string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E4%B8%8A%E9%94%80%E5%94%AE%E5%B9%B3%E5%8F%B0%E6%80%8E%E4%B9%88%E5%81%9A => Failed to connect to 14.18.117.71 port 38093: Connection refused"
网上销售平台怎么做
