diff --git a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/HtmlNormalizer.cs b/modules/docs/src/Volo.Docs.Web/HtmlConverting/HtmlNormalizer.cs
similarity index 97%
rename from modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/HtmlNormalizer.cs
rename to modules/docs/src/Volo.Docs.Web/HtmlConverting/HtmlNormalizer.cs
index 248784a753..ed3f999614 100644
--- a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/HtmlNormalizer.cs
+++ b/modules/docs/src/Volo.Docs.Web/HtmlConverting/HtmlNormalizer.cs
@@ -2,7 +2,7 @@
 using System.Text.RegularExpressions;
 using Volo.Docs.Utils;
 
-namespace Volo.Docs.Pages.Documents.Project
+namespace Volo.Docs.HtmlConverting
 {
     public static class HtmlNormalizer
     {
diff --git a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
index f7c8a9ffdc..cc0d113de3 100644
--- a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
+++ b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.AspNetCore.Mvc.RazorPages;
 using Microsoft.AspNetCore.Mvc.Rendering;
 using Volo.Abp.AspNetCore.Mvc.UI.RazorPages;
 using Volo.Docs.Documents;