string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E7%9C%8B%E5%93%AA%E4%B8%AA%E7%BD%91%E6%A0%A1 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
一建看哪个网校
