diff --git a/VERSION b/VERSION
index a7805434..10025411 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-xorm v0.2
+xorm v0.2.2
diff --git a/doc.go b/doc.go
index 3b0b4049..db2b96ac 100644
--- a/doc.go
+++ b/doc.go
@@ -5,9 +5,10 @@
 /*
 Package xorm is a simple and powerful ORM for Go.
 
-
 Installation
 
+Make sure you have installed Go 1.1+ and then:
+
 	go get github.com/lunny/xorm
 
 Create Engine
@@ -20,7 +21,7 @@ Method NewEngine's parameters is the same as sql.Open. It depends
 drivers' implementation.
 Generally, one engine is enough. You can set it as package variable.
 
-Usage
+Raw Methods
 
 Xorm also support raw sql execution:
 
@@ -32,6 +33,8 @@ Xorm also support raw sql execution:
 
 	affected, err := engine.Exec("update user set .... where ...")
 
+ORM Methods
+
 There are 7 major ORM methods and many helpful methods to use to operate database.
 
 1. Insert one or multipe records to database
@@ -77,7 +80,7 @@ There are 7 major ORM methods and many helpful methods to use to operate databas
 	counts, err := engine.Count(&user)
 	// SELECT count(*) AS total FROM user
 
-Condition
+Conditions
 
 The above 7 methods could use with condition methods.
 
@@ -85,6 +88,8 @@ The above 7 methods could use with condition methods.
 
 	engine.Id(1).Get(&user)
 	// SELECT * FROM user WHERE id = 1
+	engine.In("id", 1, 2, 3).Find(&users)
+	// SELECT * FROM user WHERE id IN (1, 2, 3)
 
 2. Where, And, Or
 
@@ -125,5 +130,6 @@ The above 7 methods could use with condition methods.
 	engine.Join("LEFT", "userdetail", "user.id=userdetail.id").Find()
 	//SELECT * FROM user LEFT JOIN userdetail ON user.id=userdetail.id
 
+More usage, please visit https://github.com/lunny/xorm/blob/master/docs/QuickStartEn.md
 */
 package xorm
diff --git a/docs/QuickStart.md b/docs/QuickStart.md
index 39cb9ce6..c46af101 100644
--- a/docs/QuickStart.md
+++ b/docs/QuickStart.md
@@ -6,6 +6,7 @@ xorm 快速入门
 	* [2.1.名称映射规则](#21)
 	* [2.2.使用Table和Tag改变名称映射](#22)
 	* [2.3.Column属性定义](#23)
+	* [2.4.默认字段类型](#24)
 * [3.表结构操作](#30)
 	* [3.1 获取数据库信息](#31)
 	* [3.2 表操作](#32)
@@ -70,8 +71,6 @@ xorm当前支持四种驱动如下：
 
 * Postgres: [github.com/lib/pq](https://github.com/lib/pq)
 
-* Postgres: [github.com/bylevel/pq](https://github.com/bylevel/pq)
-
 NewEngine传入的参数和`sql.Open`传入的参数完全相同，因此，使用哪个驱动前，请查看此驱动中关于传入参数的说明文档。
 
 在engine创建完成后可以进行一些设置，如：
@@ -99,7 +98,6 @@ engine.Logger = f
 * 如果需要设置连接池的空闲数大小，可以使用`engine.SetIdleConns()`来实现。
 * 如果需要设置最大打开连接数，则可以使用`engine.SetMaxConns()`来实现。
 
-
 <a name="20" id="20"></a>
 ## 2.定义表结构体
 
@@ -201,6 +199,13 @@ type Conversion interface {
 }
 ```
 
+<a name="24" id="24"></a>
+### 2.4.默认字段类型
+
+如果不使用tag来定义field对应的数据库字段类型，那么系统会自动给出一个默认的字段类型，对应表如下：
+
+[go类型<->数据库类型对应表](https://github.com/lunny/xorm/blob/master/docs/AutoMap.md)
+
 <a name="30" id="30"></a>
 ## 3.表结构操作
 
@@ -682,6 +687,10 @@ money float64 `xorm:"Numeric"`
 }
 ```
 
+* 为什么Update时Sqlite3返回的affected和其它数据库不一样？
+
+答：Sqlite3默认Update时返回的是update的查询条件的记录数条数，不管记录是否真的有更新。而Mysql和Postgres默认情况下都是只返回记录中有字段改变的记录数。
+
 <a name="170" id="170"></a>
 ## 16.讨论
 请加入QQ群：280360085 进行讨论。