diff --git a/app/controllers/memos_controller.rb b/app/controllers/memos_controller.rb
index 97445e72..af93c0bd 100644
--- a/app/controllers/memos_controller.rb
+++ b/app/controllers/memos_controller.rb
@@ -81,6 +81,7 @@ class MemosController < ApplicationController
     respond_to do |format|
       if(@memo.update_attribute(:subject, params[:memo][:subject]) && 
          @memo.update_attribute(:content, params[:memo][:content]))
+        @memo.save_attachments(params[:attachments] || (params[:memo] && params[:memo][:uploads]))
         format.html {redirect_to back_memo_url, notice: "#{l :label_memo_create_succ}"}
       else
         format.html { render action: "edit" }
diff --git a/app/models/memo.rb b/app/models/memo.rb
index 051bbe3f..9a87009e 100644
--- a/app/models/memo.rb
+++ b/app/models/memo.rb
@@ -8,7 +8,6 @@ class Memo < ActiveRecord::Base
 	validates_length_of :subject, maximum: 50
 	validates_length_of :content, maximum: 2048	
 	validate :cannot_reply_to_locked_topic, :on => :create
-	validate :content_cannot_be_blank
 
 	acts_as_tree :counter_cache => :replies_count, :order => "#{Memo.table_name}.created_at ASC"
 	acts_as_attachable
@@ -50,9 +49,6 @@ class Memo < ActiveRecord::Base
 	def cannot_reply_to_locked_topic
 		errors.add :base, 'Topic is locked' if root.locked? && self != root
 	end
-	def content_cannot_be_blank
-		errors.add :base, "content can't be blank." if self.content.blank?
-	end
 
 	# def update_memos_forum
 	# 	if forum_id_changed?
diff --git a/app/views/layouts/base_memos.html.erb b/app/views/layouts/base_memos.html.erb
index 08784c70..f1b4258e 100644
--- a/app/views/layouts/base_memos.html.erb
+++ b/app/views/layouts/base_memos.html.erb
@@ -31,7 +31,7 @@
 								<td class="info_font" style="width: 240px; color: #15bccf">软件项目托管社区</td>
 								<td style="width: 430px; color: #15bccf"><strong><%= l(:label_user_location) %> : </strong></td>
 								<td rowspan="2" width="250px">
-									<div class="top-content-search">
+									<div class="top-content-search" style="display:none">
 										<%= form_tag(:controller => 'projects', :action => "search", :method => :get) do %>
 										<%= text_field_tag 'name', params[:name], :size => 20 %>
 										<%= hidden_field_tag 'project_type', params[:project_type] %>