string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E8%80%83%E8%AF%95%E5%BB%BA%E8%AE%AE%E5%85%88%E8%80%83%E5%93%AA%E7%A7%91 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
注会考试建议先考哪科
