diff --git a/GFramework.Core/Extensions/ContextAwareServiceExtensions.cs b/GFramework.Core/Extensions/ContextAwareServiceExtensions.cs
index cb82199..2b0b8ec 100644
--- a/GFramework.Core/Extensions/ContextAwareServiceExtensions.cs
+++ b/GFramework.Core/Extensions/ContextAwareServiceExtensions.cs
@@ -37,6 +37,7 @@ public static class ContextAwareServiceExtensions
/// 实现 IContextAware 接口的对象
/// 指定类型的系统实例
/// 当 contextAware 为 null 时抛出
+ /// 当指定系统未注册时抛出
public static TSystem GetSystem(this IContextAware contextAware) where TSystem : class, ISystem
{
ArgumentNullException.ThrowIfNull(contextAware);
@@ -52,6 +53,7 @@ public static class ContextAwareServiceExtensions
/// 实现 IContextAware 接口的对象
/// 指定类型的模型实例
/// 当 contextAware 为 null 时抛出
+ /// 当指定模型未注册时抛出
public static TModel GetModel(this IContextAware contextAware) where TModel : class, IModel
{
ArgumentNullException.ThrowIfNull(contextAware);
@@ -67,6 +69,7 @@ public static class ContextAwareServiceExtensions
/// 实现 IContextAware 接口的对象
/// 指定类型的工具实例
/// 当 contextAware 为 null 时抛出
+ /// 当指定工具未注册时抛出
public static TUtility GetUtility(this IContextAware contextAware) where TUtility : class, IUtility
{
ArgumentNullException.ThrowIfNull(contextAware);