diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 2f642f544..99160b0c0 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -139,9 +139,9 @@ class AttachmentsController < ApplicationController
       # Make sure association callbacks are called
       container = @attachment.container
       @attachment.container.attachments.delete(@attachment)
-      if container.attachments.empty?
-        container.delete
-      end
+      #if container.attachments.empty?
+        #container.delete
+      #end
 
     respond_to do |format|
       format.html { redirect_to_referer_or respond_path(@bid) }
diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index 18da32d81..b65cfc23d 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -36,14 +36,19 @@ class HomeworkAttachController < ApplicationController
       @homework.save_attachments(params[:attachments])
       render_attachment_warning_if_needed(@homework)
 
-      @homework.save
+      #@homework.save
+
       respond_to do |format|
         if @homework.save
-          format.html { redirect_to @homework, notice: 'Post was successfully created.' }
-          format.json { render json: @homework, status: :created, location: @homework }
+          #ContestingSoftapplication.create(:contest_id => params[:contest_id], :softapplication_id => @softapplication.id)
+          #format.html { redirect_to project_for_bid_path(:id => @homework.bid), notice: l(:notice_attendingcontest_work_successfully_created) }
+          # format.json { render json: @softapplication, status: :created, location: @softapplication }
+          flash[:notice] = l(:notice_attendingcontest_work_successfully_created)
+          redirect_back_or_default(project_for_bid_path)
         else
+          format.js { render status: 406 }
           format.html { render action: "new" }
-          format.json { render json: @homework.errors, status: :unprocessable_entity }
+          # format.json { render json: @softapplication.errors, status: :unprocessable_entity }
         end
       end
     #end
@@ -65,15 +70,10 @@ class HomeworkAttachController < ApplicationController
 
   def update
     @homework = HomeworkAttach.find(params[:id])
-    respond_to do |format|
-      if @homework.update_attributes(params[:homework])
-        format.html { redirect_to @homework, notice: 'Homework was successfully updated.' }
-        format.json { head :no_content }
-      else
-        format.html { render action: "edit" }
-        format.json { render json: @homework.errors, status: :unprocessable_entity }
-      end
-    end
+    #@homework.name = params[:name]
+    #@homework.name = params[:description]
+    #@homework.save
+    @homework.update_attribute(params[:homework])
   end
 
   def destroy
diff --git a/app/views/bids/_homework_list.html.erb b/app/views/bids/_homework_list.html.erb
index 57e3fe686..8e1067775 100644
--- a/app/views/bids/_homework_list.html.erb
+++ b/app/views/bids/_homework_list.html.erb
@@ -25,7 +25,6 @@
 <% end %>
 <% display_id = im_watching_student_id? @bid%>
 <% @homework_list.each do |homework|%>
-	<% if homework.attachments.any?%>
 	<table width="660px" border="0" align="center">
 		<tr>
 			<td colspan="2" valign="top" width="50" ><%= image_tag(url_to_avatar(homework.user), :class => "avatar")%></td>
@@ -81,7 +80,7 @@
                           <%= format("%.2f", sum * 1.0 / stars_reates_count)  %>
                         </td>
 						<td valign="top" align="right">
-							<% if Time.parse(@bid.deadline.to_s) < Time.parse(homework.attachments[0].created_on.to_s) %>
+							<% if Time.parse(@bid.deadline.to_s) < Time.parse(homework.created_at.to_s) %>
 								<span class="required">迟交</span>
 							<% end %>
 						</td>
@@ -118,6 +117,5 @@
 			</td>
 		</tr>
 	</table>
-	<div class="line_under"></div>			
-	<% end %>
+	<div class="line_under"></div>
 <% end %>
diff --git a/app/views/homework_attach/edit.html.erb b/app/views/homework_attach/edit.html.erb
index 1456af650..ba002292c 100644
--- a/app/views/homework_attach/edit.html.erb
+++ b/app/views/homework_attach/edit.html.erb
@@ -1,6 +1,5 @@
 <p style="font-weight: bold; color: rgb(237,137,36)" xmlns="http://www.w3.org/1999/html"> <%=raw l(:label_new_homework)%> </p>
 <div class="box">
-  <%= @homework.attachments.count  %>
   <%= form_for(@homework) do |f|%>
       <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
         <strong>标  题：</strong>