diff --git a/dev/ast/node_test.go b/dev/ast/node_test.go
index ce3e9fe46..31a42e0d8 100644
--- a/dev/ast/node_test.go
+++ b/dev/ast/node_test.go
@@ -7,6 +7,7 @@ import (
 	"strconv"
 	"testing"
 
+	"github.com/bytedance/sonic/ast"
 	"github.com/bytedance/sonic/internal/decoder"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/stretchr/testify/require"
@@ -65,9 +66,9 @@ func TestNodeParse(t *testing.T) {
 
 func BenchmarkNode_GetByPath(b *testing.B) {
 	b.Run("10/2", func(b *testing.B) {
-		src := getSample(10, 1)
+		src := getSample(10, 0)
 		b.ResetTimer()
-		n, _ := NewParser(src).Parse()
+		n, _ := ast.NewParser(src).Parse()
 		for i := 0; i < b.N; i++ {
 			_ = n.GetByPath("5")
 		}
@@ -75,7 +76,7 @@ func BenchmarkNode_GetByPath(b *testing.B) {
 	b.Run("10/2/2", func(b *testing.B) {
 		src := getSample(10, 1)
 		b.ResetTimer()
-		n, _ := NewParser(src).Parse()
+		n, _ := ast.NewParser(src).Parse()
 		for i := 0; i < b.N; i++ {
 			x := n.GetByPath("5", "5")
 			if x.Check() != nil {
@@ -84,9 +85,9 @@ func BenchmarkNode_GetByPath(b *testing.B) {
 		}
 	})
 	b.Run("100/2", func(b *testing.B) {
-		src := getSample(100, 1)
+		src := getSample(100, 0)
 		b.ResetTimer()
-		n, _ := NewParser(src).Parse()
+		n, _ := ast.NewParser(src).Parse()
 		for i := 0; i < b.N; i++ {
 			_ = n.GetByPath("50")
 		}
@@ -94,7 +95,7 @@ func BenchmarkNode_GetByPath(b *testing.B) {
 	b.Run("100/2/2", func(b *testing.B) {
 		src := getSample(100, 1)
 		b.ResetTimer()
-		n, _ := NewParser(src).Parse()
+		n, _ := ast.NewParser(src).Parse()
 		for i := 0; i < b.N; i++ {
 			x := n.GetByPath("50", "50")
 			if x.Check() != nil {
@@ -103,9 +104,9 @@ func BenchmarkNode_GetByPath(b *testing.B) {
 		}
 	})
 	b.Run("1000/2", func(b *testing.B) {
-		src := getSample(1000, 1)
+		src := getSample(1000, 0)
 		b.ResetTimer()
-		n, _ := NewParser(src).Parse()
+		n, _ := ast.NewParser(src).Parse()
 		for i := 0; i < b.N; i++ {
 			_ = n.GetByPath("500")
 		}
@@ -113,7 +114,7 @@ func BenchmarkNode_GetByPath(b *testing.B) {
 	b.Run("1000/2/2", func(b *testing.B) {
 		src := getSample(1000, 1)
 		b.ResetTimer()
-		n, _ := NewParser(src).Parse()
+		n, _ := ast.NewParser(src).Parse()
 		for i := 0; i < b.N; i++ {
 			x := n.GetByPath("500", "500")
 			if x.Check() != nil {
diff --git a/dev/ast/parser.go b/dev/ast/parser.go
index 41df6ca5e..9a5fd7725 100644
--- a/dev/ast/parser.go
+++ b/dev/ast/parser.go
@@ -22,7 +22,6 @@ import (
 	"github.com/bytedance/sonic/internal/native"
 	"github.com/bytedance/sonic/internal/native/types"
 	"github.com/bytedance/sonic/internal/rt"
-	"github.com/davecgh/go-spew/spew"
 )
 
 type Parser struct {
@@ -40,7 +39,6 @@ func (self *Parser) Pos() int {
 // parse one layer but no validate sub layers
 func (self *Parser) Parse() (Node, error) {
 	node, err := parseLazy(self.src, nil)
-    spew.Dump(node.node)
 	if err != nil {
 		return Node{}, err
 	}