diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/stats/impl/ScreenCentralZoneDataExtractServiceImpl.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/stats/impl/ScreenCentralZoneDataExtractServiceImpl.java
index 99c45d2f95..feceadf83d 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/stats/impl/ScreenCentralZoneDataExtractServiceImpl.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/stats/impl/ScreenCentralZoneDataExtractServiceImpl.java
@@ -67,6 +67,7 @@ public class ScreenCentralZoneDataExtractServiceImpl implements ScreenCentralZon
         List<ScreenUserTotalDataEntity> result =
                 factRegUserGridDailyDao.selectUserAndPartymemberByOrgLevel(ORG_LEVEL_AGENCY,customerId,dimId);
         if(CollectionUtils.isEmpty(result)){
+            // 根据dateId查询为空，先根据当前时间-1天是否和dateId相等，相等的话，查询往前推2天的数据
             if(DateUtils.getBeforeNDay(NumConstant.ONE).equals(dimId)){
                 result = factRegUserGridDailyDao.selectUserAndPartymemberByOrgLevel(ORG_LEVEL_AGENCY,customerId,DateUtils.getBeforeNDay(NumConstant.TWO));
             }