Why does vue switch between child routes each time it takes the mounted method of the parent route?

routing configuration
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Why do you switch submenus and take the mounted of the parent component?

Front-end-engineer vue-router vue.js
Mar.09,2021

friend, have you finally found the reason? I have the same problem.

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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-64f5-1ed28a0-33d6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ed28a0-33d6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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