diff --git a/README.md b/README.md
index 9a44127b..1bd0b68d 100644
--- a/README.md
+++ b/README.md
@@ -80,12 +80,12 @@ DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/ja
     @GetMapping("download")
     public void download(HttpServletResponse response) throws IOException {
         // 这里注意 有同学反应使用swagger 会导致各种问题，请直接用浏览器或者用postman
-        response.setContentType("application/vnd.ms-excel");
+        response.setContentType("vnd.openxmlformats-officedocument.spreadsheetml.sheet");
         response.setCharacterEncoding("utf-8");
         // 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系
         String fileName = URLEncoder.encode("测试", "UTF-8").replaceAll("\\+", "%20");
         response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
-        EasyExcel.write(response.getOutputStream(), DownloadData.class).sheet("模板").doWrite(data());
+        EasyExcel.write(response.getOutputStream(), DownloadData.class).excelType(ExcelTypeEnum.XLSX).sheet("模板").doWrite(data());
     }
 
     /**