1、陪练课调整

2、付费陪练课

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

@@ -2095,6 +2095,9 @@ public class PracticeGroupServiceImpl extends BaseServiceImpl<Long, PracticeGrou
         }
         Date now=new Date();
         PracticeGroupDto userPracticeGroup = practiceGroupDao.findUserPracticeGroup2(userId, groupId);
+        if(Objects.isNull(userPracticeGroup)){
+            throw new BizException("需要续费的课程组不存在");
+        }
         if(userPracticeGroup.getCoursesExpireDate().before(now)){
             throw new BizException("此课程组已超过可续费期限");
         }