华为M6没法用这个吗？还是必须得有root权限才能使用？换了清华的镜像源，没有办法安装包，提示这种
Package python is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'python' has no installation candidate

很多软件不兼容

换个地方用wifi上网。