diff --git a/src/BootstrapBlazor/Components/Layout/Layout.razor.cs b/src/BootstrapBlazor/Components/Layout/Layout.razor.cs
index c268d624814..170faf5e008 100644
--- a/src/BootstrapBlazor/Components/Layout/Layout.razor.cs
+++ b/src/BootstrapBlazor/Components/Layout/Layout.razor.cs
@@ -491,8 +491,8 @@ protected override async Task OnInitializedAsync()
             // wasm 模式下 开启权限必须提供 AdditionalAssemblies 参数
             AdditionalAssemblies ??= [Assembly.GetEntryAssembly()!];
 
-            var url = Navigation.ToBaseRelativePath(Navigation.Uri);
-            var context = RouteTableFactory.Create(AdditionalAssemblies, url);
+            var uri= Navigation.ToAbsoluteUri(Navigation.Uri);
+            var context = RouteTableFactory.Create(AdditionalAssemblies, uri.LocalPath);
             if (context.Handler != null)
             {
                 IsAuthenticated = await context.Handler.IsAuthorizedAsync(ServiceProvider, AuthenticationStateTask, Resource);
diff --git a/src/BootstrapBlazor/Components/Tab/Tab.razor.js b/src/BootstrapBlazor/Components/Tab/Tab.razor.js
index 346f939abb2..f3babf65e5e 100644
--- a/src/BootstrapBlazor/Components/Tab/Tab.razor.js
+++ b/src/BootstrapBlazor/Components/Tab/Tab.razor.js
@@ -56,6 +56,9 @@ const active = tab => {
     resize(tab)
 
     const activeTab = tab.tabNav.querySelector('.tabs-item-wrap.active')
+    if (activeTab === null) {
+        return
+    }
     if (activeTab) {
         if (tab.vertical) {
             const top = getPosition(activeTab).top - getPosition(activeTab.parentNode).top + activeTab.offsetHeight
@@ -69,7 +72,6 @@ const active = tab => {
             }
         }
         else {
-            // mark sure display total active tabitem
             const right = getPosition(activeTab).left - getPosition(activeTab.parentNode).left + activeTab.offsetWidth
             const navWidth = tab.scroll.offsetWidth
             const marginX = navWidth - right + 2