diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/MicroelementFacade.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/MicroelementFacade.java
index 8bc5300..e82ffb4 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/MicroelementFacade.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/MicroelementFacade.java
@@ -175,10 +175,10 @@ public class MicroelementFacade {
             if (start != null && end != null)
             {
                 Date currentDate = new Date();
-                Date start1 = DateUtil.addMonth(currentDate, -start);
-                Date end2 = DateUtil.addDay(DateUtil.addMonth(currentDate, -end - 1), 1);
-                query.setBirthStart(end2);
-                query.setBirthEnd(start1);
+                Date endDate = DateUtil.addMonth(currentDate, -start);
+                Date startDate = DateUtil.addDay(DateUtil.addMonth(currentDate, -end - 1), 1);
+                query.setBirthStart(startDate);
+                query.setBirthEnd(endDate);
             }
             System.out.println(query.convertToQuery().convertToMongoQuery().toString());
             List<MicroelementModel> models = microelementService.queryMicroelementList(query);
@@ -198,7 +198,7 @@ public class MicroelementFacade {
                     data.put("vcCardNo",babyModel.getVcCardNo());
                     data.put("mcardNo",babyModel.getMcertNo());
                     data.put("microelements", model.getMicroelements());
-                    data.put("age", DateUtil.getBabyMonthAge(babyModel.getBirth(), new Date()));
+                    data.put("age", com.lyms.platform.common.utils.StringUtils.emptyDeal(DateUtil.getBabyMonthAge(babyModel.getBirth(), new Date())));
                     data.put("mname", babyModel.getMname());
                     data.put("created", DateUtil.getyyyy_MM_dd(model.getCreated()));
                     dataList.add(data);