WeChat Mini Programs's checkbox value transfer problem

how to get the current value when Mini Program"s checkbox is deselected.
api only gives the value array of all selected checkbox

Mar.23,2021

can't you just use radio

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-64f5-1e5070f-450ac.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5070f-450ac.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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