string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AE%89%E5%BE%BD%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E7%A7%91%E7%9B%AE => Failed to connect to 101.89.143.195 port 38109: Connection refused"
安徽二建考试科目
