1

Assets/BITKit/Core/Applation/BITApp.cs

@@ -287,7 +287,9 @@ namespace BITKit
                 BIT4Log.Warning<BITApp>($"{nameof(BITApp)}初始化错误:");
                 BIT4Log.LogException(e);
             }
-
+            #if NET5_0_OR_GREATER
+            ServiceProvider = ServiceCollection.BuildServiceProvider();
+#endif
         }
         public static void Stop()
         {

Assets/BITKit/Core/ECS/EntityComponentSystem.cs

@@ -17,6 +17,9 @@ namespace BITKit.Entities
         IEntityComponent[] Components { get; }
         bool RegisterComponent<T>(T component);
         IServiceProvider ServiceProvider { get; }
+        #if NET5_0_OR_GREATER
+        IServiceCollection ServiceCollection { get; }
+        #endif
         void Inject(object obj);
     }
     /// <summary>

Assets/BITKit/Core/Group/ActivableGroup.cs

@@ -65,9 +65,9 @@ namespace BITKit
         public bool TryGetEntried(out T value)
         {
             EnsureConfiguration();
-            if (index is not -1)
+            if (m_index is not -1)
             {
-                value = list[index];
+                value = list[m_index];
                 return true;
             }
             value = default;
@@ -86,7 +86,6 @@ namespace BITKit
                 else
                 {
                     var currentIndex = m_index;
-                    m_index = index;
                     if (currentIndex is not -1 && list.TryGetElementAt(currentIndex, out var currentElement))
                     {
                         currentElement.Exit();
@@ -100,7 +99,7 @@ namespace BITKit
                         currentElement.IsEntered = false;
                         OnExit?.Invoke(currentElement);
                     }
-
+                    m_index = index;
                     if (index is not -1 && list.TryGetElementAt(index, out var nextElement))
                     {
                         nextElement.IsEntered = true;