爬虫返回空，itemID为别的都可以唯独4不行

[lintingweiHS]

[ 中国教育工会 Spider ] is started...

• PHPSpider Version: 2.1.5
• Documentation: https://doc.phpspider.org
• Task Number: 1

Input "php yuanxiao.php stop" to quit. Start success.

2019-11-13 09:25:33 [debug] Find list page: http://shsjygh.org.cn/MainDefault/NewsListInner?ItemID=4&PID=2 2019-11-13 09:25:38 [debug] Success download page http://shsjygh.org.cn/MainDefault/NewsListInner?ItemID=4&PID=2 in 5.003 s