处理study接口，studyitemid返回值为空的问题

servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java

@@ -98,8 +98,15 @@ public class StudyServiceImpl implements IStudyService{
 		//sci.setProgress(100);//直接设置为学习完成
 		sci.setLastTime(ldt);
 		scItemDao.saveOrUpdate(sci);
-		
-		dto.setStudyItemId(sci.getId());
+		StudyCourseItem sci2 = scItemDao.findOne(FieldFilters
+				.eq("studyId", dto.getStudyId()),FieldFilters
+				.eq("contentId", dto.getContentId()),FieldFilters
+				.eq("aid", dto.getAid()));
+		if (sci2!=null){
+			dto.setStudyItemId(sci2.getId());
+		}else {
+			throw new IllegalArgumentException("StudyItemId不能为空");
+		}
 		//检查是否全部学习完成
 		scDao.finishCheck(dto.getStudyId(),dto.getCourseId(),dto.getContentTotal(),token);