Echart broken line diagram Custom Picture inflection Point disappears after being hidden by legend

I changed the symbol attribute to a picture, and there is no problem with the initialized line chart.
clipboard.png

clipboard.png

clipboard.png
the custom inflection point has disappeared. What is the reason for this

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Dec.13,2021

is a version problem. If you upgrade the version, you will ok

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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-64f5-1beec98-31c12.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1beec98-31c12.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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