diff --git a/logic/GameClass/GameObj/Bullet/Bullet.cs b/logic/GameClass/GameObj/Bullet/Bullet.cs
index cb0fcce..470d191 100644
--- a/logic/GameClass/GameObj/Bullet/Bullet.cs
+++ b/logic/GameClass/GameObj/Bullet/Bullet.cs
@@ -35,7 +35,7 @@ namespace GameClass.GameObj
         public override bool IgnoreCollideExecutor(IGameObj targetObj)
         {
             if (targetObj == Parent) return true;
-            if (targetObj.Type == GameObjType.Consumables || targetObj.Type == GameObjType.Bullet)
+            if (targetObj.Type == GameObjType.Gadget || targetObj.Type == GameObjType.Bullet)
                 return true;
             return false;
         }
diff --git a/logic/GameClass/GameObj/Character/Character.cs b/logic/GameClass/GameObj/Character/Character.cs
index 5c2acdf..0ae9aab 100644
--- a/logic/GameClass/GameObj/Character/Character.cs
+++ b/logic/GameClass/GameObj/Character/Character.cs
@@ -11,6 +11,8 @@ namespace GameClass.GameObj
 
         private readonly ReaderWriterLockSlim hpReaderWriterLock = new();
         public ReaderWriterLockSlim HPReadWriterLock => hpReaderWriterLock;
+        private readonly object vampireLock = new();
+        public object VampireLock => vampire;
 
         #region 装弹、攻击相关的基本属性及方法
         /// <summary>
@@ -331,32 +333,18 @@ namespace GameClass.GameObj
         {
             get
             {
-                HPReadWriterLock.EnterReadLock();
-                try
-                {
+                lock (vampireLock)
                     return vampire;
-                }
-                finally
-                {
-                    HPReadWriterLock.ExitReadLock();
-                }
             }
             set
             {
-                HPReadWriterLock.EnterWriteLock();
-                try
-                {
+                lock (vampireLock)
                     if (value > 1)
                         vampire = 1;
                     else if (value < 0)
                         vampire = 0;
                     else
                         vampire = value;
-                }
-                finally
-                {
-                    HPReadWriterLock.ExitWriteLock();
-                }
             }
         }
         public double OriVampire { get; protected set; }
@@ -596,9 +584,9 @@ namespace GameClass.GameObj
         }
 
         #region 道具和buff相关属性、方法
-        private Consumables[] propInventory = new Consumables[GameData.maxNumOfPropInPropInventory]
+        private Gadget[] propInventory = new Gadget[GameData.maxNumOfPropInPropInventory]
                                                 {new NullProp(), new NullProp(),new NullProp() };
-        public Consumables[] PropInventory
+        public Gadget[] PropInventory
         {
             get => propInventory;
             set
@@ -615,19 +603,19 @@ namespace GameClass.GameObj
         /// 使用物品栏中的道具
         /// </summary>
         /// <returns>被使用的道具</returns>
-        public Consumables UseProp(int indexing)
+        public Gadget UseProp(int indexing)
         {
             if (indexing < 0 || indexing >= GameData.maxNumOfPropInPropInventory)
                 return new NullProp();
             lock (gameObjLock)
             {
-                Consumables prop = propInventory[indexing];
+                Gadget prop = propInventory[indexing];
                 PropInventory[indexing] = new NullProp();
                 return prop;
             }
         }
 
-        public Consumables UseProp(PropType propType)
+        public Gadget UseProp(PropType propType)
         {
             lock (gameObjLock)
             {
@@ -637,7 +625,7 @@ namespace GameClass.GameObj
                     {
                         if (PropInventory[indexing].GetPropType() != PropType.Null)
                         {
-                            Consumables prop = PropInventory[indexing];
+                            Gadget prop = PropInventory[indexing];
                             PropInventory[indexing] = new NullProp();
                             return prop;
                         }
@@ -648,7 +636,7 @@ namespace GameClass.GameObj
                     {
                         if (PropInventory[indexing].GetPropType() == propType)
                         {
-                            Consumables prop = PropInventory[indexing];
+                            Gadget prop = PropInventory[indexing];
                             PropInventory[indexing] = new NullProp();
                             return prop;
                         }
@@ -787,7 +775,7 @@ namespace GameClass.GameObj
         {
             if (IsRemoved)
                 return true;
-            if (targetObj.Type == GameObjType.Consumables)
+            if (targetObj.Type == GameObjType.Gadget)
             {
                 return true;
             }
diff --git a/logic/GameClass/GameObj/Map/Chest.cs b/logic/GameClass/GameObj/Map/Chest.cs
index 0e3d480..0d57860 100644
--- a/logic/GameClass/GameObj/Map/Chest.cs
+++ b/logic/GameClass/GameObj/Map/Chest.cs
@@ -15,8 +15,8 @@ namespace GameClass.GameObj
         public override bool IsRigid => true;
         public override ShapeType Shape => ShapeType.Square;
 
-        private readonly Consumables[] propInChest = new Consumables[GameData.maxNumOfPropInChest] { new NullProp(), new NullProp() };
-        public Consumables[] PropInChest => propInChest;
+        private readonly Gadget[] propInChest = new Gadget[GameData.maxNumOfPropInChest] { new NullProp(), new NullProp() };
+        public Gadget[] PropInChest => propInChest;
 
         private int openStartTime = 0;
         public int OpenStartTime => openStartTime;
diff --git a/logic/GameClass/GameObj/Prop/Consumables.cs b/logic/GameClass/GameObj/Prop/Gadget.cs
similarity index 79%
rename from logic/GameClass/GameObj/Prop/Consumables.cs
rename to logic/GameClass/GameObj/Prop/Gadget.cs
index df31131..6427b27 100644
--- a/logic/GameClass/GameObj/Prop/Consumables.cs
+++ b/logic/GameClass/GameObj/Prop/Gadget.cs
@@ -1,15 +1,16 @@
 using Preparation.Interface;
 using Preparation.Utility;
+using System.Threading;
 
 namespace GameClass.GameObj
 {
-    public abstract class Consumables : ObjOfCharacter
+    public abstract class Gadget : ObjOfCharacter
     {
         public override bool IsRigid => true;
 
         public override bool IgnoreCollideExecutor(IGameObj targetObj)
         {
-            if (targetObj.Type == GameObjType.Consumables || targetObj.Type == GameObjType.Bullet
+            if (targetObj.Type == GameObjType.Gadget || targetObj.Type == GameObjType.Bullet
                 || targetObj.Type == GameObjType.Character || targetObj.Type == GameObjType.Chest)
                 return true;
             return false;
@@ -19,19 +20,42 @@ namespace GameClass.GameObj
 
         public abstract PropType GetPropType();
 
-        public Consumables(XY initPos, int radius = GameData.PropRadius) :
-            base(initPos, radius, GameObjType.Consumables)
+        public Gadget(XY initPos, int radius = GameData.PropRadius) :
+            base(initPos, radius, GameObjType.Gadget)
         {
             this.canMove = false;
             this.MoveSpeed = GameData.PropMoveSpeed;
         }
     }
-
+    public abstract class Tool : Gadget
+    {
+        private bool isUsed = false;
+        public bool IsUsed
+        {
+            get
+            {
+                lock (gameObjLock)
+                    return isUsed;
+            }
+            set
+            {
+                lock (gameObjLock)
+                {
+                    isUsed = value;
+                }
+            }
+        }
+        public Tool(XY initPos) : base(initPos) { }
+    }
+    public abstract class Consumables : Gadget
+    {
+        public Consumables(XY initPos) : base(initPos) { }
+    }
 
     ///// <summary>
     ///// 坑人地雷
     ///// </summary>
-    // public abstract class DebuffMine : Consumables
+    // public abstract class DebuffMine : Gadget
     //{
     //     public DebuffMine(XYPosition initPos) : base(initPos) { }
     // }
@@ -86,35 +110,35 @@ namespace GameClass.GameObj
         }
         public override PropType GetPropType() => PropType.ShieldOrSpear;
     }
-    public sealed class Key3 : Consumables
+    #endregion
+    public sealed class Key3 : Tool
     {
         public Key3(XY initPos) : base(initPos)
         {
         }
         public override PropType GetPropType() => PropType.Key3;
     }
-    public sealed class Key5 : Consumables
+    public sealed class Key5 : Tool
     {
         public Key5(XY initPos) : base(initPos)
         {
         }
         public override PropType GetPropType() => PropType.Key5;
     }
-    public sealed class Key6 : Consumables
+    public sealed class Key6 : Tool
     {
         public Key6(XY initPos) : base(initPos)
         {
         }
         public override PropType GetPropType() => PropType.Key6;
     }
-    public sealed class NullProp : Consumables
+    public sealed class NullProp : Gadget
     {
         public NullProp() : base(new XY(1, 1))
         {
         }
         public override PropType GetPropType() => PropType.Null;
     }
-    #endregion
     // #region 所有坑人地雷
     ///// <summary>
     ///// 减速
@@ -143,7 +167,7 @@ namespace GameClass.GameObj
     // #endregion
     public static class PropFactory
     {
-        public static Consumables GetConsumables(PropType propType, XY pos)
+        public static Gadget GetConsumables(PropType propType, XY pos)
         {
             switch (propType)
             {
diff --git a/logic/GameClass/GameObj/Prop/Prop.cs b/logic/GameClass/GameObj/Prop/Item.cs
similarity index 83%
rename from logic/GameClass/GameObj/Prop/Prop.cs
rename to logic/GameClass/GameObj/Prop/Item.cs
index 7071974..76d02b5 100644
--- a/logic/GameClass/GameObj/Prop/Prop.cs
+++ b/logic/GameClass/GameObj/Prop/Item.cs
@@ -3,7 +3,7 @@ using Preparation.Utility;
 
 namespace GameClass.GameObj
 {
-    public abstract class Prop : ObjOfCharacter
+    public abstract class Item : ObjOfCharacter
     {
         public override bool IsRigid => true;
 
@@ -13,11 +13,11 @@ namespace GameClass.GameObj
 
         public abstract PropType GetPropType();
 
-        public Prop(XY initPos, int radius = GameData.PropRadius) :
-            base(initPos, radius, GameObjType.Prop)
+        public Item(XY initPos, int radius = GameData.PropRadius) :
+            base(initPos, radius, GameObjType.Item)
         {
             this.canMove = false;
-            this.MoveSpeed = GameData.PropMoveSpeed;
+            this.MoveSpeed = 0;
         }
     }
 
@@ -25,12 +25,12 @@ namespace GameClass.GameObj
     ///// <summary>
     ///// 坑人地雷
     ///// </summary>
-    // public abstract class DebuffMine : Consumables
+    // public abstract class DebuffMine : Gadget
     //{
     //     public DebuffMine(XYPosition initPos) : base(initPos) { }
     // }
 
-    public sealed class CraftingBench : Prop
+    public sealed class CraftingBench : Item
     {
         public CraftingBench(XY initPos) :
             base(initPos)
diff --git a/logic/GameClass/GameObj/Prop/PickedProp.cs b/logic/GameClass/GameObj/Prop/PickedProp.cs
index 3f100cf..110b9ac 100644
--- a/logic/GameClass/GameObj/Prop/PickedProp.cs
+++ b/logic/GameClass/GameObj/Prop/PickedProp.cs
@@ -4,14 +4,14 @@ namespace GameClass.GameObj
 {
     // 为方便界面组做道具拾起特效，现引入“被捡起的道具”，在每帧发送给界面组
     /*
-    public class Prop : Immovable
+    public class Item : Immovable
     {
         public override ShapeType Shape => ShapeType.Circle;
         public override bool IsRigid => false;
         public long MappingID { get; }
-        public readonly Consumables propHasPicked;
-        public Prop(Consumables prop) :
-            base(prop.Position, prop.Radius, GameObjType.Prop)
+        public readonly Gadget propHasPicked;
+        public Item(Gadget prop) :
+            base(prop.Position, prop.Radius, GameObjType.Item)
         {
             this.propHasPicked = prop;
             this.MappingID = prop.ID;
diff --git a/logic/Gaming/ActionManager.cs b/logic/Gaming/ActionManager.cs
index 5984106..278e04d 100644
--- a/logic/Gaming/ActionManager.cs
+++ b/logic/Gaming/ActionManager.cs
@@ -303,7 +303,7 @@ namespace Gaming
                       player.SetPlayerStateNaturally();
                       for (int i = 0; i < GameData.maxNumOfPropInChest; ++i)
                       {
-                          Consumables prop = chestToOpen.PropInChest[i];
+                          Gadget prop = chestToOpen.PropInChest[i];
                           chestToOpen.PropInChest[i] = new NullProp();
                           prop.ReSetPos(player.Position);
                           gameMap.Add(prop);
@@ -395,7 +395,7 @@ namespace Gaming
                 Door? doorToLock = (Door?)gameMap.OneForInteract(player.Position, GameObjType.Door);
                 if (doorToLock == null) return false;
                 bool flag = false;
-                foreach (Consumables prop in player.PropInventory)
+                foreach (Gadget prop in player.PropInventory)
                 {
                     switch (prop.GetPropType())
                     {
diff --git a/logic/Gaming/CharacterManager.cs b/logic/Gaming/CharacterManager.cs
index 6f4d5fa..1563904 100644
--- a/logic/Gaming/CharacterManager.cs
+++ b/logic/Gaming/CharacterManager.cs
@@ -370,7 +370,7 @@ namespace Gaming
 
                 for (int i = 0; i < GameData.maxNumOfPropInPropInventory; i++)
                 {
-                    Consumables? prop = player.UseProp(i);
+                    Gadget? prop = player.UseProp(i);
                     if (prop != null)
                     {
                         prop.ReSetPos(player.Position);
diff --git a/logic/Gaming/PropManager.cs b/logic/Gaming/PropManager.cs
index 01bea89..994fd82 100644
--- a/logic/Gaming/PropManager.cs
+++ b/logic/Gaming/PropManager.cs
@@ -23,7 +23,7 @@ namespace Gaming
             {
                 if (player.IsRemoved || player.CharacterType == CharacterType.Robot)
                     return;
-                Consumables prop = player.UseProp(propType);
+                Gadget prop = player.UseProp(propType);
                 switch (prop.GetPropType())
                 {
                     case PropType.ShieldOrSpear:
@@ -79,17 +79,17 @@ namespace Gaming
                 if (indexing == GameData.maxNumOfPropInPropInventory)
                     return false;
 
-                Consumables pickProp = new NullProp();
+                Gadget pickProp = new NullProp();
                 if (propType == PropType.Null)  // 自动检查有无道具可捡
                 {
-                    pickProp = player.PropInventory[indexing] = ((Consumables?)gameMap.OneInTheSameCell(player.Position, GameObjType.Consumables)) ?? new NullProp();
+                    pickProp = player.PropInventory[indexing] = ((Gadget?)gameMap.OneInTheSameCell(player.Position, GameObjType.Gadget)) ?? new NullProp();
                 }
                 else
                 {
-                    gameMap.GameObjLockDict[GameObjType.Consumables].EnterReadLock();
+                    gameMap.GameObjLockDict[GameObjType.Gadget].EnterReadLock();
                     try
                     {
-                        foreach (Consumables prop in gameMap.GameObjDict[GameObjType.Consumables])
+                        foreach (Gadget prop in gameMap.GameObjDict[GameObjType.Gadget])
                         {
                             if (prop.GetPropType() == propType)
                             {
@@ -102,14 +102,14 @@ namespace Gaming
                     }
                     finally
                     {
-                        gameMap.GameObjLockDict[GameObjType.Consumables].ExitReadLock();
+                        gameMap.GameObjLockDict[GameObjType.Gadget].ExitReadLock();
                     }
                 }
 
                 if (pickProp.GetPropType() != PropType.Null)
                 {
                     gameMap.Remove(pickProp);
-                    //gameMap.Add(new Prop(pickProp));
+                    //gameMap.Add(new Item(pickProp));
                     return true;
                 }
                 else
@@ -120,7 +120,7 @@ namespace Gaming
             {
                 if (!gameMap.Timer.IsGaming || player.IsRemoved)
                     return;
-                Consumables prop = player.UseProp(propType);
+                Gadget prop = player.UseProp(propType);
                 if (prop.GetPropType() == PropType.Null)
                     return;
 
@@ -128,7 +128,7 @@ namespace Gaming
                 gameMap.Add(prop);
             }
 
-            private static Consumables ProduceOnePropNotKey(Random r, XY Pos)
+            private static Gadget ProduceOnePropNotKey(Random r, XY Pos)
             {
                 return PropFactory.GetConsumables((PropType)r.Next(GameData.numOfTeachingBuilding + 1, GameData.numOfPropSpecies + 1), Pos);
             }
diff --git a/logic/Preparation/Utility/EnumType.cs b/logic/Preparation/Utility/EnumType.cs
index 8e81850..5809d85 100644
--- a/logic/Preparation/Utility/EnumType.cs
+++ b/logic/Preparation/Utility/EnumType.cs
@@ -30,8 +30,8 @@ namespace Preparation.Utility
     {
         Null = 0,
         Character = 1,
-        Consumables = 2,
-        Prop = 3,
+        Gadget = 2,
+        Item = 3,
         Bullet = 4,
         BombedBullet = 5,
 
diff --git a/logic/Preparation/Utility/GameData.cs b/logic/Preparation/Utility/GameData.cs
index fb4d1bd..d58c44f 100644
--- a/logic/Preparation/Utility/GameData.cs
+++ b/logic/Preparation/Utility/GameData.cs
@@ -45,8 +45,8 @@ namespace Preparation.Utility
                 {
                     return gameObjType != GameObjType.Null && gameObjType != GameObjType.Grass 
                         && gameObjType != GameObjType.OutOfBoundBlock && gameObjType != GameObjType.Window 
-                        && gameObjType != GameObjType.Bullet&&gameObjType != GameObjType.Consumables
-                        &&gameObjType != GameObjType.Prop&&gameObjType != GameObjType.BombedBullet
+                        && gameObjType != GameObjType.Bullet&&gameObjType != GameObjType.Gadget
+                        &&gameObjType != GameObjType.Item&&gameObjType != GameObjType.BombedBullet
                         &&gameObjType != GameObjType.EmergencyExit&&gameObjType != GameObjType.Doorway;
                 }*/
 
diff --git a/logic/Server/CopyInfo.cs b/logic/Server/CopyInfo.cs
index 651cad2..4171ecb 100644
--- a/logic/Server/CopyInfo.cs
+++ b/logic/Server/CopyInfo.cs
@@ -33,10 +33,10 @@ namespace Server
                     else return null;
                 case Preparation.Utility.GameObjType.Door:
                     return Door((Door)gameObj);
-                case GameObjType.Prop:
-                    return Prop((Prop)gameObj);
-                case Preparation.Utility.GameObjType.Consumables:
-                    return Prop((Consumables)gameObj);
+                case GameObjType.Item:
+                    return Prop((Item)gameObj);
+                case Preparation.Utility.GameObjType.Gadget:
+                    return Prop((Gadget)gameObj);
                 default: return null;
             }
         }
@@ -157,7 +157,7 @@ namespace Server
             return msg;
         }
 
-        private static MessageOfObj Prop(Consumables prop)
+        private static MessageOfObj Prop(Gadget prop)
         {
             MessageOfObj msg = new()
             {
@@ -173,7 +173,7 @@ namespace Server
             return msg;
         }
 
-        private static MessageOfObj Prop(Prop prop)
+        private static MessageOfObj Prop(Item prop)
         {
             MessageOfObj msg = new()
             {