string(258) "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%E6%9C%BA%E5%99%A8%E4%BA%BA%E8%BF%94%E5%88%A9%E5%90%88%E6%B3%95%E5%90%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
淘宝机器人返利合法吗
