fix

cooleshow-user/user-admin/src/main/java/com/yonge/cooleshow/admin/controller/TenantAlbumController.java

@@ -147,7 +147,9 @@ public class TenantAlbumController {
                 if (StringUtils.isNotBlank(musicSubject)){
                     //设置对应声部名称
                     List<Subject> subject = subjectService.findBySubjectByIdList(musicSubject);
-                    t.setMusicSubjectName(subject.get(0).getName());
+                    if (CollectionUtils.isNotEmpty(subject)) {
+                        t.setMusicSubjectName(subject.get(0).getName());
+                    }
                 }