diff --git a/app/controllers/files_controller.rb b/app/controllers/files_controller.rb
index 7318a4dc2..54babdd64 100644
--- a/app/controllers/files_controller.rb
+++ b/app/controllers/files_controller.rb
@@ -26,7 +26,7 @@ class FilesController < ApplicationController
   before_filter :authorize, :except => [:create,:getattachtype,:quote_resource_show,:search,:searchone4reload,:search_project,:quote_resource_show_project,
                                         :search_tag_attachment,:subfield_upload_file,:search_org_subfield_tag_attachment,
                                         :search_tag_attachment,:quote_resource_show_org_subfield,:find_org_subfield_attache,
-                                        :search_files_in_subfield,:upload_files_menu,:file_hidden,:republish_file,:update_file_description]
+                                        :search_files_in_subfield,:upload_files_menu,:file_hidden,:republish_file,:update_file_description, :edit_file_description]
 
   helper :sort
   include SortHelper
@@ -981,6 +981,13 @@ class FilesController < ApplicationController
   def upload_files_menu
 
   end
+
+  def edit_file_description
+    @attachment = Attachment.find(params[:id])
+    @attachment.description = params[:file_description_edit]
+    @attachment.save
+  end
+
   def update_file_description
     @attachment = Attachment.find(params[:id])
     @attachment.description = params[:description]
diff --git a/app/views/files/_org_subfield_list.html.erb b/app/views/files/_org_subfield_list.html.erb
index de37ed054..45aa7095b 100644
--- a/app/views/files/_org_subfield_list.html.erb
+++ b/app/views/files/_org_subfield_list.html.erb
@@ -43,8 +43,10 @@
                   <div id="file_description_show_<%= file.id %>" class="fontGrey2 mb4">
                     <%= render :partial => 'files/file_description', :locals => {:file => file} %>
                   </div>
-                  <textarea style="resize: none;max-width: none;margin-left: 0" class="homepageSignatureTextarea W600 none " placeholder="请编辑资源描述" id="file_description_edit_<%= file.id %>"
-                            onblur="edit_file_description('<%= update_file_description_org_subfield_file_path(file.container,file)%>','<%= file.id %>');"><%= file.description %></textarea>
+                  <%= form_tag(edit_file_description_org_subfield_file_path(file, :org_subfield_id => org_subfield.id ),:remote=>'true', :method => :post, :id=>"files_query_form_#{file.id}") do %>
+                      <textarea style="resize: none;max-width: none;margin-left: 0" class="homepageSignatureTextarea W600 none " placeholder="请编辑资源描述" name="file_description_edit" id="file_description_edit_<%= file.id %>"
+                                onblur="commit_files_description('#files_query_form_<%= file.id %>');"><%= file.description %></textarea>
+                  <% end %>
                 </div>
             <% else %>
                 <div class="fontGrey2 mb4">
@@ -108,3 +110,8 @@
     <%end%>
 <% end%>
 
+<script>
+    function commit_files_description(id) {
+        $(id).submit();
+    }
+</script>
\ No newline at end of file
diff --git a/app/views/files/_project_list.html.erb b/app/views/files/_project_list.html.erb
index faf254015..3193f4b42 100644
--- a/app/views/files/_project_list.html.erb
+++ b/app/views/files/_project_list.html.erb
@@ -40,8 +40,10 @@
                     <div id="file_description_show_<%= file.id %>" class="fontGrey2 mb4">
                       <%= render :partial => 'files/file_description', :locals => {:file => file} %>
                     </div>
-                    <textarea style="resize: none;max-width: none;margin-left: 0" class="homepageSignatureTextarea W600 none " placeholder="请编辑资源描述" id="file_description_edit_<%= file.id %>"
-                              onblur="edit_file_description('<%= update_file_description_project_file_path(project,file)%>','<%= file.id %>');"><%= file.description %></textarea>
+                    <%= form_tag(edit_file_description_project_file_path(file, :project_id => project.id),:remote=>'true', :method => :post, :id=>"files_query_form_#{file.id}") do %>
+                        <textarea style="resize: none;max-width: none;margin-left: 0" class="homepageSignatureTextarea W600 none " placeholder="请编辑资源描述" name="file_description_edit" id="file_description_edit_<%= file.id %>"
+                                  onblur="commit_files_description('#files_query_form_<%= file.id %>');"><%= file.description %></textarea>
+                    <% end %>
                   </div>
               <% else %>
                     <div class="fontGrey2 mb4">
@@ -70,6 +72,11 @@
   <%= pagination_links_full @feedback_pages, @feedback_count, :per_page_links => false, :remote => true, :flag => true%>
 </ul>
 
+<script>
+    function commit_files_description(id) {
+        $(id).submit();
+    }
+</script>
 
 
 
diff --git a/app/views/files/_resource_detail.html.erb b/app/views/files/_resource_detail.html.erb
index b60814afd..08b85ab2f 100644
--- a/app/views/files/_resource_detail.html.erb
+++ b/app/views/files/_resource_detail.html.erb
@@ -42,8 +42,10 @@
               <div id="file_description_show_<%= file.id %>" class="fontGrey2 mb4">
                     <%= render :partial => 'files/file_description', :locals => {:file => file} %>
               </div>
-              <textarea style="resize: none;max-width: none;margin-left: 0" class="homepageSignatureTextarea W600 none " placeholder="请编辑资源描述" id="file_description_edit_<%= file.id %>"
-                        onblur="edit_file_description('<%= update_file_description_course_file_path(@course,file)%>','<%= file.id %>');"><%= file.description %></textarea>
+              <%= form_tag(edit_file_description_course_file_path(file, :course_id => @course.id),:remote=>'true', :method => :post, :id=>"files_query_form_#{file.id}") do %>
+                  <textarea style="resize: none;max-width: none;margin-left: 0" class="homepageSignatureTextarea W600 none " placeholder="请编辑资源描述" name="file_description_edit" id="file_description_edit_<%= file.id %>"
+                            onblur="commit_files_description('#files_query_form_<%= file.id %>');"><%= file.description %></textarea>
+              <% end %>
             </div>
           <% else %>
             <div class="fontGrey2 mb4">
@@ -99,4 +101,9 @@
     </div>
   </div>
 </div>
-<div class="cl"></div>
\ No newline at end of file
+<div class="cl"></div>
+<script>
+    function commit_files_description(id) {
+        $(id).submit();
+    }
+</script>
diff --git a/app/views/files/edit_file_description.js.erb b/app/views/files/edit_file_description.js.erb
new file mode 100644
index 000000000..40b47a2ec
--- /dev/null
+++ b/app/views/files/edit_file_description.js.erb
@@ -0,0 +1,3 @@
+$("#file_description_show_<%= @attachment.id %>").html("<%= escape_javascript render(:partial => "files/file_description", :locals => {:file => @attachment}) %>");
+$("#file_description_show_<%= @attachment.id %>").show();
+$("#file_description_edit_<%= @attachment.id %>").hide();
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 4ff75cbf9..7ca24d861 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -133,6 +133,7 @@ RedmineApp::Application.routes.draw do
       member do
         match "quote_resource_show_org_subfield", :via => [:get]
         get "update_file_description"
+        post "edit_file_description"
       end
     end
 
@@ -809,6 +810,7 @@ RedmineApp::Application.routes.draw do
         match "quote_resource_show", :via => [:get]
         get "file_hidden"
         get "update_file_description"
+        post "edit_file_description"
       end
     end
 
@@ -1219,6 +1221,7 @@ RedmineApp::Application.routes.draw do
         get "file_hidden"
         post "republish_file"
         get "update_file_description"
+        post "edit_file_description"
       end
     end
     resources :memberships, :shallow => true, :controller => 'members', :only => [:index, :show, :new, :create, :update, :destroy] do