string(279) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E6%93%8D%E4%BD%9C%E5%A4%B1%E8%AF%AF%E8%80%8C%E4%B8%94%E4%BF%9D%E5%AD%98%E4%BA%86%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 14.18.117.71 port 38069: Connection refused"
excel操作失误而且保存了怎么办
