1. docker-machine ssh default (sometimes can be omitted)
2.sudo sed -i "s|EXTRA_ARGS='|EXTRA_ARGS='--registry-mirror=http://d7e77b19.m.daocloud.io |g" /var/lib/boot2docker/profile
3.exit
4.docker-machine restart default
(http://d7e77b19.m.daocloud.io should be replaced with your acceleration address)
Restart and the following message appears:
Solution:
5.docker-machine env default
6. At this point, it is much faster to use docker pull images.