diff --git a/app/models/student_work.rb b/app/models/student_work.rb
index bc217694f..4e61a4c18 100644
--- a/app/models/student_work.rb
+++ b/app/models/student_work.rb
@@ -4,4 +4,5 @@ class StudentWork < ActiveRecord::Base
 
   belongs_to :homework_common
   belongs_to :user
+  has_many :student_works_evaluation_distributions, :dependent => :destroy
 end
diff --git a/app/models/student_works_evaluation_distribution.rb b/app/models/student_works_evaluation_distribution.rb
new file mode 100644
index 000000000..60f786af8
--- /dev/null
+++ b/app/models/student_works_evaluation_distribution.rb
@@ -0,0 +1,7 @@
+#学生作品匿评分配表
+class StudentWorksEvaluationDistribution < ActiveRecord::Base
+  attr_accessible :student_work_id, :user_id
+
+  belongs_to :student_work
+  belongs_to :user
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index 660255a3d..44fbe8ff0 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -84,6 +84,7 @@ class User < Principal
   #作业相关关系
   has_many :homework_commons, :dependent => :destroy
   has_many :student_works, :dependent => :destroy
+  has_many :student_works_evaluation_distributions, :dependent => :destroy
   #end
 
   has_and_belongs_to_many :groups, :after_add => Proc.new {|user, group| group.user_added(user)},
diff --git a/db/migrate/20150519023821_create_student_works_evaluation_distributions.rb b/db/migrate/20150519023821_create_student_works_evaluation_distributions.rb
new file mode 100644
index 000000000..8f7ae2e25
--- /dev/null
+++ b/db/migrate/20150519023821_create_student_works_evaluation_distributions.rb
@@ -0,0 +1,10 @@
+class CreateStudentWorksEvaluationDistributions < ActiveRecord::Migration
+  def change
+    create_table :student_works_evaluation_distributions do |t|
+      t.integer :student_work_id
+      t.integer  :user_id
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index ace644072..9ea140a32 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 => 20150519022200) do
+ActiveRecord::Schema.define(:version => 20150519023821) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -1211,6 +1211,13 @@ ActiveRecord::Schema.define(:version => 20150519022200) do
     t.datetime "updated_at",                               :null => false
   end
 
+  create_table "student_works_evaluation_distributions", :force => true do |t|
+    t.integer  "student_work_id"
+    t.integer  "user_id"
+    t.datetime "created_at",      :null => false
+    t.datetime "updated_at",      :null => false
+  end
+
   create_table "students_for_courses", :force => true do |t|
     t.integer  "student_id"
     t.integer  "course_id"