diff --git a/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj b/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
index 68489a2..4e0ff0e 100644
--- a/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
+++ b/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
@@ -23,7 +23,6 @@
         <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
         <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
-        <PackageReference Include="Avalonia.LinuxFramebuffer" Version="11.0.0" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/demo/Semi.Avalonia.Demo.Drm/App.axaml b/demo/Semi.Avalonia.Demo.Drm/App.axaml
index 40032b1..d4ceb6d 100644
--- a/demo/Semi.Avalonia.Demo.Drm/App.axaml
+++ b/demo/Semi.Avalonia.Demo.Drm/App.axaml
@@ -2,13 +2,12 @@
     x:Class="Semi.Avalonia.Demo.Drm.App"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:Semi.Avalonia.Demo.Desktop"
     RequestedThemeVariant="Light">
 
-	<Application.Styles>
-		<!--<StyleInclude Source="avares://Semi.Avalonia/Themes/Index.axaml" />-->
-		<StyleInclude Source="avares://Semi.Avalonia/Themes/Index.axaml" />
-		<StyleInclude Source="avares://Semi.Avalonia.DataGrid/Index.axaml" />
-		<StyleInclude Source="avares://Semi.Avalonia.ColorPicker/Index.axaml" />
-	</Application.Styles>
+    <Application.Styles>
+        <!--<StyleInclude Source="avares://Semi.Avalonia/Themes/Index.axaml" />-->
+        <StyleInclude Source="avares://Semi.Avalonia/Themes/Index.axaml" />
+        <StyleInclude Source="avares://Semi.Avalonia.DataGrid/Index.axaml" />
+        <StyleInclude Source="avares://Semi.Avalonia.ColorPicker/Index.axaml" />
+    </Application.Styles>
 </Application>
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diff --git a/demo/Semi.Avalonia.Demo.Drm/使用方法.txt b/demo/Semi.Avalonia.Demo.Drm/使用方法.md
similarity index 59%
rename from demo/Semi.Avalonia.Demo.Drm/使用方法.txt
rename to demo/Semi.Avalonia.Demo.Drm/使用方法.md
index 0e9445e..efe659a 100644
--- a/demo/Semi.Avalonia.Demo.Drm/使用方法.txt
+++ b/demo/Semi.Avalonia.Demo.Drm/使用方法.md
@@ -1,4 +1,7 @@
-DRM启动步骤(Ubuntu18.04Server版本 虚拟机测试OK)
+# DRM启动步骤
+
+(Ubuntu18.04Server版本 虚拟机测试OK)
+
 Avalonia官方参考文档：https://docs.avaloniaui.net/docs/next/guides/platforms/rpi/running-on-raspbian-lite-via-drm
 
 1.Linux端运行命令
@@ -21,26 +24,28 @@ Avalonia官方参考文档：https://docs.avaloniaui.net/docs/next/guides/platfo
             
 7.运行 ./Semi.Avalonia.Demo.Drm --drm
 
-报错处理：
+## 报错处理：
+
+1. 报错内容
+
+>Unhandled exception. Avalonia.Markup.Xaml.XamlLoadException: No precompiled XAML found for avares://Semi.Avalonia/Themes/Light/Light.axaml (baseUri: avares://Semi.Avalonia/Themes/Index.axaml), make sure to specify x:Class and include your XAML file as AvaloniaResource
 
-1.报错内容
-    Unhandled exception. Avalonia.Markup.Xaml.XamlLoadException: No precompiled XAML found for avares
-    ://Semi.Avalonia/Themes/Light/Light.axaml (baseUri: avares://Semi.Avalonia/Themes/Index.axaml), m
-    ake sure to specify x:Class and include your XAML file as AvaloniaResource
  解决方法：
     如果使用Semi发布文件不要裁剪，如果裁剪会报错
          
 
-2.报错内容
-    Unhandled exception. System.TypeInitializationException: The type initializer for 'SkiaSharp.SKImageInfo' threw an exception.
-    --->System.DllNotFoundException: Unable to load shared library 'libSkiaSharp' or one of its dependencies.In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: liblibSkiaSharp: cannot open shared object file: No such file or directory
+2. 报错内容
+>Unhandled exception. System.TypeInitializationException: The type initializer for 'SkiaSharp.SKImageInfo' threw an exception.**
+    **--->System.DllNotFoundException: Unable to load shared library 'libSkiaSharp' or one of its dependencies.In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: liblibSkiaSharp: cannot open shared object file: No such file or directory
     at SkiaSharp.SkiaApi.sk_colortype_get_default_8888()
     at SkiaSharp.SKImageInfo..cctor()
+
 解决方法：
     Linux命令行安装一下 apt-get install -y libfontconfig1
     参考网址：https://github.com/mono/SkiaSharp/issues/509
 
-3.报错内容
-    Permission denied
+3. 报错内容
+>Permission denied
+
 解决方法：
     sudo chmod +x ./Semi.Avalonia.Demo.Drm
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