diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogStatisticsServiceImpl.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogStatisticsServiceImpl.java
index b5b75bc2..bfa6eab7 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogStatisticsServiceImpl.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogStatisticsServiceImpl.java
@@ -335,7 +335,10 @@ public class LogStatisticsServiceImpl implements LogStatisticsService {
 
     @Override
     public List<LogStatisticsModelVO> getNeedWriteHistory(NeedWriteHistoryDTO dto) {
-        List<String> dateList = DateUtils.betweenDayList(dto.getBeginTime(), dto.getEndTime());
+        List<String> dateList = new ArrayList<>();
+        if (dto.getBeginTime() != null && dto.getEndTime() != null) {
+            dateList = DateUtils.betweenDayList(dto.getBeginTime(), dto.getEndTime());
+        }
         dto.setUserId(SecurityFrameworkUtils.getLoginUserId());
         // 这里将区间转换为具体的日期 因为mysql BETWEEN 会导致索引失效
         return logStatisticsMapper.getNeedWriteHistory(dto, dateList);