diff --git a/app/views/subjects/show.json.jbuilder b/app/views/subjects/show.json.jbuilder
index 25c2962cc..92e3f0c10 100644
--- a/app/views/subjects/show.json.jbuilder
+++ b/app/views/subjects/show.json.jbuilder
@@ -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