string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AE%9E%E4%BD%93%E5%BA%97%E5%92%8C%E7%BD%91%E4%B8%8A%E5%B7%AE%E4%BB%B7%E5%A4%AA%E5%A4%A7%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 14.18.117.71 port 38220: Connection refused"
实体店和网上差价太大怎么办
