Not get deviceToken yet. Maybe: your certificate not configured APNs? or current network is not so g
有可能是你的网络访问出现问题, 比如没网或者挂了不稳定vpn和ss
另一个可能性是环信过早启动导致极光无法正常获取到token, 导致app启动时阻塞.
另外的解决办法:
https://menglingwenblog.github.io/2017/07/21/iOS%20JPush%20+%20环信%20推送失败/