diff --git a/README.md b/README.md
index 9c9ecfa7..dc8e4b2a 100644
--- a/README.md
+++ b/README.md
@@ -123,13 +123,10 @@ Or
 
 Please visit [Xorm on Google Groups](https://groups.google.com/forum/#!forum/xorm)
 
-# Contributors
+# Contributing
 
 If you want to pull request, please see [CONTRIBUTING](https://github.com/go-xorm/xorm/blob/master/CONTRIBUTING.md)
 
-* [Lunny](https://github.com/lunny)
-* [Nashtsai](https://github.com/nashtsai)
-
 # LICENSE
 
  BSD License
diff --git a/README_CN.md b/README_CN.md
index c8f3f180..ce9b3f3c 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -124,13 +124,10 @@ xorm是一个简单而强大的Go语言ORM库. 通过它可以使数据库操作
 
 请加入QQ群：280360085 进行讨论。
 
-# 贡献者
+## 贡献
 
 如果您也想为Xorm贡献您的力量，请查看 [CONTRIBUTING](https://github.com/go-xorm/xorm/blob/master/CONTRIBUTING.md)
 
-* [Lunny](https://github.com/lunny)
-* [Nashtsai](https://github.com/nashtsai)
-
 ## LICENSE
 
 BSD License
diff --git a/docs/QuickStart.md b/docs/QuickStart.md
index f240806d..5ea49bdc 100644
--- a/docs/QuickStart.md
+++ b/docs/QuickStart.md
@@ -385,7 +385,7 @@ engine.Cols("age", "name").Update(&user)
 * Omit(...string)
 和cols相反，此函数指定排除某些指定的字段。注意：此方法和Cols方法不可同时使用
 ```Go
-engine.Cols("age").Update(&user)
+engine.Omit("age").Update(&user)
 // UPDATE user SET name = ? AND department = ?
 ```
 
diff --git a/docs/QuickStartCn.md b/docs/QuickStartCn.md
index 2b76ca8e..e5734824 100644
--- a/docs/QuickStartCn.md
+++ b/docs/QuickStartCn.md
@@ -23,7 +23,7 @@ xorm 快速入门
 	* [5.6.Count方法](#66)
 	* [5.7.Rows方法](#67)
 * [6.更新数据](#70)
-* [6.1.乐观锁](#71)
+	* [6.1.乐观锁](#71)
 * [7.删除数据](#80)
 * [8.执行SQL查询](#90)
 * [9.执行SQL命令](#100)
@@ -419,7 +419,7 @@ engine.Cols("age", "name").Update(&user)
 * Omit(...string)
 和cols相反，此函数指定排除某些指定的字段。注意：此方法和Cols方法不可同时使用
 ```Go
-engine.Cols("age").Update(&user)
+engine.Omit("age").Update(&user)
 // UPDATE user SET name = ? AND department = ?
 ```
 
diff --git a/session.go b/session.go
index feeda785..c1074601 100644
--- a/session.go
+++ b/session.go
@@ -3314,7 +3314,7 @@ func genCols(table *core.Table, session *Session, bean interface{}, useCol bool,
 		}
 
 		if (col.IsCreated || col.IsUpdated) && session.Statement.UseAutoTime {
-			args = append(args, time.Now())
+			args = append(args, session.Engine.NowTime(col.SQLType.Name))
 		} else if col.IsVersion && session.Statement.checkVersion {
 			args = append(args, 1)
 		} else {
diff --git a/statement.go b/statement.go
index 2de1f84a..b591f189 100644
--- a/statement.go
+++ b/statement.go
@@ -762,11 +762,12 @@ func (statement *Statement) genCountSql(bean interface{}) (string, []interface{}
 	statement.ConditionStr = strings.Join(colNames, " AND ")
 	statement.BeanArgs = args
 	// count(index fieldname) > count(0) > count(*)
-	var id string = "0"
+	// for compitable on kinds of database, just use *
+	/*var id string = "0"
 	if len(table.PrimaryKeys) == 1 {
-		id = statement.Engine.Quote(table.PrimaryKeys[0])
-	}
-	return statement.genSelectSql(fmt.Sprintf("COUNT(%v) AS %v", id, statement.Engine.Quote("total"))), append(statement.Params, statement.BeanArgs...)
+		id = statement.Engine.Quote(statement.TableName()) + "." + statement.Engine.Quote(table.PrimaryKeys[0])
+	}*/
+	return statement.genSelectSql(fmt.Sprintf("COUNT(*) AS %v", statement.Engine.Quote("total"))), append(statement.Params, statement.BeanArgs...)
 }
 
 func (statement *Statement) genSelectSql(columnStr string) (a string) {