diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index a81ade3fa..373801963 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -589,7 +589,7 @@ class UsersController < ApplicationController
         new_homework.homework_detail_programing.save if new_homework.homework_detail_programing
         new_homework.homework_detail_group.save if new_homework.homework_detail_group
       end
-      homework.update_attribute(:quotes, homework.quotes+1)
+      homework.update_column(:quotes, homework.quotes+1)
     end
     @homework = homework
     respond_to do |format|
@@ -862,7 +862,7 @@ class UsersController < ApplicationController
 
       student_work.save
       send_message_to_teacher(student_work)
-      homework.update_attributes(:updated_at => Time.now)
+      homework.update_column(:updated_at, Time.now)
       update_course_activity(homework.class,homework.id)
       update_user_activity(homework.class,homework.id)
       update_org_activity(homework.class,homework.id)
@@ -950,7 +950,7 @@ class UsersController < ApplicationController
           homework_detail_group.save if homework_detail_group
           if params[:quotes] && !params[:quotes].blank?
             quotes_homework = HomeworkCommon.find params[:quotes].to_i
-            quotes_homework.update_attribute(:quotes, quotes_homework.quotes+1)
+            quotes_homework.update_column(:quotes, quotes_homework.quotes+1)
           end
           if params[:is_in_course] == "1"
             redirect_to homework_common_index_path(:course => homework.course_id)