Stream is Offline ALWAYS

I have the same issue.
I used oss to push streaming , oss show me push streaming succeed, but stream offline on kmc.

WX20180710-102836@2x.png2708x1008 256 KB

I also can’t open the liveDashboard. what am i missing now?

The requested URL /apps/liveDashboard/v1.5.4/index.html was not found on this server.

Thanks.