Win10，也重新装了免费版的Visual Studio 2013 y，写MFC程序时候发现这样的提示：

error MSB8031: Building an MFC project for a non-Unicode character set is deprecated. You must change the project property to Unicode or download an additional library. 

网上查找，原来是缺了MFC character set的字符控件，去微软网站上下载安装即可

下载地址：https://www.microsoft.com/zh-cn/download/details.aspx?id=40770