diff --git a/dataset.go b/dataset.go
index 1065da6..a1b4394 100644
--- a/dataset.go
+++ b/dataset.go
@@ -5,7 +5,7 @@ import (
 	"q5"
 )
 
-type DataSet struct {
+type OldDataSet struct {
 	rows    *sql.Rows
 	columns []string
 	values  []interface{}
@@ -14,20 +14,20 @@ type DataSet struct {
 }
 
 //已读取函数(调用Next成功的次数)
-func (this *DataSet) NumOfReaded() int64 {
+func (this *OldDataSet) NumOfReaded() int64 {
 	return this.numOfReaded
 }
 
-func (this *DataSet) close() {
+func (this *OldDataSet) close() {
 	if this.rows != nil {
 		this.rows.Close()
 	}
 	this.closed = true
 }
 
-func (this *DataSet) Next() bool {
+func (this *OldDataSet) Next() bool {
 	if this.closed {
-		panic("DataSet is closed")
+		panic("OldDataSet is closed")
 	}
 	ret := this.rows.Next()
 	if !ret {
@@ -42,12 +42,12 @@ func (this *DataSet) Next() bool {
 	}
 	err := this.rows.Scan(this.values...)
 	if err != nil {
-		panic("DataSet Next error:" + err.Error())
+		panic("OldDataSet Next error:" + err.Error())
 	}
 	return ret
 }
 
-func (this *DataSet) GetColumns() []string {
+func (this *OldDataSet) GetColumns() []string {
 	if len(this.columns) <= 0 {
 		columns, err := this.rows.Columns()
 		if err == nil {
@@ -60,7 +60,7 @@ func (this *DataSet) GetColumns() []string {
 /*
    安全版:nil值视为""
 */
-func (this *DataSet) GetValues() *[]string {
+func (this *OldDataSet) GetValues() *[]string {
 	values := []string{}
 	for _, val := range this.values {
 		raw_val := val.(*sql.NullString)
@@ -76,7 +76,7 @@ func (this *DataSet) GetValues() *[]string {
 /*
    安全版:nil值视为""
 */
-func (this *DataSet) GetByName(name string) string {
+func (this *OldDataSet) GetByName(name string) string {
 	val := this.GetRawValueByName(name)
 	if val == nil {
 		return ""
@@ -88,7 +88,7 @@ func (this *DataSet) GetByName(name string) string {
 /*
    安全版:nil值视为""
 */
-func (this *DataSet) GetByIndex(index int32) string {
+func (this *OldDataSet) GetByIndex(index int32) string {
 	val := this.GetRawValueByIndex(index)
 	if val == nil {
 		return ""
@@ -100,7 +100,7 @@ func (this *DataSet) GetByIndex(index int32) string {
 /*
    !!!原始版: 调用方应处理值为nil的情况
 */
-func (this *DataSet) GetRawValues() *[]string {
+func (this *OldDataSet) GetRawValues() *[]string {
 	values := []*string{}
 	for _, val := range this.values {
 		raw_val := val.(*sql.NullString)
@@ -116,7 +116,7 @@ func (this *DataSet) GetRawValues() *[]string {
 /*
    !!!原始版: 调用方应处理值为nil的情况
 */
-func (this *DataSet) GetRawValueByName(name string) *string {
+func (this *OldDataSet) GetRawValueByName(name string) *string {
 	this.GetColumns()
 	for i := 0; i < len(this.columns); i++ {
 		if this.columns[i] == name {
@@ -129,7 +129,7 @@ func (this *DataSet) GetRawValueByName(name string) *string {
 /*
    !!!原始版: 调用方应处理值为nil的情况
 */
-func (this *DataSet) GetRawValueByIndex(index int32) *string {
+func (this *OldDataSet) GetRawValueByIndex(index int32) *string {
 	this.GetColumns()
 	sql_val := this.values[index].(*sql.NullString)
 	if sql_val.Valid {
@@ -139,8 +139,8 @@ func (this *DataSet) GetRawValueByIndex(index int32) *string {
 	}
 }
 
-func NewDataSet(rows *sql.Rows) *DataSet {
-	dataSet := new(DataSet)
+func NewDataSet(rows *sql.Rows) *OldDataSet {
+	dataSet := new(OldDataSet)
 	dataSet.rows = rows
 	return dataSet
 }
diff --git a/types.go b/types.go
index cd8d196..531a1e9 100644
--- a/types.go
+++ b/types.go
@@ -34,6 +34,7 @@ type StreamPagination struct {
 	Remaining int32
 }
 
+type DataSet = OldDataSet;
 type HandlerFunc func(*Context)
 type GinHandlerFunc func(*gin.Context)