update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/MusicGroupSubjectPlanServiceImpl.java

@@ -24,6 +24,8 @@ import javax.annotation.Resource;
 import java.math.BigDecimal;
 import java.util.Date;
 import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
 
 @Service
 public class MusicGroupSubjectPlanServiceImpl extends BaseServiceImpl<Integer, MusicGroupSubjectPlan> implements MusicGroupSubjectPlanService {
@@ -146,16 +148,13 @@ public class MusicGroupSubjectPlanServiceImpl extends BaseServiceImpl<Integer, M
     @Override
     public MusicGroupRegRespDto getMusicGroupRegInfo(String musicGroupId) {
         MusicGroupRegRespDto musicGroupRegResp = new MusicGroupRegRespDto();
-
-        //乐团信息
-        MusicGroup musicGroup = musicGroupService.get(musicGroupId);
+        MusicGroup musicGroup = Optional.ofNullable(musicGroupService.get(musicGroupId)).orElseThrow(()->new BizException("乐团信息不存在"));
         musicGroupRegResp.setMusicGroupName(musicGroup.getName());
         musicGroupRegResp.setCourseViewType(musicGroup.getCourseViewType());
         musicGroupRegResp.setMusicGroupStatus(musicGroup.getStatus().getCode());
         //声部信息
         List<Subject> subjectList = subjectService.findSubByMusicGroupId(musicGroupId);
         musicGroupRegResp.setSubjectList(subjectList);
-
         return musicGroupRegResp;
     }