update

mec-im/src/main/java/com/ym/service/Impl/RoomServiceImpl.java

@@ -125,9 +125,9 @@ public class RoomServiceImpl implements RoomService {
         String userId = sysUser.getId().toString();
         Teacher teacher = teacherDao.get(Integer.parseInt(userId));
         CourseSchedule courseSchedule = courseScheduleDao.get(Long.parseLong(roomId));
-        /*if(courseSchedule.getTeachMode() == TeachModeEnum.OFFLINE){
+        if(courseSchedule.getTeachMode() == TeachModeEnum.OFFLINE){
             throw new ApiException(ErrorEnum.JOIN_ROOM_ERROR, "加入房间失败,请前往线下教室");
-        }*/
+        }
         if(teacher != null && userId.equals(courseSchedule.getActualTeacherId())){
             courseScheduleStudentPaymentDao.adjustPlayMidi(Long.parseLong(roomId),null,null);
             userName = sysUser.getRealName();
@@ -391,7 +391,7 @@ public class RoomServiceImpl implements RoomService {
         roomMemberDao.save(roomMember);
     }
 
-    @Transactional(rollbackFor = Exception.class, isolation = Isolation.READ_COMMITTED)
+    @Transactional(rollbackFor = Exception.class, isolation = Isolation.SERIALIZABLE)
     @Override
     public Boolean leaveRoom(String roomId) throws Exception {
         SysUser user = sysUserFeignService.queryUserInfo();