diff --git a/docs/en/Tutorials/Part-9.md b/docs/en/Tutorials/Part-9.md
index 1fb4d0e703..1ea6e5507d 100644
--- a/docs/en/Tutorials/Part-9.md
+++ b/docs/en/Tutorials/Part-9.md
@@ -844,6 +844,7 @@ Create a new Razor Component Page, `/Pages/Authors.razor`, in the `Acme.BookStor
 @page "/authors"
 @using Acme.BookStore.Authors
 @using Acme.BookStore.Localization
+@using Volo.Abp.AspNetCore.Components.Web
 @inherits BookStoreComponentBase
 @inject IAuthorAppService AuthorAppService
 @inject AbpBlazorMessageLocalizerHelper<BookStoreResource> LH