e, bug

app/controllers/bids_controller.rb

@@ -410,7 +410,7 @@ class BidsController < ApplicationController
       @homework = HomeworkAttach.new
       #@homework_list = @bid.homeworks
       #增加作业按评分排序，
-      @homework_list = @bid.homeworks.joins(:rate_averages, :user, :attachments).order('seems_rateable_cached_ratings.avg DESC')
+      @homework_list = @bid.homeworks.eager_load(:rate_averages, :user, :attachments).order('seems_rateable_cached_ratings.avg DESC')
       if params[:student_id].present?
         @temp = []
         @homework_list.each do |pro|