diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index aac107cfb..c75b9f9bf 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -241,7 +241,7 @@ class AdminController < ApplicationController
         end
       else
         respond_to do |format|
-          flash.now[:error] = "#{l :label_first_page_create_fail}: #{@first_page.errors.full_messages[0]}\n\t#{@contest_page.errors.full_messages[0]}"
+          flash.now[:error] = "#{l :label_first_page_create_fail}: #{@first_page.errors.full_messages[0]}\n\t#{@contest_page.errors.full_messages[0]}\n\t#{@notification.errors.full_messages[0]}"
           format.html {
             render :action => 'contest_page_made'
           }
diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index cdeb17e54..44496c3d7 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -34,6 +34,7 @@ class MessagesController < ApplicationController
 
   # Show a topic and its replies
   def show
+    @isReply = true
     page = params[:page]
     # Find the page of the requested reply
     if params[:r] && page.nil?
@@ -103,6 +104,7 @@ class MessagesController < ApplicationController
 
   # Edit a message
   def edit
+    @isReply = false
     if @project
       (render_403; return false) unless @message.editable_by?(User.current)
     else
@@ -123,7 +125,6 @@ class MessagesController < ApplicationController
         }
       end
     end
-
   end
 
   # Delete a messages
diff --git a/app/models/contest_notification.rb b/app/models/contest_notification.rb
index c1f2fde6f..d525b4b3a 100644
--- a/app/models/contest_notification.rb
+++ b/app/models/contest_notification.rb
@@ -1,3 +1,4 @@
 class ContestNotification < ActiveRecord::Base
   attr_accessible :content, :title
+  validates_length_of :title, maximum: 30
 end
diff --git a/app/views/attachments/_form.html.erb b/app/views/attachments/_form.html.erb
index 0677d324b..e5fbd3f82 100644
--- a/app/views/attachments/_form.html.erb
+++ b/app/views/attachments/_form.html.erb
@@ -1,6 +1,7 @@
-<span id="attachments_fields">
+<span id="attachments_fields" xmlns="http://www.w3.org/1999/html">
 <% if defined?(container) && container && container.saved_attachments %>
-  <% container.attachments.each_with_index do |attachment, i| %>
+  <% if isReply  %>
+  <% container.saved_attachments.each_with_index do |attachment, i| %>
     <span id="attachments_p<%= i %>" class="attachment">
       <%= text_field_tag("attachments[p#{i}][filename]", attachment.filename, :class => 'filename readonly', :readonly=>'readonly')%>
       <%= text_field_tag("attachments[p#{i}][description]", attachment.description, :maxlength => 255, :placeholder => l(:label_optional_description), :class => 'description', :style=>"display: inline-block;") +
@@ -10,6 +11,18 @@
       <%= hidden_field_tag "attachments[p#{i}][token]", "#{attachment.token}" %>
     </span>
   <% end %>
+  <% else %>
+  <% container.attachments.each_with_index do |attachment, i| %>
+    <span id="attachments_p<%= i %>" class="attachment">
+      <%= text_field_tag("attachments[p#{i}][filename]", attachment.filename, :class => 'filename readonly', :readonly=>'readonly')%>
+      <%= text_field_tag("attachments[p#{i}][description]", attachment.description, :maxlength => 255, :placeholder => l(:label_optional_description), :class => 'description', :style=>"display: inline-block;") +
+                  link_to('&nbsp;'.html_safe, attachment_path(attachment, :attachment_id => "p#{i}", :format => 'js'), :method => 'delete', :remote => true, :class => 'remove-upload') %>
+      <%#= render :partial => 'tags/tag', :locals => {:obj => attachment, :object_flag => "6"} %>
+      <%= check_box_tag("attachments[p#{i}][is_public_checkbox]", attachment.is_public, :class => 'is_public')%>
+      <%= hidden_field_tag "attachments[p#{i}][token]", "#{attachment.token}" %>
+    </span>
+  <% end %>
+  <% end %>
 <% end %>
 </span>
 <script type='text/javascript'>
diff --git a/app/views/attachments/file.html.erb b/app/views/attachments/file.html.erb
index c85cbe32a..37db6f2bc 100644
--- a/app/views/attachments/file.html.erb
+++ b/app/views/attachments/file.html.erb
@@ -4,14 +4,16 @@
 <p><%= h("#{@attachment.description} - ") unless @attachment.description.blank? %>
    <span class="author"><%= link_to_user(@attachment.author) %>, <%= format_time(@attachment.created_on) %></span></p>
 <p><%= link_to_attachment @attachment, :text => l(:button_download), :download => true -%>
-   <span class="size">(<%= number_to_human_size @attachment.filesize %>)</span>&nbsp&nbsp&nbsp<span class="size">
-     <%=  link = link_to(l(:button_add), {:controller => 'code_review',
+   <span class="size">(<%= number_to_human_size @attachment.filesize %>)</span>&nbsp&nbsp&nbsp
+   <span class="size">
+     <% if @attachment!=nil&&@attachment.container_type == 'Document' %>
+          <%=    link = link_to(l(:button_add), {:controller => 'code_review',
                                           :action => 'assign', :action_type => 'attachment',
                                           :id=>@attachment.project,
                                           :change_id => '', :attachment_id => @attachment.id,
                                          }, :class => 'icon icon-add') %>
+        <% end %>
    </span></p>
-
 </div>
 &nbsp;
 <%= render :partial => 'common/file', :locals => {:content => @content, :filename => @attachment.filename} %>
diff --git a/app/views/common/_file.html.erb b/app/views/common/_file.html.erb
index 22126b949..d4c0875c2 100644
--- a/app/views/common/_file.html.erb
+++ b/app/views/common/_file.html.erb
@@ -1,14 +1,14 @@
 <div class="autoscroll">
-<table class="filecontent syntaxhl">
+<table class="filecontent syntaxhl" >
 <tbody>
 <% line_num = 1 %>
 <% syntax_highlight_lines(filename, Redmine::CodesetUtil.to_utf8_by_setting(content)).each do |line| %>
   <tr>
-    <th class="line-num" id="L<%= line_num %>">
-      <a href="#L<%= line_num %>"><%= line_num %></a>
+    <th class="line-num" id="L<%= line_num %>" style="vertical-align: top;">
+      <a href="#L<%= line_num %>" style="padding-top: 0px;"><%= line_num %></a>
     </th>
     <td class="line-code">
-      <pre><%= line.html_safe %></pre>
+      <pre style="width:880px;word-wrap: break-word; word-break: normal; "><%= line.html_safe %></pre>
     </td>
   </tr>
   <% line_num += 1 %>
diff --git a/app/views/messages/_course_show.html.erb b/app/views/messages/_course_show.html.erb
index 55cf9d61c..7844cc6ec 100644
--- a/app/views/messages/_course_show.html.erb
+++ b/app/views/messages/_course_show.html.erb
@@ -75,14 +75,14 @@
                 l(:button_edit),
                 {:action => 'edit', :id => @topic},
                 :class => 'icon icon-edit'
-        ) if @message.editable_by?(User.current) %>
+        ) if @message.course_editable_by?(User.current) %>
     <%= link_to(
                 l(:button_delete),
                 {:action => 'destroy', :id => @topic},
                 :method => :post,
                 :data => {:confirm => l(:text_are_you_sure)},
                 :class => 'icon icon-del'
-        ) if @message.destroyable_by?(User.current) %>
+        ) if @message.course_destroyable_by?(User.current) %>
   </div>
 
   <div class="lz-left">
diff --git a/app/views/messages/_form.html.erb b/app/views/messages/_form.html.erb
index 4208d3061..1e74cbf48 100644
--- a/app/views/messages/_form.html.erb
+++ b/app/views/messages/_form.html.erb
@@ -42,7 +42,7 @@
 <!--[eoform:message]-->
 
 <p><%= l(:label_attachment_plural) %><br />
-<%= render :partial => 'attachments/form', :locals => {:container => @message} %></p>
+<%= render :partial => 'attachments/form', :locals => {:container => @message,:isReply => @isReply} %></p>
 </div>
 
 
diff --git a/app/views/projects/_file_score_index.html.erb b/app/views/projects/_file_score_index.html.erb
index ce80ddbd2..bfc87097e 100644
--- a/app/views/projects/_file_score_index.html.erb
+++ b/app/views/projects/_file_score_index.html.erb
@@ -1,4 +1,4 @@
 <!-- added by bai -->
-<div><%= l(:label_file_number) %> * 4 = <%= document_num(@project)  %> * 4 = <%= format("%.2f" , document_score(@project)).to_i %></div>
-<div><%= l(:label_file_score) %> = <%= format("%.2f" , document_score(@project)).to_i %></div>
+<div><%= l(:label_file_number) %> * 4 = <%= documents_num(@project)  %> * 4 = <%= format("%.2f" , documents_score(@project)).to_i %></div>
+<div><%= l(:label_file_score) %> = <%= format("%.2f" , documents_score(@project)).to_i %></div>
 <!-- end -->
\ No newline at end of file
diff --git a/app/views/projects/_project.html.erb b/app/views/projects/_project.html.erb
index 3d7cdfb6c..92e20f9e4 100644
--- a/app/views/projects/_project.html.erb
+++ b/app/views/projects/_project.html.erb
@@ -45,8 +45,8 @@
               </tr>
               <tr>
                 <td style="width: 40%;text-align: right;font-size: 17px;color: rgb(17, 102, 153)">
-                  <% #find_project_repository @project %>
-                  <strong><%= content_tag('span',  "#{@project.repository.nil? || @project.project_status.nil?  ? '0' : @project.project_status.changesets_count }", :class => "info") %></strong>
+                                                          <!-- @project.repository.nil? || @project.project_status.nil?  ? '0' : @project.project_status.changesets_count  -->
+                  <strong><%= content_tag('span',  "#{changesets_num(@project)}", :class => "info") %></strong>
                 </td>
                 <td style="width: 60%;text-align: left">
                   <%= content_tag('span',  l(:label_commit_on)) %>
diff --git a/app/views/welcome/contest.html.erb b/app/views/welcome/contest.html.erb
index 8df19a280..30395aa6f 100644
--- a/app/views/welcome/contest.html.erb
+++ b/app/views/welcome/contest.html.erb
@@ -197,7 +197,7 @@
 	<span style="margin-top: -20px;float: right; display: block;"><%#= link_to l(:label_more_information), forums_path %></span>
 	<div style="height: 167px; padding-top:6px;">
 		<fieldset style="padding-left: 36px; margin-left: 13px; height: 150px; width:380px; border-radius:10px;">
-			<div style="font-size:14px; color: #1166AD; padding-left:52px; "><strong><%= @contestNotification.title %></strong></div>
+			<div style="font-size:14px; color: #1166AD;text-align:center;word-break: break-all; "><strong style="margin:auto;"><%= @contestNotification.title %></strong></div>
 			<div class="underline-contests_four"></div>
           <div id="up_zzjs">
             <div id="marqueebox">