update

edu-user/edu-user-server/src/main/java/com/keao/edu/user/service/impl/ExamSubjectSongServiceImpl.java

@@ -93,12 +93,12 @@ public class ExamSubjectSongServiceImpl extends BaseServiceImpl<Long, ExamSubjec
 			}
 
 			boolean praNNull = Objects.isNull(examSubjectSong.getPracticeNum());
-			boolean praSNull = Objects.isNull(examSubjectSong.getPracticeSongIdList());
-			boolean praNull = praNNull&&praSNull;
+			boolean praSNull = StringUtils.isBlank(examSubjectSong.getPracticeSongIdList());
+			boolean praNull = praNNull||praSNull;
 
 			boolean perNNull = Objects.isNull(examSubjectSong.getPerformNum());
-			boolean perSNull = Objects.isNull(examSubjectSong.getPerformSongIdList());
-			boolean perNull = perNNull&&perSNull;
+			boolean perSNull = StringUtils.isBlank(examSubjectSong.getPerformSongIdList());
+			boolean perNull = perNNull||perSNull;
 
 			if(praNull&&perNull){
 				throw new BizException("参数错误");