diff --git a/app/models/commit.rb b/app/models/commit.rb
new file mode 100644
index 000000000..246b8be0c
--- /dev/null
+++ b/app/models/commit.rb
@@ -0,0 +1,10 @@
+class Commit < ActiveRecord::Base
+  attr_accessible :comments, :committed_on, :committer, :project_id, :repository_id, :version
+  has_many :forge_acts, :class_name => 'ForgeActivity',:as =>:forge_act ,:dependent => :destroy
+  after_create :act_as_forge_activity
+
+  # 项目中提交动态
+  def act_as_forge_activity
+    self.forge_acts << ForgeActivity.new(:user_id => 2, :project_id => self.project_id)
+  end
+end
diff --git a/db/migrate/20160721075236_create_commits.rb b/db/migrate/20160721075236_create_commits.rb
new file mode 100644
index 000000000..5482c10c5
--- /dev/null
+++ b/db/migrate/20160721075236_create_commits.rb
@@ -0,0 +1,14 @@
+class CreateCommits < ActiveRecord::Migration
+  def change
+    create_table :commits do |t|
+      t.integer :repository_id
+      t.string :version
+      t.string :committer
+      t.text :comments
+      t.date :committed_on
+      t.integer :project_id
+
+      t.timestamps
+    end
+  end
+end
diff --git a/spec/factories/commits.rb b/spec/factories/commits.rb
new file mode 100644
index 000000000..c520e8b64
--- /dev/null
+++ b/spec/factories/commits.rb
@@ -0,0 +1,11 @@
+FactoryGirl.define do
+  factory :commit do
+    repository_id 1
+version "MyString"
+committer "MyString"
+comments "MyText"
+committed_on "2016-07-21"
+project_id 1
+  end
+
+end
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
new file mode 100644
index 000000000..546996270
--- /dev/null
+++ b/spec/models/commit_spec.rb
@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Commit, :type => :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end