string(320) "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%E8%B7%9F%E7%BD%91%E4%B8%8A%E4%BB%B7%E6%A0%BC%E5%B7%AE%E5%BE%88%E5%A4%9A%E7%9A%84%E5%8C%BA%E5%88%AB%E6%98%AF%E4%BB%80%E4%B9%88 => Received HTTP code 403 from proxy after CONNECT"
实体店价格跟网上价格差很多的区别是什么
