diff --git a/src/admin/Bootstrap.Admin/Pages/Components/DefaultLayoutComponentBase.cs b/src/admin/Bootstrap.Admin/Pages/Components/DefaultLayoutComponentBase.cs
index 27887919..649773b4 100644
--- a/src/admin/Bootstrap.Admin/Pages/Components/DefaultLayoutComponentBase.cs
+++ b/src/admin/Bootstrap.Admin/Pages/Components/DefaultLayoutComponentBase.cs
@@ -115,11 +115,17 @@ namespace Bootstrap.Admin.Pages.Components
         /// <summary>
         /// 设置参数方法
         /// </summary>
-        protected override void OnParametersSet()
+        public override Task SetParametersAsync(ParameterView parameters)
         {
-            RequestUrl = new UriBuilder(NavigationManager?.Uri ?? "").Path;
-            Model = new NavigatorBarModel(UserName, RequestUrl.ToMvcMenuUrl());
-            DisplayName = Model.DisplayName;
+            parameters.SetParameterProperties(this);
+            if (NavigationManager != null)
+            {
+                RequestUrl = new UriBuilder(NavigationManager.Uri).Path;
+                Model = new NavigatorBarModel(UserName, RequestUrl.ToMvcMenuUrl());
+                DisplayName = Model.DisplayName;
+                HomeUrl = NavigationManager.ToBlazorLink(HomeUrl);
+            }
+            return base.SetParametersAsync(ParameterView.Empty);
         }
 
         /// <summary>
diff --git a/src/admin/Bootstrap.Admin/Pages/Components/SideBarBase.cs b/src/admin/Bootstrap.Admin/Pages/Components/SideBarBase.cs
index 26f718ab..58fc6646 100644
--- a/src/admin/Bootstrap.Admin/Pages/Components/SideBarBase.cs
+++ b/src/admin/Bootstrap.Admin/Pages/Components/SideBarBase.cs
@@ -25,7 +25,7 @@ namespace Bootstrap.Admin.Pages.Components
         /// 获得 根模板页实例
         /// </summary>
         [CascadingParameter(Name = "Default")]
-        public DefaultLayout RootLayout { get; protected set; } = new DefaultLayout();
+        public DefaultLayout? RootLayout { get; protected set; }
 
         /// <summary>
         /// 获得/设置 用户显示名称
diff --git a/src/admin/Bootstrap.Admin/Pages/Shared/SideBar.razor b/src/admin/Bootstrap.Admin/Pages/Shared/SideBar.razor
index 0a3ed0d4..f3edeba9 100644
--- a/src/admin/Bootstrap.Admin/Pages/Shared/SideBar.razor
+++ b/src/admin/Bootstrap.Admin/Pages/Shared/SideBar.razor
@@ -3,7 +3,7 @@
 <aside class="@Model.ShowSideBar">
     <div class="bg"></div>
     <div class="nav-brand justify-content-center">
-        <a href="@NavigationManager.ToBlazorLink(RootLayout.HomeUrl)">
+        <a href="@RootLayout?.HomeUrl">
             <img src="@Model.WebSiteLogo.ToBlazorLink()" />
             <span>@Model.Title</span>
         </a>