docker方式安装,启动正常, 页面无法访问

https://cloud.seafile.com/published/seafile-manual-cn/docker/用Docker部署Seafile.md
使用docker的方式进行安装, 启动服务之后, 页面无法访问

启动命令如下
wangxiao@ubuntu:~/work/seafile$ sudo docker-compose up -d
seafile-memcached is up-to-date
seafile-mysql is up-to-date
Recreating seafile … done

页面提示
We can’t connect to the server at seafile.example.com.

If that address is correct, here are three other things you can try:

Try again later.
Check your network connection.
If you are connected but behind a firewall, check that Firefox has permission to access the Web