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%B4%AD%E7%89%A9%E6%9C%BA%E5%99%A8%E4%BA%BA%E6%80%8E%E4%B9%88%E7%94%A8%E7%9A%84 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
淘宝购物机器人怎么用的
