diff --git a/app/models/course_status.rb b/app/models/course_status.rb
new file mode 100644
index 000000000..d5a01ac4b
--- /dev/null
+++ b/app/models/course_status.rb
@@ -0,0 +1,3 @@
+class CourseStatus < ActiveRecord::Base
+  attr_accessible :changesets_count, :course_ac_para, :course_id, :grade, :watchers_count
+end
diff --git a/db/migrate/20140529084427_create_course_statuses.rb b/db/migrate/20140529084427_create_course_statuses.rb
new file mode 100644
index 000000000..1244425db
--- /dev/null
+++ b/db/migrate/20140529084427_create_course_statuses.rb
@@ -0,0 +1,13 @@
+class CreateCourseStatuses < ActiveRecord::Migration
+  def change
+    create_table :course_statuses do |t|
+      t.integer :changesets_count
+      t.integer :watchers_count
+      t.integer :course_id
+      t.float :grade ,default:0
+      t.integer :course_ac_para ,default:0
+
+      t.timestamps
+    end
+  end
+end