diff --git a/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs b/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs
index d8c9cc7..bd44f44 100644
--- a/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs
+++ b/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs
@@ -39,6 +39,7 @@
     {
         //移动
         var lastSlideCollision = GetLastSlideCollision();
+        //撞到墙
         if (lastSlideCollision != null)
         {
             //创建粒子特效
diff --git a/DungeonShooting_Godot/src/game/role/Role.cs b/DungeonShooting_Godot/src/game/role/Role.cs
index b05f635..883e7c5 100644
--- a/DungeonShooting_Godot/src/game/role/Role.cs
+++ b/DungeonShooting_Godot/src/game/role/Role.cs
@@ -255,7 +255,7 @@
         for (int i = 0; i < _interactiveItemList.Count; i++)
         {
             var item = _interactiveItemList[i];
-            if (item == null)
+            if (item == null || item.IsDestroyed)
             {
                 _interactiveItemList.RemoveAt(i--);
             }
@@ -520,13 +520,12 @@
     }
     
     /// <summary>
-    /// 连接信号: InteractiveArea.area_entered
+    /// 连接信号: InteractiveArea.BodyEntered
     /// 与物体碰撞
     /// </summary>
     private void _OnPropsEnter(Node2D other)
     {
-        ActivityObject propObject = other.AsActivityObject();
-        if (propObject != null)
+        if (other is ActivityObject propObject)
         {
             if (!_interactiveItemList.Contains(propObject))
             {
@@ -536,13 +535,12 @@
     }
 
     /// <summary>
-    /// 连接信号: InteractiveArea.area_exited
+    /// 连接信号: InteractiveArea.BodyExited
     /// 物体离开碰撞区域
     /// </summary>
     private void _OnPropsExit(Node2D other)
     {
-        ActivityObject propObject = other.AsActivityObject();
-        if (propObject != null)
+        if (other is ActivityObject propObject)
         {
             if (_interactiveItemList.Contains(propObject))
             {