WeChat Mini Programs picture loading stutter

when the item is loaded in the
drop-down of the item list page
the main picture of the item is displayed slowly
half comes out
has the feeling of stutter

the picture is placed on Qiniu
turn on cdn acceleration

I think some of the other Mini Program are very fluent.
I don"t know where they need to be modified.
give me an idea

Mar.05,2021

try preloading?


Image processing generally uses lazy loading mode. List is paged and loaded. For lazy loading, please refer to the relevant source code on git

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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-64f5-1b3e848-2c401.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3e848-2c401.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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