string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E8%80%83%E5%93%AA%E5%87%A0%E7%A7%91%E8%80%83%E5%87%A0%E5%B9%B4 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
一造考哪几科考几年
