string(234) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7vip%E7%8F%AD%E9%80%9A%E8%BF%87%E9%9A%BE%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
中级vip班通过难吗
