Baidu map drawing rectangle

when I use Baidu Map to draw a rectangle, I need to modify it, but after modification, the rectangle will become a polygon, which is very ugly. Is there any way to modify it when it is always rectangular?
when new:

clipboard.png

:
clipboard.png

Apr.07,2021
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-64f5-1e506bb-450cc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e506bb-450cc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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