Querylist3.0 crawl error

querylist3.0, is adopted because of php version 5.6. but there is a problem:
when the collected data reaches a certain amount (such as the first), php, the second), php will report an error. The location of the: The received content is empty, error is that the querylist.php, looked at the code and said that the crawled page was empty. But when it is executed again (if there is not much data), you can continue to crawl. What is the reason for this problem? How to solve it?

Php
Jun.02,2021

this needs to be debugged before we know. By recording the underlying curl request data, you will know whether it is a request problem or a parsing problem.

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-64f5-1e46284-43b09.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e46284-43b09.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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