所以我要在Heroku中免费托管我的Discord机器人（这不好，但我不能提供付款rn） 因此，昨天我的机器人一直运行良好，今天醒来时，我从Discord机器人列表中得到了批准的消息，此后，我的机器人开始连续上线和下线，因此我重新启动了所有测功机，并将其记录在日志中。
Restarting
2020-07-19T15:48:44.371670+00:00 heroku[worker.1]: State changed from up to starting
2020-07-19T15:48:45.296606+00:00 heroku[worker.1]: Stopping all processes with SIGTERM
2020-07-19T15:48:45.677248+00:00 app[worker.1]: sys:1: RuntimeWarning: coroutine 'Command.__call__' was never awaited
2020-07-19T15:48:46.013782+00:00 heroku[worker.1]: Process exited with status 0
2020-07-19T15:48:49.175960+00:00 heroku[worker.1]: Starting process with command `python Yam-Yam.py`
2020-07-19T15:48:49.836878+00:00 heroku[worker.1]: State changed from starting to up
2020-07-19T15:53:23.090024+00:00 heroku[worker.1]: Restarting
2020-07-19T15:53:23.103443+00:00 heroku[worker.1]: State changed from up to starting
2020-07-19T15:53:24.363803+00:00 heroku[worker.1]: Stopping all processes with SIGTERM
能否请您告诉我为什么会这样以及如何解决