diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
index 82ced16e..d0effddd 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
@@ -214,7 +214,7 @@ public class CasesApi extends ApiBaseController {
             }
 
             response.setContentType("application/octet-stream");
-            response.setHeader("Content-disposition", "attachment;filename=cases.xlsx");
+            response.setHeader("Content-disposition", "attachment;filename=cases.xls");
             ExportsExcelSenderUtil.export(map,exportVos, OutputStream,"yyyy-MM-dd HH:mm:ss");
         }catch (Exception e){
             log.error("导出失败",e.getMessage());