update 订单列表，考级报名列表

mec-web/src/main/java/com/ym/mec/web/controller/ExportController.java

@@ -1577,7 +1577,7 @@ public class ExportController extends BaseController {
         queryInfo.setRows(65000);
         PageInfoDegree<DegreeRegistration> pageList = degreeRegistrationService.getPageList(queryInfo);
         if (pageList.getTotal() <= 0) {
-            response.setStatus(500);
+            response.setStatus(200);
             response.setContentType("Content-Type: application/json;charset=UTF-8");
             response.getOutputStream().write("{\"data\": null, \"code\": 500, \"status\": false, \"msg\": \"没有可导出的记录\"}".getBytes());
             response.flushBuffer();