net core System.Drawing is not supported on this platform.

system.drawing is not supported on this platform.
system.platformnotsupportedexception: system.drawing is not supported on this platform.
   at system.drawing.bitmap..ctor(int32 width, int32 height)
   at m10008.casignminipro.shared.validatecode.createvalidategraphic(string validatecode, int32 fontsize, int32 lineheight) in e:\11code\11casignminipro\m10008.casignminipro\shared\tools\validatecode.cs:line 49
   at m10008.casignminipro.application.basicapplication.createimgcode() in e:\11code\11casignminipro\m10008.casignminipro\application\basicapplication.cs:line 89
   at m10008.casignminipro.service.basicservice.imgcode() in e:\11code\11casignminipro\m10008.casignminipro\service\basicservice.cs:line 221

 

 

net core publish 发布命令的时候 

system.drawing.common.dll生成有问题

 

 这个dll文件正常是600kb的,每次生成都会把这个小文件的dll打出来.

 

替换一下就行...去自己的包源找一下