fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/grade/service/impl/ClassGradeUserServiceImpl.java

@@ -1783,6 +1783,12 @@ public class ClassGradeUserServiceImpl extends ServiceImpl<ClassGradeUserMapper,
                             classPeriodChapterVo.setAuditUserName(userPeriodStatusVo.getAuditUserName());
                             classPeriodChapterVo.setPeriodStatusId(userPeriodStatusVo.getId());
                             classPeriodChapterVo.setPerformance(Convert.toBigDecimal(userPeriodStatusVo.getPerformance()));
+                            if(startTotalTime==0L||startTotalTime.longValue()>classPeriodChapterVo.getStudyStartTime().longValue()){
+                                startTotalTime = classPeriodChapterVo.getStudyStartTime();
+                            }
+                            if(endTotalTime==0L||endTotalTime.longValue()<classPeriodChapterVo.getStudyEndTime().longValue()){
+                                endTotalTime = classPeriodChapterVo.getStudyEndTime();
+                            }
                         }
 
                     }