string(248) "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%E8%B7%9F%E7%BD%91%E5%BA%97%E4%BB%B7%E6%A0%BC%E4%B8%8D%E4%B8%80%E6%A0%B7 => Received HTTP code 403 from proxy after CONNECT"
实体店跟网店价格不一样
