diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index c20dfa36d..6105b22b2 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -95,6 +95,7 @@ class WelcomeController < ApplicationController
   def entry_select
     url = request.original_url
     if url.include?("course.trustie.net")
+      course
       render :course
       return 0
     elsif url.include?("contest.trustie.net")
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 1623e00e3..e62339249 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -193,9 +193,8 @@ module ApplicationHelper
   end
 
   def thumbnail_tag(attachment)
-    imagepath = named_attachment_path(attachment, attachment.filename)
-    link_to image_tag(imagepath),
-            imagepath ,
+    link_to image_tag(thumbnail_path(attachment)),
+      named_attachment_path(attachment, attachment.filename),
       :title => attachment.filename
   end
 
diff --git a/app/views/attachments/_links.html.erb b/app/views/attachments/_links.html.erb
index f73df8fb4..c135ee214 100644
--- a/app/views/attachments/_links.html.erb
+++ b/app/views/attachments/_links.html.erb
@@ -33,7 +33,7 @@
   <% if images.any? %>
   <div class="thumbnails">
     <% images.each do |attachment| %>
-      <div><%= thumbnail_small_tag(attachment) %></div>
+      <div><%= thumbnail_tag(attachment) %></div>
     <% end %>
   </div>
   <% end %>
diff --git a/app/views/contests/show_attendingcontest.html.erb b/app/views/contests/show_attendingcontest.html.erb
index 8a567bd53..d919baffe 100644
--- a/app/views/contests/show_attendingcontest.html.erb
+++ b/app/views/contests/show_attendingcontest.html.erb
@@ -298,8 +298,9 @@
 
               <!--获奖及教师评奖-->
               <div style="padding-left: 18px; padding-bottom: 5px">
+              <% score = c_softapplication.softapplication.average(:quality).try(:avg).try(:round, 2).to_f %>
                 <span style="padding-left: 50px"><strong><%= l(:label_final_scores) %>
-                  ：</strong></span><span style="color: red"><%= c_softapplication.softapplication.average(:quality).try(:avg).try(:round, 2).to_i.to_s %>
+                  ：</strong></span><span style="color: red"><%= format("%.2f" , score) %>
                 分</span>
 		<span style="padding-left: 334px">
 			<td>
diff --git a/app/views/softapplications/show.html.erb b/app/views/softapplications/show.html.erb
index e41ecb842..b5e3e951c 100644
--- a/app/views/softapplications/show.html.erb
+++ b/app/views/softapplications/show.html.erb
@@ -79,9 +79,10 @@
         <% end %>
       </div>
     </div>
-    <div style="float: left; padding-left: 100px; padding-top:35px " align="center">
-      <div><%=l(:label_final_scores)%></div>
-      <div style="padding-top: 1px; font-size: 15px; color: blue"><%= @softapplication.average(:quality).try(:avg).try(:round, 2).to_i.to_s %>分</div>
+    <div style="float: left; padding-left: 100px; padding-top:35px ">
+      <div style="text-align: center;"><%=l(:label_final_scores)%></div>
+      <% score = @softapplication.average(:quality).try(:avg).try(:round, 2).to_f %>
+      <div style="padding-top: 1px; font-size: 15px; color: blue;text-align: center;"><%= format("%.2f" , score) %>分</div>
       <div><%= rating_for @softapplication, :static => true, dimension: :quality, class: 'rateable div_inline' %></div>
     </div>
     <div style="float: left; padding-left: 100px; padding-top:35px;" align="center">
diff --git a/app/views/welcome/index.html.erb b/app/views/welcome/index.html.erb
index a9d7e994a..08d7d13d4 100644
--- a/app/views/welcome/index.html.erb
+++ b/app/views/welcome/index.html.erb
@@ -54,7 +54,7 @@
 		<ul class="d-p-projectlist">
 			<% projects = find_miracle_project(10, 3) %>
 			<% projects.map do |project| %>
-			<% cache "welcome_index_hotProject_ul_#{project}_li" do %>
+			<% cache "welcome_index_hotProject_ul_project_#{project.id}_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") %>
@@ -88,7 +88,7 @@
 			<div class="user-message-box-list" style="margin-top: 10px;">
 				<%activities = find_all_activities%>
 			<% activities.each do |event| %>
-				<% cache "welcome_index_userActivity_ul_#{event}_li" do %>
+				<% cache "welcome_index_userActivity_ul_event_#{event.class}_#{event.id}_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" %>
@@ -118,8 +118,8 @@
 		<% end %>
 		<div class="welcome-box-list-new memo_activity">
 			<% topics = find_new_forum_topics(7) %>
-		<% topics.each do |topic|%>
-			<% cache "welcome_index_memosActivity_ul_#{topic}_li" do %>
+		<% topics.includes(:forum, :last_reply, :author).each do |topic|%>
+			<% cache "welcome_index_memosActivity_ul_topic_#{topic.id}_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 %>
diff --git a/config/configuration.yml b/config/configuration.yml
index e7138b587..a98ea3391 100644
--- a/config/configuration.yml
+++ b/config/configuration.yml
@@ -173,7 +173,7 @@ default:
 
   # Absolute path (e.g. /usr/bin/convert, c:/im/convert.exe) to
   # the ImageMagick's `convert` binary. Used to generate attachment thumbnails.
-  imagemagick_convert_command: '/home/pdl/redmine-2.3.1-1/common/bin/convert'
+  imagemagick_convert_command: '/home/pdl/redmine-2.3.2-0/common/bin/convert'
 
   # Configuration of RMagcik font.
   #
diff --git a/config/routes.rb b/config/routes.rb
index b84885e29..03b437eeb 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -671,6 +671,7 @@ RedmineApp::Application.routes.draw do
   get 'school/search_school/', :to => 'school#search_school'
 
   post 'school/upload', :to => 'school#upload'
+  get 'school/upload_logo', :to => 'school#upload_logo'
 
   ######added by nie
   match 'tags/show_projects_tags',:to => 'tags#show_projects_tags'