diff --git a/web-domain/src/main/java/com/zcloud/edu/domain/model/archives/PersonArchivesE.java b/web-domain/src/main/java/com/zcloud/edu/domain/model/archives/PersonArchivesE.java
index 0ed9912..f2f6eec 100644
--- a/web-domain/src/main/java/com/zcloud/edu/domain/model/archives/PersonArchivesE.java
+++ b/web-domain/src/main/java/com/zcloud/edu/domain/model/archives/PersonArchivesE.java
@@ -172,7 +172,7 @@ public class PersonArchivesE extends BaseE {
         setNumberofexams(classE.getNumberofexams());
         String trainSubject = classCurList.stream().map(ClassCurriculumE::getCurriculumName).collect(Collectors.joining(","));
         setTrainSubject(trainSubject);
-        setTrainDurationTime(DateUtil.getMinuteSub(classE.getStartTime(), classE.getEndTime()));
+        setTrainDurationTime(DateUtil.getSecondSub(classE.getStartTime(), classE.getEndTime()));
     }
 
     public void initAttendanceRecord(StudentE studentE, ClassE classE, List<ClassCurriculumChapterE> chapterEList, List<ClassCurriculumE> classCurList) {
@@ -268,7 +268,7 @@ public class PersonArchivesE extends BaseE {
             setExamination(classE.getExamination());
             setNumberofexams(classE.getNumberofexams());
             setCorpName(classE.getCorpName());
-            setTrainDurationTime(DateUtil.getMinuteSub(classE.getStartTime(), classE.getEndTime()));
+            setTrainDurationTime(DateUtil.getSecondSub(classE.getStartTime(), classE.getEndTime()));
         }
 
         if (classCurList != null && classCurList.size() > 0){