diff --git a/hzims-service/operational/src/main/java/com/hnac/hzims/operational/fill/service/impl/GenerateServiceImpl.java b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/fill/service/impl/GenerateServiceImpl.java
index 3463168..f83a10c 100644
--- a/hzims-service/operational/src/main/java/com/hnac/hzims/operational/fill/service/impl/GenerateServiceImpl.java
+++ b/hzims-service/operational/src/main/java/com/hnac/hzims/operational/fill/service/impl/GenerateServiceImpl.java
@@ -284,20 +284,16 @@ public class GenerateServiceImpl extends BaseServiceImpl<GenerateMapper, Generat
      */
     private List<String> days(Date date) {
         List<String> list = new ArrayList<>();
-        // 结束日期
-        Calendar endCal = Calendar.getInstance();
-        endCal.setTime(new Date());
-        endCal.add(Calendar.MONTH, -endCal.get(Calendar.MONTH) + 1);
-        endCal.add(Calendar.DATE, -endCal.get(Calendar.DATE) + 1);
-
-        // 开始日期
-        Calendar startCal = Calendar.getInstance();
-        startCal.setTime(new Date());
-        startCal.add(Calendar.DATE, -startCal.get(Calendar.DATE) + 1);
-        // 获取日期之间的月份
-        while (endCal.after(startCal)) {
-            list.add(DateUtil.format(startCal.getTime(),DateUtil.PATTERN_DATE));
-            startCal.add(Calendar.DAY_OF_MONTH, 1);
+        Calendar calendar = Calendar.getInstance();
+        calendar.add(Calendar.MONTH, 1);
+        calendar.add(Calendar.DAY_OF_MONTH, -calendar.get(Calendar.DAY_OF_MONTH) + 1);
+        Date end = calendar.getTime();
+        calendar.add(Calendar.MONTH, -1);
+        Date start = calendar.getTime();
+        while (start.compareTo(end) < 0){
+            list.add(DateUtil.format(start,DateUtil.PATTERN_DATE));
+            calendar.add(Calendar.DAY_OF_MONTH, 1);
+            start = calendar.getTime();
         }
         return list;
     }