diff --git a/BetterGenshinImpact/Assets/Images/banner_4th.jpg b/BetterGenshinImpact/Assets/Images/banner_4th.jpg
deleted file mode 100644
index 77fc8d37..00000000
Binary files a/BetterGenshinImpact/Assets/Images/banner_4th.jpg and /dev/null differ
diff --git a/BetterGenshinImpact/Assets/Images/banner_keqing.jpg b/BetterGenshinImpact/Assets/Images/banner_keqing.jpg
deleted file mode 100644
index 26fa5610..00000000
Binary files a/BetterGenshinImpact/Assets/Images/banner_keqing.jpg and /dev/null differ
diff --git a/BetterGenshinImpact/Assets/Images/banner_mona.jpg b/BetterGenshinImpact/Assets/Images/banner_mona.jpg
deleted file mode 100644
index b8f60b96..00000000
Binary files a/BetterGenshinImpact/Assets/Images/banner_mona.jpg and /dev/null differ
diff --git a/BetterGenshinImpact/Assets/Images/banner_sayu.jpg b/BetterGenshinImpact/Assets/Images/banner_sayu.jpg
new file mode 100644
index 00000000..e9ec54be
Binary files /dev/null and b/BetterGenshinImpact/Assets/Images/banner_sayu.jpg differ
diff --git a/BetterGenshinImpact/View/Pages/HomePage.xaml b/BetterGenshinImpact/View/Pages/HomePage.xaml
index 689b2d03..9b8d991f 100644
--- a/BetterGenshinImpact/View/Pages/HomePage.xaml
+++ b/BetterGenshinImpact/View/Pages/HomePage.xaml
@@ -29,7 +29,7 @@
             <Grid>
                 <Border ClipToBounds="True" CornerRadius="8">
                     <Border.Background>
-                        <ImageBrush ImageSource="pack://application:,,,/Assets/Images/banner_4th.jpg"
+                        <ImageBrush ImageSource="pack://application:,,,/Assets/Images/banner_sayu.jpg"
                                     RenderOptions.BitmapScalingMode="HighQuality"
                                     Stretch="UniformToFill" />
                     </Border.Background>
@@ -395,8 +395,8 @@
                             <Run Text="启动参数" />
                             <ui:HyperlinkButton Grid.Row="1"
                                                 Margin="0,0,0,0"
-                                                Command="{Binding OpenGameCommandLineDocumentCommand}"
                                                 Padding="0"
+                                                Command="{Binding OpenGameCommandLineDocumentCommand}"
                                                 Cursor="Hand">
                                 <ui:HyperlinkButton.Content>
                                     <TextBlock FontSize="11" Text="打开文档" />