how long to check the PeriodicTask model

[duyuyouci]

Summary:

Include a brief descrioption of the problem here, and fill out the version info below.

• Celery Version: 4.4.7
• Celery-Beat Version: 1.5.0

I found that after the timing task is executed, enable of the PeriodicTask will be set to false after a period of time
i want to know how long to check the PeriodicTask

[auvipy]

please try latest release, those versions are not supported anymore.