Mui single webview mode or dual webview mode how to disable the drop-down, or remove the drop-down circles and text will only have a rebound effect

the style triggered by the drop-down, or always a circle, needs to be disabled, leaving only the springback effect
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Mui
Feb.28,2021
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-64f5-1b32284-2bde5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32284-2bde5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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