diff --git a/Assets/BITKit/Core/Tag/ITag.cs b/Assets/BITKit/Core/Tag/ITag.cs
index 9aca77bc5..259d83648 100644
--- a/Assets/BITKit/Core/Tag/ITag.cs
+++ b/Assets/BITKit/Core/Tag/ITag.cs
@@ -1,8 +1,10 @@
+using System.Collections.Generic;
+
 namespace BITKit
 {
     public interface ITag
     {
         int Hash { get; }
-        string[] GetTags();
+        IReadOnlyCollection<string> Tags { get; }
     }
 }
\ No newline at end of file
diff --git a/Assets/BITKit/Core/Ticker/ITicker.cs b/Assets/BITKit/Core/Ticker/ITicker.cs
index aeb78e1c5..25ea00049 100644
--- a/Assets/BITKit/Core/Ticker/ITicker.cs
+++ b/Assets/BITKit/Core/Ticker/ITicker.cs
@@ -41,7 +41,7 @@ namespace BITKit
     /// <summary>
     /// 异步循环
     /// </summary>
-    public interface IAsyncTicker
+    public interface IAsyncTicker:IDisposable
     {
         ulong TickCount { get; }
         int TickRate { get; set; }
@@ -183,6 +183,7 @@ namespace BITKit
 
         public void Dispose()
         {
+            OnTickAsync = null;
             _isDisposed = true;
             _timer.Stop();
             _timer.Dispose();
diff --git a/Assets/BITKit/Unity/Scripts/Tag/Tag.cs b/Assets/BITKit/Unity/Scripts/Tag/Tag.cs
index 74547157e..a443122b9 100644
--- a/Assets/BITKit/Unity/Scripts/Tag/Tag.cs
+++ b/Assets/BITKit/Unity/Scripts/Tag/Tag.cs
@@ -8,19 +8,10 @@ namespace BITKit
 {
     public class Tag : MonoBehaviour,ITag
     {
-        [Header(Constant.Header.Settings)]
-        [Tooltip("It's will be deprecated in the future, use reference instead.")]
-        [SerializeField]  private string[] tags;
-        [Tooltip("Disable when tags is not empty")]
         [SerializeReference,SubclassSelector] private IReference[] reference;
-        public int Hash => _id is 0 ? _id = MathE.GetHash(GetTags()) : _id;
+        public int Hash => _id is 0 ? _id = MathE.GetHash(Tags) : _id;
         private int _id;
-        public string[] GetTags() => CacheTags ??= reference?.Length > 0 ? reference.Select(x => x.Value).ToArray() : tags;
-        private string[] CacheTags;
-        public void SetTags(IReference[] newReference)
-        {
-            reference = newReference;
-            CacheTags = null;
-        }
+        public  IReadOnlyCollection<string> Tags=> _cacheTags ??= reference.Select(x => x.Value).ToArray();
+        private string[] _cacheTags;
     }
 }
\ No newline at end of file