string(267) "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%E8%A7%84%E5%88%99%E5%88%86%E4%B8%BA%E5%93%AA%E4%B8%A4%E5%A4%A7%E7%B1%BB%E5%9E%8B => Failed to connect to 101.89.159.206 port 38187: Connection refused"
淘宝规则分为哪两大类型
