After collectionview adds a cell, but closes the APP, how do you deal with and save the data source when you open the cell, and find that it has not been added?

after collectionview adds a cell, but closes the APP, what do you want to do with the data source when you open the cell, and find that it has not been added?

Mar.21,2021

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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-64f5-1bd4b75-30f12.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bd4b75-30f12.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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