Error 1 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. See http://go.microsoft.com/fwlink/p/?LinkId=286820 for more information. G:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets 376 5 Smon
去微软网站下载这个组件就解决了
下载地址:http://www.microsoft.com/zh-cn/download/confirmation.aspx?id=40770