The page pop-up drop-down box will affect the entire page height, what is the reason?

when the drop-down button is clicked, the page will follow
the middle code of the drop-down box is:
padding: 10px 0;
overflow-y: auto;
max-height: 413px;

Jul.06,2021

the drop-down box should be absolutely positioned to the appropriate position. Visually, you are not absolutely positioned

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-64f5-1e4991d-44d49.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4991d-44d49.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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