diff --git a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml
index 38daad78b0..f74a47fb50 100644
--- a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml
+++ b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml
@@ -87,7 +87,7 @@
                                         </label>
                                     </div>
 
-                                    <select asp-items="Model.ProjectSelectItems" class="form-control" onchange="window.location.replace(this.value)"></select>
+                                    <select asp-items="Model.ProjectSelectItems" class="form-control" onchange="window.location.pathname = this.value"></select>
                                 </div>
                             </div>
                         </div>
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 1b5c446e04..d35e60fd5e 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
@@ -187,7 +187,7 @@ namespace Volo.Docs.Pages.Documents.Project
             ProjectSelectItems = projects.Items.Select(p => new SelectListItem
             {
                 Text = p.Name,
-                Value = p.Id != Project.Id ? "/" + DocumentsUrlPrefix + LanguageCode + "/" + p.ShortName + "/" + DocsAppConsts.Latest : null,
+                Value = p.Id != Project.Id ? DocumentsUrlPrefix + LanguageCode + "/" + p.ShortName + "/" + DocsAppConsts.Latest : null,
                 Selected = p.Id == Project.Id
             }).ToList();
         }