diff --git a/Runtime/ABase/Base/Service/Core/AppScope.cs b/Runtime/ABase/Base/Service/Core/AppScope.cs
index 740f4b9..6147de2 100644
--- a/Runtime/ABase/Base/Service/Core/AppScope.cs
+++ b/Runtime/ABase/Base/Service/Core/AppScope.cs
@@ -3,5 +3,13 @@ namespace AlicizaX
     /// <summary>
     /// 框架内置的 App Scope 标记类，生命周期与 ServiceWorld 相同。
     /// </summary>
-    public sealed class AppScope { }
+    public sealed class AppScope : IScope
+    {
+        public int Order => -10000;
+    }
+
+    public interface IScope
+    {
+        public int Order { get; }
+    }
 }
diff --git a/Runtime/ABase/Base/Service/Core/AppServices.cs b/Runtime/ABase/Base/Service/Core/AppServices.cs
index 27bedaa..2b76544 100644
--- a/Runtime/ABase/Base/Service/Core/AppServices.cs
+++ b/Runtime/ABase/Base/Service/Core/AppServices.cs
@@ -29,19 +29,19 @@ namespace AlicizaX
 
         // ── Scope 管理 ──────────────────────────────────────────────────────────
 
-        public static ServiceScope CreateScope<TScope>(int order = 0) where TScope : class
+        public static ServiceScope CreateScope<TScope>(int order = 0) where TScope : IScope
             => World.CreateScope<TScope>(order);
 
-        public static ServiceScope GetOrCreateScope<TScope>(int order = 0) where TScope : class
+        public static ServiceScope GetOrCreateScope<TScope>(int order = 0) where TScope : IScope
             => World.GetOrCreateScope<TScope>(order);
 
-        public static bool TryGetScope<TScope>(out ServiceScope scope) where TScope : class
+        public static bool TryGetScope<TScope>(out ServiceScope scope) where TScope : IScope
         {
             if (_world == null) { scope = null; return false; }
             return _world.TryGetScope<TScope>(out scope);
         }
 
-        public static bool DestroyScope<TScope>() where TScope : class
+        public static bool DestroyScope<TScope>() where TScope : IScope
         {
             if (_world == null) return false;
             return _world.DestroyScope<TScope>();
diff --git a/Runtime/ABase/Base/Service/Core/ServiceContext.cs b/Runtime/ABase/Base/Service/Core/ServiceContext.cs
index 9585391..8c1e038 100644
--- a/Runtime/ABase/Base/Service/Core/ServiceContext.cs
+++ b/Runtime/ABase/Base/Service/Core/ServiceContext.cs
@@ -20,13 +20,13 @@ namespace AlicizaX
         public bool TryGet<T>(out T service) where T : class, IService
             => World.TryGet(Scope, out service);
 
-        public ServiceScope CreateScope<TScope>(int order = 0) where TScope : class
+        public ServiceScope CreateScope<TScope>(int order = 0) where TScope : IScope
             => World.CreateScope<TScope>(order);
 
-        public ServiceScope GetOrCreateScope<TScope>(int order = 0) where TScope : class
+        public ServiceScope GetOrCreateScope<TScope>(int order = 0) where TScope : IScope
             => World.GetOrCreateScope<TScope>(order);
 
-        public bool TryGetScope<TScope>(out ServiceScope scope) where TScope : class
+        public bool TryGetScope<TScope>(out ServiceScope scope) where TScope : IScope
             => World.TryGetScope<TScope>(out scope);
     }
 }
diff --git a/Runtime/ABase/Base/Service/Core/ServiceWorld.cs b/Runtime/ABase/Base/Service/Core/ServiceWorld.cs
index b0afe5c..0ad088f 100644
--- a/Runtime/ABase/Base/Service/Core/ServiceWorld.cs
+++ b/Runtime/ABase/Base/Service/Core/ServiceWorld.cs
@@ -20,7 +20,7 @@ namespace AlicizaX
 
         // ── Scope 管理（Type-based） ────────────────────────────────────────────
 
-        public ServiceScope CreateScope<TScope>(int order = 0) where TScope : class
+        public ServiceScope CreateScope<TScope>(int order = 0) where TScope : IScope
         {
             var type = typeof(TScope);
             if (_scopesByType.ContainsKey(type))
@@ -28,7 +28,7 @@ namespace AlicizaX
             return CreateScopeInternal(type, order);
         }
 
-        public ServiceScope GetOrCreateScope<TScope>(int order = 0) where TScope : class
+        public ServiceScope GetOrCreateScope<TScope>(int order = 0) where TScope : IScope
         {
             var type = typeof(TScope);
             if (_scopesByType.TryGetValue(type, out var existing))
@@ -36,16 +36,16 @@ namespace AlicizaX
             return CreateScopeInternal(type, order);
         }
 
-        public bool TryGetScope<TScope>(out ServiceScope scope) where TScope : class
+        public bool TryGetScope<TScope>(out ServiceScope scope) where TScope : IScope
             => _scopesByType.TryGetValue(typeof(TScope), out scope);
 
-        public ServiceScope GetScope<TScope>() where TScope : class
+        public ServiceScope GetScope<TScope>() where TScope : IScope
         {
             if (TryGetScope<TScope>(out var scope)) return scope;
             throw new InvalidOperationException($"Scope {typeof(TScope).Name} does not exist.");
         }
 
-        public bool DestroyScope<TScope>() where TScope : class
+        public bool DestroyScope<TScope>() where TScope : IScope
         {
             if (typeof(TScope) == typeof(AppScope))
                 throw new InvalidOperationException("AppScope can only be destroyed when the world is disposed.");
diff --git a/Runtime/ABase/Base/Service/Unity/MonoServiceBehaviour.cs b/Runtime/ABase/Base/Service/Unity/MonoServiceBehaviour.cs
index 89fd552..e56ece6 100644
--- a/Runtime/ABase/Base/Service/Unity/MonoServiceBehaviour.cs
+++ b/Runtime/ABase/Base/Service/Unity/MonoServiceBehaviour.cs
@@ -53,7 +53,7 @@ namespace AlicizaX
     /// </para>
     /// </summary>
     public abstract class MonoServiceBehaviour<TScope> : MonoServiceBehaviour
-        where TScope : class
+        where TScope : IScope
     {
         [SerializeField] private bool _dontDestroyOnLoad = false;
 
diff --git a/Runtime/ABase/GameObjectPool/GameObjectPoolManager.cs b/Runtime/ABase/GameObjectPool/GameObjectPoolManager.cs
index 0b1081e..3d65ee7 100644
--- a/Runtime/ABase/GameObjectPool/GameObjectPoolManager.cs
+++ b/Runtime/ABase/GameObjectPool/GameObjectPoolManager.cs
@@ -7,7 +7,7 @@ using UnityEngine;
 
 namespace AlicizaX
 {
-    public sealed class GameObjectPoolManager : MonoServiceBehaviour<GameObjectPoolManager>
+    public sealed class GameObjectPoolManager : MonoServiceBehaviour<AppScope>
     {
         private static readonly Comparison<GameObjectPoolSnapshot> SnapshotComparer = (left, right) =>
         {