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CRITICAL - 2021-01-24 22:26:53 --> Maximum execution time of 30 seconds exceeded #SQL:SELECT * FROM `dr_1_pdf` WHERE `dr_1_pdf`.`thumb`<>'' AND `dr_1_pdf`.`catid` = 29 AND `dr_1_pdf`.`status` = 9 ORDER BY `dr_1_pdf`.`updatetime` DESC LIMIT 6 #URL:http://www.ugcn.cn/index.php?s=pdf&c=html&m=category&ids=&pp=1 #AGENT:Mozilla/5.0 (Windows NT 10.0 WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.25 Safari/537.36 Core/1.70.3756.400 QQBrowser/10.5.4039.400 #REFERER:http://www.ugcn.cn/admin.php?c=html&m=category_index&app=pdf& #0 [internal function]: CodeIgniter\Debug\Exceptions->shutdownHandler() #1 {main}
生成栏目的时候,系统错误日志,怎么处理呢?