diff --git a/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor b/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor
index 78f998a4..5bed5534 100644
--- a/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor
+++ b/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor
@@ -1,8 +1,8 @@
 @page "/Admin/Menus"
 
 <AdminTable TItem="DataAccess.Models.Navigation"
-            IsTree="true" OnTreeExpand="OnTreeExpand" TreeNodeConverter="TreeNodeConverter" ExtendButtonColumnWidth="200"
-            CustomerSearchModel="SearchModel" OnQueryAsync="OnQueryAsync">
+            IsTree="true" OnTreeExpand="OnTreeExpand" TreeNodeConverter="TreeNodeConverter" ModelEqualityComparer="ModelEqualityComparer"
+            ExtendButtonColumnWidth="200" CustomerSearchModel="SearchModel" OnQueryAsync="OnQueryAsync">
     <TableToolbarTemplate>
         <TableToolbarButton TItem="DataAccess.Models.Navigation" Color="Color.Info" Icon="fa fa-sitemap" Text="分配角色" 
             IsEnableWhenSelectedOneRow="true" IsShow="@AuthorizeButton("assignRole")" 
diff --git a/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor.cs b/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor.cs
index 6942be29..ed2de51c 100644
--- a/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor.cs
+++ b/src/blazor/admin/BootstrapAdmin.Web/Pages/Admin/Menus.razor.cs
@@ -141,12 +141,12 @@ public partial class Menus
             ret.AddRange(items.Where(i => i.ParentId == parentId).Select((nav, index) => new TableTreeNode<Navigation>(nav)
             {
                 HasChildren = navs.Any(i => i.ParentId == nav.Id),
-                IsExpand = false,
-                //  获得子项集合 
-                //  IsExpand = navs.Any(i => i.ParentId == nav.Id)
-                //  Items = BuildTreeNodes(navs.Where(i => i.ParentId == nav.Id), nav.Id)
+                IsExpand = navs.Any(i => i.ParentId == nav.Id),
+                Items = BuildTreeNodes(navs.Where(i => i.ParentId == nav.Id), nav.Id)
             }));
             return ret;
         }
     }
+
+    private bool ModelEqualityComparer(Navigation x, Navigation y) => x.Id == y.Id;
 }