diff --git a/ast/astutil/astutil.go b/ast/astutil/astutil.go
index c5b720a..1199c10 100644
--- a/ast/astutil/astutil.go
+++ b/ast/astutil/astutil.go
@@ -167,13 +167,6 @@ func (nr *NodeReader) CurNodeIs(nm NodeMatcher) bool {
 	return false
 }
 
-func isEnclose(node ast.Node, pos token.Pos) bool {
-	if 0 <= token.ComparePos(pos, node.Pos()) && 0 >= token.ComparePos(pos, node.End()) {
-		return true
-	}
-	return false
-}
-
 func IsEnclose(node ast.Node, pos token.Pos) bool {
 	if 0 <= token.ComparePos(pos, node.Pos()) && 0 >= token.ComparePos(pos, node.End()) {
 		return true
@@ -183,7 +176,7 @@ func IsEnclose(node ast.Node, pos token.Pos) bool {
 
 func (nr *NodeReader) CurNodeEncloseIs(pos token.Pos) bool {
 	if nr.CurNode != nil {
-		return isEnclose(nr.CurNode, pos)
+		return IsEnclose(nr.CurNode, pos)
 	}
 	return false
 }
@@ -191,7 +184,7 @@ func (nr *NodeReader) CurNodeEncloseIs(pos token.Pos) bool {
 func (nr *NodeReader) PeekNodeEncloseIs(pos token.Pos) bool {
 	_, peekNode := nr.PeekNode(false)
 	if peekNode != nil {
-		return isEnclose(peekNode, pos)
+		return IsEnclose(peekNode, pos)
 	}
 	return false
 }
diff --git a/parser/parseutil/position.go b/parser/parseutil/position.go
index e8ea8ea..9e5d51b 100644
--- a/parser/parseutil/position.go
+++ b/parser/parseutil/position.go
@@ -1,8 +1,6 @@
 package parseutil
 
 import (
-	"fmt"
-
 	"github.com/lighttiger2505/sqls/ast"
 	"github.com/lighttiger2505/sqls/ast/astutil"
 	"github.com/lighttiger2505/sqls/token"
@@ -136,7 +134,6 @@ func isInsertValues(nw *NodeWalker) bool {
 			return true
 		}
 		if nw.PrevNodesIsWithDepth(true, genTokenMatcher([]token.Kind{token.Comma}), depth) {
-			fmt.Println("PrevNodesIs Comma")
 			return true
 		}
 	}