diff --git a/Falcon.SugarApi.Test/CronExpressionTests.cs b/Falcon.SugarApi.Test/CronExpressionTests.cs
index 421790d..760eeda 100644
--- a/Falcon.SugarApi.Test/CronExpressionTests.cs
+++ b/Falcon.SugarApi.Test/CronExpressionTests.cs
@@ -1,5 +1,4 @@
-using Falcon.SugarApi.TimedBackgroundTask;
-using Microsoft.AspNetCore.Mvc.TagHelpers;
+using Falcon.SugarApi.TimedTask;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;