string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9F%BA%E7%A1%80%E7%9A%84%E5%8A%9E%E5%85%AC%E8%BD%AF%E4%BB%B6%E6%93%8D%E4%BD%9C => Failed to connect to 14.18.117.71 port 38041: Connection refused"
基础的办公软件操作
