diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 6da45c10b..71b852e01 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -464,6 +464,10 @@ class ProjectsController < ApplicationController
   # by young
   # include CoursesHelper
   def member
+    # 消息"同意加入项目"
+    if params[:message_id]
+      message_invite(params[:message_id], params[:key])
+    end
     # params[:login]为邮箱邀请用户加入，主要功能：
     # 1、自动注册
     # 2、加入项目、创建角色
@@ -519,6 +523,14 @@ class ProjectsController < ApplicationController
     @members = paginateHelper @members
   end
 
+  def message_invite(message_id, key)
+    forge_message = ForgeMessage.find(message_id)
+    if key == forge_message.secret_key
+      Member.create(:role_ids => [4], :user_id => forge_message.user_id, :project_id => forge_message.project_id)
+      UserGrade.create(:user_id => forge_message.user_id, :project_id => forge_message.project_id)
+    end
+  end
+
   #判断指定用户是否为课程教师
   def isCourseTeacher(id)
      result = false
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 7b4b9d2e4..6a865b203 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -83,7 +83,7 @@ module ProjectsHelper
     elsif ivite_list.user.active?
       value = "邀请已发送，等待用户加入！"
     else
-      value = "账号尚未激活，等待用户应答！"
+      value = "邀请已发送，等待用户激活账号！"
     end
   end
 
diff --git a/app/models/forge_message.rb b/app/models/forge_message.rb
index 0c8b3384f..0dce57598 100644
--- a/app/models/forge_message.rb
+++ b/app/models/forge_message.rb
@@ -8,7 +8,7 @@ class ForgeMessage < ActiveRecord::Base
   TYPE_OF_WIKI_ACT = "Wiki"
   TYPE_OF_NEWS_ACT = "News"
 
-  attr_accessible :forge_message_id, :forge_message_type, :project_id, :user_id, :viewed
+  attr_accessible :forge_message_id, :forge_message_type, :project_id, :user_id, :viewed, :secret_key
 
   belongs_to :forge_message ,:polymorphic => true
   belongs_to :project
diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index c9ab6e58e..e5ca8130e 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -89,7 +89,8 @@ class Mailer < ActionMailer::Base
 
   # 邀请信息消息 注：forge_message_id 为邀请人ID(特殊情况)
   def send_message(user, project)
-    ForgeMessage.create(:user_id => user.id, :project_id => project.id, :forge_message_type => "Project_Invite",:forge_message_id => User.current.id, :viewed => false)
+    key = newpass(6).to_s
+    ForgeMessage.create(:user_id => user.id, :project_id => project.id, :forge_message_type => "ProjectInvite",:forge_message_id => User.current.id, :viewed => false, :secret_key =>key)
   end
 
   # author: alan
diff --git a/app/views/users/user_messages.html.erb b/app/views/users/user_messages.html.erb
index 5ac9f7e8e..9d1532282 100644
--- a/app/views/users/user_messages.html.erb
+++ b/app/views/users/user_messages.html.erb
@@ -74,9 +74,10 @@
             </ul>
         <% end %>
     <% end %>
-    <%# 课程消息 %>
+    <!--总消息列表-->
     <% unless @message_alls.nil? %>
         <% @message_alls.each do |ma| %>
+            <%# 课程消息 %>
             <% if ma.class == CourseMessage %>
                 <% if ma.course_message_type == "News" %>
                     <ul class="homepageNewsList fl">
@@ -250,6 +251,7 @@
             <% end %>
             <!--项目消息-->
             <% if ma.class == ForgeMessage %>
+                <!--申请加入项目-->
                 <% if ma.forge_message_type == "AppliedProject" %>
                     <ul class="homepageNewsList fl">
                       <li class="homepageNewsPortrait fl">
@@ -270,6 +272,35 @@
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
+                <!--邀请加入项目-->
+                <% if ma.forge_message_type == "ProjectInvite" %>
+                    <% inviter = User.find(ma.forge_message_id) %>
+                    <ul class="homepageNewsList fl">
+                      <li class="homepageNewsPortrait fl">
+                        <a href="javascript:void(0);"><%=link_to image_tag(url_to_avatar(inviter), :width => "30", :height => "30"), user_path(inviter) %></a>
+                      </li>
+                      <li class="homepageNewsPubType fl">
+                        <%=link_to inviter, user_path(inviter), :class => "newsBlue homepageNewsPublisher" %>
+                        <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl" : "homepageNewsType fl" %>">邀请你加入项目：</span>
+                      </li>
+                      <li class="homepageHomeworkContent fl">
+                        <%= link_to ma.project, project_path(ma.project),
+                                    :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                    :onmouseover => "message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %>
+                      </li>
+                      <div style="display: none" class="message_title_red system_message_style">
+                        <%= ma.project %>
+                      </div>
+                      <li  class="homepageHomeworkContentWarn fl">
+                        <%=link_to "同意加入", {:controller => 'projects', :action => 'member', :id => ma.project_id, :message_id =>ma.id,  :key => ma.secret_key},
+                                   :value => ma.secret_key,
+                                   :class => "green_btn_cir ml10",
+                                   :style => "color:#fff" %>
+                      </li>
+                      <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
+                    </ul>
+                <% end %>
                 <% if ma.forge_message_type == "Issue" %>
                     <ul class="homepageNewsList fl">
                       <li class="homepageNewsPortrait fl">
diff --git a/db/migrate/20150918134804_add_secret_key_to_forge_message.rb b/db/migrate/20150918134804_add_secret_key_to_forge_message.rb
new file mode 100644
index 000000000..1de5a8ae9
--- /dev/null
+++ b/db/migrate/20150918134804_add_secret_key_to_forge_message.rb
@@ -0,0 +1,5 @@
+class AddSecretKeyToForgeMessage < ActiveRecord::Migration
+  def change
+    add_column :forge_messages, :secret_key, :string
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index d0c60e724..3ab82977a 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150917081214) do
+ActiveRecord::Schema.define(:version => 20150918135051) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -575,6 +575,8 @@ ActiveRecord::Schema.define(:version => 20150917081214) do
     t.integer  "viewed"
     t.datetime "created_at",         :null => false
     t.datetime "updated_at",         :null => false
+    t.string   "secret_key"
+    t.string   "code"
   end
 
   create_table "forums", :force => true do |t|
@@ -1329,7 +1331,7 @@ ActiveRecord::Schema.define(:version => 20150917081214) do
     t.datetime "updated_at",                                                       :null => false
     t.integer  "late_penalty",                                  :default => 0
     t.integer  "absence_penalty",                               :default => 0
-    t.integer  "system_score"
+    t.float    "system_score",                                  :default => 0.0
     t.boolean  "is_test",                                       :default => false
   end