How to disable the drop-down and refresh of mobile phone chrom

the new project found that testing the drop-down on chrome will refresh the page
look at Mobile Taobao"s implementation of the drop-down and do not know how to achieve it

Feb.27,2021
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-64f5-1b2afa5-3ffe5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2afa5-3ffe5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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