diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/IAloneExamService.java b/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/IAloneExamService.java
index 0e6362b8..d0acf6e7 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/IAloneExamService.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/IAloneExamService.java
@@ -163,6 +163,4 @@ public interface IAloneExamService {
 
 	void examScoreBatchAdd(HttpServletRequest request, List<SaveExamScoreDto> saveExamScoreDtoList);
 
-	void syncExamScoreToCourseSuite(AloneExamAnswer aea, HttpServletRequest request)
-
 }
diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/impl/AloneExamServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/impl/AloneExamServiceImpl.java
index 5dc6b658..74dabf3d 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/impl/AloneExamServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/exam/service/impl/AloneExamServiceImpl.java
@@ -72,7 +72,7 @@ public class AloneExamServiceImpl implements IAloneExamService{
 	}
 
 	@Override
-	@Transactional
+	@Transactional(propagation = Propagation.REQUIRES_NEW)
 	public void submit(AloneExamAnswer aea, Integer scoreType, HttpServletRequest request){
 		//dao.update(aea);
 		aea.setStatus(AloneExamAnswer.STATUS_FINISH);
@@ -123,7 +123,6 @@ public class AloneExamServiceImpl implements IAloneExamService{
 		syncExamScoreToCourseSuite(aea, request);
 	}
 
-	@Transactional(propagation = Propagation.NOT_SUPPORTED)
 	public void syncExamScoreToCourseSuite(AloneExamAnswer aea, HttpServletRequest request) {
 		String token = request.getHeader("Xboe-Access-Token");
 		if (StringUtils.isEmpty(token)) {