diff --git a/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs b/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
index 6d84ded..5c931d3 100644
--- a/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
+++ b/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
@@ -204,7 +204,60 @@
     /// 所在的 World 对象
     /// </summary>
     public World World { get; private set; }
-    
+
+    /// <summary>
+    /// 是否开启描边
+    /// </summary>
+    public bool ShowOutline
+    {
+        get => _showOutline;
+        set
+        {
+            if (_blendShaderMaterial != null)
+            {
+                if (value != _showOutline)
+                {
+                    _blendShaderMaterial.SetShaderParameter("show_outline", value);
+                    if (_shadowBlendShaderMaterial != null)
+                    {
+                        _shadowBlendShaderMaterial.SetShaderParameter("show_outline", value);
+                    }
+                    _showOutline = value;
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// 描边颜色
+    /// </summary>
+    public Color OutlineColor
+    {
+        get
+        {
+            if (!_initOutlineColor)
+            {
+                _initOutlineColor = true;
+                if (_blendShaderMaterial != null)
+                {
+                    _outlineColor = _blendShaderMaterial.GetShaderParameter("outline_color").AsColor();
+                }
+            }
+
+            return _outlineColor;
+        }
+        set
+        {
+            _initOutlineColor = true;
+            if (value != _outlineColor)
+            {
+                _blendShaderMaterial.SetShaderParameter("outline_color", value);
+            }
+
+            _outlineColor = value;
+        }
+    }
+
     // --------------------------------------------------------------------------------
 
     //组件集合
@@ -264,6 +317,13 @@
     //实例索引
     private static long _instanceIndex = 0;
 
+    //是否启用描边
+    private bool _showOutline = false;
+    
+    //描边颜色
+    private bool _initOutlineColor = false;
+    private Color _outlineColor = new Color(0, 0, 0, 1);
+
     //初始化节点
     private void _InitNode(RegisterActivityData activityData, World world)
     {
@@ -281,6 +341,16 @@
         Name = GetType().Name + (_instanceIndex++);
         _blendShaderMaterial = AnimatedSprite.Material as ShaderMaterial;
         _shadowBlendShaderMaterial = ShadowSprite.Material as ShaderMaterial;
+        if (_blendShaderMaterial != null)
+        {
+            _showOutline = _blendShaderMaterial.GetShaderParameter("show_outline").AsBool();
+        }
+
+        if (_shadowBlendShaderMaterial != null)
+        {
+            _shadowBlendShaderMaterial.SetShaderParameter("show_outline", _showOutline);
+        }
+
         ShadowSprite.Visible = false;
         MotionMode = MotionModeEnum.Floating;
         MoveController = AddComponent<MoveController>();
diff --git a/DungeonShooting_Godot/src/game/activity/role/Player.cs b/DungeonShooting_Godot/src/game/activity/role/Player.cs
index 3411aec..9367d76 100644
--- a/DungeonShooting_Godot/src/game/activity/role/Player.cs
+++ b/DungeonShooting_Godot/src/game/activity/role/Player.cs
@@ -130,7 +130,7 @@
         //播放动画
         PlayAnim();
     }
-    
+
     public override bool PickUpWeapon(Weapon weapon, bool exchange = true)
     {
         //拾起武器
@@ -189,8 +189,16 @@
         EventManager.EmitEvent(EventEnum.OnPlayerMaxHpChange, maxHp);
     }
 
-    protected override void ChangeInteractiveItem(CheckInteractiveResult result)
+    protected override void ChangeInteractiveItem(CheckInteractiveResult prev, CheckInteractiveResult result)
     {
+        if (prev != null && prev.Target.ShowOutline)
+        {
+            prev.Target.OutlineColor = Colors.Black;
+        }
+        if (result != null && result.Target.ShowOutline)
+        {
+            result.Target.OutlineColor = Colors.White;
+        }
         //派发互动对象改变事件
         EventManager.EmitEvent(EventEnum.OnPlayerChangeInteractiveItem, result);
     }
diff --git a/DungeonShooting_Godot/src/game/activity/role/Role.cs b/DungeonShooting_Godot/src/game/activity/role/Role.cs
index 4a2129b..fd711db 100644
--- a/DungeonShooting_Godot/src/game/activity/role/Role.cs
+++ b/DungeonShooting_Godot/src/game/activity/role/Role.cs
@@ -204,8 +204,8 @@
     private Vector2 _startScale;
     //所有角色碰撞的物体
     private readonly List<ActivityObject> _interactiveItemList = new List<ActivityObject>();
-
-    private CheckInteractiveResult _tempResultData;
+    //当前可互动的物体
+    private CheckInteractiveResult _currentResultData;
     private uint _currentLayer;
     //闪烁计时器
     private float _flashingInvincibleTimer = -1;
@@ -277,8 +277,9 @@
     /// <summary>
     /// 当可互动的物体改变时调用, result 参数为 null 表示变为不可互动
     /// </summary>
-    /// <param name="result">检测是否可互动时的返回值</param>
-    protected virtual void ChangeInteractiveItem(CheckInteractiveResult result)
+    /// <param name="prev">上一个互动的物体</param>
+    /// <param name="result">当前物体, 检测是否可互动时的返回值</param>
+    protected virtual void ChangeInteractiveItem(CheckInteractiveResult prev, CheckInteractiveResult result)
     {
     }
 
@@ -341,28 +342,32 @@
                 if (!findFlag)
                 {
                     var result = item.CheckInteractive(this);
+                    var prev = _currentResultData;
+                    _currentResultData = result;
                     if (result.CanInteractive) //可以互动
                     {
                         findFlag = true;
                         if (InteractiveItem != item) //更改互动物体
                         {
                             InteractiveItem = item;
-                            ChangeInteractiveItem(result);
+                            ChangeInteractiveItem(prev, result);
                         }
-                        else if (result.ShowIcon != _tempResultData.ShowIcon) //切换状态
+                        else if (result.ShowIcon != _currentResultData.ShowIcon) //切换状态
                         {
-                            ChangeInteractiveItem(result);
+                            ChangeInteractiveItem(prev, result);
                         }
                     }
-                    _tempResultData = result;
+                    
                 }
             }
         }
         //没有可互动的物体
         if (!findFlag && InteractiveItem != null)
         {
+            var prev = _currentResultData;
+            _currentResultData = null;
             InteractiveItem = null;
-            ChangeInteractiveItem(null);
+            ChangeInteractiveItem(prev, null);
         }
 
         //无敌状态, 播放闪烁动画
@@ -757,8 +762,10 @@
             }
             if (InteractiveItem == propObject)
             {
+                var prev = _currentResultData;
+                _currentResultData = null;
                 InteractiveItem = null;
-                ChangeInteractiveItem(null);
+                ChangeInteractiveItem(prev, null);
             }
         }
     }