diff --git a/app/controllers/bids_controller.rb b/app/controllers/bids_controller.rb
index ba1a2b817..5f20d2cef 100644
--- a/app/controllers/bids_controller.rb
+++ b/app/controllers/bids_controller.rb
@@ -496,7 +496,12 @@ class BidsController < ApplicationController
         @homework = HomeworkAttach.new
         #@homework_list = @bid.homeworks
         #增加作业按评分排序，
-        @homework_list = @bid.homeworks.eager_load(:rate_averages, :user, :attachments).order('seems_rateable_cached_ratings.avg DESC').order("#{HomeworkAttach.table_name}.created_at ASC")
+        #@homework_list = @bid.homeworks.eager_load(:rate_averages, :user, :attachments).order('seems_rateable_cached_ratings.avg DESC').order("#{HomeworkAttach.table_name}.created_at ASC")
+         @homework_list = HomeworkAttach.eager_load(:attachments,:user,:rate_averages).find_by_sql("SELECT homework_attaches.*,
+            (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id = #{@bid.courses.first.teacher.id}) AS t_score,
+            (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id <> #{@bid.courses.first.teacher.id}) AS s_score
+            FROM homework_attaches WHERE bid_id = #{@bid.id} ORDER BY
+            (CASE WHEN t_score IS NULL THEN 0 ELSE t_score * 0.6 END + CASE WHEN s_score IS NULL THEN 0 ELSE s_score * 0.4 END) DESC,created_at ASC")
         if params[:student_id].present?
           @temp = []
           @homework_list.each do |pro|