How do I set code breaks when VSCode edits Markdown?

how to set code breaks when VSCode edits Markdown

you can click the minus sign on the left when editing html and js, but there is no minus sign when editing Markdown. How to set it

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-64f5-1b9ff08-2e208.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b9ff08-2e208.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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