diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index 08c7adf10..ce02f4249 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -228,6 +228,18 @@ module Mobile
           present :status, 0
         end
 
+        desc '课程课件'
+        params do
+          requires :token, type: String
+          requires :course_id,type: Integer,desc: '课程id'
+        end
+        get ":course_id/attachments" do
+          cs = CoursesService.new
+          count = cs.course_attachments params
+          present :data, count, with: Mobile::Entities::Attachment
+          present :status, 0
+        end
+
       end
     end
   end
diff --git a/app/api/mobile/entities/attachment.rb b/app/api/mobile/entities/attachment.rb
index 510db89be..080b24558 100644
--- a/app/api/mobile/entities/attachment.rb
+++ b/app/api/mobile/entities/attachment.rb
@@ -16,8 +16,11 @@ module Mobile
           end
         end
       end
+      attachment_expose :id
       attachment_expose :filename
       attachment_expose :description
+      attachment_expose :downloads
+      attachment_expose :quotes
     end
   end
 end
\ No newline at end of file
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 6eb02f1cf..65ad32602 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -329,11 +329,12 @@ module ApplicationHelper
     imagesize = attachment.thumbnail(:size => "200*200")
     imagepath = named_attachment_path(attachment, attachment.filename)
     if imagesize
-      link_to image_tag(thumbnail_path(attachment), height: '73', width: '100'),
+      link_to image_tag(thumbnail_path(attachment), height: '73', width: '100', name: 'issue_attachment_picture'),
               imagepath,
               :title => attachment.filename
+
     else
-      link_to image_tag(imagepath , height: '73', width: '100'),
+      link_to image_tag(imagepath , height: '73', width: '100', name: 'issue_attachment_picture'),
               imagepath,
               :title => attachment.filename
     end
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index e91883bee..b992665d3 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -428,6 +428,17 @@ class CoursesService
     result
   end
 
+   # 课程课件
+   def course_attachments params
+     result = []
+     @course = Course.find(params[:course_id])
+     @attachments = @course.attachments.order("created_on desc")
+     @attachments.each do |atta|
+       result << {:filename => atta.filename,:description => atta.description,:downloads => atta.downloads,:quotes => atta.quotes.nil? ? 0 :atta.quotes  }
+     end
+     result
+   end
+
   private
   def show_homework_info course,bid,current_user,is_course_teacher
     author_real_name = bid.author.lastname + bid.author.firstname
diff --git a/app/views/attachments/_project_file_links.html.erb b/app/views/attachments/_project_file_links.html.erb
index 0135ee239..28fde5fe1 100644
--- a/app/views/attachments/_project_file_links.html.erb
+++ b/app/views/attachments/_project_file_links.html.erb
@@ -1,3 +1,35 @@
+<script type="text/javascript">
+    document.addEventListener('DOMContentLoaded',function(){
+        var img = document.getElementsByName('issue_attachment_picture');
+        function getImgNaturalStyle(img,callback) {
+            var nWidth, nHeight
+            if (typeof img.naturalWidth == "undefined"|| img.naturalWidth == 0) { // 现代浏览器
+                var image = new Image();
+                image.src = img.src;
+                nWidth = image.width;
+                nHeight = image.height;
+            } else {
+                nWidth = img.naturalWidth;
+                nHeight = img.naturalHeight;
+            }
+            return [nWidth, nHeight]
+        }
+
+        for(i=0;i<img.length;i++)
+        {
+            imgNatural = getImgNaturalStyle(img[i]);
+            var width = imgNatural[0];
+            var height = imgNatural[1];
+            if (width<100)
+            {
+                img[i].width = width;
+            }
+            if (height<73) {
+                img[i].height = height;
+            }
+        }
+    });
+</script>
 <div class="attachments" style="font-weight:normal;">
   <% is_float ||= false %>
   <% for attachment in attachments %>
diff --git a/app/views/bids/_alert_anonyoms.html.erb b/app/views/bids/_alert_anonyoms.html.erb
index 2f1c443f4..4da6e0a10 100644
--- a/app/views/bids/_alert_anonyoms.html.erb
+++ b/app/views/bids/_alert_anonyoms.html.erb
@@ -66,10 +66,10 @@
         </p>
     <% end %>
     <div class="ni_btn">
-      <a href="javascript:" class="tijiao" onclick="clickOK();" >
+      <a href="javascript:" class="tijiao" onclick="clickOK();" style="margin-bottom: 20px;" >
         确&nbsp;&nbsp;定
       </a>
-      <a href="javascript:" class="tijiao" onclick="clickCanel();">
+      <a href="javascript:" class="tijiao" onclick="clickCanel();" style="margin-bottom: 20px;">
         取&nbsp;&nbsp;消
       </a>
     </div>
diff --git a/app/views/bids/alert_anonymous_comment.js.erb b/app/views/bids/alert_anonymous_comment.js.erb
index 5cb4018a6..66c36e223 100644
--- a/app/views/bids/alert_anonymous_comment.js.erb
+++ b/app/views/bids/alert_anonymous_comment.js.erb
@@ -1,6 +1,6 @@
 $('#ajax-modal').html('<%= escape_javascript(render :partial => 'alert_anonyoms', locals: { bid: @bid, totle_size:@totle_size, cur_size:@cur_size, percent:@percent}) %>');
 showModal('ajax-modal', '500px');
-$('#ajax-modal').css('height','180px');
+//$('#ajax-modal').css('height','180px');
 $('#ajax-modal').siblings().remove();
 $('#ajax-modal').before("<span style='float: right;cursor:pointer;'>" +
         "<a href='javascript:' onclick='clickCanel();'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
diff --git a/app/views/boards/_project_show.html.erb b/app/views/boards/_project_show.html.erb
index 7c6594006..410648c15 100644
--- a/app/views/boards/_project_show.html.erb
+++ b/app/views/boards/_project_show.html.erb
@@ -1,12 +1,3 @@
-<script type="text/javascript" xmlns="http://www.w3.org/1999/html">
-    function submitProjectBoard()
-    {
-        if(regexSubject()&&regexContent())
-        {
-            $("#message-form").submit();
-        }
-    }
-</script>
 <div class="project_r_h">
   <h2 class="project_h2">
     <% if User.current.language == "zh"%>
@@ -16,20 +7,6 @@
     <% end %>
   </h2>
 </div>
-<div id="add-message" class="talk_new ml15" style="display:<%= !@flag.nil?&&@flag=='true' ? '' : 'none' %>;">
-  <% if User.current.logged? %>
-      <%= form_for @message, :url => new_board_message_path(@board), :html => {:multipart => true, :id => 'message-form'} do |f| %>
-          <p class="talk_top"><%= l(:project_module_boards_post) %></p>
-          <%= render :partial => 'messages/form_project', :locals => {:f => f} %>
-          <p>
-            <a href="javascript:void(0)" onclick="submitProjectBoard();" class="blue_btn fl ml55" style="margin-left: 55px"><%= l(:button_submit)%></a>
-            <%= link_to l(:button_cancel), "#", :onclick => '$("#add-message").hide(); return false;', :class => 'grey_btn ml10 fl' %>
-          </p>
-      <% end %>
-      <div id="preview" class="wiki"></div>
-      <br/><br/>
-  <% end %>
-</div>
 
 <!--display the board-->
 <% if !User.current.logged? %>
diff --git a/app/views/layouts/_base_development_group.html.erb b/app/views/layouts/_base_development_group.html.erb
index 9055b9a1b..6550ed874 100644
--- a/app/views/layouts/_base_development_group.html.erb
+++ b/app/views/layouts/_base_development_group.html.erb
@@ -23,7 +23,7 @@
             <a  class="subnav_num">(<%= @project.boards.first.topics.count %>)</a>
         <% end %>
         <% if User.current.member_of?(@project) %>
-            <%= link_to "+"+l(:project_module_boards_post), project_boards_path(@project, :flag => true), :layout => 'base_projects', :class => "subnav_green ml105" %>
+            <%= link_to "+"+l(:project_module_boards_post), new_board_message_path(@project.boards.first), :layout => 'base_projects', :class => "subnav_green ml105" %>
         <% end %>
       </div>
   <% end%>
diff --git a/app/views/layouts/_base_friend_group.html.erb b/app/views/layouts/_base_friend_group.html.erb
index 71d375501..16ccc09e5 100644
--- a/app/views/layouts/_base_friend_group.html.erb
+++ b/app/views/layouts/_base_friend_group.html.erb
@@ -12,7 +12,7 @@
             <a  class="subnav_num">(<%= @project.boards.first.topics.count %>)</a>
         <% end %>
         <% if User.current.member_of?(@project) %>
-            <%= link_to "+"+l(:project_module_boards_post), project_boards_path(@project, :flag => true), :layout => 'base_projects', :class => "subnav_green ml105" %>
+            <%= link_to "+"+l(:project_module_boards_post), new_board_message_path(@project.boards.first), :layout => 'base_projects', :class => "subnav_green ml105" %>
         <% end %>
       </div>
   <% end%>
diff --git a/app/views/layouts/_base_research_team.html.erb b/app/views/layouts/_base_research_team.html.erb
index 3f942bc40..17bf65b15 100644
--- a/app/views/layouts/_base_research_team.html.erb
+++ b/app/views/layouts/_base_research_team.html.erb
@@ -23,7 +23,7 @@
             <a  class="subnav_num">(<%= @project.boards.first.topics.count %>)</a>
         <% end %>
         <% if User.current.member_of?(@project) %>
-            <%= link_to "+"+l(:project_module_boards_post), project_boards_path(@project, :flag => true), :layout => 'base_projects', :class => "subnav_green ml105" %>
+            <%= link_to "+"+l(:project_module_boards_post), new_board_message_path(@project.boards.first), :layout => 'base_projects', :class => "subnav_green ml105" %>
         <% end %>
       </div>
   <% end%>
diff --git a/app/views/layouts/_join_exit_project.html.erb b/app/views/layouts/_join_exit_project.html.erb
index 9cd376c60..ba3300d44 100644
--- a/app/views/layouts/_join_exit_project.html.erb
+++ b/app/views/layouts/_join_exit_project.html.erb
@@ -16,8 +16,8 @@
       <%= link_to "<span class='#{typeclass}'></span>#{text}".html_safe,"javascript:void(0)" ,:onClick => "show_window();", :class => "pr_join_a",:id => "setting_project_type"%>
   <% end %>
   <!--退出项目-->
-  <% if (User.current.member_of? @project) && User.current.login? &&
-     Member.where(:user_id => User.current.id, :project_id => @project.id).first.roles.first.to_s != "Manager" %>
+  <% if (User.current.member_of? @project) && User.current.login? && !User.current.admin &&
+     !Member.where(:user_id => User.current.id, :project_id => @project.id).first.roles.first.to_s.include?("Manager") %>
       <%= exit_project_link(@project) %>
   <% end %>
 
diff --git a/app/views/messages/_project_new_topic.html.erb b/app/views/messages/_project_new_topic.html.erb
new file mode 100644
index 000000000..a8a8644c3
--- /dev/null
+++ b/app/views/messages/_project_new_topic.html.erb
@@ -0,0 +1,28 @@
+<div class="project_r_h">
+  <h2 class="project_h2">
+    <% if User.current.language == "zh"%>
+        <%= h @board.name %>
+    <% else %>
+        <%= l(:project_module_boards) %>
+    <% end %>
+  </h2>
+</div>
+<div id="cancel-message" class="talk_new ml15">
+<% if User.current.logged? %>
+    <%= form_for @message, :url => new_board_message_path(@board), :html => {:multipart => true, :id => 'message-form'} do |f| %>
+          <p class="talk_top"><%= l(:project_module_boards_post) %></p>
+          <%= render :partial => 'messages/form_project', :locals => {:f => f} %>
+          <p>
+            <a href="javascript:void(0)" onclick="submitProjectBoard();" class="blue_btn fl ml55" style="margin-left: 55px"><%= l(:button_submit)%></a>
+            <%= link_to l(:button_cancel), project_boards_path(@project), :class => 'grey_btn ml10 fl' %>
+          </p>
+      <% end %>
+    <div id="preview" class="wiki"></div>
+    <br/><br/>
+<% else %>
+    <div class="c_grey f14">
+      <%= l(:label_user_login_project_board) %>
+      <%= link_to l(:label_user_login_new), signin_path, :class => "c_blue ml5" %>
+    </div>
+<% end %>
+</div>
\ No newline at end of file
diff --git a/app/views/messages/new.html.erb b/app/views/messages/new.html.erb
index ec95b0df0..09a714850 100644
--- a/app/views/messages/new.html.erb
+++ b/app/views/messages/new.html.erb
@@ -1,16 +1,5 @@
 <% if @project %>
-    <h3>
-      <%= link_to h(@board.name), :controller => 'boards', :action => 'show', :project_id => @project, :id => @board %>
-      &#187;
-      <%= l(:label_message_new) %>
-    </h3>
-    <%= form_for @message, :url => {:action => 'new'}, :html => {:multipart => true, :id => 'message-form'} do |f| %>
-        <%= render :partial => 'form', :locals => {:f => f,:is_new => true} %>
-        <%= submit_tag l(:button_create), :class => "whiteButton m3p10 h30" %>
-        <%= preview_link({:controller => 'messages', :action => 'preview', :board_id => @board}, 'message-form' ,target='preview',{:class => 'whiteButton m3p10'} )%>
-    <% end %>
-
-    <div id="preview" class="wiki"></div>
+    <%= render :partial => 'project_new_topic' %>
 <% elsif @course %>
     <%= render :partial => 'course_new' %>
 <% end %>
\ No newline at end of file
diff --git a/app/views/projects/settings/_new_members.html.erb b/app/views/projects/settings/_new_members.html.erb
index 5e2c9f603..7abe6198c 100644
--- a/app/views/projects/settings/_new_members.html.erb
+++ b/app/views/projects/settings/_new_members.html.erb
@@ -18,19 +18,19 @@
             <li >
               <%= link_to_user_header member.principal,false,:class => "w140_h c_setting_blue fl" %>
               <span class="w180_h fl">
-        <%= h member.roles.sort.collect(&:to_s).join(', ') %>
-                <%= form_for(member, {:as => :membership, :remote => true, :url => membership_path(member),
-                                      :method => :put,
-                                      :html => {:id => "member-#{member.id}-roles-form", :class => 'hol'}}
+              <%= h member.roles.sort.collect(&:to_s).join(', ') %>
+              <%= form_for(member, {:as => :membership, :remote => true, :url => membership_path(member),
+                                :method => :put,
+                                :html => {:id => "member-#{member.id}-roles-form", :class => 'hol'}}
                     ) do |f| %>
-            <% roles.each do |role| %>
+              <% roles.each do |role| %>
                 <ul style="text-align: left;" >
                   <%= check_box_tag 'membership[role_ids][]', role.id, member.roles.include?(role),
                                     :disabled => member.member_roles.detect { |mr| mr.role_id == role.id && !mr.inherited_from.nil? } %>
                   <label ><%= h role %></label>
                 </ul>
                 <!--<br/>-->
-            <% end %>
+              <% end %>
                     <%= hidden_field_tag 'membership[role_ids][]', '' %>
                     <div>
                       <a href="javascript:void(0)" class="member_btn" onclick="$('#member-<%= member.id%>-roles-form').submit();" style="margin-right: 10px;">
@@ -41,7 +41,7 @@
                       </a>
                     </div>
         <% end %>
-      </span>
+              </span>
               <% unless member.user_id == @project.user_id %>
                   <a href="javascript:void(0) " class="c_setting_blue ml30 fl" onclick="$('#member-<%= member.id%>-roles-form').show();$(this).parent().height(110);">编辑</a>
                   <%= delete_link membership_path(member),
diff --git a/app/views/words/destroy.js.erb b/app/views/words/destroy.js.erb
index c3d339685..43da9a7d8 100644
--- a/app/views/words/destroy.js.erb
+++ b/app/views/words/destroy.js.erb
@@ -1,7 +1,7 @@
 <% if @journal_destroyed.nil? %>
 	alert('<%=l(:notice_failed_delete)%>');
 <% elsif (['Principal','Project','Course', 'Bid', 'Contest', 'Softapplication'].include? @journal_destroyed.jour_type)%>
-  <% if @bid && @@jours_count %>
+  <% if @bid && @jours_count %>
     $('#jours_count').html("<%= @jours_count %>");
   <% elsif @course && @jours_count%>
     $('#course_jour_count').html("(<%= @jours_count %>)");
diff --git a/public/javascripts/project.js b/public/javascripts/project.js
index 795a56dd4..c2c4ab784 100644
--- a/public/javascripts/project.js
+++ b/public/javascripts/project.js
@@ -306,4 +306,13 @@ $(document).ready(function () {
             $("pre").addClass("break_word");
         }
 
-    });
\ No newline at end of file
+    });
+
+//论坛提交
+function submitProjectBoard()
+{
+    if(regexSubject()&&regexContent())
+    {
+        $("#message-form").submit();
+    }
+}
\ No newline at end of file
diff --git a/public/stylesheets/project.css b/public/stylesheets/project.css
index a62bd0389..4f9c6ec78 100644
--- a/public/stylesheets/project.css
+++ b/public/stylesheets/project.css
@@ -87,7 +87,7 @@ a.pro_mes_w{ height:20px; float:left;display:block; color:#999999;}
 .pro_page_top{ font-size:14px; border-bottom:2px solid #64bdd9; margin-bottom:10px; padding-bottom:5px;}
 .pro_page_tit{color:#3e4040;  font-weight:bold;width:480px; float:left; font-size:14px; margin-bottom:5px;}
 .pro_pic_box{ margin-left:60px; }
-.pro_pic{ width:100px; border:2px solid #CCC; margin:10px 0;}
+.pro_pic{ width:100px; height:73px;line-height:73px;border:2px solid #CCC; margin:10px 0;}
 .pro_info_box{ margin-left:60px; background:#f0fbff; height:80px; padding:10px 0;}
 .pro_info_box ul{}
 .pro_info_box ul li{ margin-bottom:10px;}