diff --git a/hzims-service/hzims-middle/src/main/java/com/hnac/hzims/middle/systemlog/service/impl/StatisticsServiceImpl.java b/hzims-service/hzims-middle/src/main/java/com/hnac/hzims/middle/systemlog/service/impl/StatisticsServiceImpl.java
index 581533f..6a279e0 100644
--- a/hzims-service/hzims-middle/src/main/java/com/hnac/hzims/middle/systemlog/service/impl/StatisticsServiceImpl.java
+++ b/hzims-service/hzims-middle/src/main/java/com/hnac/hzims/middle/systemlog/service/impl/StatisticsServiceImpl.java
@@ -109,8 +109,12 @@ public class StatisticsServiceImpl extends ServiceImpl<StatisticsMapper, Statist
      */
     @Override
     public IPage<StatisticsResponseVo> selectPage(Page<StatisticsResponseVo> page1, StatisticsVo statistics) {
-        statistics.setCreateTime(statistics.getCreateTime().substring(0, 10));
-        statistics.setEndTime(statistics.getEndTime().substring(0, 10));
+        if (statistics.getCreateTime() != null) {
+            statistics.setCreateTime(statistics.getCreateTime().substring(0, 10));
+        }
+        if (statistics.getEndTime() != null) {
+            statistics.setEndTime(statistics.getEndTime().substring(0, 10));
+        }
         IPage<StatisticsResponseVo> statisticsResponseVoIPage = baseMapper.selectPages(page1, statistics);
         // List<StatisticsResponseVo> records = statisticsResponseVoIPage.getRecords();
         // List<StatisticsResponseVo> collect = records.stream().sorted(Comparator.comparing(StatisticsResponseVo::getSort)).collect(Collectors.toList());