string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E5%BE%AE%E5%95%86%E6%98%AF%E4%B8%8D%E6%98%AF%E4%B8%8D%E5%A5%BD%E5%81%9A%E4%BA%86 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
现在微商是不是不好做了
