string(261) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E8%A1%A8%E6%A0%BC%E4%BF%9D%E5%AD%98%E9%94%99%E4%BA%86%E6%80%8E%E4%B9%88%E8%BF%98%E5%8E%9F => Failed to connect to 14.18.117.71 port 38093: Connection refused"
excel表格保存错了怎么还原
