diff --git a/Runtime/ABase/Extension/UnityEngage.GameObject/UnityEngage.GameObjectExtension.cs b/Runtime/ABase/Extension/UnityEngage.GameObject/UnityEngage.GameObjectExtension.cs
index 495f9db..1655000 100644
--- a/Runtime/ABase/Extension/UnityEngage.GameObject/UnityEngage.GameObjectExtension.cs
+++ b/Runtime/ABase/Extension/UnityEngage.GameObject/UnityEngage.GameObjectExtension.cs
@@ -19,8 +19,6 @@ namespace UnityEngine
             Object.Destroy(obj);
 #endif
         }
-        private static readonly List<Transform> s_CachedTransforms = new List<Transform>();
-
         /// <summary>
         /// 获取或增加组件。
         /// </summary>
@@ -83,20 +81,5 @@ namespace UnityEngine
             return gameObject.scene.name != null;
         }
 
-        /// <summary>
-        /// 递归设置游戏对象的层次。
-        /// </summary>
-        /// <param name="gameObject"><see cref="GameObject" /> 对象。</param>
-        /// <param name="layer">目标层次的编号。</param>
-        public static void SetLayerRecursively(this GameObject gameObject, int layer)
-        {
-            gameObject.GetComponentsInChildren(true, s_CachedTransforms);
-            foreach (var tf in s_CachedTransforms)
-            {
-                tf.gameObject.layer = layer;
-            }
-
-            s_CachedTransforms.Clear();
-        }
     }
 }
diff --git a/Runtime/ABase/Helper/GameHelper.cs b/Runtime/ABase/Helper/GameHelper.cs
index 2b2d22a..afae8ff 100644
--- a/Runtime/ABase/Helper/GameHelper.cs
+++ b/Runtime/ABase/Helper/GameHelper.cs
@@ -3,6 +3,7 @@ using System.Globalization;
 using System.Collections.Generic;
 
 using System.Text.RegularExpressions;
+using AlicizaX;
 using UnityEngine;
 using UnityEngine.UI;
 
@@ -10,7 +11,7 @@ using UnityEngine.UI;
 using UnityEditor;
 #endif
 
-namespace AlicizaX
+namespace UnityEngine
 {
     public static class GameHelper
     {
diff --git a/Runtime/ABase/Helper/GameObjectHelper.cs b/Runtime/ABase/Helper/GameObjectHelper.cs
index 89a4286..4a4eec0 100644
--- a/Runtime/ABase/Helper/GameObjectHelper.cs
+++ b/Runtime/ABase/Helper/GameObjectHelper.cs
@@ -2,7 +2,7 @@ using UnityEngine;
 using UnityEngine.Rendering;
 using UnityEngine.SceneManagement;
 
-namespace AlicizaX
+namespace UnityEngine
 {
     /// <summary>
     /// 游戏对象帮助类
diff --git a/Runtime/ABase/Structs/UniqueID.cs b/Runtime/ABase/Structs/UniqueID.cs
index 80c1369..3c0a036 100644
--- a/Runtime/ABase/Structs/UniqueID.cs
+++ b/Runtime/ABase/Structs/UniqueID.cs
@@ -1,4 +1,5 @@
 using System;
+using UnityEngine;
 
 namespace AlicizaX
 {