diff --git a/DungeonShooting_Godot/src/framework/map/mark/ActivityMark.cs b/DungeonShooting_Godot/src/framework/map/mark/ActivityMark.cs
index 130f3a2..f0aab24 100644
--- a/DungeonShooting_Godot/src/framework/map/mark/ActivityMark.cs
+++ b/DungeonShooting_Godot/src/framework/map/mark/ActivityMark.cs
@@ -7,54 +7,11 @@
 [Tool]
 public partial class ActivityMark : Node2D
 {
-    public enum MarkActivityType
-    {
-        /// <summary>
-        /// 没有前缀
-        /// </summary>
-        NonePrefix,
-
-        /// <summary>
-        /// 测试单位
-        /// </summary>
-        Test,
-
-        /// <summary>
-        /// 角色
-        /// </summary>
-        Role,
-
-        /// <summary>
-        /// 敌人
-        /// </summary>
-        Enemy,
-
-        /// <summary>
-        /// 武器
-        /// </summary>
-        Weapon,
-
-        /// <summary>
-        /// 子弹
-        /// </summary>
-        Bullet,
-
-        /// <summary>
-        /// 弹壳
-        /// </summary>
-        Shell,
-
-        /// <summary>
-        /// 其他类型
-        /// </summary>
-        Other,
-    }
-
     /// <summary>
     /// 物体类型
     /// </summary>
     [Export]
-    public MarkActivityType Type = MarkActivityType.NonePrefix;
+    public ActivityIdPrefix.ActivityPrefixType Type = ActivityIdPrefix.ActivityPrefixType.NonePrefix;
 
     /// <summary>
     /// 物体id
@@ -74,27 +31,7 @@
     /// <returns></returns>
     public string GetItemId()
     {
-        switch (Type)
-        {
-            case MarkActivityType.NonePrefix:
-                return ItemId;
-            case MarkActivityType.Test:
-                return ActivityIdPrefix.Test + ItemId;
-            case MarkActivityType.Role:
-                return ActivityIdPrefix.Role + ItemId;
-            case MarkActivityType.Enemy:
-                return ActivityIdPrefix.Enemy + ItemId;
-            case MarkActivityType.Weapon:
-                return ActivityIdPrefix.Weapon + ItemId;
-            case MarkActivityType.Bullet:
-                return ActivityIdPrefix.Bullet + ItemId;
-            case MarkActivityType.Shell:
-                return ActivityIdPrefix.Shell + ItemId;
-            case MarkActivityType.Other:
-                return ActivityIdPrefix.Other + ItemId;
-        }
-
-        return ItemId;
+        return ActivityIdPrefix.GetNameByPrefixType(Type) + ItemId;
     }
 
     /// <summary>
diff --git a/DungeonShooting_Godot/src/game/manager/ActivityIdPrefix.cs b/DungeonShooting_Godot/src/game/manager/ActivityIdPrefix.cs
index 762856c..e62bbd1 100644
--- a/DungeonShooting_Godot/src/game/manager/ActivityIdPrefix.cs
+++ b/DungeonShooting_Godot/src/game/manager/ActivityIdPrefix.cs
@@ -2,6 +2,18 @@
 //Activity注册类id前缀
 public static class ActivityIdPrefix
 {
+    public enum ActivityPrefixType
+    {
+        NonePrefix,
+        Test,
+        Role,
+        Enemy,
+        Weapon,
+        Bullet,
+        Shell,
+        Other,
+    }
+    
     /// <summary>
     /// 测试单位
     /// </summary>
@@ -31,4 +43,32 @@
     /// 其他类型
     /// </summary>
     public const string Other = "other";
+
+    /// <summary>
+    /// 根据 ActivityPrefixType 中的枚举类型获取类型名称的字符串
+    /// </summary>
+    public static string GetNameByPrefixType(ActivityPrefixType prefixType)
+    {
+        switch (prefixType)
+        {
+            case ActivityPrefixType.NonePrefix:
+                return "";
+            case ActivityPrefixType.Test:
+                return Test;
+            case ActivityPrefixType.Role:
+                return Role;
+            case ActivityPrefixType.Enemy:
+                return Enemy;
+            case ActivityPrefixType.Weapon:
+                return Weapon;
+            case ActivityPrefixType.Bullet:
+                return Bullet;
+            case ActivityPrefixType.Shell:
+                return Shell;
+            case ActivityPrefixType.Other:
+                return Other;
+        }
+
+        return "";
+    }
 }
\ No newline at end of file