The problem of setting up the cookie domain name

excuse me, if a URL is accessed only by ip, there is no domain name. And the front end needs to set up cookie and the corresponding domain name and path, how to write? Thank you!

Mar.03,2021
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-64f5-1e5111f-44647.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5111f-44647.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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