retry

##重新连接

if ( KSYStreamErrorCode_CONNECT_BREAK == err && _btnAutoReconnect.isOn ) {
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            [_kit.streamerBase stopStream];
            [_kit.streamerBase startStream:_hostURL];
        });
    }