diff --git a/app/models/user_extensions.rb b/app/models/user_extensions.rb
index d9a0f520a..726918729 100644
--- a/app/models/user_extensions.rb
+++ b/app/models/user_extensions.rb
@@ -12,6 +12,8 @@ class UserExtensions < ActiveRecord::Base
   belongs_to :user
   belongs_to :school, :class_name => 'School', :foreign_key => :school_id
   attr_accessible :user_id,:birthday,:brief_introduction,:gender,:location,:occupation,:work_experience,:zip_code,:identity, :technical_title,:student_id
+  validates_length_of :description, :maximum => 255
+  validates_length_of :brief_introduction, :maximum => 255
   TEACHER = 0
   STUDENT = 1
   ENTERPRISE = 2
diff --git a/app/views/my/account.html.erb b/app/views/my/account.html.erb
index f17f0306f..580ddf773 100644
--- a/app/views/my/account.html.erb
+++ b/app/views/my/account.html.erb
@@ -17,7 +17,7 @@
       <div class="users_dis" id="users_tbc_01">
         <% if( @act.nil? || @act != 'password') %>
           <%= render_flash_messages %>
-          <%= error_messages_for 'user' %>
+          <%= error_messages_for 'user',@user.user_extensions %>
         <% end %>
         <ul class="setting_left">
           <li>登录名&nbsp;:&nbsp;</li>
@@ -141,8 +141,8 @@
             <%= 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" value="<%= (@user.user_extensions.nil?) ? '' : @user.user_extensions.brief_introduction %>"></li>
-          <li style="height:auto;"><textarea name="description" class="w450 h200" style="resize:none;"><%= (@user.user_extensions.nil?) ? '' : @user.user_extensions.description %></textarea></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">
             <a href="javascript:;" id="my_account_form_link" class="blue_btn fl">确认</a>
diff --git a/config/locales/my/zh.yml b/config/locales/my/zh.yml
index 35fd4e48a..4220aceca 100644
--- a/config/locales/my/zh.yml
+++ b/config/locales/my/zh.yml
@@ -31,9 +31,11 @@ zh:
   label_account_identity_developer: 开发者
   label_account_identity_enterprise: 组织
   label_account_identity_studentID: 请输入学号
-  
+
+  field_brief_introduction_my: 个人签名
+  field_description: 个人简介
   field_is_required: 必填
-  field_firstname: 名字
+  field_firstname: 名字或组织名
   firstname_empty: 名字不能为空
   field_firstname_eg: '(例：张三丰，请填写[三丰])'
   field_lastname: 姓氏