diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 48f644a14..46ac514b4 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_users, teacher: :user_extension)
+    @courses = @courses.preload(:school, :none_hidden_course_modules, teacher: :user_extension)
   end
 
   def course_videos
diff --git a/app/controllers/weapps/courses_controller.rb b/app/controllers/weapps/courses_controller.rb
index 2a375a7fb..1dec62201 100644
--- a/app/controllers/weapps/courses_controller.rb
+++ b/app/controllers/weapps/courses_controller.rb
@@ -76,6 +76,7 @@ class Weapps::CoursesController < Weapps::BaseController
   def show
     @course = current_course
     @current_user = current_user
+    @teacher_users =  @course.teacher_users.where.not(user_id: @course.tea_id).map(&:real_name)[0..2]
   end
 
   def shixun_homework_category
diff --git a/app/controllers/weapps/homes_controller.rb b/app/controllers/weapps/homes_controller.rb
index e53923fa8..3e94354a2 100644
--- a/app/controllers/weapps/homes_controller.rb
+++ b/app/controllers/weapps/homes_controller.rb
@@ -19,7 +19,7 @@ class Weapps::HomesController < Weapps::BaseController
     @courses = @courses.where(id: current_laboratory.all_courses)
     @course_count = @courses.count
     order_str = "course_members.sticky=1 desc, course_members.sticky_time desc, courses.created_at desc"
-    @courses = paginate(@courses.order(order_str).includes(:teacher, :school))
+    @courses = paginate(@courses.order(order_str).includes(:teacher_users, :teacher, :school))
     @user = current_user
   end
 end
\ No newline at end of file
diff --git a/app/views/courses/index.json.jbuilder b/app/views/courses/index.json.jbuilder
index a8b70c435..f9bceebb8 100644
--- a/app/views/courses/index.json.jbuilder
+++ b/app/views/courses/index.json.jbuilder
@@ -13,6 +13,5 @@ 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/weapps/courses/show.json.jbuilder b/app/views/weapps/courses/show.json.jbuilder
index c22b24426..cf58315b4 100644
--- a/app/views/weapps/courses/show.json.jbuilder
+++ b/app/views/weapps/courses/show.json.jbuilder
@@ -1,4 +1,5 @@
 json.(@course, :id, :name, :course_members_count, :credit, :invite_code_halt)
 json.teachers_count @course.teachers.count
 json.students_count @course.students.count
-json.course_identity @current_user.course_identity(@course)
\ No newline at end of file
+json.course_identity @current_user.course_identity(@course)
+json.teacher_users @teacher_users
\ No newline at end of file
diff --git a/app/views/weapps/homes/show.json.jbuilder b/app/views/weapps/homes/show.json.jbuilder
index f307d64fe..5d0e35e05 100644
--- a/app/views/weapps/homes/show.json.jbuilder
+++ b/app/views/weapps/homes/show.json.jbuilder
@@ -26,5 +26,6 @@ json.courses @courses.each do |course|
   course_member = @category == "study" ? course.students.where(user_id: @user.id).first : course.teachers.where(user_id: @user.id).first
   json.sticky course_member.sticky
   json.course_identity current_user.course_identity(course)
+  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