string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%95%86%E5%AE%B6%E5%92%8C%E6%B6%88%E8%B4%B9%E8%80%85%E4%B9%8B%E9%97%B4%E7%9A%84%E4%BA%92%E5%8A%A8 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
商家和消费者之间的互动
