diff --git a/app/views/welcome/index.html.erb b/app/views/welcome/index.html.erb
index 483dbfc02..a9d7e994a 100644
--- a/app/views/welcome/index.html.erb
+++ b/app/views/welcome/index.html.erb
@@ -53,8 +53,8 @@
 	<div class="d-p-projectlist-box">
 		<ul class="d-p-projectlist">
 			<% projects = find_miracle_project(10, 3) %>
-			<% cache projects do %>
 			<% projects.map do |project| %>
+			<% cache "welcome_index_hotProject_ul_#{project}_li" do %>
 			<li style="position:relative;height:6em;" class='<%= cycle("odd", "even") %>'>
 				<div style="float: left;">
 					<%= image_tag(get_project_avatar(project), :class => "avatar-4") %>
@@ -75,9 +75,9 @@
 			        :id => "tooltip-#{project.id}" %>
 				</div>
 			</li>
+		<% end %>
 			<% end; reset_cycle  %>
 		</ul>
-		<% end %>
 	</div>
 </div>
 
@@ -87,8 +87,8 @@
 			<span style="margin-top: -20px;float: right; display: block;"><%= link_to "更多>>", { :controller => 'users', :action => 'index'}, :target => "_blank"  %></span>
 			<div class="user-message-box-list" style="margin-top: 10px;">
 				<%activities = find_all_activities%>
-				<% cache activities do %>
 			<% activities.each do |event| %>
+				<% cache "welcome_index_userActivity_ul_#{event}_li" do %>
 			<li style="display: block;height:60px; padding-bottom: 4px;">
 				<div class="inner-right" style="float: left; height: 100%; ">
 					<%= image_tag url_to_avatar(event.event_author), :class => "avatar-3" %>
@@ -99,8 +99,8 @@
 				<p style="margin-top: 4px;"><span style="color: rgb(172, 174, 177)"><%= l(:field_updated_on) %><%= time_tag_welcome event.event_datetime %>前</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="float: right; color: rgb(172, 174, 177);"><%= show_event_reply event %></span></p>
 				</div>
 			</li>
-			    <% end  %>	
 			    <% end %><!-- cache -->
+			    <% end  %>	
 			</div>
 		</ul>
 	</div>
@@ -118,8 +118,8 @@
 		<% end %>
 		<div class="welcome-box-list-new memo_activity">
 			<% topics = find_new_forum_topics(7) %>
-			<% cache topics do %>
 		<% topics.each do |topic|%>
+			<% cache "welcome_index_memosActivity_ul_#{topic}_li" do %>
 			<li class="message-brief-intro">
 				<div class='memo_title text_nowrap'>
 					<%= link_to '['+topic.forum.name + ']',forum_path(topic.forum),:class => 'memo_Bar_title' %><%= link_to topic.subject.truncate(30, omission: '...'), topic.event_url,title: topic.subject %>
@@ -139,8 +139,8 @@
 					</span>
 				</div>
 			</li>
-		<% end %>
 		<% end %> <!-- cache -->
+		<% end %>
 		</div>
 	</ul>
 </div>