diff --git a/app/views/blogs/_homepage.html.erb b/app/views/blogs/_homepage.html.erb
index a076ed15c..917fad69f 100644
--- a/app/views/blogs/_homepage.html.erb
+++ b/app/views/blogs/_homepage.html.erb
@@ -50,8 +50,8 @@
   <div class="homepagePostReply">
     <%= render :partial => 'users/reply_banner', :locals => {:count => count, :activity => activity, :user_activity_id => user_activity_id, :homepage => 1} %>
 
-    <% all_comments = []%>
-    <% comments = get_all_children(all_comments, activity)[0..2] %>
+    <%# all_comments = []%>
+    <% comments = all_comments[0..2] %>
     <% if count > 0 %>
         <div class="" id="reply_div_<%= user_activity_id %>">
           <%= render :partial => 'users/message_replies', :locals => {:comments => comments, :user_activity_id => user_activity_id, :type => 'BlogComment', :activity_id =>activity.id, :homepage => 1, :user_id => activity.author_id}%>
diff --git a/app/views/users/_course_journalsformessage.html.erb b/app/views/users/_course_journalsformessage.html.erb
index 8b0406834..5167c79a2 100644
--- a/app/views/users/_course_journalsformessage.html.erb
+++ b/app/views/users/_course_journalsformessage.html.erb
@@ -48,8 +48,8 @@
   <div class="homepagePostReply">
     <%= render :partial => 'users/reply_banner', :locals => {:count => count, :activity => activity, :user_activity_id => user_activity_id} %>
 
-    <% all_comments = []%>
-    <% comments = get_all_children(all_comments, activity)[0..2] %>
+    <%# all_comments = []%>
+    <% comments = all_comments[0..2] %>
     <% if count > 0 %>
         <div class="" id="reply_div_<%= user_activity_id %>">
           <%= render :partial => 'users/message_replies', :locals => {:comments => comments, :user_activity_id => user_activity_id, :type => 'JournalsForMessage', :activity_id =>activity.id}%>
diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index e5b9eb0a9..965d0197c 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -88,8 +88,8 @@
   <div class="homepagePostReply">
     <%= render :partial => 'users/reply_banner', :locals => {:count => count, :activity => activity, :user_activity_id => user_activity_id,:is_course => is_course,:is_board =>is_board} %>
 
-    <% all_comments = []%>
-    <% comments = get_all_children(all_comments, activity)[0..2] %>
+    <%# all_comments = []%>
+    <% comments = all_comments[0..2] %>
     <% if count > 0 %>
         <div class="" id="reply_div_<%= user_activity_id %>">
           <%= render :partial => 'users/message_replies', :locals => {:comments => comments, :user_activity_id => user_activity_id, :type => 'Message', :activity_id =>activity.id, :is_course => is_course, :is_board =>is_board}%>
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index ad5a4fc23..4b367ae1a 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -91,8 +91,8 @@
   <div class="homepagePostReply">
     <%= render :partial => 'users/reply_banner', :locals => {:count => count, :activity => activity, :user_activity_id => user_activity_id,:is_course => is_course,:is_board =>is_board} %>
 
-    <% all_comments = []%>
-    <% comments = get_all_children(all_comments, activity)[0..2] %>
+    <%# all_comments = []%>
+    <% comments = all_comments[0..2] %>
     <% if count > 0 %>
         <div class="" id="reply_div_<%= user_activity_id %>">
           <%= render :partial => 'users/message_replies', :locals => {:comments => comments, :user_activity_id => user_activity_id, :type => 'Message', :activity_id =>activity.id, :is_course => is_course, :is_board =>is_board}%>
diff --git a/app/views/users/_user_blog.html.erb b/app/views/users/_user_blog.html.erb
index 5361a37ad..cb330afc8 100644
--- a/app/views/users/_user_blog.html.erb
+++ b/app/views/users/_user_blog.html.erb
@@ -46,8 +46,8 @@
   <div class="homepagePostReply">
     <%= render :partial => 'users/reply_banner', :locals => {:count => count, :activity => activity, :user_activity_id => user_activity_id, :homepage => 0} %>
 
-    <% all_comments = []%>
-    <% comments = get_all_children(all_comments, activity)[0..2] %>
+    <%# all_comments = []%>
+    <% comments = all_comments[0..2] %>
     <% if count > 0 %>
         <div class="" id="reply_div_<%= user_activity_id %>">
           <%= render :partial => 'users/message_replies', :locals => {:comments => comments, :user_activity_id => user_activity_id, :type => 'BlogComment', :activity_id =>activity.id, :homepage => 0, :user_id => activity.author_id}%>
diff --git a/app/views/users/_user_journalsformessage.html.erb b/app/views/users/_user_journalsformessage.html.erb
index 7880cde99..6aab37234 100644
--- a/app/views/users/_user_journalsformessage.html.erb
+++ b/app/views/users/_user_journalsformessage.html.erb
@@ -67,8 +67,8 @@
   <div class="homepagePostReply">
     <%= render :partial => 'users/reply_banner', :locals => {:count => count, :activity => activity, :user_activity_id => user_activity_id} %>
 
-    <% all_comments = []%>
-    <% comments = get_all_children(all_comments, activity)[0..2] %>
+    <%# all_comments = []%>
+    <% comments = all_comments[0..2] %>
     <% if count > 0 %>
         <div class="" id="reply_div_<%= user_activity_id %>">
           <%= render :partial => 'users/message_replies', :locals => {:comments => comments, :user_activity_id => user_activity_id, :type => 'JournalsForMessage', :activity_id =>activity.id}%>
diff --git a/app/views/users/show.html.erb b/app/views/users/show.html.erb
index e920af7bf..8cff4d831 100644
--- a/app/views/users/show.html.erb
+++ b/app/views/users/show.html.erb
@@ -1,5 +1,8 @@
 <script src="/javascripts/i18n/jquery.ui.datepicker-zh-CN.js" type="text/javascript"></script>
 <input type="hidden" value="<%= @type%>" name="type" id="user_activities_type">
+<% hidden_unproject = hidden_unproject_infos %>
+<% current_isuser = (@user == User.current) %>
+<%# cache [:homepageRightBanner,hidden_unproject.to_s+"-"+current_isuser.to_s] do %>
 <div class="homepageRightBanner">
     <div class="NewsBannerName">最新动态</div>
     <ul class="resourcesSelect">
@@ -7,7 +10,7 @@
     <ul class="homepagePostType">
           <li>
             <ul class="homepagePostTypeHomework fl">
-              <% if hidden_unproject_infos %>
+              <% if hidden_unproject %>
                   <li class="f14">课程动态</li>
                   <li><%= link_to "作业动态", {:controller => "users", :action => "show", :type => "course_homework"}, :class => "homepagePostTypeAssignment postTypeGrey"%>
                     <!--<a href="javascript:void(0);" class="homepagePostTypeAssignment postTypeGrey">作业动态</a>--></li>
@@ -34,7 +37,7 @@
         <ul class="homepagePostTypeProject fl">
           <li class="f14">更多</li>
           <li class="mt-4"><%= link_to "个人留言", {:controller => "users", :action => "show", :type => "user_journals"}, :class =>"homepagePostTypeMessage postTypeGrey"%>
-          <li class="mt-4"><%= link_to @user == User.current ? "我的动态" : "他的动态", {:controller => "users", :action => "show", :type => "current_user"}, :class =>"homepagePostTypeMine postTypeGrey"%>
+          <li class="mt-4"><%= link_to current_isuser ? "我的动态" : "他的动态", {:controller => "users", :action => "show", :type => "current_user"}, :class =>"homepagePostTypeMine postTypeGrey"%>
           <li class="mt-4"><%= link_to "全部动态", {:controller => "users", :action => "show", :type => "all"}, :class =>"homepagePostTypeAll postTypeGrey"%>
         </ul>
       </li>
@@ -42,7 +45,7 @@
   </li>
 </ul>
 </div>
-
+<%# end %>
 <!--显示个人主页-->
 <% if @user.blog.homepage_id and BlogComment.where("id=?", @user.blog.homepage_id).count > 0 %>
     <% homepage = BlogComment.find(@user.blog.homepage_id) %>