string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%9F%E9%B2%9C%E8%87%AA%E5%8A%A8%E5%94%AE%E5%8D%96%E6%9C%BA%E5%8E%82%E5%AE%B6 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
生鲜自动售卖机厂家
