diff --git a/app/models/subject.rb b/app/models/subject.rb
index fc43cfb11..99ba4b72b 100644
--- a/app/models/subject.rb
+++ b/app/models/subject.rb
@@ -65,6 +65,10 @@ class Subject < ApplicationRecord
     excellent ? CourseMember.where(role: 4, course_id: courses.pluck(:id)).pluck(:user_id).length : shixuns.pluck(:myshixuns_count).sum
   end
 
+  def myshixuns_count
+    shixuns.pluck(:myshixuns_count).sum
+  end
+
   def all_score
     subject_shixun_score + subject_shixun_choose_score
   end
diff --git a/app/views/weapps/subjects/show.json.jbuilder b/app/views/weapps/subjects/show.json.jbuilder
index 29a30a89a..476e3e797 100644
--- a/app/views/weapps/subjects/show.json.jbuilder
+++ b/app/views/weapps/subjects/show.json.jbuilder
@@ -3,7 +3,7 @@ json.subject do
   json.description @subject.description
   json.shixuns_count @subject.shixuns_count
   json.challenges_count @subject.subject_challenge_count
-  json.member_count @subject.member_count
+  json.member_count @subject.myshixuns_count
   json.subject_score @subject.all_score
   json.learning_notes @subject.learning_notes
 end