Can't display video when join room

[ishrek]

I used server localhost
struct Config {

static var rtmpPushUrl = "rtmp://192.168.0.104:3000/live/"
static var rtmpPlayUrl = "rtmp://192.168.0.104:3000/live/"
static var serverUrl = "http://192.168.0.104:3000"

}

I created room in Device A. And then join room from Device B. But device B do not show video, It's only chat , send gift..

Please, Can i help you how show it.
Thank you