diff --git a/app/models/invite_list.rb b/app/models/invite_list.rb
new file mode 100644
index 000000000..605c35a07
--- /dev/null
+++ b/app/models/invite_list.rb
@@ -0,0 +1,5 @@
+class InviteList < ActiveRecord::Base
+  attr_accessible :project_id, :user_id
+  belongs_to :user
+  belongs_to :project
+end
diff --git a/app/models/project.rb b/app/models/project.rb
index 47878dbec..249df8640 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -67,7 +67,7 @@ class Project < ActiveRecord::Base
   has_many :student, :through => :students_for_courses, :source => :user
   has_one :course_extra, :class_name => 'Course', :foreign_key => :extra,:primary_key => :identifier, :dependent => :destroy
   has_many :applied_projects
-
+  has_many :invite_lists
 
   # end
   #ADDED BY NIE
diff --git a/app/models/user.rb b/app/models/user.rb
index 7b232bf13..fa3134a58 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -125,6 +125,10 @@ class User < Principal
   has_many :documents # 项目中关联的文档再次与人关联
 # end
 
+  # 邮件邀请状态
+  has_many :invite_lists
+  # end
+
 ######added by nie
   has_many :project_infos, :dependent => :destroy
   has_one :user_status, :dependent => :destroy
diff --git a/db/migrate/20150528024616_create_invite_lists.rb b/db/migrate/20150528024616_create_invite_lists.rb
new file mode 100644
index 000000000..222a3a3f8
--- /dev/null
+++ b/db/migrate/20150528024616_create_invite_lists.rb
@@ -0,0 +1,10 @@
+class CreateInviteLists < ActiveRecord::Migration
+  def change
+    create_table :invite_lists do |t|
+      t.integer :project_id
+      t.integer :user_id
+
+      t.timestamps
+    end
+  end
+end
diff --git a/spec/factories/invite_lists.rb b/spec/factories/invite_lists.rb
new file mode 100644
index 000000000..c9ce0e826
--- /dev/null
+++ b/spec/factories/invite_lists.rb
@@ -0,0 +1,7 @@
+FactoryGirl.define do
+  factory :invite_list do
+    project_id 1
+user_id 1
+  end
+
+end
diff --git a/spec/models/invite_list_spec.rb b/spec/models/invite_list_spec.rb
new file mode 100644
index 000000000..8da327964
--- /dev/null
+++ b/spec/models/invite_list_spec.rb
@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe InviteList, :type => :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end