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 1cdfe7ca2e..dc1ca956ed 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
@@ -126,7 +126,7 @@
 
                             @if (Model.LanguageSelectListItems.Count > 1)
                             {
-                                <div class="col-5  @(Model.VersionSelectItems.Any()?"pl-0":"")">
+                                <div class="@(Model.VersionSelectItems.Any()?"col-5":"col") @(Model.VersionSelectItems.Any()?"pl-0":"")">
                                     <div class="docs-version docs-language @(Model.VersionSelectItems.Any()?"pl-1":"")">
                                         <div class="version-select">
                                             <div class="input-group">