diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 46ac514b4..46bb3fe06 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -99,7 +99,7 @@ class CoursesController < ApplicationController
     limit = params[:limit] || 16
 
     @courses = @courses.page(page).per(limit)
-    @courses = @courses.preload(:school, :none_hidden_course_modules, teacher: :user_extension)
+    @courses = @courses.preload(:school, :teacher_users, :none_hidden_course_modules, teacher: :user_extension)
   end
 
   def course_videos
@@ -1306,6 +1306,7 @@ class CoursesController < ApplicationController
     @user = current_user
     @switch_student = Course::BUSINESS < @user_course_identity && @user_course_identity < Course::STUDENT
     @is_student = @user_course_identity == Course::STUDENT
+    @teacher_users =  @course.teacher_users.where.not(id: @course.tea_id).map(&:real_name)[0..2]
     @course.increment!(:visits)
   end
 
diff --git a/app/controllers/users/courses_controller.rb b/app/controllers/users/courses_controller.rb
index 95a006392..2e370922b 100644
--- a/app/controllers/users/courses_controller.rb
+++ b/app/controllers/users/courses_controller.rb
@@ -5,7 +5,7 @@ class Users::CoursesController < Users::BaseController
     courses = courses.where(id: current_laboratory.all_courses)
 
     @count = courses.count
-    @courses = paginate(courses.includes(teacher: { user_extension: :school }), special: observed_user.is_teacher?)
+    @courses = paginate(courses.includes(:teacher_users, teacher: { user_extension: :school }), special: observed_user.is_teacher?)
   end
 
   private
diff --git a/app/views/courses/index.json.jbuilder b/app/views/courses/index.json.jbuilder
index f9bceebb8..b1c095ff1 100644
--- a/app/views/courses/index.json.jbuilder
+++ b/app/views/courses/index.json.jbuilder
@@ -13,5 +13,7 @@ json.courses @courses do |course|
     json.is_end course.is_end
     json.first_category_url module_url(course.none_hidden_course_modules.first, course)
     json.excellent course.excellent
+    json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..2] # 取前3名老师
+
 end
 json.courses_count @courses_count
diff --git a/app/views/courses/top_banner.json.jbuilder b/app/views/courses/top_banner.json.jbuilder
index b5ed437e3..cf8da8b66 100644
--- a/app/views/courses/top_banner.json.jbuilder
+++ b/app/views/courses/top_banner.json.jbuilder
@@ -22,6 +22,8 @@ json.switch_to_assistant switch_assistant_role(@is_student, @course, @user)
 #json.copy_course !@user.member_of_course?(@course) && @user.is_teacher?
 json.course_identity @user_course_identity
 json.excellent @course.excellent
+# 协作老师
+json.teacher_users @teacher_users
 if @course.is_end == 0
   json.days_remaining (@course.end_date.to_date - Time.now.to_date).to_i
 end
diff --git a/app/views/users/courses/shared/_course.json.jbuilder b/app/views/users/courses/shared/_course.json.jbuilder
index a0c5ddc73..d3de455a8 100644
--- a/app/views/users/courses/shared/_course.json.jbuilder
+++ b/app/views/users/courses/shared/_course.json.jbuilder
@@ -7,6 +7,8 @@ json.homework_commons_count get_tasks_count course
 json.attachments_count course.attachments.count
 json.visits course.visits
 json.school course.school&.name
+json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..2] # 取前3名老师
+
 
 json.first_category_url module_url(course.course_modules.where(hidden: 0).order(position: :desc).first, course)