp();
+    }
+
     float GetAtk()
     {
         return hero_meta->i->damage();
@@ -255,7 +260,8 @@ float BattleDataContext::CalcDmg(Obstacle* target, Bullet* bullet)
 
 float BattleDataContext::CalcDmg(Explosion* e)
 {
-
+    float finaly_dmg = (1 - GetDef() / 1000) / 2 * 100;
+    return finaly_dmg;
 }
 
 float BattleDataContext::GetTotalAtk(Bullet* bullet)
@@ -264,6 +270,16 @@ float BattleDataContext::GetTotalAtk(Bullet* bullet)
     return total_atk;
 }
 
+float BattleDataContext::GetHP()
+{
+    return hero_ability_->GetHP();
+}
+
+float BattleDataContext::GetMaxHP()
+{
+    return hero_ability_->GetHP();
+}
+
 float BattleDataContext::GetDef()
 {
     return def_;
diff --git a/server/gameserver/battledatacontext.h b/server/gameserver/battledatacontext.h
index 2ed23352..d62810d1 100644
--- a/server/gameserver/battledatacontext.h
+++ b/server/gameserver/battledatacontext.h
@@ -53,6 +53,8 @@ struct BattleDataContext
     float CalcDmg(Obstacle* target, Bullet* bullet);
     float CalcDmg(Explosion* e);
 
+    float GetHP();
+    float GetMaxHP();
     float GetDef();
 
     void ForceInit(long long hero_uniid,
diff --git a/server/gameserver/car.cc b/server/gameserver/car.cc
index 44df9b64..9cc9f108 100644
--- a/server/gameserver/car.cc
+++ b/server/gameserver/car.cc
@@ -48,9 +48,6 @@ void Car::Initialize()
         SetCurrWeapon(&weapon);
     }
     born_frameno_ = room->GetFrameNo();
-    SetDef(hero_meta_->i->def());
-    SetHP(hero_meta_->i->health());
-    SetMaxHP(std::max(GetHP(), GetMaxHP()));
     TryAddBuff(this, meta->car_deactive_buff_id);
     cur_oil_ = meta->i->max_oil();
     {
@@ -67,6 +64,8 @@ void Car::Initialize()
              );
         GetBattleContext()->Init(this);
     }
+    SetHP(GetBattleContext()->GetMaxHP());
+    SetMaxHP(std::max(GetHP(), GetMaxHP()));
 }
 
 void Car::FillMFObjectPart(Room* room, Human* hum, cs::MFObjectPart* part_data)
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index c106fab8..197df533 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -2447,16 +2447,6 @@ float Creature::GetMaxHP()
         GetAbility()->GetAttrAbs(kHAT_MaxHp);
 }
 
-float Creature::GetDef()
-{
-    return ability.def;
-}
-
-void Creature::SetDef(float def)
-{
-    ability.def = def;
-}
-
 void Creature::GetHitEnemys(std::set<Creature*>& enemys, float radius)
 {
     float min_distance = 9999999999;
diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index 0f0547de..090325d9 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -47,9 +47,6 @@ struct HumanAbility
 {
     float hp = 0.0f;
     float max_hp = 0.0f;
-    float hp_recover = 0.0f;
-    float atk = 0.0f;
-    float def = 0.0f;
     float speed = 0.0f;
 
     float shot_range = 0.0f;
@@ -234,8 +231,6 @@ class Creature : public MoveableEntity
     void ClearAimingBuffs();
     float GetHP();
     float GetMaxHP();
-    float GetDef();
-    void SetDef(float def);
     void GetHitEnemys(std::set<Creature*>& enemys, float radius);
     bool TryMove(const a8::Vec2& target_pos, a8::Vec2& out_pos);
     void SetInfiniteBulletMode();
diff --git a/server/gameserver/hero.cc b/server/gameserver/hero.cc
index b593ba0f..a71627ea 100644
--- a/server/gameserver/hero.cc
+++ b/server/gameserver/hero.cc
@@ -34,8 +34,6 @@ void Hero::Initialize()
 {
     Creature::Initialize();
     RecalcSelfCollider();
-    SetHP(meta->i->health());
-    SetMaxHP(GetHP());
     MetaData::Equip* weapon_meta = MetaMgr::Instance()->GetEquip(meta->i->default_weapon());
     if (weapon_meta) {
         Weapon& weapon = weapons[GUN_SLOT1];
@@ -63,6 +61,8 @@ void Hero::Initialize()
              );
         GetBattleContext()->Init(this);
     }
+    SetHP(GetBattleContext()->GetMaxHP());
+    SetMaxHP(GetHP());
 }
 
 void Hero::FillMFObjectPart(Room* room, Human* hum, cs::MFObjectPart* part_data)
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index bcd60e3f..525cdcae 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -342,7 +342,7 @@ void Human::Initialize()
     RecalcSelfCollider();
     volume_ = meta->volume;
     observers_.insert(this);
-    SetHP(meta->i->health());
+    #if 0
     for (auto& weapon : spec_weapons) {
         if (weapon.meta) {
             float hp = GetHP();
@@ -350,7 +350,7 @@ void Human::Initialize()
             SetHP(hp);
         }
     }
-    SetMaxHP(GetHP());
+    #endif
     SetCurrWeapon(&weapons[0]);
     SetOxygen(MetaMgr::Instance()->dive_oxygen_total);
 }
@@ -1654,6 +1654,8 @@ void Human::RecalcVolume()
 
 void Human::RecalcBaseAttr()
 {
+    #if 0
+    xxxxxxxx
     MetaData::Equip* chest_meta = MetaMgr::Instance()->GetEquip(chest);
     float def = meta->i->def();
     if (chest_meta) {
@@ -1664,8 +1666,6 @@ void Human::RecalcBaseAttr()
         def += helmet_meta->i->def();
     }
     SetDef(def);
-    #if 0
-    SetMaxHP(std::max(GetHP(), GetMaxHP()));
     #endif
 }
 
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 75456331..78923f73 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -4090,6 +4090,8 @@ void Room::AddTeam(class MatchTeam* team)
             hum->ProcPrepareItems(msg.prepare_items());
             hum->ProcPrepareItems2(msg.prepare_items2());
             hum->ProcSkillList(msg.skill_list());
+            hum->SetHP(hum->GetBattleContext()->GetMaxHP());
+            hum->SetMaxHP(hum->GetHP());
             PlayerMgr::Instance()->IncAccountNum(msg.account_id());
             new_team->AddMember(hum);
         }
diff --git a/server/gameserver/roommgr.cc b/server/gameserver/roommgr.cc
index 722f35bb..d3286b52 100644
--- a/server/gameserver/roommgr.cc
+++ b/server/gameserver/roommgr.cc
@@ -206,6 +206,8 @@ void RoomMgr::_CMJoin(f8::MsgHdr& hdr, const cs::CMJoin& msg)
             hum->ProcPrepareItems(msg.prepare_items());
             hum->ProcPrepareItems2(msg.prepare_items2());
             hum->ProcSkillList(msg.skill_list());
+            hum->SetHP(hum->GetBattleContext()->GetMaxHP());
+            hum->SetMaxHP(hum->GetHP());
             PlayerMgr::Instance()->IncAccountNum(msg.account_id());
             if (JsonDataMgr::Instance()->channel != 0 &&
                 JsonDataMgr::Instance()->channel != channel) {
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index feebda6c..c76a48e4 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -206,7 +206,6 @@ message Player
     optional float move_offset_x = 40;
     optional float move_offset_y = 41;
     optional float radius = 2; //半径
-    optional int32 health = 3; //初始血量
     optional int32 move_speed = 4; //移动速度
     optional int32 jump_speed = 5; //跳伞速度
     optional int32 move_speed3 = 6;
@@ -215,7 +214,6 @@ message Player
     optional int32 move_speed4 = 10; //移动速度4
     optional int32 reload_speed = 9;
     optional int32 useitem_speed = 49;
-    optional float def = 11; //防御
     optional string volume = 12; //初始库存
     optional int32 level = 13;
     optional int32 race = 14;