string(301) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E5%9C%A8%E7%94%B5%E8%84%91%E4%B8%8A%E5%88%B6%E4%BD%9C%E8%A1%A8%E6%A0%BC%E5%92%8C%E7%BB%98%E5%9B%BE%E8%BD%AF%E4%BB%B6 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
如何在电脑上制作表格和绘图软件
