string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BA%BA%E5%A4%84%E4%BA%8B%E4%B8%8D%E5%8D%91%E4%B8%8D%E4%BA%A2 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
为人处事不卑不亢
