再发正式版本，经典开源压缩软件 7-Zip 21.07 发布：仅 1.5MB https://www.ithome.com/0/595/672.htm
Why is this step necessary? hello.2heng.xin might not be the server where you are registered, so we need to redirect you to your home server first. Don't have an account? You can sign up here
hello.2heng.xin
https://www.ithome.com/0/595/672.htm
