README.md in unidom-product-0.2 vs README.md in unidom-product-0.3

@@ -4,19 +4,34 @@
 [![Gem Version](https://badge.fury.io/rb/unidom-product.svg)](https://badge.fury.io/rb/unidom-product)
 
 Unidom (UNIfied Domain Object Model) is a series of domain model engines. The Product domain model engine includes Product and its relative models.
 Unidom (统一领域对象模型)是一系列的领域模型引擎。产品领域模型引擎包括产品及其相关的模型。
 
+## Recent Update
+Check out the [Road Map](ROADMAP.md) to find out what's the next.
+Check out the [Change Log](CHANGELOG.md) to find out what's new.
+
 ## Usage in Gemfile
 ```ruby
 gem 'unidom-product'
 ```
 
 ## Run the Database Migration
 ```shell
 rake db:migrate
 ```
+The migration versions start with 200202.
 
 ## Call the Model
 ```ruby
-Unidom::Product::Product.valid_at.alive.first
+# Create a Product
+product = Unidom::Product::Product.create(name: 'Apple iPhone 6S Plus 64G',
+  abbreviation:     'iPhone 6S+ 64G',
+  measurement_unit: 'unit',
+  packing_norm:     '1 unit per pack',
+  formset_code:     'WARE',
+  description:      'the latest iPhone model',
+  instruction:      'It is almost sold out.')
+
+# Find the Product per Formset Code
+Product.formset_coded_as('SRVC').valid_at.alive.first
 ```