fixed bug

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

@@ -102,12 +102,15 @@ public class CourseService extends ServiceImpl<CourseMapper, CoursePO> {
     }
 
     private void setFavorite(CourseDetailModel model) {
+        if (UserContext.getUser() != null){
             UserFavoritesPO po = userFavoritesService.findByUserIdAndCourseId(UserContext.getUserId(),model.getId());
             if (po != null){
                 model.setFavorite(true);
             }
         }
 
+    }
+
     private void addOrgInfo(CourseDetailModel model) {
         if (model.getAllow() == CourseAllowEnum.SPECIFY){
             List<CourseAllowEnterpriseModel> allowOrgList = baseMapper.selectOrgListByCourseId(model.getId());