string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%80%83%E4%B8%80%E5%BB%BA%E6%8A%A5%E7%BD%91%E8%AF%BE%E6%95%88%E6%9E%9C%E5%A5%BD%E5%90%97 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
考一建报网课效果好吗
