方法一：永久配置（推荐）
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://docker-mirror.pleasurehub.app"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
方法二：临时使用
docker pull docker-mirror.pleasurehub.app/library/nginx:latest