Mini Program data preloading

I hope that after Mini Program"s A page is loaded, the data of page B will be loaded automatically to speed up the response

does anyone have any ideas to give us some advice?

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-64f5-1b31164-2b5ba.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b31164-2b5ba.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?