diff --git a/app/helpers/courses_helper.rb b/app/helpers/courses_helper.rb
index f0d58adbb..0e79f11de 100644
--- a/app/helpers/courses_helper.rb
+++ b/app/helpers/courses_helper.rb
@@ -42,6 +42,14 @@ module CoursesHelper
     end
   end
 
+  def practice_homework_count course
+    homeworks = course.homework_commons.practices
+    publish_count = homeworks.select{|homework| homework.publish_time.present? && homework.publish_time <= Time.now}.size
+    unpublish_count = homeworks.select{|homework| homework.publish_time.nil? || homework.publish_time > Time.now}.size
+    all_count = homeworks.size
+    {publish_count: publish_count, unpublish_count: unpublish_count, all_count: all_count}
+  end
+
   # 课堂模块的url
   def module_url mod, course
     return nil if mod.blank? or course.blank?
diff --git a/app/views/homework_commons/_second_category.json.jbuilder b/app/views/homework_commons/_second_category.json.jbuilder
index c6dfa76a0..04890e70c 100644
--- a/app/views/homework_commons/_second_category.json.jbuilder
+++ b/app/views/homework_commons/_second_category.json.jbuilder
@@ -1,6 +1,10 @@
 json.main_category main_catrgory do |category|
   json.main_category_id 0
   json.main_category_name category.module_name
+  homework_count = practice_homework_count category.course
+  json.publish_count homework_count[:publish_count]
+  json.unpublish_count homework_count[:unpublish_count]
+  json.all_count homework_count[:all_count]
 end
 json.homework_category homework_category do |category|
   json.category_id category.id