Vue-cli scaffolding project, compiled with a warning, but the program works normally. How to modify it?

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there is a WARNING sign on the edge of the cliff. As a result, only programmers fall off things like
warning, which doesn't matter to him

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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-64f5-1e4c6a5-4463a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4c6a5-4463a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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