Environment: Windows64 + Nginx-RTMP static + ffmpeg static + Java1.8

I want to use Ffmpeg to convert video streams from HLS streams to RTMP. it"s normal to pull a few streams at first, but when I open more streams, there is no video data pull or push. I thought it was the result of the traffic limit, but then I restarted the rtmp server and found it useless.

Command ffmpeg-I xxx/live.m3u8-vcodec h264murs 720mm 480-an-f flv-y rtmp://xxx

console: