diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 4c01a7dc0..bb37283ca 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -89,10 +89,9 @@ class HomeworkCommonsController < ApplicationController
     @homework_commons = @homework_commons.page(page).per(15)
 
     if @homework_type == 4
-      @homework_commons = @homework_commons.includes(:homework_detail_manual, :published_settings, :shixuns, :student_works)
+      @homework_commons = @homework_commons.includes(:homework_detail_manual, :published_settings, :shixuns)
     else
-      @homework_commons = @homework_commons.includes(:homework_detail_manual, :published_settings, :homework_detail_group,
-                                                     :student_works)
+      @homework_commons = @homework_commons.includes(:homework_detail_manual, :published_settings, :homework_detail_group)
     end
   end