纠正错误

README.md

@@ -1,4 +1,4 @@
-<div align="center"><img src="https://i.loli.net/2021/04/27/OjXRwG5tArl2QnW.png" alt="PCL2 内置帮助库"/></div>
+<div align="center"><img src="https://i.loli.net/2021/04/27/ia7zksgDwZfm5Pt.png" alt="PCL2 内置帮助库"/></div>
 <div align="center"><img src="https://img.shields.io/github/stars/LTCatt/PCL2Help">&nbsp; <img src="https://img.shields.io/github/forks/LTCatt/PCL2Help?color=%23f8e71c">&nbsp;<img src="https://img.shields.io/github/issues/LTCatt/PCL2Help?color=%237ed321"></div>
 
   

个性化/XAML 格式.xaml

@@ -10,7 +10,7 @@
 -->
 <local:MyCard Title="前言">
     <StackPanel Margin="25,40,23,15">
-        <TextBlock Margin="0,0,0,4" FontSize="13" HorizontalAlignment="Center" Foreground="{DynamicResource ColorBrush}"
+        <TextBlock Margin="0,0,0,4" FontSize="13" HorizontalAlignment="Center" Foreground="{DynamicResource ColorBrush1}"
                    Text="本篇简单介绍了在 PCL2 中使用 XAML 进行自定义页面的相关语法，由于内容繁多，建议下载本篇代码参考学习。" />
         <local:MyButton Margin="0,8,0,8" Width="200" Height="35"
                    Text="下载本篇的代码" EventType="下载文件" EventData="http://189.ly93.cc/viyYf2rIze63/71443213109235631.xaml" ToolTip="下载本篇的代码" />