After vue-cli passes through npm run build, what is the name of the css file?

as shown in the figure, what are the rules for the file names of the about and app prefixes after using npm run build?
I have deleted about routes and pages in the scaffolding, why is there still about?

clipboard.png

Mar.02,2022

chunkFilename + hash

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-64f5-1e50717-450ba.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e50717-450ba.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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