Cannot Synchronize to elasticsearch? when mongodb deletes data

you can add or modify data in mongodb by Synchronize to ES, but when you delete data, the deleted data is still saved in ES.
data in mongodb:

ES:

Jan.19,2022

suddenly solved it on its own. How, I don't know, seems to be due to the slight difference between mongo-connector 's first Synchronize data and the second Synchronize data.

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-64f5-1b30903-2b570.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30903-2b570.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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