string(270) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%8D%8E%E4%BC%9A%E8%AE%A1%E7%BD%91%E6%A0%A1vip%E7%8F%AD%E5%88%B0%E5%BA%95%E6%80%8E%E6%A0%B7 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
中华会计网校vip班到底怎样
