diff --git a/GFramework.Core/architecture/Architecture.cs b/GFramework.Core/architecture/Architecture.cs
index 71c72ea..25ab46a 100644
--- a/GFramework.Core/architecture/Architecture.cs
+++ b/GFramework.Core/architecture/Architecture.cs
@@ -5,7 +5,6 @@ using System.Threading.Tasks;
 using GFramework.Core.Abstractions.architecture;
 using GFramework.Core.Abstractions.enums;
 using GFramework.Core.Abstractions.environment;
-using GFramework.Core.Abstractions.events;
 using GFramework.Core.Abstractions.ioc;
 using GFramework.Core.Abstractions.lifecycle;
 using GFramework.Core.Abstractions.logging;
@@ -13,7 +12,6 @@ using GFramework.Core.Abstractions.model;
 using GFramework.Core.Abstractions.system;
 using GFramework.Core.Abstractions.utility;
 using GFramework.Core.environment;
-using GFramework.Core.events;
 using GFramework.Core.extensions;
 using GFramework.Core.logging;
 using IDisposable = GFramework.Core.Abstractions.lifecycle.IDisposable;
diff --git a/GFramework.Core/architecture/GameContext.cs b/GFramework.Core/architecture/GameContext.cs
index f31460b..334135b 100644
--- a/GFramework.Core/architecture/GameContext.cs
+++ b/GFramework.Core/architecture/GameContext.cs
@@ -1,4 +1,7 @@
-using System.Collections.Concurrent;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
 using GFramework.Core.Abstractions.architecture;
 
 namespace GFramework.Core.architecture;
diff --git a/GFramework.Core/events/EasyEventGeneric.cs b/GFramework.Core/events/EasyEventGeneric.cs
index ede45ba..3af9e76 100644
--- a/GFramework.Core/events/EasyEventGeneric.cs
+++ b/GFramework.Core/events/EasyEventGeneric.cs
@@ -1,4 +1,5 @@
-using GFramework.Core.Abstractions.events;
+using System;
+using GFramework.Core.Abstractions.events;
 
 namespace GFramework.Core.events;
 
diff --git a/GFramework.Core/extensions/ObjectExtensions.cs b/GFramework.Core/extensions/ObjectExtensions.cs
index be3f672..243e2a0 100644
--- a/GFramework.Core/extensions/ObjectExtensions.cs
+++ b/GFramework.Core/extensions/ObjectExtensions.cs
@@ -1,4 +1,6 @@
-namespace GFramework.Core.extensions;
+using System;
+
+namespace GFramework.Core.extensions;
 
 /// <summary>
 ///     提供基于运行时类型判断的对象扩展方法，