fix 修复 不同网段因reset请求头导致下载导出跨域问题

ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java

@@ -194,7 +194,6 @@ public class ExcelUtil {
      */
     private static void resetResponse(String sheetName, HttpServletResponse response) throws UnsupportedEncodingException {
         String filename = encodingFilename(sheetName);
-        response.reset();
         FileUtils.setAttachmentResponseHeader(response, filename);
         response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
     }