diff --git a/src/Semi.Avalonia/Controls/Menu.axaml b/src/Semi.Avalonia/Controls/Menu.axaml
index dddc916..ab16440 100644
--- a/src/Semi.Avalonia/Controls/Menu.axaml
+++ b/src/Semi.Avalonia/Controls/Menu.axaml
@@ -10,73 +10,83 @@
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Template">
             <ControlTemplate TargetType="ScrollViewer">
-                <DockPanel>
-                    <DockPanel.Styles>
-                        <Style Selector="RepeatButton:pressed">
-                            <Setter Property="RenderTransform" Value="{x:Null}" />
-                        </Style>
-                    </DockPanel.Styles>
-                    <RepeatButton
-                        HorizontalAlignment="Stretch"
-                        HorizontalContentAlignment="Center"
-                        Background="Transparent"
-                        BorderThickness="0"
-                        Command="{Binding LineUp, RelativeSource={RelativeSource TemplatedParent}}"
-                        CornerRadius="0"
-                        DockPanel.Dock="Top"
-                        RenderTransform="{x:Null}">
-                        <RepeatButton.IsVisible>
-                            <MultiBinding Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}" ConverterParameter="0">
-                                <ReflectionBinding Path="VerticalScrollBarVisibility" RelativeSource="{RelativeSource TemplatedParent}" />
-                                <ReflectionBinding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
-                                <ReflectionBinding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                                <ReflectionBinding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                            </MultiBinding>
-                        </RepeatButton.IsVisible>
-                        <PathIcon
-                            Width="8"
-                            Height="8"
-                            Data="{DynamicResource MenuScrollViewerUpButtonGlyph}"
-                            Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
-                    </RepeatButton>
-                    <RepeatButton
-                        HorizontalAlignment="Stretch"
-                        HorizontalContentAlignment="Center"
-                        Background="Transparent"
-                        BorderThickness="0"
-                        Command="{Binding LineDown, RelativeSource={RelativeSource TemplatedParent}}"
-                        CornerRadius="0"
-                        DockPanel.Dock="Bottom"
-                        RenderTransform="{x:Null}">
-                        <RepeatButton.IsVisible>
-                            <MultiBinding Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}" ConverterParameter="100">
-                                <ReflectionBinding Path="VerticalScrollBarVisibility" RelativeSource="{RelativeSource TemplatedParent}" />
-                                <ReflectionBinding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
-                                <ReflectionBinding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                                <ReflectionBinding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                            </MultiBinding>
-                        </RepeatButton.IsVisible>
-                        <PathIcon
-                            Width="8"
-                            Height="8"
-                            Data="{DynamicResource MenuScrollViewerDownButtonGlyph}"
-                            Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
-                    </RepeatButton>
-                    <ScrollContentPresenter
-                        Name="PART_ContentPresenter"
-                        Margin="{TemplateBinding Padding}"
-                        HorizontalSnapPointsAlignment="{TemplateBinding HorizontalSnapPointsAlignment}"
-                        HorizontalSnapPointsType="{TemplateBinding HorizontalSnapPointsType}"
-                        VerticalSnapPointsAlignment="{TemplateBinding VerticalSnapPointsAlignment}"
-                        VerticalSnapPointsType="{TemplateBinding VerticalSnapPointsType}">
-                        <ScrollContentPresenter.GestureRecognizers>
-                            <ScrollGestureRecognizer
-                                CanHorizontallyScroll="{Binding CanHorizontallyScroll, ElementName=PART_ContentPresenter}"
-                                CanVerticallyScroll="{Binding CanVerticallyScroll, ElementName=PART_ContentPresenter}"
-                                IsScrollInertiaEnabled="{Binding IsScrollInertiaEnabled, RelativeSource={RelativeSource TemplatedParent}}" />
-                        </ScrollContentPresenter.GestureRecognizers>
-                    </ScrollContentPresenter>
-                </DockPanel>
+                <Border 
+                    ClipToBounds="True"
+                    CornerRadius="{TemplateBinding CornerRadius}">
+                    <DockPanel>
+                        <DockPanel.Styles>
+                            <Style Selector="RepeatButton:pressed">
+                                <Setter Property="RenderTransform" Value="{x:Null}" />
+                            </Style>
+                        </DockPanel.Styles>
+                        <RepeatButton
+                            HorizontalAlignment="Stretch"
+                            HorizontalContentAlignment="Center"
+                            Background="Transparent"
+                            BorderThickness="0"
+                            Command="{Binding LineUp, RelativeSource={RelativeSource TemplatedParent}}"
+                            CornerRadius="0"
+                            DockPanel.Dock="Top"
+                            RenderTransform="{x:Null}">
+                            <RepeatButton.IsVisible>
+                                <MultiBinding
+                                    Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}"
+                                    ConverterParameter="0">
+                                    <Binding Path="VerticalScrollBarVisibility"
+                                             RelativeSource="{RelativeSource TemplatedParent}" />
+                                    <Binding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
+                                    <Binding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                                    <Binding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                                </MultiBinding>
+                            </RepeatButton.IsVisible>
+                            <PathIcon
+                                Width="8"
+                                Height="8"
+                                Data="{DynamicResource MenuScrollViewerUpButtonGlyph}"
+                                Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
+                        </RepeatButton>
+                        <RepeatButton
+                            HorizontalAlignment="Stretch"
+                            HorizontalContentAlignment="Center"
+                            Background="Transparent"
+                            BorderThickness="0"
+                            Command="{Binding LineDown, RelativeSource={RelativeSource TemplatedParent}}"
+                            CornerRadius="0"
+                            DockPanel.Dock="Bottom"
+                            RenderTransform="{x:Null}">
+                            <RepeatButton.IsVisible>
+                                <MultiBinding
+                                    Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}"
+                                    ConverterParameter="100">
+                                    <Binding Path="VerticalScrollBarVisibility"
+                                             RelativeSource="{RelativeSource TemplatedParent}" />
+                                    <Binding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
+                                    <Binding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                                    <Binding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                                </MultiBinding>
+                            </RepeatButton.IsVisible>
+                            <PathIcon
+                                Width="8"
+                                Height="8"
+                                Data="{DynamicResource MenuScrollViewerDownButtonGlyph}"
+                                Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
+                        </RepeatButton>
+                        <ScrollContentPresenter
+                            Name="PART_ContentPresenter"
+                            Margin="{TemplateBinding Padding}"
+                            HorizontalSnapPointsAlignment="{TemplateBinding HorizontalSnapPointsAlignment}"
+                            HorizontalSnapPointsType="{TemplateBinding HorizontalSnapPointsType}"
+                            VerticalSnapPointsAlignment="{TemplateBinding VerticalSnapPointsAlignment}"
+                            VerticalSnapPointsType="{TemplateBinding VerticalSnapPointsType}">
+                            <ScrollContentPresenter.GestureRecognizers>
+                                <ScrollGestureRecognizer
+                                    CanHorizontallyScroll="{Binding CanHorizontallyScroll, ElementName=PART_ContentPresenter}"
+                                    CanVerticallyScroll="{Binding CanVerticallyScroll, ElementName=PART_ContentPresenter}"
+                                    IsScrollInertiaEnabled="{Binding IsScrollInertiaEnabled, RelativeSource={RelativeSource TemplatedParent}}" />
+                            </ScrollContentPresenter.GestureRecognizers>
+                        </ScrollContentPresenter>
+                    </DockPanel>
+                </Border>
             </ControlTemplate>
         </Setter>
     </ControlTheme>
diff --git a/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml b/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml
index 71bbba5..c727b68 100644
--- a/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml
+++ b/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml
@@ -2,7 +2,21 @@
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     x:CompileBindings="True">
-    <!--  Add Resources Here  -->
+    <Design.PreviewWith>
+        <ThemeVariantScope RequestedThemeVariant="Dark">
+            <MenuFlyoutPresenter>
+                <MenuFlyoutPresenter.Items>
+                    <MenuItem Header="Menu Item 1" />
+                    <MenuItem Header="Menu Item 2" />
+                    <MenuItem Header="Menu Item 3" />
+                    <MenuItem Header="Menu Item 4" />
+                    <MenuItem Header="Menu Item 5" />
+                    <MenuItem Header="Menu Item 6" />
+                </MenuFlyoutPresenter.Items>
+            </MenuFlyoutPresenter>
+        </ThemeVariantScope>
+    </Design.PreviewWith>
+
     <ControlTheme x:Key="{x:Type MenuFlyoutPresenter}" TargetType="MenuFlyoutPresenter">
         <Setter Property="MenuFlyoutPresenter.Background" Value="{DynamicResource MenuFlyoutBackground}" />
         <Setter Property="MenuFlyoutPresenter.BorderBrush" Value="{DynamicResource MenuFlyoutBorderBrush}" />
@@ -23,12 +37,13 @@
                     BorderBrush="{TemplateBinding BorderBrush}"
                     BorderThickness="{TemplateBinding BorderThickness}"
                     BoxShadow="{DynamicResource MenuFlyoutBorderBoxShadow}"
-                    ClipToBounds="False"
+                    ClipToBounds="True"
                     CornerRadius="{TemplateBinding CornerRadius}"
                     UseLayoutRounding="False">
                     <ScrollViewer
-                        HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
                         Theme="{StaticResource MenuScrollViewer}"
+                        CornerRadius="{TemplateBinding CornerRadius}"
+                        HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
                         VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
                         <ItemsPresenter
                             Name="PART_ItemsPresenter"
diff --git a/src/Semi.Avalonia/Themes/Shared/Menu.axaml b/src/Semi.Avalonia/Themes/Shared/Menu.axaml
index bafdddb..a8e9201 100644
--- a/src/Semi.Avalonia/Themes/Shared/Menu.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/Menu.axaml
@@ -4,7 +4,7 @@
     <StreamGeometry x:Key="MenuItemExpandIconGlyph">M7.43934 19.7957C6.85355 19.2099 6.85355 18.2601 7.43934 17.6744L13.0962 12.0175L7.43934 6.36065C6.85355 5.77486 6.85355 4.82511 7.43934 4.23933C8.02513 3.65354 8.97487 3.65354 9.56066 4.23933L16.2782 10.9568C16.864 11.5426 16.864 12.4924 16.2782 13.0782L9.56066 19.7957C8.97487 20.3815 8.02513 20.3815 7.43934 19.7957Z</StreamGeometry>
     <!--  MenuFlyout  -->
     <Thickness x:Key="MenuFlyoutBorderThickness">1</Thickness>
-    <Thickness x:Key="MenuFlyoutPadding">8</Thickness>
+    <Thickness x:Key="MenuFlyoutPadding">0</Thickness>
     <CornerRadius x:Key="MenuFlyoutCornerRadius">6</CornerRadius>
     <x:Double x:Key="MenuFlyoutMinHeight">16</x:Double>
     <x:Double x:Key="MenuFlyoutMinWidth">100</x:Double>