About the delay in refreshing the flask project log under supervisor

if gevent+flask starts the project directly on the command line, the print of the log file will be output normally on the screen
but if the project is started under supervisor, there will be a delay in refreshing the supervisor.log file
Project startup command: / space/home/cloudap/.virtualenvs/data_machine/bin/gunicorn-k gevent-c gun.py manage:app
the configuration file for supervisor is as follows

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Dec.01,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e9e9ed-477cf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9e9ed-477cf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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