错误 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. C:\Program Files\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets 369
网上又说进提示网站下载,但是网站也打不开