diff --git a/server/gameserver/android.ai.cc b/server/gameserver/android.ai.cc
index 1a64c03..fda48a3 100644
--- a/server/gameserver/android.ai.cc
+++ b/server/gameserver/android.ai.cc
@@ -174,7 +174,7 @@ void AndroidAI::DoMove()
             }
             HumMaster()->room->grid_service.MoveHuman(HumMaster());
         }
-        HumMaster()->CheckGrass();
+        HumMaster()->CheckSpecObject();
     }
 }
 
diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index bb4bc78..e7f8693 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -158,6 +158,7 @@ enum BuffEffectType_e
     kBET_ReleaseDcgr = 8, //释放电磁干扰
     kBET_ReleaseFireBomb = 9, //喷火
     kBET_Assault = 10, //向心突击
+    kBET_OnceChgAttr = 11, //一次性buff
     kBET_End
 };
 
@@ -187,6 +188,7 @@ enum HumanAttrType_e
 enum EquipType_e
 {
     kEquipType_Bullet = 1,
+    kEquipType_Buff = 3,
 };
 
 enum BulletType_e
@@ -200,6 +202,7 @@ enum BulletType_e
 enum ColliderTag_e
 {
     kColliderTag_Grass = 1, //草丛
+    kColliderTag_Loot = 2, //掉落物
 };
 
 const char* const kPROJ_NAME_FMT = "game%d_gameserver";
diff --git a/server/gameserver/entity.h b/server/gameserver/entity.h
index c804839..907b31f 100644
--- a/server/gameserver/entity.h
+++ b/server/gameserver/entity.h
@@ -48,8 +48,9 @@ class Entity
     void NotifyDelObject();
     void RemoveFromMapService();
 
+protected:
+    void ClearColliders();
+
 private:
     std::list<ColliderComponent*> colliders;
-
-    void ClearColliders();
 };
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 02cc42a..dbd0c83 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -1162,6 +1162,19 @@ void Human::AddBuff(MetaData::Buff* buff_meta)
             RemoveBuffById(buff->meta->i->buff_id());
         }
     }
+    if (buff_meta->i->buff_effect() == kBET_OnceChgAttr) {
+        if ((int)buff_meta->param1== kHAT_Hp) {
+            if ((int)buff_meta->param2 == 1) {
+                //绝对值
+                ability.hp += buff_meta->param2;
+                ability.hp = std::min(ability.max_hp, ability.hp);
+            } else if ((int)buff_meta->param2 == 2) {
+                //百分比
+                ability.hp *= 1 + buff_meta->param2;
+                ability.hp = std::min(ability.max_hp, ability.hp);
+            }
+        }
+    }
     Buff* buff = &a8::FastAppend(buff_list_);
     buff->owner = this;
     buff->meta = buff_meta;
@@ -1306,6 +1319,11 @@ void Human::ProcBuffEffect(Buff* buff)
             }
         }
         break;
+    case kBET_OnceChgAttr:
+        {
+
+        }
+        break;
     default:
         break;
     }
@@ -1379,20 +1397,48 @@ void Human::OnLeaveGrass()
                                                &xtimer_attacher.timer_list_);
 }
 
-void Human::CheckGrass()
+void Human::CheckSpecObject()
 {
     bool in_grass = false;
+    long long spec_flags = 0;
+    a8::SetBitFlag(spec_flags, kColliderTag_Grass);
+    a8::SetBitFlag(spec_flags, kColliderTag_Loot);
     std::set<ColliderComponent*> colliders;
-    room->map_service.GetGrassColliders(pos.x, pos.y, colliders);
+    room->map_service.GetSpecColliders(0, pos.x, pos.y, colliders);
 
     for (const ColliderComponent* collider : colliders) {
         switch (collider->owner->entity_type) {
+        case kET_Loot:
+            {
+                if (TestCollision((ColliderComponent*)collider)) {
+                    Loot* loot_entity = (Loot*)collider->owner;
+                    if (!loot_entity->pickuped &&
+                        loot_entity->count > 0) {
+                        MetaData::Equip* item_meta = MetaMgr::Instance()->GetEquip(loot_entity->item_id);
+                        if (item_meta) {
+                            switch (item_meta->i->equip_type()) {
+                            case kEquipType_Buff:
+                                {
+                                    MetaData::Buff* buff_meta = MetaMgr::Instance()->GetBuff(item_meta->i->buff_id());
+                                    if (buff_meta) {
+                                        AddBuff(buff_meta);
+                                    }
+                                }
+                                break;
+                            default:
+                                break;
+                            }
+                            loot_entity->pickuped = true;
+                            room->RemoveObjectLater(loot_entity);
+                        }
+                    }
+                }
+            }
+            break;
         case kET_Obstacle:
-        case kET_Building:
             {
                 if (TestCollision((ColliderComponent*)collider)) {
                     in_grass = true;
-                    break;
                 }
             }
             break;
@@ -1523,7 +1569,7 @@ void Human::_UpdateMove(int speed)
         }
         room->grid_service.MoveHuman(this);
     }
-    CheckGrass();
+    CheckSpecObject();
 }
 
 void Human::_UpdateAssaultMove()
@@ -1548,7 +1594,7 @@ void Human::_UpdateAssaultMove()
             }
         }
     }
-    CheckGrass();
+    CheckSpecObject();
     if (move_end) {
         if (!skill_meta_->phases.empty()) {
             MetaData::SkillPhase* phase = &skill_meta_->phases[0];
@@ -1592,7 +1638,7 @@ void Human::PullHuman(const a8::Vec2& pull_dir, float distance)
         }
         room->grid_service.MoveHuman(this);
     }
-    CheckGrass();
+    CheckSpecObject();
 }
 
 void Human::ClearFrameData()
@@ -1682,7 +1728,7 @@ void Human::Revive()
     room->frame_event.AddRevive(this);
     room->OnHumanRevive(this);
 
-    CheckGrass();
+    CheckSpecObject();
     use_skill = false;
     curr_skill_phase = 0;
     skill_dir = a8::Vec2();
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index ffd1a61..52ba406 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -195,7 +195,7 @@ class Human : public Entity
     void OnHit();
     void OnEnterGrass();
     void OnLeaveGrass();
-    void CheckGrass();
+    void CheckSpecObject();
     void GrassTempShow();
     float* GetAbilityById(int attr_id);
     void RecalcBaseAttr();
diff --git a/server/gameserver/loot.cc b/server/gameserver/loot.cc
index 83374e8..482f434 100644
--- a/server/gameserver/loot.cc
+++ b/server/gameserver/loot.cc
@@ -27,6 +27,15 @@ void Loot::Initialize()
 
 void Loot::RecalcSelfCollider()
 {
+    if (!self_collider_) {
+        self_collider_ = new CircleCollider();
+        self_collider_->owner = this;
+        AddCollider(self_collider_);
+    }
+    self_collider_->pos = a8::Vec2();
+    self_collider_->rad = 64.0f / 2.0;
+    ClearColliders();
+    room->map_service.AddCollider(self_collider_);
 }
 
 void Loot::FillMFObjectPart(cs::MFObjectPart* part_data)
diff --git a/server/gameserver/loot.h b/server/gameserver/loot.h
index be8525b..cada692 100644
--- a/server/gameserver/loot.h
+++ b/server/gameserver/loot.h
@@ -26,4 +26,7 @@ class Loot : public Entity
     void RecalcSelfCollider();
     virtual void FillMFObjectPart(cs::MFObjectPart* part_data) override;
     virtual void FillMFObjectFull(cs::MFObjectFull* full_data) override;
+
+private:
+    CircleCollider* self_collider_ = nullptr;
 };
diff --git a/server/gameserver/mapservice.cc b/server/gameserver/mapservice.cc
index aeabac5..cb434c6 100644
--- a/server/gameserver/mapservice.cc
+++ b/server/gameserver/mapservice.cc
@@ -176,7 +176,7 @@ void MapService::GetColliders(float world_x, float world_y, std::set<ColliderCom
             }
             struct CellNode *node, *tmp;
             list_for_each_entry_safe(node, tmp, head, entry) {
-                if (node->collider->tag != kColliderTag_Grass) {
+                if (node->collider->tag == 0) {
                     colliders.insert(node->collider);
                 }
             }
@@ -184,7 +184,8 @@ void MapService::GetColliders(float world_x, float world_y, std::set<ColliderCom
     }
 }
 
-void MapService::GetGrassColliders(float world_x, float world_y, std::set<ColliderComponent*>& colliders)
+void MapService::GetSpecColliders(long long flags, float world_x, float world_y,
+                                  std::set<ColliderComponent*>& colliders)
 {
     int center_grid_id = GetGridId(world_x, world_y);
     if (center_grid_id < 0 || center_grid_id >= max_grid_id_) {
@@ -199,7 +200,7 @@ void MapService::GetGrassColliders(float world_x, float world_y, std::set<Collid
             }
             struct CellNode *node, *tmp;
             list_for_each_entry_safe(node, tmp, head, entry) {
-                if (node->collider->tag == kColliderTag_Grass) {
+                if (a8::HasBitFlag(flags, node->collider->tag)) {
                     colliders.insert(node->collider);
                 }
             }
diff --git a/server/gameserver/mapservice.h b/server/gameserver/mapservice.h
index 683338e..8b50a18 100644
--- a/server/gameserver/mapservice.h
+++ b/server/gameserver/mapservice.h
@@ -21,7 +21,8 @@ class MapService
     void AddCollider(ColliderComponent* collider);
     void RemoveCollider(ColliderComponent* collider);
     void GetColliders(float world_x, float world_y, std::set<ColliderComponent*>& colliders);
-    void GetGrassColliders(float world_x, float world_y, std::set<ColliderComponent*>& colliders);
+    void GetSpecColliders(long long flags, float world_x, float world_y,
+                          std::set<ColliderComponent*>& colliders);
 
  private:
     int GetGridId(float world_x, float world_y);
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 8a8ab67..6bab4f1 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -289,6 +289,7 @@ void Player::ObstacleInteraction(Obstacle* entity)
 
 void Player::LootInteraction(Loot* entity)
 {
+    #if 0
     if (entity->pickuped ||
         entity->count <= 0) {
         return;
@@ -299,6 +300,7 @@ void Player::LootInteraction(Loot* entity)
     }
     entity->pickuped = true;
     room->RemoveObjectLater(entity);
+    #endif
 }
 
 void Player::HumanInteraction(Human* hum)
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 8a8f9d9..6dce909 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -594,10 +594,27 @@ void Room::RemoveObjectLater(Entity* entity)
                                }
                                break;
                            case kET_Loot:
+                               {
+                                   entity->BroadcastDeleteState();
+                                   entity->room->grid_service.DelEntity(entity);
+                                   entity->RemoveFromMapService();
+                                   Loot* loot_entity = (Loot*)entity;
+                                   if (loot_entity->airdrop_point_id != 0) {
+                                       auto itr = loot_entity->room->airdrop_hash_.find(loot_entity->airdrop_point_id);
+                                       if (itr != loot_entity->room->airdrop_hash_.end()) {
+                                           itr->second.erase(loot_entity->entity_uniid);
+                                           if (itr->second.empty()) {
+                                               loot_entity->room->airdrop_hash_.erase(itr);
+                                           }
+                                       }
+                                   }
+                               }
+                               break;
                            case kET_Hero:
                                {
                                    entity->BroadcastDeleteState();
                                    entity->room->grid_service.DelEntity(entity);
+                                   entity->RemoveFromMapService();
                                }
                                break;
                            case kET_Player:
diff --git a/server/tools/protobuild/metatable.proto b/server/tools/protobuild/metatable.proto
index ce9ea0c..476b33d 100755
--- a/server/tools/protobuild/metatable.proto
+++ b/server/tools/protobuild/metatable.proto
@@ -73,7 +73,6 @@ message Equip
     required int32 bullet_speed = 13; //子弹速度
     required int32 range = 14; //射程
     //required int32 use_time = 15; //使用时间
-    required int32 heal = 16; //瞬间生命恢复
     required int32 time = 17; //时间
     //required string volume = 19; //装备容量
     required int32 bullet_rad = 20; //子弹半径
@@ -82,6 +81,7 @@ message Equip
     required string bullet_born_offset = 30; //子弹出生偏移
     required float bullet_angle = 34; //子弹浮动方向
     required string name = 35; //装备名字
+    required int32 buff_id = 36;
 
     //required string inventory_slot = 31; //库存槽位
     //required int32 _inventory_slot = 32; //库存槽位