string(338) "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%E4%BB%B7%E6%A0%BC%E6%AF%94%E7%BD%91%E4%B8%8A%E4%BE%BF%E5%AE%9C%E4%B8%BA%E4%BB%80%E4%B9%88%E9%A1%BE%E5%AE%A2%E8%BF%98%E6%98%AF%E4%B8%8D%E4%B9%B0 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
实体店价格比网上便宜为什么顾客还是不买
