开始时间不生效

src/main/java/com/peanut/modules/master/service/impl/CourseCatalogueChapterVideoServiceImpl.java

@@ -74,7 +74,7 @@ public class CourseCatalogueChapterVideoServiceImpl extends ServiceImpl<CourseCa
             List<UserCourseBuyEntity> userCourseBuyEntities = userCourseBuyDao.selectList(new LambdaQueryWrapper<UserCourseBuyEntity>()
                     .eq(UserCourseBuyEntity::getUserId, uId)
                     .eq(UserCourseBuyEntity::getCatalogueId, courseCatalogueEntity.getId())
-                    .eq(UserCourseBuyEntity::getEndTime,null));
+                    .isNull(UserCourseBuyEntity::getEndTime));
             if (userCourseBuyEntities.size()>0){
                 for (UserCourseBuyEntity u:userCourseBuyEntities){
                     u.setStartTime(new Date());