What if the CSS selector cannot be located in pyspider

I used the selector to select the node, but the run did not respond. When I opened the developer option, I found that the li node was not unique, there was another one in front of it. Don"t know how to change
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Feb.15,2022
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-64f5-1e65c8f-44107.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e65c8f-44107.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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