string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%B1%E4%BF%8A%E6%96%87%E5%A5%BD%E8%BF%98%E6%98%AF%E8%82%96%E5%9B%BD%E7%A5%A5 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
朱俊文好还是肖国祥
