diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index aaf24eadb..c1c0336be 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -26,12 +26,14 @@ class CoursesController < ApplicationController
                                                            :base_info, :get_historical_courses, :create_group_by_importing_file,
                                                            :attahcment_category_list,:export_member_scores_excel, :duplicate_course,
                                                            :switch_to_teacher, :switch_to_assistant, :switch_to_student, :exit_course,
-                                                           :informs, :update_informs, :join_excellent_course, :online_learning]
+                                                           :informs, :update_informs, :join_excellent_course, :online_learning,
+                                                           :update_task_position, :tasks_list]
   before_action :teacher_allowed, only: [:update, :destroy, :settings, :search_teacher_candidate,
                                          :transfer_to_course_group, :delete_from_course,
                                          :search_users, :add_students_by_search, :get_historical_courses, :add_teacher_popup, :add_teacher]
   before_action :admin_allowed, only: [:set_invite_code_halt, :set_public_or_private, :change_course_admin,
-                                       :set_course_group, :create_group_by_importing_file, :update_informs]
+                                       :set_course_group, :create_group_by_importing_file, :update_informs,
+                                       :update_task_position, :tasks_list]
   before_action :teacher_or_admin_allowed, only: [:graduation_group_list, :create_graduation_group, :join_graduation_group,
                                                   :change_course_teacher, :export_member_scores_excel, :course_group_list,
                                                   :teacher_application_review, :apply_teachers, :delete_course_teacher]
@@ -1115,6 +1117,14 @@ class CoursesController < ApplicationController
     render_ok(count: count, courses: courses.select(:id, :name).as_json)
   end
 
+  def tasks_list
+
+  end
+
+  def update_task_position
+
+  end
+
   private
 
   # Use callbacks to share common setup or constraints between actions.
diff --git a/app/models/homework_common.rb b/app/models/homework_common.rb
index e510ca666..ae6ecfd5d 100644
--- a/app/models/homework_common.rb
+++ b/app/models/homework_common.rb
@@ -48,9 +48,9 @@ class HomeworkCommon < ApplicationRecord
   scope :search_homework_type, lambda {|num| where(homework_type:num)}
   scope :unified_setting, -> {where("unified_setting = ? ", 1)}
 
-  scope :normals,  -> {where(homework_type: %i[normal])}
-  scope :groups,  -> {where(homework_type: %i[group])}
-  scope :practices,  -> {where(homework_type: %i[practice])}
+  scope :normals,  -> {where(homework_type: %i[normal]).order("position desc")}
+  scope :groups,  -> {where(homework_type: %i[group]).order("position desc")}
+  scope :practices,  -> {where(homework_type: %i[practice]).order("position desc")}
 
   # 是否显示参考答案
   def view_answer identity, user_id
diff --git a/config/routes.rb b/config/routes.rb
index 2ecd6502e..7577f3afb 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -351,6 +351,8 @@ Rails.application.routes.draw do
         post 'update_informs'
         get 'online_learning'
         post 'join_excellent_course'
+        get 'tasks_list'
+        post 'update_task_position'
       end
 
       collection do