diff --git a/Pages/WebViewPage.xaml b/Pages/WebViewPage.xaml
index 66c14d7..405ac27 100644
--- a/Pages/WebViewPage.xaml
+++ b/Pages/WebViewPage.xaml
@@ -30,13 +30,13 @@
                     Key="Left" Modifiers="Menu"
                     IconGlyph=""
                     ButtonClicked="UriGoBackRequest"
-                    IsEnabled="{Binding ElementName=EdgeWebViewEngine, Path=CanGoBack, Mode=TwoWay}"/>
+                    IsEnabled="{Binding ElementName=WebViewEngine, Path=CanGoBack, Mode=TwoWay}"/>
                 <local:IconButton
                     TipText="继续 (Alt+向右键)"
                     Key="Right" Modifiers="Menu"
                     IconGlyph="&#xe72a;"
                     ButtonClicked="UriGoForwardRequest"
-                    Visibility="{Binding ElementName=EdgeWebViewEngine, Path=CanGoForward, Mode=TwoWay}"/>
+                    Visibility="{Binding ElementName=WebViewEngine, Path=CanGoForward, Mode=TwoWay}"/>
                 <local:IconButton
                     TipText="刷新 (Ctrl+R)"
                     Key="R" Modifiers="Control"
@@ -66,18 +66,18 @@
 
         <local:FavoriteList Grid.Row="1"/>
 
-        <WebView2 Name="EdgeWebViewEngine" CoreWebView2Initialized="WebView2Initialized" Grid.Row="2"/>
-
-        <Grid
-            x:Name="splitGrid"
-            Grid.Row="2"
-            Visibility="Collapsed">
+        <Grid Grid.Row="2">
             <Grid.ColumnDefinitions>
-                <ColumnDefinition />
-                <ColumnDefinition />
+                <ColumnDefinition x:Name="leftColumn" Width="*" />
+                <ColumnDefinition x:Name="rightColumn" Width="0" />
             </Grid.ColumnDefinitions>
 
-            <WebView2 Source="https://www.bing.com/" Grid.Column="1" />
+            <WebView2 x:Name="WebViewEngine" CoreWebView2Initialized="WebView2Initialized" />
+            <WebView2
+                x:Name="RightWebView"
+                Visibility="Collapsed"
+                CoreWebView2Initialized="WebView2Initialized"
+                Grid.Column="1" />
             <controls:GridSplitter
                 Grid.Column="1"
                 Width="16"
@@ -91,11 +91,14 @@
         </Grid>
 
         <Border
-            Background="{ThemeResource LayerOnMicaBaseAltFillColorTertiaryBrush}" CornerRadius="{ThemeResource ControlCornerRadius}"
-            MaxWidth="400" Height="24" Grid.Row="2"
+            Grid.Row="2"
+            Background="{ThemeResource LayerOnMicaBaseAltFillColorTertiaryBrush}"
+            CornerRadius="{ThemeResource ControlCornerRadius}"
+            MaxWidth="400"
             HorizontalAlignment="Left" VerticalAlignment="Bottom">
             <TextBlock
-                Name="uriPreview" TextTrimming="CharacterEllipsis" FontSize="12"
+                Name="uriPreview" TextTrimming="CharacterEllipsis"
+                Margin="0,5,0,5"
                 VerticalAlignment="Center"/>
         </Border>
     </Grid>
diff --git a/Pages/WebViewPage.xaml.cs b/Pages/WebViewPage.xaml.cs
index f0e133c..1614722 100644
--- a/Pages/WebViewPage.xaml.cs
+++ b/Pages/WebViewPage.xaml.cs
@@ -18,7 +18,7 @@ public WebViewPage(Uri WebUri)
         {
             InitializeComponent();
             InitializeToolbarVisibility();
-            EdgeWebViewEngine.Source = WebUri;
+            WebViewEngine.Source = WebUri;
         }
 
         private void InitializeToolbarVisibility()
@@ -28,7 +28,7 @@ private void InitializeToolbarVisibility()
 
         private void WebView2Initialized(WebView2 sender, CoreWebView2InitializedEventArgs args)
         {
-            sender.CoreWebView2.ContextMenuRequested += CoreWebView2_ContextMenuRequested;
+            sender.CoreWebView2.ContextMenuRequested += (s, args) => CoreWebView2_ContextMenuRequested(sender, s, args);
             sender.CoreWebView2.DocumentTitleChanged += CoreWebView2_DocumentTitleChanged;
             sender.CoreWebView2.DOMContentLoaded += CoreWebView2_DOMContentLoaded;
             sender.CoreWebView2.DownloadStarting += CoreWebView2_DownloadStarting;
@@ -170,19 +170,19 @@ private async void CoreWebView2_ScriptDialogOpening(CoreWebView2 sender, CoreWeb
             }    
         }
 
-        private void CoreWebView2_ContextMenuRequested(CoreWebView2 sender, CoreWebView2ContextMenuRequestedEventArgs args)
+        private void CoreWebView2_ContextMenuRequested(UIElement element, CoreWebView2 sender, CoreWebView2ContextMenuRequestedEventArgs args)
         {
             args.Handled = true;
             var deferral = args.GetDeferral();
             var menuFlyout = new MenuFlyout();
 
-            PopulateContextMenuItems(args, args.MenuItems, menuFlyout.Items);
+            CreateMenuItems(args, args.MenuItems, menuFlyout.Items);
 
             menuFlyout.Closed += (s, e) => deferral.Complete();
-            menuFlyout.ShowAt(EdgeWebViewEngine, args.Location);
+            menuFlyout.ShowAt(element, args.Location);
         }
 
-        private void PopulateContextMenuItems(CoreWebView2ContextMenuRequestedEventArgs args, IList<CoreWebView2ContextMenuItem> webMenuItems, IList<MenuFlyoutItemBase> menuItems)
+        private void CreateMenuItems(CoreWebView2ContextMenuRequestedEventArgs args, IList<CoreWebView2ContextMenuItem> webMenuItems, IList<MenuFlyoutItemBase> menuItems)
         {
             foreach (var menuItem in webMenuItems)
             {
@@ -206,7 +206,7 @@ private MenuFlyoutSubItem CreateSubMenuItem(CoreWebView2ContextMenuRequestedEven
                 IsEnabled = menuItem.IsEnabled
             };
 
-            PopulateContextMenuItems(args, menuItem.Children, subItem.Items);
+            CreateMenuItems(args, menuItem.Children, subItem.Items);
             return subItem;
         }
 
@@ -286,15 +286,15 @@ private void CoreWebView2_NewWindowRequested(CoreWebView2 sender, CoreWebView2Ne
 
         private void UriGoBackRequest(object sender, RoutedEventArgs e)
         {
-            if (EdgeWebViewEngine.CanGoBack) EdgeWebViewEngine.GoBack();
+            if (WebViewEngine.CanGoBack) WebViewEngine.GoBack();
         }
 
         private void UriGoForwardRequest(object sender, RoutedEventArgs e)
         {
-            if (EdgeWebViewEngine.CanGoForward) EdgeWebViewEngine.GoForward();
+            if (WebViewEngine.CanGoForward) WebViewEngine.GoForward();
         }
 
-        private void UriRefreshRequest(object sender, RoutedEventArgs e) => EdgeWebViewEngine.Reload();
+        private void UriRefreshRequest(object sender, RoutedEventArgs e) => WebViewEngine.Reload();
 
         public void ShowHomePage(object sender, RoutedEventArgs e)
         {
@@ -307,11 +307,11 @@ public void ShowFlyout(string name)
             toolBar.ShowFlyout(name);
         }
 
-        public WebView2 WebView2 => EdgeWebViewEngine;
+        public WebView2 WebView2 => WebViewEngine;
 
         private void FavoriteStateChanged(object sender, RoutedEventArgs e)
         {
-            WebsiteInfo info = App.settings.Favorites.FirstOrDefault(x => x.Uri.Equals(EdgeWebViewEngine.Source));
+            WebsiteInfo info = App.settings.Favorites.FirstOrDefault(x => x.Uri.Equals(WebViewEngine.Source));
             if (info != null)
             {
                 App.settings.Favorites.Remove(info);
@@ -321,9 +321,9 @@ private void FavoriteStateChanged(object sender, RoutedEventArgs e)
             {
                 WebsiteInfo newInfo = new()
                 {
-                    Name = EdgeWebViewEngine.CoreWebView2.DocumentTitle,
-                    Icon = EdgeWebViewEngine.CoreWebView2.FaviconUri,
-                    Uri = EdgeWebViewEngine.Source
+                    Name = WebViewEngine.CoreWebView2.DocumentTitle,
+                    Icon = WebViewEngine.CoreWebView2.FaviconUri,
+                    Uri = WebViewEngine.Source
                 };
                 App.settings.Favorites.Add(newInfo);
                 InFavoriteList = true;
@@ -345,14 +345,18 @@ private void SetFavoriteIcon()
 
         public void CreateSplitWindow()
         {
-            EdgeWebViewEngine.Visibility = Visibility.Collapsed;
-            WebView2 webView2 = new()
+            leftColumn.Width = new GridLength(1, GridUnitType.Star);
+            if (RightWebView.Visibility == Visibility.Collapsed)
             {
-                Source = EdgeWebViewEngine.Source
-            };
-            splitGrid.Children.Add(webView2);
-            Grid.SetColumn(webView2, 0);
-            splitGrid.Visibility = Visibility.Visible;
+                rightColumn.Width = new GridLength(1, GridUnitType.Star);
+                RightWebView.Source = new("https://www.bing.com/");
+                RightWebView.Visibility = Visibility.Visible;
+            }
+            else
+            {
+                rightColumn.Width = new GridLength(0);
+                RightWebView.Visibility = Visibility.Collapsed;
+            }
         }
     }
 }