Vue.js keeps switching routes, and the memory under IE increases gradually.

problem description

vue.js I keep switching routes. The memory under IE increases with the switching of routes. I also destroy some of the events that should be destroyed in the beforeDestroy lifecycle, which is why.

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

May.16,2022

memory leak
use devTools to find

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-64f5-1e5051c-450bf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5051c-450bf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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