string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E4%B8%80%E4%B8%AA%E4%B8%8D%E5%8D%91%E4%B8%8D%E4%BA%A2%E7%9A%84%E4%BA%BA%E8%AF%B4%E8%AF%B4 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
做一个不卑不亢的人说说
