diff --git a/src/main/java/com/isu/gaswellwatch/service/impl/DeviceServiceImpl.java b/src/main/java/com/isu/gaswellwatch/service/impl/DeviceServiceImpl.java
index b4cc41d..f0b5d47 100644
--- a/src/main/java/com/isu/gaswellwatch/service/impl/DeviceServiceImpl.java
+++ b/src/main/java/com/isu/gaswellwatch/service/impl/DeviceServiceImpl.java
@@ -269,6 +269,7 @@ public class DeviceServiceImpl extends ServiceImpl<DeviceDao, Device> implements
         try {
             ServletOutputStream outputStream = response.getOutputStream();
             fileName = URLEncoder.encode(device.getGasWell().getName()+"|"+simpleDateFormat.format(new Date()), StandardCharsets.UTF_8).replaceAll("\\+", "%20");
+            response.setHeader("Access-Control-Expose-Headers","Content-Disposition");
             response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
             EasyExcel.write(outputStream)
                     // 这里放入动态头