diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyExamServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyExamServiceImpl.java
index 4bf148be..64362fc9 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyExamServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyExamServiceImpl.java
@@ -76,7 +76,6 @@ public class StudyExamServiceImpl implements IStudyExamService{
 		int progress = exam.getScore().intValue() >= exam.getPassLine() ? 100 : 0;
 		//计算时长
 		LocalDateTime ldt=LocalDateTime.now();
-		Integer studyDuration = Math.toIntExact(Duration.between(exam.getStartTime(), ldt).getSeconds());
 
 		if(obj==null) {
 			StudyCourseItem sci=new StudyCourseItem();
@@ -94,7 +93,7 @@ public class StudyExamServiceImpl implements IStudyExamService{
 			sci.setLastStudyTime(0);//此项用户记录视频内容当前学习的时间点
 			sci.setLastTime(ldt);
 			sci.setScore(exam.getScore());
-			sci.setStudyDuration(studyDuration);
+			sci.setStudyDuration(exam.getTestDuration());
 			scItemDao.save(sci);
 			exam.setStudyItemId(sci.getId());
 			dao.save(exam);
@@ -113,11 +112,11 @@ public class StudyExamServiceImpl implements IStudyExamService{
 			if (cexam.getScoringType() == CourseExam.SCORINGTYPE_LAST) {
 				scItemDao.updateMultiFieldById(exam.getStudyItemId(),
 						UpdateBuilder.create("startTime", exam.getStartTime()),
-						UpdateBuilder.create("finishTime", LocalDateTime.now()),
+						UpdateBuilder.create("finishTime", ldt),
 						UpdateBuilder.create("score", exam.getScore()),
 						UpdateBuilder.create("progress", progress),
 						UpdateBuilder.create("status", status),
-						UpdateBuilder.create("studyDuration", studyDuration)
+						UpdateBuilder.create("studyDuration", exam.getTestDuration())
 				);
 			}