Docker 禁止美国“实体清单”主体使用，Docker 开源项目不受影响 https://www.ithome.com/0/503/635.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/0/503/635.htm
