string(285) "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%E7%9A%84%E6%9C%BA%E5%99%A8%E4%BA%BA%E8%A6%81%E9%92%B1%E5%90%97%E6%98%AF%E7%9C%9F%E7%9A%84%E5%90%97 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
淘宝的机器人要钱吗是真的吗
