string(360) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B8%B8%E7%94%A8%E7%9A%84%E5%8A%9E%E5%85%AC%E8%BD%AF%E4%BB%B6%E6%9C%89%E5%93%AA%E4%BA%9B%2C%E5%88%86%E5%88%AB%E9%83%BD%E6%9C%89%E4%BB%80%E4%B9%88%E5%8A%9F%E8%83%BD%E5%92%8C%E4%BD%9C%E7%94%A8 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
常用的办公软件有哪些,分别都有什么功能和作用
