string(258) "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%E9%94%80%E5%94%AE%E5%86%85%E5%AE%B9%E6%80%8E%E6%A0%B7%E5%86%99%E7%9A%84 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
网络销售内容怎样写的
