diff --git a/server/gameserver/ability.cc b/server/gameserver/ability.cc
index f5c923b5..d879ea00 100644
--- a/server/gameserver/ability.cc
+++ b/server/gameserver/ability.cc
@@ -97,6 +97,28 @@ struct AttrRuduce
     }
 };
 
+struct AttrDirectPtr
+{
+    struct AttrDirect* data;
+    AttrDirectPtr(AttrDirect* data) { this->data = data; };
+};
+
+struct AttrDirect
+{
+    list_head entry;
+    int attr_id;
+    float value;
+    std::shared_ptr<AttrDirectPtr> ptr;
+
+    AttrDirect(int attr_id, float value)
+    {
+        this->attr_id = attr_id;
+        this->value = value;
+        INIT_LIST_HEAD(&entry);
+        ptr = std::make_shared<AttrDirectPtr>(this);
+    }
+};
+
 Ability::Ability(CreatureWeakPtr owner)
 {
     for (auto& tuple : attr_abs_) {
@@ -123,11 +145,14 @@ Ability::Ability(CreatureWeakPtr owner)
         std::get<0>(tuple) = 0.0f;
         INIT_LIST_HEAD(&std::get<1>(tuple));
     }
+    for (auto& tuple : attr_direct_) {
+        std::get<0>(tuple) = 0.0f;
+        INIT_LIST_HEAD(&std::get<1>(tuple));
+    }
 }
 
 void Ability::Clear()
 {
-
     for (auto& tuple : attr_abs_) {
         std::get<0>(tuple) = 0.0f;
         while (!list_empty(&std::get<1>(tuple))) {
@@ -196,6 +221,17 @@ void Ability::Clear()
             delete e;
         }
     }
+    for (auto& tuple : attr_direct_) {
+        std::get<0>(tuple) = 0.0f;
+        while (!list_empty(&std::get<1>(tuple))) {
+            AttrDirect* e = list_first_entry(&std::get<1>(tuple),
+                                             AttrDirect,
+                                             entry);
+            e->ptr->data = nullptr;
+            list_del_init(&e->entry);
+            delete e;
+        }
+    }
 
     switch_times_ = {};
     immune_tags_.clear();
@@ -906,3 +942,48 @@ int Ability::GetSwitchTimes(int type)
     }
     return 0;
 }
+
+AttrDirectHandle Ability::AddAttrDirect(int attr_id, float value)
+{
+    if (IsValidHumanAttr(attr_id)) {
+        auto p = new AttrDirect(attr_id, value);
+        list_add_tail(&p->entry, &std::get<1>(attr_direct_[attr_id]));
+        RecalcAttrDirect(attr_id);
+        return p->ptr;
+    }
+    return AttrDirectHandle();
+}
+
+void Ability::RemoveAttrDirect(AttrDirectHandle handle)
+{
+    if (!handle.expired()) {
+        auto p = handle.lock();
+        list_del_init(&p->data->entry);
+        RecalcAttrDirect(p->data->attr_id);
+        delete p->data;
+    }
+}
+
+float Ability::GetAttrDirect(int attr_id)
+{
+    if (IsValidHumanAttr(attr_id)) {
+        return std::get<0>(attr_direct_[attr_id]);
+    } else {
+        return 0.0f;
+    }
+}
+
+void Ability::RecalcAttrDirect(int attr_id)
+{
+    list_head* head = &std::get<1>(attr_direct_[attr_id]);
+    list_head* pos = nullptr;
+    list_head* next = nullptr;
+    float new_val = 0.0f;
+    list_for_each_safe(pos, next, head) {
+        AttrDirect* e = list_entry(pos,
+                                   AttrDirect,
+                                   entry);
+        new_val = std::max(e->value, new_val);
+    }
+    std::get<0>(attr_direct_[attr_id]) = new_val;
+}
diff --git a/server/gameserver/ability.h b/server/gameserver/ability.h
index 6b598899..fcaf21a0 100644
--- a/server/gameserver/ability.h
+++ b/server/gameserver/ability.h
@@ -2,11 +2,6 @@
 #include "attrdefine.h"
 #include "weakptr.h"
 
-typedef std::weak_ptr<struct AttrAdditionPtr> AttrAdditionHandle;
-typedef std::weak_ptr<struct AttrRuducePtr> AttrRuduceHandle;
-typedef std::weak_ptr<struct AttrAbsPtr> AttrAbsHandle;
-typedef std::weak_ptr<struct AttrRatePtr> AttrRateHandle;
-
 class Ability
 {
  public:
@@ -34,6 +29,10 @@ class Ability
     float GetAttrAddition(int attr_id);
     float GetAttrRuduce(int attr_id);
 
+    AttrDirectHandle AddAttrDirect(int attr_id, float value);
+    void RemoveAttrDirect(AttrDirectHandle handle);
+    float GetAttrDirect(int attr_id);
+
     void GMDelBaseAttr(int type, int attr_id,  int idx);
     void GMClearBaseAttr(int type);
     void GMDelGrowAttr(int type, int attr_id,  int idx);
@@ -45,6 +44,7 @@ private:
     void RecalcAttrRate(int attr_id);
     void RecalcAttrAddition(int attr_id);
     void RecalcAttrRuduce(int attr_id);
+    void RecalcAttrDirect(int attr_id);
  private:
     CreatureWeakPtr owner_;
     std::array<std::tuple<float, list_head>, kHAT_End> attr_abs_ = {};
@@ -53,6 +53,7 @@ private:
     std::array<std::tuple<float, list_head>, kHAT_End> attr_dec_ = {};
     std::array<std::tuple<float, list_head>, kHVAT_End - kHVAT_Begin> vattr_add_ = {};
     std::array<std::tuple<float, list_head>, kHVAT_End - kHVAT_Begin> vattr_dec_ = {};
+    std::array<std::tuple<float, list_head>, kHAT_End> attr_direct_ = {};
     std::array<int, kSwitchTimeEnd> switch_times_ = {};
     std::map<int, int> immune_tags_;
 
diff --git a/server/gameserver/airraid.cc b/server/gameserver/airraid.cc
index 9c7e2ba3..bd24e7cd 100644
--- a/server/gameserver/airraid.cc
+++ b/server/gameserver/airraid.cc
@@ -84,8 +84,8 @@ bool AirRaid::GenAirRaidPos(const mt::AirRaid* raid_meta, glm::vec3& center)
                 }
             }
         }
-        #ifdef DEBUG1
-        if (humans.size() > 0) {
+        #ifdef DEBUG
+        if (humans.size() > 0 && room_->debug_params.find(121) != room_->debug_params.end()) {
             center = humans[0]->GetPos().ToGlmVec3();
         }
         #endif
diff --git a/server/gameserver/buff/bufffactory.cc b/server/gameserver/buff/bufffactory.cc
index 8cd14638..9558fd59 100644
--- a/server/gameserver/buff/bufffactory.cc
+++ b/server/gameserver/buff/bufffactory.cc
@@ -43,6 +43,7 @@
 #include "buff/modify_attr.h"
 #include "buff/modify_base_attr.h"
 #include "buff/modify_grow_attr.h"
+#include "buff/direct_set_attr.h"
 #include "buff/vertigo.h"
 #include "buff/cond_add.h"
 #include "buff/distance_dmg_addition.h"
@@ -56,6 +57,8 @@ std::shared_ptr<Buff> BuffFactory::MakeBuff(const mt::Buff* buff_meta)
         return std::make_shared<ModifyBaseAttrBuff>();
     case kBET_ModifyGrowAttr:
         return std::make_shared<ModifyGrowAttrBuff>();
+    case kBET_DirectSetAttr:
+        return std::make_shared<DirectSetAttrBuff>();
     case kBET_SummonLoot:
         return std::make_shared<SummonLootBuff>();
     case kBET_DistanceDmgAddition:
diff --git a/server/gameserver/buff/callfunc.cc b/server/gameserver/buff/callfunc.cc
index 2ef8c97b..1520c47d 100644
--- a/server/gameserver/buff/callfunc.cc
+++ b/server/gameserver/buff/callfunc.cc
@@ -152,6 +152,12 @@ void CallFuncBuff::Activate()
             DecSkillCd();
         }
         break;
+    case BuffCallFunc_e::kRefreshHp:
+        {
+            owner->SetHP(owner->GetMaxHP());
+            owner->room->frame_event.AddHpChg(owner->GetWeakPtrRef());
+        }
+        break;
     default:
         {
         }
diff --git a/server/gameserver/buff/callfunc.h b/server/gameserver/buff/callfunc.h
index b28b7b49..c070c926 100644
--- a/server/gameserver/buff/callfunc.h
+++ b/server/gameserver/buff/callfunc.h
@@ -24,7 +24,8 @@ A8_DECLARE_CLASS_ENUM(BuffCallFunc_e, int,
                       kSummonObstacleSepcPoint = 24,
                       kSummonObstacleSpecDistance = 25,
                       kClearSummonObstacle = 26,
-                      kDecSkillCd = 27
+                      kDecSkillCd = 27,
+                      kRefreshHp = 28
                       );
 
 
diff --git a/server/gameserver/buff/direct_set_attr.cc b/server/gameserver/buff/direct_set_attr.cc
new file mode 100644
index 00000000..80075279
--- /dev/null
+++ b/server/gameserver/buff/direct_set_attr.cc
@@ -0,0 +1,26 @@
+#include "precompile.h"
+
+#include "buff/direct_set_attr.h"
+
+#include "creature.h"
+#include "human.h"
+#include "car.h"
+#include "ability.h"
+
+#include "mt/Buff.h"
+
+void DirectSetAttrBuff::Activate()
+{
+    int attr_id = meta->_int_buff_param1;
+    float value = meta->GetBuffParam2(this);
+    if (IsValidHumanAttr(attr_id)) {
+        handle_ = owner->GetAbility()->AddAttrDirect(attr_id, value);
+    }
+}
+
+void DirectSetAttrBuff::Deactivate()
+{
+    if (!handle_.expired()) {
+        owner->GetAbility()->RemoveAttrDirect(handle_);
+    }
+}
diff --git a/server/gameserver/buff/direct_set_attr.h b/server/gameserver/buff/direct_set_attr.h
new file mode 100644
index 00000000..6cc514c8
--- /dev/null
+++ b/server/gameserver/buff/direct_set_attr.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "buff.h"
+
+class DirectSetAttrBuff : public Buff
+{
+ public:
+
+    virtual void Activate() override;
+    virtual void Deactivate() override;
+
+ private:
+    AttrDirectHandle handle_;
+};
diff --git a/server/gameserver/commands.cc b/server/gameserver/commands.cc
index 5ca211e0..9ad0b813 100644
--- a/server/gameserver/commands.cc
+++ b/server/gameserver/commands.cc
@@ -7,6 +7,7 @@
 #include "app.h"
 #include "ability.h"
 #include "movement.h"
+#include "android.h"
 
 #include "cs_proto.pb.h"
 
@@ -14,6 +15,7 @@
 #include "mt/Text.h"
 #include "mt/Param.h"
 #include "mt/Buff.h"
+#include "mt/Robot.h"
 
 void Player::_CMExecCommand(f8::MsgHdr& hdr, const cs::CMExecCommand& msg)
 {
@@ -114,6 +116,26 @@ void Player::_CMExecCommand(f8::MsgHdr& hdr, const cs::CMExecCommand& msg)
             hum->GetMutablePos().FromGlmVec3(GetPos().ToGlmVec3());
             room->grid_service->MoveCreature(hum);
         }
+    } else if (cmd == "randomobj" && cmds.size() >= 2) {
+        int weapon_id = a8::XValue(cmds[1]);
+        Human* target = nullptr;
+        room->TraverseHumanList
+            (
+             [this, weapon_id, &target] (Human* hum) mutable
+             {
+                 if (hum->IsAndroid() && !hum->dead && hum->team_id != team_id) {
+                     if (hum->AsAndroid()->robot_meta->weapon_id() == weapon_id) {
+                         target = hum;
+                         return false;
+                     }
+                 }
+                 return true;
+             });
+        if (target) {
+            target->GetMovement()->ClearPath();
+            target->GetMutablePos().FromGlmVec3(GetPos().ToGlmVec3());
+            room->grid_service->MoveCreature(target);
+        }
     } else if (cmd == "getattr" && cmds.size() >= 2) {
         int attr_id = a8::XValue(cmds[1]);
         float abs_val = GetAbility()->GetAttrAbs(attr_id);
@@ -133,6 +155,10 @@ void Player::_CMExecCommand(f8::MsgHdr& hdr, const cs::CMExecCommand& msg)
         #if DEBUG
         room->debug_params[119] = 1;
         #endif
+    } else if (cmd == "airraid") {
+        #if DEBUG
+        room->debug_params[121] = 1;
+        #endif
     } else if (cmd == "autodie") {
         #if DEBUG
         if (cmds.size() >= 2) {
diff --git a/server/gameserver/constant_export.h b/server/gameserver/constant_export.h
index a9f27dbf..464cc26d 100644
--- a/server/gameserver/constant_export.h
+++ b/server/gameserver/constant_export.h
@@ -52,7 +52,7 @@ A8_DECLARE_ENUM(BuffEffectType_e,
     kBET_DelayAddBuff = 18, //延迟加buff
     kBET_ModifyBaseAttr = 19,
     kBET_ModifyGrowAttr = 20,
-    kBET_UnUse21 = 21,
+    kBET_DirectSetAttr = 21,
     kBET_UnUse22 = 22,
     kBET_HunLuan = 23, //混乱,在烟雾弹中不自动瞄准
     kBET_Fly = 24, //飞行中
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 8b7af869..cc3d756d 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -1808,12 +1808,7 @@ float Creature::GetHP()
 
 float Creature::GetMaxHP()
 {
-#if 1
     return ability.max_hp;
-#else
-    return ability.max_hp * (1 + GetAbility()->GetAttrRate(kHAT_MaxHp)) +
-        GetAbility()->GetAttrAbs(kHAT_MaxHp);
-#endif
 }
 
 float Creature::GetHPRate()
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 58c417d4..5e4a1398 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1242,6 +1242,9 @@ void Human::DeadDrop()
             }
         }
     }
+    {
+        on_dead_remove_objects_.clear();
+    }
     {
         if (GetInventory(IS_GEMSTONE) > 0 && gemstone > 0) {
             room->frame_event.AddPropChg
@@ -1264,9 +1267,6 @@ void Human::DeadDrop()
             SyncVolume(IS_GEMSTONE);
         }
     }
-    {
-        on_dead_remove_objects_.clear();
-    }
     MarkSyncActivePlayer(__FILE__, __LINE__, __func__);
 }
 
diff --git a/server/gameserver/mtb/SkillNumber.h b/server/gameserver/mtb/SkillNumber.h
index 146a9491..00eac47b 100644
--- a/server/gameserver/mtb/SkillNumber.h
+++ b/server/gameserver/mtb/SkillNumber.h
@@ -12,7 +12,7 @@ namespace mtb
     a8::reflect::Class* GetClass() const;
     int skill_id() const { return skill_id_; };
     int skill_type() const { return skill_type_; };
-    int number() const { return number_; };
+    float number() const { return number_; };
     float damage() const { return damage_; };
     float damage_addition() const { return damage_addition_; };
     float damage_change() const { return damage_change_; };
@@ -58,7 +58,7 @@ namespace mtb
 
     int skill_id_ = 0;
     int skill_type_ = 0;
-    int number_ = 0;
+    float number_ = 0.0f;
     float damage_ = 0.0f;
     float damage_addition_ = 0.0f;
     float damage_change_ = 0.0f;
diff --git a/server/gameserver/mtb/mtb.all.cc b/server/gameserver/mtb/mtb.all.cc
index 35625213..f680923e 100644
--- a/server/gameserver/mtb/mtb.all.cc
+++ b/server/gameserver/mtb/mtb.all.cc
@@ -407,7 +407,7 @@ namespace mtb
         meta_class = new a8::reflect::Class("SkillNumber", 21, 0);
         meta_class->SetSimpleField(0, "skill_id", a8::reflect::ET_INT32, my_offsetof2(SkillNumber, skill_id_));
         meta_class->SetSimpleField(1, "skill_type", a8::reflect::ET_INT32, my_offsetof2(SkillNumber, skill_type_));
-        meta_class->SetSimpleField(2, "number", a8::reflect::ET_INT32, my_offsetof2(SkillNumber, number_));
+        meta_class->SetSimpleField(2, "number", a8::reflect::ET_FLOAT, my_offsetof2(SkillNumber, number_));
         meta_class->SetSimpleField(3, "damage", a8::reflect::ET_FLOAT, my_offsetof2(SkillNumber, damage_));
         meta_class->SetSimpleField(4, "damage_addition", a8::reflect::ET_FLOAT, my_offsetof2(SkillNumber, damage_addition_));
         meta_class->SetSimpleField(5, "damage_change", a8::reflect::ET_FLOAT, my_offsetof2(SkillNumber, damage_change_));
diff --git a/server/gameserver/netdata.cc b/server/gameserver/netdata.cc
index b1198b1a..e8c592be 100644
--- a/server/gameserver/netdata.cc
+++ b/server/gameserver/netdata.cc
@@ -746,18 +746,23 @@ float BattleDataContext::CalcDmg(Explosion* e)
 
 float BattleDataContext::GetTotalAtk(IBullet* bullet)
 {
-    float total_atk = (GetHeroTotalAtk() / 100) * GetWeaponAtk(bullet);
-    return total_atk;
-}
-
-float BattleDataContext::GetHP()
-{
-    return hero_ability_->GetHP();
+    float direct_atk = owner_.Get()->GetAbility()->GetAttrDirect(kHAT_Atk);
+    if (direct_atk > 0.001f) {
+        return direct_atk;
+    } else {
+        float total_atk = (GetHeroTotalAtk() / 100) * GetWeaponAtk(bullet);
+        return total_atk;
+    }
 }
 
 float BattleDataContext::GetMaxHP()
 {
-    return hero_ability_->GetHP();
+    float hp = hero_ability_->GetHP();
+    hp += owner_.Get()->GetAbility()->GetAttrAbs(kHAT_Hp);
+    hp *= 1.0f + owner_.Get()->GetAbility()->GetAttrRate(kHAT_Hp);
+    hp *= 1.0f + owner_.Get()->GetAbility()->GetAttrAddition(kHAT_Hp) -
+        owner_.Get()->GetAbility()->GetAttrRuduce(kHAT_Hp);
+    return hp;
 }
 
 float BattleDataContext::GetDef()
diff --git a/server/gameserver/trigger.cc b/server/gameserver/trigger.cc
index 742c23f3..6873ffde 100644
--- a/server/gameserver/trigger.cc
+++ b/server/gameserver/trigger.cc
@@ -228,7 +228,9 @@ void Trigger::HpChg()
                  break;
              }
              #if 1
-             TryAddBuffs(buff, buff->meta->_int_buff_param1, buff->meta->_buff_param4_int_list);
+             if (match) {
+                 TryAddBuffs(buff, buff->meta->_int_buff_param1, buff->meta->_buff_param4_int_list);
+             }
              #else
              if (match) {
                  TryAddBuffs(buff, buff->meta->_int_buff_param1, buff->meta->_buff_param4_int_list);
diff --git a/server/gameserver/types.h b/server/gameserver/types.h
index 2218bab0..a935d4f2 100644
--- a/server/gameserver/types.h
+++ b/server/gameserver/types.h
@@ -93,3 +93,9 @@ class IBullet
     virtual float GetHitRadius() = 0;
     virtual void ProcRequestBulletDmg(int shield_hit, int strength_wall_uniid, int target_uniid, const glm::vec3& pos) = 0;
 };
+
+typedef std::weak_ptr<struct AttrAdditionPtr> AttrAdditionHandle;
+typedef std::weak_ptr<struct AttrRuducePtr> AttrRuduceHandle;
+typedef std::weak_ptr<struct AttrAbsPtr> AttrAbsHandle;
+typedef std::weak_ptr<struct AttrRatePtr> AttrRateHandle;
+typedef std::weak_ptr<struct AttrDirectPtr> AttrDirectHandle;
diff --git a/server/tools/protobuild/mt.proto b/server/tools/protobuild/mt.proto
index 2017df52..b03d0984 100755
--- a/server/tools/protobuild/mt.proto
+++ b/server/tools/protobuild/mt.proto
@@ -322,7 +322,7 @@ message SkillNumber
 {
     required int32 skill_id = 1;
     optional int32 skill_type = 2;
-    optional int32 number = 3;
+    optional float number = 3;
     optional float damage = 4;
     optional float damage_addition = 5;
     optional float damage_change = 6;