How to use Mini Program live-play and view-cover together? I don't understand. Can you give me a code example?

live-play always blocks the like button and wants to put the click button in front of live-play, but doesn"t understand the use of view-cover?

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this picture of school supplies on the simulator is on live-play, but it will be overwritten by live-play on the real machine.

Mini-Program wepy Live
Mar.06,2021

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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-64f5-1beda42-31b7e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1beda42-31b7e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?