Build a picture library on the server, how to load pictures on the page while ensuring security?

to implement: create a public LOGO library that can be called in any project.

is there any better and better way to do this besides websocket?

Thank you!

Jun.11,2021

what does security mean? Forbidden outside the chain? What does this have to do with websocket ?

it is said to brush the home page every day. You can see all these things
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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-64f5-1b40574-2b24a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b40574-2b24a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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