string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AE%A1%E7%90%86%E7%9A%84%E5%88%9B%E6%96%B0%E8%81%8C%E8%83%BD%E5%90%8D%E8%AF%8D%E8%A7%A3%E9%87%8A => Failed to connect to 14.18.117.71 port 38133: Connection refused"
管理的创新职能名词解释
