fixed bug

src/main/java/com/qkdata/biz/management/service/CourseService.java

@@ -390,7 +390,7 @@ public class CourseService extends ServiceImpl<CourseMapper, CoursePO> {
         po.setModel(CourseModelEnum.VOD);
         po.setSeriesId(model.getSeriesId());
         po.setAllow(model.getAllow());
-        save(po);
+        saveOrUpdate(po);
         return po.getId();
     }