diff --git a/Images/StylesDemo.jpg b/Images/StylesDemo.jpg
index 2a9d948..17d4184 100644
Binary files a/Images/StylesDemo.jpg and b/Images/StylesDemo.jpg differ
diff --git a/README.md b/README.md
index b09f1a8..a4fbdd7 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ SyminUI 是 WPF 的 UI 组件库,并使用称为 **C#UI** 的 MVU 设计模式
[![dotnet package](https://github.com/syminomega/SyminUI/actions/workflows/dotnet-desktop.yml/badge.svg)](https://github.com/syminomega/SyminUI/actions/workflows/dotnet-desktop.yml)
-## Preview 预览 (2022-06-25)
+## Preview 预览 (2022-06-26)
Currently is in early preview stage. **Pull requests are not available at this moment.**\
目前处于早期预览阶段,**Pull Request 暂未全面开放**。
diff --git a/SyminUI/Themes/Decorations/CardBorder.xaml b/SyminUI/Themes/Decorations/CardBorder.xaml
index 3ea940f..98e673a 100644
--- a/SyminUI/Themes/Decorations/CardBorder.xaml
+++ b/SyminUI/Themes/Decorations/CardBorder.xaml
@@ -28,7 +28,8 @@
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
TextElement.Foreground="{TemplateBinding Foreground}"/>
-
+
diff --git a/SyminUI/Themes/Styles/ComboBoxStyle.xaml b/SyminUI/Themes/Styles/ComboBoxStyle.xaml
new file mode 100644
index 0000000..6d69e00
--- /dev/null
+++ b/SyminUI/Themes/Styles/ComboBoxStyle.xaml
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\ No newline at end of file
diff --git a/SyminUI/Themes/Styles/GroupBoxStyle.xaml b/SyminUI/Themes/Styles/GroupBoxStyle.xaml
index 613f4fd..bf8aeb2 100644
--- a/SyminUI/Themes/Styles/GroupBoxStyle.xaml
+++ b/SyminUI/Themes/Styles/GroupBoxStyle.xaml
@@ -4,7 +4,7 @@