安装MinGW-W64提示cannot download repository.txt
这是何故?应该是没经过测试?网络问题?有人建议这样:下载压缩包https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/8.1.0/threads-posix/seh/x86_64-8.1.0-release-posix-seh...