string(279) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E5%A4%B1%E8%AF%AF%E4%BF%9D%E5%AD%98%E5%8F%88%E5%85%B3%E9%97%AD%E4%BA%86%E6%80%8E%E4%B9%88%E6%81%A2%E5%A4%8D => Failed to connect to 14.18.117.71 port 38220: Connection refused"
excel失误保存又关闭了怎么恢复
