diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
index e69a33ec..0f033d20 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
@@ -214,38 +214,40 @@ public class StudyServiceImpl implements IStudyService{
 
 	}
 
+	// 更新 前端传输已学习时长
 	@Override
 	@Transactional
 	public void updateLastTime(String studyContentId, int lastStudyTime,String aid) {
 		// 获取时长
 		StudyCourseItem sci = scItemDao.findOne(FieldFilters.eq("id", studyContentId),FieldFilters.eq("aid", aid));
-		Integer endTime = sci.getLastStudyTime();
-		// 间隔时长
-		int abs = 0;
-		if(lastStudyTime - endTime < 0){
-			//从头开始
-			abs = lastStudyTime;
-		}else{
-			// 获取时长
-			abs = lastStudyTime - endTime;
-		}
+//		Integer endTime = sci.getLastStudyTime();
+//		// 间隔时长
+//		int abs = 0;
+//		if(lastStudyTime - endTime < 0){
+//			//从头开始
+//			abs = lastStudyTime;
+//		}else{
+//			// 获取时长
+//			abs = lastStudyTime - endTime;
+//		}
 		// 更新最后的学习时间点
 		LocalDateTime now=LocalDateTime.now();
 		UpdateBuilder update=UpdateBuilder.from(StudyCourseItem.class);
 		update.addFilter(FieldFilters.eq("id",studyContentId));
 		//只记录时间长的时候的处理
-		update.addFilter(FieldFilters.lt("lastStudyTime", lastStudyTime));
-		update.addUpdateField("lastStudyTime", lastStudyTime);
+//		update.addFilter(FieldFilters.lt("lastStudyTime", sci.getLastStudyTime()));
+		update.addUpdateField("lastStudyTime", sci.getLastStudyTime()+lastStudyTime);
 		update.addUpdateField("lastTime", now);
 		scItemDao.update(update.builder());
 		//增加用户的学习时长,在api中调用
 
 		// 添加学习时长
 		String contentId = sci.getContentId();
-		UpdateBuilder updSc=UpdateBuilder.from(StudyCourse.class);
 
 		// 追加总时长
-		String sql="Update boe_study_course set total_duration=total_duration+"+abs+",status=(case when status<2 then 2 else status end),progress=(case when progress=0 then 1 else progress end) where id=?1";
+//		String sql="Update boe_study_course set total_duration=total_duration+"+abs+",status=(case when status<2 then 2 else status end),progress=(case when progress=0 then 1 else progress end) where id=?1";
+		String sql="Update boe_study_course set total_duration=total_duration+"+lastStudyTime+",status=(case when status<2 then 2 else status end),progress=(case when progress=0 then 1 else progress end) where id=?1";
+
 		scDao.sqlUpdate(sql,contentId);
 	}