尝试在应用市场安装Openlist 应用，显示“启动失败”，提示如下：
stderr: openlist Pulling openlist Error Get “https://registry-1.docker.io/v2/”: context deadline exceeded (Client.Timeout exceeded while awaiting headers) Error response from daemon: Get “https://registry-1.docker.io/v2/”: context deadline exceeded (Client.Timeout exceeded while awaiting headers)
尝试安装Maxkb应用，显示“安装失败，提示如下：
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)
添加镜像源：
https://docker.1panel.live
https://docker.mirrors.ustc.edu.cn
https://hub-mirror.c.163.com
https://reg-mirror.qiniu.com
之后点击重构，仍然是上面的提示。卸载应用后再次安装，仍然显示上述错误。
尝试重启Docker：
sudo systemctl daemon-reexec
sudo systemctl restart docker
终端机没有反应。
到阿里云后台重启ECS，仍然是上述错误。