diff --git a/app/controllers/my_controller.rb b/app/controllers/my_controller.rb
index 1839dd1fd..4124472e1 100644
--- a/app/controllers/my_controller.rb
+++ b/app/controllers/my_controller.rb
@@ -137,7 +137,7 @@ class MyController < ApplicationController
         @se.identity = params[:identity].to_i if params[:identity]
         @se.technical_title = params[:technical_title] if params[:technical_title]
         @se.student_id = params[:no] if params[:no]
-        @se.brief_introduction = params[:brief_introduction]
+       # @se.brief_introduction = params[:brief_introduction]
         @se.description = params[:description]
 
         if @user.save && @se.save
diff --git a/app/views/my/account.html.erb b/app/views/my/account.html.erb
index c23266afd..23fc1a3ad 100644
--- a/app/views/my/account.html.erb
+++ b/app/views/my/account.html.erb
@@ -30,7 +30,7 @@
           <li nhname="tag" nh_tag_0="true" nh_tag_1="true" nh_tag_3="true" style="display:none;">工作单位&nbsp;:&nbsp;</li>
           <li>地区&nbsp;:&nbsp;</li>
           <li>邮件通知&nbsp;:&nbsp;</li>
-          <li>个人签名&nbsp;:&nbsp;</li>
+          <!--<li>个人签名&nbsp;:&nbsp;</li>-->
           <li>个人简介&nbsp;:&nbsp;</li>
           <li>&nbsp;&nbsp;</li>
         </ul>
@@ -141,7 +141,7 @@
             <%= select_tag( 'user[mail_notification]', options_for_select( user_mail_notification_options(@user), @user.mail_notification) ) %>
             <label>不要发送对我自己提交的修改的通知<%= check_box_tag 'no_self_notified', 1, @user.pref[:no_self_notified],:style=>"height:14px;" %></label>
           </li>
-          <li><input name="brief_introduction" class="w450" type="text" maxlength="255" value="<%= (@user.user_extensions.nil?) ? '' : @user.user_extensions.brief_introduction %>"></li>
+          <!--<li><input name="brief_introduction" class="w450" type="text" maxlength="255" value="<%#= (@user.user_extensions.nil?) ? '' : @user.user_extensions.brief_introduction %>"></li>-->
           <li style="height:auto;"><textarea name="description" class="w450 h200" maxlength="255" style="resize:none;"><%= (@user.user_extensions.nil?) ? '' : @user.user_extensions.description %></textarea></li>
           <li style="display:none;"><%= f.select :language, :Chinese => :zh, :English => :en %></li>
           <li class="ml2">