string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7%E4%BC%9A%E8%AE%A1vip%E7%8F%AD%E9%80%9A%E8%BF%87%E7%8E%87 => Failed to connect to 101.89.120.29 port 38231: Connection refused"
中级会计vip班通过率
