1

Src/Core/ECS/EntitiesService.cs

@@ -52,7 +52,7 @@ namespace BITKit.Entities
         {
             while (_onAddQueue.TryDequeue(out var entity))
             {
-                if(_addingEntities.Remove(entity) is false)continue;
+                if(_addingEntities.Remove(entity) is false || entity.CancellationToken.IsCancellationRequested)continue;
                 OnAdd?.Invoke(entity);
                 MakeCache(entity);
             }

Src/Core/Mathematics/MathE.cs

@@ -113,6 +113,19 @@ namespace BITKit
             }
             return false;
         }
+
+
+        public static bool Contains<T>(this Span<T> span, T value)
+        {
+            foreach (var t in span)
+            {
+                if (Equals(t, value))
+                    return true;
+            }
+
+            return false;
+        }
+
         public static bool Contains<T>(IEnumerable<T> a, IEnumerable<T> b)
         {
             foreach (var x in b)

Src/Core/Tween/BITween.cs

@@ -5,6 +5,9 @@ using System.Threading;
 using System.Threading.Tasks;
 using Cysharp.Threading.Tasks;
 using Unity.Mathematics;
+#if UNITY_5_3_OR_NEWER
+using UnityEngine;
+#endif
 
 namespace BITKit.Tween
 {
@@ -68,7 +71,13 @@ namespace BITKit.Tween
 			//BIT4Log.Log<TweenSequence>($"已创建Tween,from:[{from}]to:[{to}]duration:[{duration}]delta:[{delta}]");
 			while (t < 1 && cancellationToken.IsCancellationRequested is false)
 			{
-				t = math.clamp(t + delta*BITApp.Time.DeltaTime, 0, 1);
+				var value = t + delta * BITApp.Time.DeltaTime;
+			
+#if UNITY_5_3_OR_NEWER
+				value = t+ delta * Time.deltaTime;
+				#endif
+				
+				t = math.clamp(value, 0, 1);
 				var next = func(from, to, t);
 #if UNITY_5_3_OR_NEWER
 				await UniTask.NextFrame(cancellationToken);