string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%98%E5%AE%9D%E4%BA%BA%E5%B7%A5%E4%B8%BA%E4%BB%80%E4%B9%88%E9%83%BD%E6%98%AF%E6%9C%BA%E5%99%A8%E4%BA%BA%E5%9B%9E%E5%A4%8D%E7%9A%84 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
淘宝人工为什么都是机器人回复的
