string(254) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E6%A0%BC%E5%BC%8F%E4%BF%9D%E5%AD%98%E5%90%8E%E5%8F%88%E6%81%A2%E5%A4%8D%E4%BA%86 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
excel格式保存后又恢复了
