string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E5%B8%88%E9%83%BD%E8%80%83%E5%93%AA%E5%87%A0%E7%A7%91 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
注安师都考哪几科
