Webstorm still reports an error when writing ES6 code after setting up ES6

setting-> Language & Frameworks-> JavaScript-> selecting EcmaScript 6
setting still has no effect? How to break?
Arrow functions, deconstruction assignments, and object method abbreviations all have error prompts.

Dec.20,2021

are you sure it's not eslint's fault?

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-64f5-1bea61c-45f83.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bea61c-45f83.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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