diff --git a/framework/test/Volo.Abp.AspNetCore.MultiTenancy.Tests/Volo/Abp/AspNetCore/MultiTenancy/AspNetCoreMultiTenancyTestBase.cs b/framework/test/Volo.Abp.AspNetCore.MultiTenancy.Tests/Volo/Abp/AspNetCore/MultiTenancy/AspNetCoreMultiTenancyTestBase.cs
index 9dc083b3f1..ecc9d055ca 100644
--- a/framework/test/Volo.Abp.AspNetCore.MultiTenancy.Tests/Volo/Abp/AspNetCore/MultiTenancy/AspNetCoreMultiTenancyTestBase.cs
+++ b/framework/test/Volo.Abp.AspNetCore.MultiTenancy.Tests/Volo/Abp/AspNetCore/MultiTenancy/AspNetCoreMultiTenancyTestBase.cs
@@ -1,8 +1,7 @@
-using Volo.Abp.AspNetCore.App;
 
 namespace Volo.Abp.AspNetCore.MultiTenancy
 {
-    public abstract class AspNetCoreMultiTenancyTestBase : AbpAspNetCoreTestBase<Startup>
+    public abstract class AspNetCoreMultiTenancyTestBase : AbpAspNetCoreTestBase<App.Startup>
     {
 
     }