调整

app/controllers/subjects_controller.rb

@@ -84,6 +84,7 @@ class SubjectsController < ApplicationController
     @is_manager = @user.manager_of_subject?(@subject)
     # 合作团队
     @shixuns = @subject.shixuns.published.pluck(:id)
+    @courses = @subject.courses id if @subject.excellent
 
     # 访问数变更
     @subject.increment!(:visits)

app/helpers/subjects_helper.rb

@@ -16,4 +16,6 @@ module SubjectsHelper
     ChallengeTag.joins("join games on challenge_tags.challenge_id = games.challenge_id").
       where(challenge_id: challenge_ids, games: {status: 2, user_id: user_id}).pluck("challenge_tags.name").uniq
   end
+
+
 end

app/views/subjects/show.json.jbuilder

@@ -13,5 +13,11 @@ json.allow_visit @subject.status > 1 || @is_manager
 json.allow_add_member @is_manager
 
 if @subject.excellent
-
+  @courses.each do |course|
+    json.start_date course.start_date.beginning_of_day
+    json.end_date course.end_date.end_of_day
+    json.student_count course.students.count
+    json.course_identity @user.course_identity(course)
+    json.course_status course
+  end
 end