diff --git a/app/controllers/discuss_demos_controller.rb b/app/controllers/discuss_demos_controller.rb
index 31b0f1dcc..1b140714f 100644
--- a/app/controllers/discuss_demos_controller.rb
+++ b/app/controllers/discuss_demos_controller.rb
@@ -1,5 +1,6 @@
 class DiscussDemosController < ApplicationController
   def index
+
     @discuss_demo_list = DiscussDemo.where("body is not null").order("created_at desc").page(params[:page] || 1).per(10)
   end
 
@@ -24,7 +25,7 @@ class DiscussDemosController < ApplicationController
   end
 
   def destroy
-    DiscussDemo.delete_all(["id = ?",params[:id]])
+    DiscussDemo.destroy(params[:id])
     redirect_to :controller=> 'discuss_demos',:action => 'index'
   end
 
diff --git a/app/models/discuss_demo.rb b/app/models/discuss_demo.rb
index 74b21f9d4..6ed8d15b6 100644
--- a/app/models/discuss_demo.rb
+++ b/app/models/discuss_demo.rb
@@ -1,4 +1,4 @@
 class DiscussDemo < ActiveRecord::Base
    attr_accessible :title, :body
-   has_many_kindeditor_assets :attachments, :dependent => :destroy
+   has_many_kindeditor_assets :assets, :dependent => :destroy
 end
diff --git a/app/views/files/_project_file.html.erb b/app/views/files/_project_file.html.erb
index aa597f3f2..b4d849cd6 100644
--- a/app/views/files/_project_file.html.erb
+++ b/app/views/files/_project_file.html.erb
@@ -1,7 +1,7 @@
 <% attachmenttypes = @project.attachmenttypes %>
 <% sufixtypes = @project.contenttypes %>
 <div class="project_r_h">
-  <h2 class="project_h2">资源共享区</h2>
+  <h2 class="project_h2"><%= l(:lable_file_sharingarea)  %></h2>
 </div>
 
 <div class="content-title-top">
@@ -16,12 +16,12 @@
     </div>
     <div id="relation_file_div" class="relation_file_div hidden">
       <fieldset>
-        <legend>搜索</legend>
+        <legend><%= l(:label_search)%></legend>
         <%= form_tag(
                     attachments_autocomplete_path(:format => 'js'),
                     :remote => true,
                     :method => :post) do %>
-            <%= label_tag(:attach_search, "按关键字搜索:") %>
+            <%= label_tag(:attach_search, l(:label_search_by_keyword)) %>
             <%= text_field_tag(:attach_search) %>
             <%#= submit_tag("Search") %>
         <% end -%>
diff --git a/app/views/projects/_member_list.html.erb b/app/views/projects/_member_list.html.erb
index 09173b835..590ffbe3c 100644
--- a/app/views/projects/_member_list.html.erb
+++ b/app/views/projects/_member_list.html.erb
@@ -3,7 +3,7 @@
 	<div class="well">
 		<% next if member.new_record?  %>
 		<% unless member.created_on.nil?  %>
-			<%= content_tag "p", "#{format_date(member.created_on)}#{l(:label_member_since)}", :class => "float_right member_since" %>
+			<%= content_tag "p", (User.current.language == ""|| User.current.language == "zh")?("#{format_date(member.created_on)}"+" "+"#{l(:label_member_since)}"):("#{l(:label_member_since)}+" "+#{format_date(member.created_on)}"), :class => "float_right member_since" %>
 		<% end %>
 		<%= member.user.nil? ? '' : (image_tag(url_to_avatar(member.user), :class => 'avatar'))  %>
 		<%= content_tag "div", link_to(member.user.name, user_path(member.user)), :class => "nomargin avatar_name" %>
diff --git a/app/views/projects/watcherlist.html.erb b/app/views/projects/watcherlist.html.erb
index 1acefe092..126f6c265 100644
--- a/app/views/projects/watcherlist.html.erb
+++ b/app/views/projects/watcherlist.html.erb
@@ -25,7 +25,7 @@
 			</p></td>
         </tr>
       <tr>        
-        <td width="200" align="right" class="font_lighter"><%= l(:label_user_joinin) %><%= format_date(user.created_on) %>
+        <td width="200" align="right" class="font_lighter"><%= l(:label_user_joinin) %>&nbsp;<%= format_date(user.created_on) %>
         </td>
       </tr>
     </table></td>
diff --git a/app/views/users/_my_joinedcourse.html.erb b/app/views/users/_my_joinedcourse.html.erb
index e616004e6..373ed9234 100644
--- a/app/views/users/_my_joinedcourse.html.erb
+++ b/app/views/users/_my_joinedcourse.html.erb
@@ -16,8 +16,8 @@
   <div class="menu">
 	<%= link_to "#{l(:label_course_new)}", new_course_path, class: 'icon icon-add' if @user == User.current %>
     <ul>
-      <li mode='doing' class="on"><%= l(:label_course_doing)%></li>
-      <li mode='end'><%= l(:label_course_done)%></li>
+      <li mode='doing' class="on"><%= l('user.courses.doing')%></li>
+      <li mode='end'><%= l('user.courses.done')%></li>
     </ul>
   </div>
 
diff --git a/config/locales/commons/en.yml b/config/locales/commons/en.yml
index 5998ee875..561fc09cc 100644
--- a/config/locales/commons/en.yml
+++ b/config/locales/commons/en.yml
@@ -189,7 +189,7 @@ en:
  
   text_are_you_sure: Are you sure?   #js 提示 
 
-
+  label_no_data: No data to display
   # 项目、课程、用户公用
   label_settings: Settings
   label_information_plural: Information  
@@ -209,7 +209,8 @@ en:
   label_more: "More>>"
   button_download: Download
   button_delete: Delete   
-
+  button_unfollow: Unfollow
+  button_follow: Follow
 
 
 
diff --git a/config/locales/commons/zh.yml b/config/locales/commons/zh.yml
index a0eb6e74a..35087eb06 100644
--- a/config/locales/commons/zh.yml
+++ b/config/locales/commons/zh.yml
@@ -147,10 +147,7 @@ zh:
         cant_link_an_issue_with_a_descendant: "问题不能关联到它的子任务"
         groupname_repeat: "该班名已存在"
 
-  attachment_all: "全部"
-  attachment_sufix_browse: "文件类型"
-  attachment_browse: "内容类型"
-  attachment_type: '分类'
+
   general_text_No: '否'
   general_text_Yes: '是'
   general_text_no: '否'
@@ -190,7 +187,10 @@ zh:
 
 
   text_are_you_sure: 您确定要删除吗？        #js 提示
-  
+
+
+
+  label_no_data: 没有任何数据可供显示  
   # 项目、课程、用户公用
   label_settings: 配置
   label_information_plural: 信息  
@@ -211,8 +211,10 @@ zh:
   button_download: 下载
   button_more: 更多 
   button_delete: 删除
-
-
+  button_unfollow: 取消关注
+  button_follow: 关注
+  button_watch: 跟踪
+  button_unwatch: 取消跟踪
   #
   #  Trustie上传头像模块
   #
diff --git a/config/locales/en.yml b/config/locales/en.yml
index f0f953f11..ac98c4005 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -340,7 +340,6 @@ en:
   label_create_new_projects: Create a project
   label_work_scores_people: The total number of users given scores
   label_project_grade: Score
-  label_user_for_project_grade: Score
   label_relation_files: Select an existing resource
   # Personal signature tips
 
@@ -478,7 +477,6 @@ en:
   label_text: Long text
   label_attribute: Attribute
   label_attribute_plural: Attributes
-  label_no_data: No data to display
   label_change_status: Change status
   label_history: History
   label_attachment: Files
@@ -933,9 +931,7 @@ en:
   text_turning_multiple_off: "If you disable multiple values, multiple values will be removed in order to preserve only one value per item."
   text_applied_project: "User %{id} Apply Join Project %{project}"
 
-  default_role_manager: Manager
-  default_role_developer: Developer
-  default_role_reporter: Reporter
+
   default_tracker_bug: Bug
   default_tracker_feature: Feature
   default_tracker_support: Support
@@ -1019,8 +1015,7 @@ en:
   #end by huang
 
   #added by liuping
-  button_unfollow: Unfollow
-  button_follow: Follow
+
   label_delete_confirm: Confirm delete？
 
   label_exit_project: Exit Project
@@ -1067,11 +1062,6 @@ en:
     zero: Follower
     one: Follower
     other: Followers
-  #end
-  label_member_since: joined
-  label_contribute_to: Participates %{project_count} projects：
-  #modify by men
-
   #end
   label_total_commit: Totally %{total_commit} commits  # modified by bai
   #modify by men
@@ -1084,7 +1074,7 @@ en:
   label_type_as: Type as
   label_status_as: Status as
   label_priority_as: Priority as
-  label_member_list: Member list
+
   label_author_name: Posted by %{author_name}
   label_comments_count: (%{count} comments)
   label_post_on: posts on
diff --git a/config/locales/projects/en.yml b/config/locales/projects/en.yml
index d3743a247..458311bda 100644
--- a/config/locales/projects/en.yml
+++ b/config/locales/projects/en.yml
@@ -66,6 +66,38 @@ en:
   label_expend_information: More Information
 
 
+  #   
+  #  项目托管平台
+  #
+  #  项目成员
+  #  
+  label_member_list: Members
+
+  label_member_since: "joined at"
+  label_user_for_project_grade: Score
+
+  default_role_manager: Manager
+  default_role_developer: Developer
+  default_role_reporter: Reporter
+
+
+  #   
+  #  项目托管平台
+  #
+  #  关注者列表
+  #  
+  label_followers: Followers
+  label_contribute_to: "Participates %{project_count} projects—"
+
+
+  #   
+  #  项目托管平台
+  #
+  #  资源库
+  #  
+
+
+
   #   
   #  项目托管平台
   #
@@ -80,6 +112,20 @@ en:
   #  
   
 
+  #   
+  #  项目托管平台
+  #
+  #  资源库
+  #  
+  
+
+  #   
+  #  项目托管平台
+  #
+  #  版本库
+  #  
+
+
   #   
   #  项目托管平台
   #
@@ -98,7 +144,6 @@ en:
   project_module_files: Files
   project_module_boards: Forums  
   
-  
   #   
   #  项目托管平台
   #
@@ -122,7 +167,7 @@ en:
   #   
   #  项目托管平台
   #
-  #  新建项目
+  #  新建项目/项目配置 >信息
   #      
   label_project_new_description: "A project can be used to do anything that requires distributed collaboration."
   field_name: Name
@@ -177,6 +222,10 @@ en:
 
 
 
-
+  #
+  #  项目托管平台
+  #
+  #  项目得分
+  #  
   label_approve: Approve
   label_refusal: Refusal
\ No newline at end of file
diff --git a/config/locales/projects/zh.yml b/config/locales/projects/zh.yml
index 2e6c06366..b68d9b64d 100644
--- a/config/locales/projects/zh.yml
+++ b/config/locales/projects/zh.yml
@@ -38,7 +38,8 @@ zh:
   label_exit_project: 退出项目
   label_apply_project_waiting: 已处理申请，请等待管理员审核
   label_unapply_project: 取消申请
-  
+  lable_sure_exit_project: 是否确认退出该项目  
+
   label_member: 成员
   project_module_attachments: 资源  
 
@@ -65,6 +66,81 @@ zh:
   label_project_overview: "项目简介："
   label_expend_information: 展开更多信息
 
+ 
+  #   
+  #  项目托管平台
+  #
+  #  项目成员
+  #  
+  label_member_list: 成员列表
+
+  label_member_since: "加入"
+  label_user_for_project_grade: 个人得分
+
+  default_role_manager: 管理人员
+  default_role_developer: 开发人员
+  default_role_reporter: 报告人员
+ 
+ 
+  #   
+  #  项目托管平台
+  #
+  #  关注者列表
+  #  
+  label_followers: 关注
+  label_contribute_to: 参与了 %{project_count} 个项目：
+
+
+  #   
+  #  项目托管平台
+  #
+  #  资源库
+  #  
+  lable_file_sharingarea: 资源共享区
+
+  label_upload_files: 上传文件
+
+
+  # 附件公用
+  label_relation_files: 关联已有资源
+  label_search_by_keyword: "按关键字搜索："
+  label_files_filter: "资源过滤："
+  attachment_all: "全部"
+  attachment_sufix_browse: "文件类型"
+  attachment_browse: "内容类型"
+  attachment_type: "分类"
+
+
+
+  #   
+  #  项目托管平台
+  #
+  #  问题跟踪
+  #  
+
+
+
+
+
+  #   
+  #  项目托管平台
+  #
+  #  项目讨论区
+  #  
+  
+
+  #   
+  #  项目托管平台
+  #
+  #  资源库
+  #  
+  
+
+  #   
+  #  项目托管平台
+  #
+  #  版本库
+  # 
 
   #   
   #  项目托管平台
@@ -83,7 +159,9 @@ zh:
   project_moule_boards_show: 项目论坛
   project_module_time_tracking: 时间跟踪
   project_module_course: 课程
-  
+  project_module_files: 资源库    
+ 
+ 
   #   
   #  项目托管平台
   #
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index a66182668..626a12abd 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -509,7 +509,7 @@ zh:
   label_summer: 夏季学期
   label_autumn: 秋季学期
   label_winter: 冬季学期
-  label_followers: 关注
+
 
   label_teacher_list: 教师列表
   label_student_list: 学生列表
@@ -558,7 +558,7 @@ zh:
   label_text: 文本
   label_attribute: 属性
   label_attribute_plural: 属性
-  label_no_data: 没有任何数据可供显示
+
   label_change_status: 变更状态
   label_history: 历史记录
   label_attachment: 文件
@@ -915,8 +915,6 @@ zh:
   button_sort: 排序
   button_log_time: 登记工时
   button_rollback: 恢复到这个版本
-  button_watch: 跟踪
-  button_unwatch: 取消跟踪
   button_reply: 回复
   button_archive: 存档
   button_unarchive: 取消存档
@@ -1003,9 +1001,6 @@ zh:
   text_applied_project: "用户 %{id} 申请加入项目 %{project}"
   text_issue_expire: "分配给您的任务%{issue}即将到期"
 
-  default_role_manager: 管理人员
-  default_role_developer: 开发人员
-  default_role_reporter: 报告人员
   default_tracker_bug: 错误
   default_tracker_feature: 功能
   default_tracker_support: 支持
@@ -1228,11 +1223,6 @@ zh:
     zero: 个关注者
     one: 个关注者
     other: 个关注者
-  #end
-  label_member_since: 加入
-  label_contribute_to: 参与了 %{project_count} 个项目：
-  #modify by men
-
   #end
   label_total_commit: 共%{total_commit}次提交
   label_question_number: 第%{question_number}题：
@@ -1249,7 +1239,7 @@ zh:
   label_type_as: 类型为
   label_status_as: 状态为
   label_priority_as: 优先级为
-  label_member_list: 成员列表
+
   label_author_name: 由%{author_name}发表了
 
   label_post_on: 发表了
@@ -1263,9 +1253,6 @@ zh:
 
 
   #added by liuping
-  button_unfollow: 取消关注
-  button_follow: 关注
-  label_followers: 关注
 
   label_delete_confirm: 确认删除？
   label_tags_bid: 需求名称
@@ -1604,8 +1591,6 @@ zh:
   label_code_submit_number: 代码提交次数
   label_topic_number: 讨论区发言数量
 
-  label_files_filter: 资源过滤：
-
 
     
   label_join_contest: 加入竞赛
@@ -1732,7 +1717,6 @@ zh:
 
   label_project_grade: 项目得分
   label_user_grade: 个人得分
-  label_user_for_project_grade: 个人得分
   label_system_grade: 系统评分
 
   label_ta: 助教
@@ -1798,7 +1782,6 @@ zh:
   you_are_master: 您是该项目的版主
 
   #add by linchun (竞赛相关)
-  label_upload_files: 上传文件
   label_upload_softwarepackage: 上传软件包
   label_upload_cuttingphoto: 上传截图
   label_contests_reward_method: 奖励方式
@@ -1879,7 +1862,6 @@ zh:
     one: 个动态
     other: 个动态
 
-  label_relation_files: 关联已有资源
   label_contest_settings: 配置竞赛
   label_contest_delete: 删除竞赛
   label_noawards_current: 暂未评奖
@@ -1976,7 +1958,6 @@ zh:
 
   lable_hot_course: 活跃课程
   lable_student_list_visable: 学生列表是否公开
-  lable_sure_exit_project: 是否确认退出该项目
 
   lable_input_class_vilidate: 学时只能为整数
   lable_school_list: 学校列表
@@ -1984,7 +1965,6 @@ zh:
   lable_teacher_evaluation: 作业综评
   lable_course_teacher: 主讲老师
   lable_course_end: 课程学期已结束
-  lable_file_sharingarea: 资源共享区
   label_no_contest_news_description: 竞赛描述不能为空
   label_contest_news_condition: 竞赛描述超过5000个汉字
   label_no_contest_news_title: 竞赛标题不能为空
@@ -2069,6 +2049,6 @@ zh:
   label_end_time: 截止时间
   label_send_email: 确定发送
   label_input_email: 请输入邮箱地址
-  project_module_files: 资源库
+