diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index 919ca0a34..18ce26c36 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -11,7 +11,9 @@ class HomeworkCommonController < ApplicationController
   before_filter :member_of_course, :only => [:index]
 
   def index
-    update_homework_time(@course.homework_commons)
+    unless params[:page]
+      update_homework_time(@course.homework_commons)
+    end
     @new_homework = HomeworkCommon.new
     @new_homework.homework_detail_manual = HomeworkDetailManual.new
     @new_homework.course = @course
diff --git a/app/controllers/words_controller.rb b/app/controllers/words_controller.rb
index de11246d0..86a78708b 100644
--- a/app/controllers/words_controller.rb
+++ b/app/controllers/words_controller.rb
@@ -276,8 +276,7 @@ class WordsController < ApplicationController
             ids = params[:asset_id].split(',')
             update_kindeditor_assets_owner ids,feedback[:id],OwnerTypeHelper::JOURNALSFORMESSAGE
           end
-          @homework_common.update_column(:updated_at, Time.now)
-          update_course_activity(@homework_common.class,@homework_common.id)
+          @homework_common.update_column('updated_at', Time.now)          update_course_activity(@homework_common.class,@homework_common.id)
           update_user_activity(@homework_common.class,@homework_common.id)
           update_org_activity(@homework_common.class,@homework_common.id)
           respond_to do |format|
@@ -311,7 +310,7 @@ class WordsController < ApplicationController
             ids = params[:asset_id].split(',')
             update_kindeditor_assets_owner ids,feedback[:id],OwnerTypeHelper::JOURNALSFORMESSAGE
           end
-          @homework_common.update_attributes(:updated_at => Time.now)
+          @homework_common.update_column('updated_at', Time.now)
           update_course_activity(@homework_common.class,@homework_common.id)
           update_user_activity(@homework_common.class,@homework_common.id)
           update_org_activity(@homework_common.class,@homework_common.id)
diff --git a/app/views/organizations/_org_course_homework.html.erb b/app/views/organizations/_org_course_homework.html.erb
index 068d50437..19cdcf2f1 100644
--- a/app/views/organizations/_org_course_homework.html.erb
+++ b/app/views/organizations/_org_course_homework.html.erb
@@ -183,7 +183,7 @@
             <div class="mt10 relatePWrap" id="relatePWrap_<%=user_activity_id %>">
               <div class="mr5 fontGrey2">
                 <% first_pro = project_sort_first(projects).first %>
-                #&nbsp;<%=time_from_now first_pro.first.updated_at %><%= link_to User.find(first_pro.first.user_id).show_name, user_activities_url_in_org(first_pro.first.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
+                #&nbsp;<%=time_from_now first_pro.updated_at %><%= link_to User.find(first_pro.user_id).show_name, user_activities_url_in_org(first_pro.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
               </div>
               <div class="cl"></div>
               <% sort_projects.each_with_index do |pro, i| %>
diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index 5b273d014..6383ccc26 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -198,7 +198,7 @@
             <div class="mt10 relatePWrap" id="relatePWrap_<%=user_activity_id %>">
               <div class="mr5 fontGrey2">
                 <% first_pro = project_sort_first(projects).first %>
-                #&nbsp;<%=time_from_now first_pro.first.updated_at %><%= link_to User.find(first_pro.first.user_id).show_name, user_activities_path(first_pro.first.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
+                #&nbsp;<%=time_from_now first_pro.updated_at %><%= link_to User.find(first_pro.user_id).show_name, user_activities_path(first_pro.user_id), :class => "newsBlue ml5 mr5"%>更新了项目，最近更新：
               </div>
             <div class="cl"></div>
             <% sort_projects.each_with_index do |pro, i| %>