7.9下载了，6.7的也下载了。杂回事？貌似没问题呢
Registries: docker.io (secure)
[root@localhost ~]# docker images|grep qube
docker.io/xhuaustc/sonarqube 7.9.1 477f684279ea 4 months ago 480 MB
docker.io/openshiftdemos/sonarqube 6.7 84dae67905c9 2 years ago 811 MB