string(285) "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%E6%AF%94%E7%BD%91%E4%B8%8A%E8%B4%B5%E5%8F%AF%E4%BB%A5%E9%80%80%E5%B7%AE%E4%BB%B7%E5%90%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
实体店比网上贵可以退差价吗
