diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic/Themes/Basic/Components/Toolbar/UserMenu/Default.cshtml b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic/Themes/Basic/Components/Toolbar/UserMenu/Default.cshtml
index c30c7b6a0b..329737c3d2 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic/Themes/Basic/Components/Toolbar/UserMenu/Default.cshtml
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic/Themes/Basic/Components/Toolbar/UserMenu/Default.cshtml
@@ -14,7 +14,7 @@
 
     @if (Model.Items.Any())
     {
-        <div class="dropdown-menu" aria-labelledby="dropdownMenuLink">
+        <div class="dropdown-menu dropdown-menu-right" aria-labelledby="dropdownMenuLink">
             @foreach (var menuItem in Model.Items)
             {
                 var elementId = string.IsNullOrEmpty(menuItem.ElementId) ? string.Empty : $"id=\"{menuItem.ElementId}\"";
@@ -27,4 +27,4 @@
             }
         </div>
     }
-</div>
\ No newline at end of file
+</div>