diff --git a/app/views/layouts/new_base_user.html.erb b/app/views/layouts/new_base_user.html.erb
index 1127288ae..dd9d667b6 100644
--- a/app/views/layouts/new_base_user.html.erb
+++ b/app/views/layouts/new_base_user.html.erb
@@ -165,7 +165,9 @@
             <%= link_to '班级',{:controller => "users", :action => "user_courselist", :id => @user.id}, :id => "user_course_list" %>
             <% courses = @user.favorite_courses.visible.where("is_delete =?", 0).select("courses.*,(SELECT MAX(updated_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS a").order("a desc").limit(10) %>
             <div class="<%= courses.empty? ? 'none' : ''%>" id="homepage_left_course_list">
-              <%=render :partial => 'layouts/homepage_left_course_list', :locals => {:courses => courses} %>
+              <% cache [:personal_courses,@user.id,courses.count,courses[0].updated_at.to_i] do%>
+                <%=render :partial => 'layouts/homepage_left_course_list', :locals => {:courses => courses} %>
+              <% end %>
             </div>
           </li>
           <% if is_current_user %>
@@ -192,7 +194,9 @@
             <%= link_to '项目',{:controller => "users", :action => "user_projectlist", :id => @user.id}, :id => 'user_project_list'%>
             <% projects = @user.favorite_projects.visible.select("projects.*, (SELECT MAX(updated_at)  FROM `forge_activities` WHERE forge_activities.project_id = projects.id) AS a").order("a desc").limit(10)%>
             <div class="<%= projects.empty? ? 'none' : ''%>" id="homepage_left_project_list">
-              <%=render :partial => 'layouts/homepage_left_project_list', :locals => {:projects => projects} %>
+              <% cache [:personal_projects,@user.id,projects.count,projects[0].updated_on.to_i] do%>
+                <%=render :partial => 'layouts/homepage_left_project_list', :locals => {:projects => projects} %>
+              <% end %>
             </div>
           </li>
           <% if is_current_user %>
diff --git a/app/views/users/_user_activities.html.erb b/app/views/users/_user_activities.html.erb
index 5c6f07bb1..e689e78e3 100644
--- a/app/views/users/_user_activities.html.erb
+++ b/app/views/users/_user_activities.html.erb
@@ -26,6 +26,7 @@
     })
 </script>
 
+<% cache [:personal_activities,@user.id,user_activities[0].updated_at.to_i] do%>
 <% user_activities.each do |user_activity|
   if user_activities %>
         <script>
@@ -104,7 +105,7 @@
             <% end %>
         <% end %>
 <% end %>
-
+<% end %>
 <% if user_activities.count == 10%>
 <!--
     <div id="show_more_activities" class="loadMore mt10 f_grey">点击展开更多<%#=link_to "", user_activities_path(@user.id,:type => type,:page => page),:id => "more_activities_link",:remote => "true",:class => "none" %></div>