在serv00上面搭建完成之后 ，拉不下来 #7
Description
sudo docker pull hello-world
Using default tag: latest
Error response from daemon: Get "https://registry-1.docker.io/v2/": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
不清楚是什么原因导致的啊
已经设置了registry mirror