diff --git a/app/views/welcome/course.html.erb b/app/views/welcome/course.html.erb
index 256a976c4..16c191d5e 100644
--- a/app/views/welcome/course.html.erb
+++ b/app/views/welcome/course.html.erb
@@ -140,9 +140,7 @@
               <%break if Time.new.strftime("%Y").to_i - year_now >= 2%>
               <% all_new_hot_course += find_all_new_hot_course(course_count-all_new_hot_course.count, @school_id, year_now, course_term)%>
           <% end%>
-          <% cache all_new_hot_course.max().created_at do %>
-             <%= render :partial => 'course_list', :locals => {:course_list => all_new_hot_course} %>
-          <% end %>
+         <%= render :partial => 'course_list', :locals => {:course_list => all_new_hot_course} %>
         </ul>
       </div>
   <% else %>
diff --git a/app/views/welcome/index.html.erb b/app/views/welcome/index.html.erb
index 3acee0acf..c03b0de76 100644
--- a/app/views/welcome/index.html.erb
+++ b/app/views/welcome/index.html.erb
@@ -68,7 +68,6 @@
 </div>
 
 <div style="clear:both"></div>
-<% cache :expire_in => 2.hours do%>
 <div id="J_Slide" class="d-p-index-box d-p-index-hot">
 	<h3 style="margin-left: 5px; color: #e8770d;"><strong> <%= l(:lable_hot_projects)%> </strong></h3>
 	<span style="margin-top: -20px;float: right; display: block;"> <% if User.current.logged? %>
@@ -113,7 +112,6 @@
 		</ul>
 	</div>
 </div>
-<% end %>
 <div class="right" style="float: right; width: 48%; padding-top: 8px;">
 	<ul class="welcome-message-list">
 		<div class="forum-topic" style="height: 25px; width: 98%; margin-left: 2px;">