diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index e52b8434b..49e6ec290 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -18,10 +18,10 @@ class HomeworkCommonController < ApplicationController
     @is_teacher = User.current.logged? && (User.current.admin? || User.current.allowed_to?(:as_teacher,@course))
     if @is_teacher
       @homeworks = @course.homework_commons.order("updated_at desc").limit(10).offset(@page * 10)
-      @homework_commons = @course.homework_commons.order("created_at desc").limit(10).offset(@page * 10)
+      @homework_commons = @course.homework_commons.order("created_at desc")
     else
       @homeworks = @course.homework_commons.where("publish_time <= '#{Date.today}'").order("updated_at desc").limit(10).offset(@page * 10)
-      @homework_commons = @course.homework_commons.where("publish_time <= '#{Date.today}'").order("created_at desc").limit(10).offset(@page * 10)
+      @homework_commons = @course.homework_commons.where("publish_time <= '#{Date.today}'").order("created_at desc")
     end
     @is_student = User.current.logged? && (User.current.admin? || (User.current.member_of_course?(@course) && !@is_teacher))
     @is_new = params[:is_new]