How do you know where a request request comes from in the browser debugging tool?

page 404, found that the request url is wrong, but don"t know where to change it?

Mar.05,2021

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Chrome version 66.0.3359.117 (official version)
Just click in

. Click on the code that initiates the request

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-64f5-1b35582-2bf81.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35582-2bf81.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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