一键安装失败
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=================3.下载镜像（该步骤因网络原因会慢一些，若失败请重试）==================
Run CMD Task:[sudo docker pull osrf/ros:rolling-desktop-full ]
Error response from daemon: Get "https://registry-1.docker.io/v2/": context deadline exceeded
Run CMD Task:[sudo docker pull osrf/ros:rolling-desktop-full ]
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)
Run CMD Task:[sudo docker pull osrf/ros:rolling-desktop-full ]
Error response from daemon: Get "https://registry-1.docker.io/v2/": context deadline exceeded
重试了好几次都是这样