修正sql语句不规范问题

Author: heavyrian2012

src/main/java/cn/wildfirechat/app/jpa/UserConferenceRepository.java

@@ -17,7 +17,7 @@ public interface UserConferenceRepository extends PagingAndSortingRepository<Use
     @Query(value = "delete from user_conference where user_id = ?1 and conference_id = ?2", nativeQuery = true)
     void deleteByUserIdAndConferenceId(String userId, String conferenceId);
 
-    @Query(value = "select c.* from user_conference uc, conference c where uc.user_id = ?1 and uc.conference_id = c.id and (c.end_time = 0 or c.end_time > ?2) order by id desc", nativeQuery = true)
+    @Query(value = "select c.* from user_conference uc, conference c where uc.user_id = ?1 and uc.conference_id = c.id and (c.end_time = 0 or c.end_time > ?2) order by c.id desc", nativeQuery = true)
     List<ConferenceDTO> findByUserId(String userId, long now);
 
     Optional<UserConference> findByUserIdAndConferenceId(String userId, String conferenceId);