string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E7%BB%9C%E6%8E%A8%E5%B9%BF%E8%83%BD%E5%81%9A%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
网络推广能做吗
