@ -1,4 +1,4 @@
json.(@subject, :id, :name, :description, :learning_notes, :stages_count, :stage_shixuns_count)
json.(@subject, :id, :name, :description, :learning_notes, :stages_count, :stage_shixuns_count, :shixuns_count)
json.challenge_choose_count @subject.subject_challenge_choose_count
json.challenges_count @subject.subject_challenge_count