diff --git a/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn b/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn
index 5a05f49..937eee3 100644
--- a/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn
+++ b/DungeonShooting_Godot/resource/map/tileMaps/testGroup/inlet/Room1.tscn
@@ -99,3 +99,10 @@
 Type = 9
 ItemExpression = "5000"
 WaveNumber = 3
+
+[node name="ActivityMark19" type="Node2D" parent="."]
+position = Vector2(106, 31)
+script = ExtResource("3_m4jrh")
+Type = 9
+ItemExpression = "5000"
+WaveNumber = 3
diff --git a/DungeonShooting_Godot/src/framework/activity/CheckInteractiveResult.cs b/DungeonShooting_Godot/src/framework/activity/CheckInteractiveResult.cs
index de50959..99b1296 100644
--- a/DungeonShooting_Godot/src/framework/activity/CheckInteractiveResult.cs
+++ b/DungeonShooting_Godot/src/framework/activity/CheckInteractiveResult.cs
@@ -29,7 +29,7 @@
     /// <summary>
     /// 是否可以互动
     /// </summary>
-    public bool CanInteractive;
+    public bool CanInteractive = false;
     /// <summary>
     /// 互动提示类型
     /// </summary>
diff --git a/DungeonShooting_Godot/src/game/activity/package/Package.cs b/DungeonShooting_Godot/src/game/activity/package/Package.cs
index a8d72e3..a4bd76f 100644
--- a/DungeonShooting_Godot/src/game/activity/package/Package.cs
+++ b/DungeonShooting_Godot/src/game/activity/package/Package.cs
@@ -1,6 +1,9 @@
 using System;
 using System.Collections.Generic;
 
+/// <summary>
+/// 物体背包类
+/// </summary>
 public class Package<T> : IDestroy where T : ActivityObject, IPackageItem
 {
     public bool IsDestroyed { get; private set; }
@@ -30,11 +33,10 @@
     /// </summary>
     public T[] ItemSlot { get; private set; }
 
-    public Package(Role master)
+    public Package(Role master, int capacity)
     {
         Master = master;
-        //默认容量4
-        SetCapacity(4);
+        SetCapacity(capacity);
     }
 
     /// <summary>
@@ -405,6 +407,50 @@
 
         return -1;
     }
+
+    /// <summary>
+    /// 返回指定 id 的物体在背包中的索引, 如果不在背包中, 则返回 -1
+    /// </summary>
+    public int IndexOfByItemId(string itemId)
+    {
+        if (ItemSlot == null)
+        {
+            return -1;
+        }
+
+        for (var i = 0; i < ItemSlot.Length; i++)
+        {
+            var packageItem = ItemSlot[i];
+            if (packageItem != null && packageItem.ItemConfig.Id == itemId)
+            {
+                return i;
+            }
+        }
+
+        return -1;
+    }
+
+    /// <summary>
+    /// 获取背包中指定 id 的物体, 如果有多个相同 id 的物体, 则返回第一个匹配的物体
+    /// </summary>
+    public T GetItemById(string itemId)
+    {
+        if (ItemSlot == null)
+        {
+            return null;
+        }
+
+        for (var i = 0; i < ItemSlot.Length; i++)
+        {
+            var packageItem = ItemSlot[i];
+            if (packageItem != null && packageItem.ItemConfig.Id == itemId)
+            {
+                return packageItem;
+            }
+        }
+
+        return null;
+    }
     
     public void Destroy()
     {
diff --git a/DungeonShooting_Godot/src/game/activity/prop/Prop.cs b/DungeonShooting_Godot/src/game/activity/prop/Prop.cs
index ef1879d..88c3aa2 100644
--- a/DungeonShooting_Godot/src/game/activity/prop/Prop.cs
+++ b/DungeonShooting_Godot/src/game/activity/prop/Prop.cs
@@ -28,13 +28,47 @@
     {
     }
 
+        
+    public virtual void OnRemoveItem()
+    {
+        
+    }
+
+    public virtual void OnPickUpItem()
+    {
+        
+    }
+
+    public virtual void OnActiveItem()
+    {
+        
+    }
+
+    public virtual void OnConcealItem()
+    {
+        
+    }
+
+    public virtual void OnOverflowItem()
+    {
+        
+    }
+    
+    /// <summary>
+    /// 执行将当前道具放入角色背包的操作
+    /// </summary>
+    protected void PushToRole(Role role)
+    {
+        Pickup();
+        role.PushProp(this);
+        OnPickUp(role);
+    }
+    
     public override void Interactive(ActivityObject master)
     {
         if (master is Role role)
         {
-            Pickup();
-            role.PushProp(this);
-            OnPickUp(role);
+            PushToRole(role);
         }
     }
 
@@ -46,29 +80,5 @@
         }
         return base.CheckInteractive(master);
     }
-    
-    public void OnRemoveItem()
-    {
-        
-    }
 
-    public void OnPickUpItem()
-    {
-        
-    }
-
-    public void OnActiveItem()
-    {
-        
-    }
-
-    public void OnConcealItem()
-    {
-        
-    }
-
-    public void OnOverflowItem()
-    {
-        
-    }
 }
\ No newline at end of file
diff --git a/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp.cs b/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp.cs
index a2be35f..6f3acb3 100644
--- a/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp.cs
+++ b/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp.cs
@@ -7,6 +7,11 @@
 public abstract partial class ActiveProp : Prop
 {
     /// <summary>
+    /// 道具是否可以叠加
+    /// </summary>
+    public bool Superposition { get; set; } = false;
+    
+    /// <summary>
     /// 道具可使用次数
     /// </summary>
     public int Count
@@ -131,9 +136,18 @@
     protected virtual void OnCooldownFinish()
     {
     }
-    
+
+    protected override void ProcessOver(float delta)
+    {
+        CheckAutoDestroy();
+    }
+
     public override void PackProcess(float delta)
     {
+        if (CheckAutoDestroy())
+        {
+            return;
+        }
         //冷却
         if (_cooldownTimer > 0)
         {
@@ -154,6 +168,22 @@
         }
     }
 
+    //检测是否达到自动销毁的条件
+    private bool CheckAutoDestroy()
+    {
+        if (Count == 0 && AutoDestroy) //用光了, 自动销毁
+        {
+            if (Master != null)
+            {
+                Master.RemoveProp(this);
+            }
+            Destroy();
+            return true;
+        }
+
+        return false;
+    }
+    
     /// <summary>
     /// 检测是否可以使用当前道具
     /// </summary>
@@ -181,11 +211,6 @@
 
             //冷却计时器
             _cooldownTimer = CooldownTime;
-            if (Count == 0 && AutoDestroy) //用光了, 自动销毁
-            {
-                Master.RemoveProp(this);
-                Destroy();
-            }
         }
     }
 
@@ -201,4 +226,82 @@
 
         return (CooldownTime - _cooldownTimer) / CooldownTime;
     }
+
+    public override void Interactive(ActivityObject master)
+    {
+        if (master is Player player)
+        {
+            //查找相同类型的物体
+            ActiveProp item;
+            if (Superposition && (item = player.ActivePropsPack.GetItemById(ItemConfig.Id)) != null) //走叠加逻辑
+            {
+                if (item.Count < item.MaxCount) //可以叠加
+                {
+                    if (item.Count + Count > item.MaxCount)
+                    {
+                        Count -= item.MaxCount - item.Count;
+                        item.Count = item.MaxCount;
+                    }
+                    else
+                    {
+                        item.Count += Count;
+                        Count = 0;
+                    }
+                }
+                else //该道具不能拾起
+                {
+                    return;
+                }
+            }
+            else //正常拾起
+            {
+                if (player.ActivePropsPack.HasVacancy()) //还有空位
+                {
+                    PushToRole(player);
+                }
+                else //没有空位了
+                {
+                    //替换手中的道具
+                    
+                }
+            }
+            
+            return;
+        }
+
+        base.Interactive(master);
+    }
+
+    public override CheckInteractiveResult CheckInteractive(ActivityObject master)
+    {
+        if (master is Player player)
+        {
+            //查找相同类型的物体
+            ActiveProp item;
+            if (Superposition && (item = player.ActivePropsPack.GetItemById(ItemConfig.Id)) != null) //走叠加逻辑
+            {
+                if (item.Count < item.MaxCount) //可以叠加
+                {
+                    return new CheckInteractiveResult(this, true, CheckInteractiveResult.InteractiveType.Bullet);
+                }
+                else //该道具不能拾起
+                {
+                    return new CheckInteractiveResult(this);
+                }
+            }
+            else //正常拾起
+            {
+                if (player.ActivePropsPack.HasVacancy()) //还有空位
+                {
+                    return new CheckInteractiveResult(this, true, CheckInteractiveResult.InteractiveType.PickUp);
+                }
+                else //没有空位了
+                {
+                    //替换手中的道具
+                    return new CheckInteractiveResult(this, true, CheckInteractiveResult.InteractiveType.Replace);
+                }
+            }
+        }
+        return base.CheckInteractive(master);
+    }
 }
\ No newline at end of file
diff --git a/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp5000.cs b/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp5000.cs
index 74bf050..55f185a 100644
--- a/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp5000.cs
+++ b/DungeonShooting_Godot/src/game/activity/prop/active/ActiveProp5000.cs
@@ -11,6 +11,7 @@
     {
         AutoDestroy = true;
         MaxCount = 20;
+        Superposition = true;
     }
 
     public override bool OnCheckUse()
diff --git a/DungeonShooting_Godot/src/game/activity/role/Role.cs b/DungeonShooting_Godot/src/game/activity/role/Role.cs
index fa9867e..4b6242c 100644
--- a/DungeonShooting_Godot/src/game/activity/role/Role.cs
+++ b/DungeonShooting_Godot/src/game/activity/role/Role.cs
@@ -311,8 +311,8 @@
 
     public override void OnInit()
     {
-        ActivePropsPack = new Package<ActiveProp>(this);
-        WeaponPack = new Package<Weapon>(this);
+        ActivePropsPack = new Package<ActiveProp>(this, 1);
+        WeaponPack = new Package<Weapon>(this, 4);
         _startScale = Scale;
         MountPoint.Master = this;
         
@@ -434,7 +434,10 @@
             var buffProps = BuffPropPack.ToArray();
             foreach (var prop in buffProps)
             {
-                prop.PackProcess(delta);
+                if (!prop.IsDestroyed)
+                {
+                    prop.PackProcess(delta);
+                }
             }
         }
         
@@ -442,7 +445,7 @@
         var props = (Prop[])ActivePropsPack.ItemSlot.Clone();
         foreach (var prop in props)
         {
-            if (prop != null)
+            if (prop != null && !prop.IsDestroyed)
             {
                 prop.PackProcess(delta);
             }
diff --git a/DungeonShooting_Godot/src/game/ui/roomUI/ActivePropBar.cs b/DungeonShooting_Godot/src/game/ui/roomUI/ActivePropBar.cs
index 4db890e..c037150 100644
--- a/DungeonShooting_Godot/src/game/ui/roomUI/ActivePropBar.cs
+++ b/DungeonShooting_Godot/src/game/ui/roomUI/ActivePropBar.cs
@@ -135,8 +135,7 @@
     public void SetChargeProgressVisible(bool visible)
     {
         var ninePatchRect = _activePropBar.L_ChargeProgressBar.Instance;
-        var sprite = _activePropBar.L_CooldownProgress.Instance;
-        sprite.Visible = visible;
+        _activePropBar.L_ChargeProgress.Instance.Visible = visible;
         if (ninePatchRect.Visible == visible && _initCooldown)
         {
             return;
@@ -144,8 +143,8 @@
 
         _initCooldown = true;
 
+        var sprite = _activePropBar.L_CooldownProgress.Instance;
         ninePatchRect.Visible = visible;
-        _activePropBar.L_ChargeProgress.Instance.Visible = visible;
         //调整冷却蒙板大小
         if (visible)
         {