diff --git a/chain.go b/chain.go
index 6b216ce..4b1de90 100644
--- a/chain.go
+++ b/chain.go
@@ -24,7 +24,7 @@ type Query struct {
 	data      []string
 	value     []interface{}
 	orderby   string
-	gruopby   string
+	groupby   string
 	page      int
 	page_size int
 	stmt      *sql.Stmt
@@ -93,8 +93,8 @@ func (this *Query) Orderby(orderby string) *Query {
 	this.orderby = orderby
 	return this
 }
-func (this *Query) Gruopby(gruopby string) *Query {
-	this.gruopby = gruopby
+func (this *Query) Groupby(groupby string) *Query {
+	this.groupby = groupby
 	return this
 }
 func (this *Query) Where(where string) *Query {
@@ -148,7 +148,7 @@ func (this *Query) Clean() *Query {
 	this.data = this.data[0:0]
 	this.value = this.value[0:0]
 	this.orderby = ""
-	this.gruopby = ""
+	this.groupby = ""
 	this.page = 0
 	this.page_size = 0
 	return this
@@ -205,8 +205,8 @@ func (this *Query) QueryStmt() error {
 			sql = helper.StringJoin(sql, strings.Join(this.where_or, " or "))
 		}
 	}
-	if this.gruopby != "" {
-		sql = helper.StringJoin(sql, " gruop by ", this.gruopby)
+	if this.groupby != "" {
+		sql = helper.StringJoin(sql, " group by ", this.groupby)
 
 	}
 	if this.orderby != "" {
@@ -400,7 +400,7 @@ func (this *Query) DeleteStmt() error {
 func (this *Query) Select() ([]map[string]string, error) {
 
 	_, rows, err := FetchRows(this.dbname, this.table, this.alias, this.title, this.join,
-		this.where, this.where_or, this.value, this.orderby, this.gruopby, this.page, this.page_size, this.debug)
+		this.where, this.where_or, this.value, this.orderby, this.groupby, this.page, this.page_size, this.debug)
 
 	return rows, err
 }
@@ -431,7 +431,7 @@ func (this *Query) List() ([]map[string]string, error) {
 func (this *Query) Find() (map[string]string, error) {
 
 	_, row, err := GetRow(this.dbname, this.table, this.alias, this.title, this.join,
-		this.where, this.where_or, this.value, this.orderby, this.gruopby, this.debug)
+		this.where, this.where_or, this.value, this.orderby, this.groupby, this.debug)
 
 	return row, err
 }
diff --git a/db.go b/db.go
index af39478..2daa252 100644
--- a/db.go
+++ b/db.go
@@ -284,7 +284,7 @@ func GetData(dbName, table string, title string, where map[string]string, limit
  * @param dbName 数据表名
  * @param title  查询字段名
  */
-func GetRow(dbName, table_name, alias string, titles string, join [][]string, where, where_or []string, valueList []interface{}, orderby, gruopby string, debug bool) (int, map[string]string, error) {
+func GetRow(dbName, table_name, alias string, titles string, join [][]string, where, where_or []string, valueList []interface{}, orderby, groupby string, debug bool) (int, map[string]string, error) {
 	var count int = 0
 	info := make(map[string]string)
 
@@ -334,8 +334,8 @@ func GetRow(dbName, table_name, alias string, titles string, join [][]string, wh
 			sql_str = helper.StringJoin(sql_str, strings.Join(where_or, " or "))
 		}
 	}
-	if gruopby != "" {
-		sql_str = helper.StringJoin(sql_str, " gruop by ", gruopby)
+	if groupby != "" {
+		sql_str = helper.StringJoin(sql_str, " group by ", groupby)
 	}
 	if orderby != "" {
 		sql_str = helper.StringJoin(sql_str, " order by ", orderby)
@@ -424,7 +424,7 @@ func GetRow(dbName, table_name, alias string, titles string, join [][]string, wh
  * @param dbName 数据表名
  * @param title  查询字段名
  */
-func FetchRows(dbName, table_name, alias string, titles string, join [][]string, where, where_or []string, valueList []interface{}, orderby, gruopby string, page int, page_size int, debug bool) (int, []map[string]string, error) {
+func FetchRows(dbName, table_name, alias string, titles string, join [][]string, where, where_or []string, valueList []interface{}, orderby, groupby string, page int, page_size int, debug bool) (int, []map[string]string, error) {
 	var count int = 0
 	list := make([]map[string]string, 0)
 
@@ -475,8 +475,8 @@ func FetchRows(dbName, table_name, alias string, titles string, join [][]string,
 			sql_str = helper.StringJoin(sql_str, strings.Join(where_or, " or "))
 		}
 	}
-	if gruopby != "" {
-		sql_str = helper.StringJoin(sql_str, " gruop by ", gruopby)
+	if groupby != "" {
+		sql_str = helper.StringJoin(sql_str, " group by ", groupby)
 	}
 	if orderby != "" {
 		sql_str = helper.StringJoin(sql_str, " order by ", orderby)
diff --git a/transaction_chain.go b/transaction_chain.go
index 97f01a0..7c6689d 100644
--- a/transaction_chain.go
+++ b/transaction_chain.go
@@ -24,7 +24,7 @@ type TxQuery struct {
 	data      []string
 	value     []interface{}
 	orderby   string
-	gruopby   string
+	groupby   string
 	page      int
 	page_size int
 	stmt      *sql.Stmt
@@ -94,8 +94,8 @@ func (this *TxQuery) Orderby(orderby string) *TxQuery {
 	this.orderby = orderby
 	return this
 }
-func (this *TxQuery) Gruopby(gruopby string) *TxQuery {
-	this.gruopby = gruopby
+func (this *TxQuery) Groupby(groupby string) *TxQuery {
+	this.groupby = groupby
 	return this
 }
 
@@ -149,7 +149,7 @@ func (this *TxQuery) Clean() *TxQuery {
 	this.data = this.data[0:0]
 	this.value = this.value[0:0]
 	this.orderby = ""
-	this.gruopby = ""
+	this.groupby = ""
 	this.page = 0
 	this.page_size = 0
 	return this
@@ -204,8 +204,8 @@ func (this *TxQuery) QueryStmt() error {
 			sql = helper.StringJoin(sql, strings.Join(this.where_or, " or "))
 		}
 	}
-	if this.gruopby != "" {
-		sql = helper.StringJoin(sql, " gruop by ", this.gruopby)
+	if this.groupby != "" {
+		sql = helper.StringJoin(sql, " group by ", this.groupby)
 
 	}
 	if this.orderby != "" {