diff --git a/GFramework.Core.Tests/architecture/ArchitectureContextTests.cs b/GFramework.Core.Tests/architecture/ArchitectureContextTests.cs
index 1fc270c..d1a208f 100644
--- a/GFramework.Core.Tests/architecture/ArchitectureContextTests.cs
+++ b/GFramework.Core.Tests/architecture/ArchitectureContextTests.cs
@@ -129,7 +129,7 @@ public class ArchitectureContextTests
     public void SendQuery_Should_ThrowArgumentNullException_When_Query_IsNull()
     {
         // 明确指定调用旧的 IQuery<int> 重载
-        Assert.That(() => _context!.SendQuery((Mediator.IQuery<int>)null!),
+        Assert.That(() => _context!.SendQuery((IQuery<int>)null!),
             Throws.ArgumentNullException.With.Property("ParamName").EqualTo("query"));
     }