diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index c8ff3aad2..6571a03aa 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -1,6 +1,6 @@
 <% is_teacher = User.current.allowed_to?(:as_teacher,activity.course) %>
 <div class="resources mt10" id="user_activity_<%= user_activity_id%>">
-  <% cache [:user_homework_activity,activity.id.to_s+"-"+User.current.logged?.to_s+"-"+is_teacher.to_s+"-"+(User.current.member_of_course?(activity.course)).to_s+"-"+activity.updated_at.to_i.to_s] do%>
+  <%# cache [:user_homework_activity,activity.id.to_s+"-"+User.current.logged?.to_s+"-"+is_teacher.to_s+"-"+(User.current.member_of_course?(activity.course)).to_s+"-"+activity.updated_at.to_i.to_s] do%>
   <div class="homepagePostBrief">
     <div class="homepagePostPortrait">
       <%= link_to image_tag(url_to_avatar(activity.user), :width => "50", :height => "50"), user_path(activity.user_id), :alt => "用户头像" %>
@@ -61,7 +61,7 @@
       </div>
     <div class="cl"></div>
   </div>
-  <% end %>
+  <%# end %>
   <%= render :partial => 'users/homework_post_reply', :locals => {:activity => activity, :user_activity_id => user_activity_id, :hw_status => hw_status, :is_teacher => is_teacher} %>
 </div>
 <script type="text/javascript">
diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index c2045fe46..f5da820b1 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -1,6 +1,6 @@
 <% is_teacher = User.current.allowed_to?(:as_teacher,homework_common.course) %>
 <div class="HomeWork mb10" id="homework_common_<%= homework_common.id %>">
-  <% cache [:user_homework_detail,@course.id.to_s+"-"+homework_common.id.to_s+"-"+is_teacher.to_s+"-"+(User.current.member_of_course?(homework_common.course) || User.current.admin? || homework_common.is_open == 1).to_s+"-"+homework_common.updated_at.to_i.to_s] do%>
+  <%# cache [:user_homework_detail,@course.id.to_s+"-"+homework_common.id.to_s+"-"+is_teacher.to_s+"-"+(User.current.member_of_course?(homework_common.course) || User.current.admin? || homework_common.is_open == 1).to_s+"-"+homework_common.updated_at.to_i.to_s] do%>
   <div class="homepagePostBrief">
     <div class="homepagePostPortrait">
       <%=link_to image_tag(url_to_avatar(homework_common.user),width:"50px", height: "50px"), user_activities_path(homework_common.user.id)%>
@@ -171,7 +171,7 @@
           <% end %>
           <div class="cl"></div>
         </div>
-    <% end %>
+    <%# end %>
 
     <% if homework_common.homework_type == 3 && homework_common.homework_detail_group.base_on_project == 1 %>
         <% projects = homework_common.student_work_projects.where("is_leader = 1 and project_id != -1") %>