diff --git a/syntax.go b/syntax.go
index 6a3db44..a8655d9 100644
--- a/syntax.go
+++ b/syntax.go
@@ -13,10 +13,21 @@ package filter
 //
 // Date : 14:33 2022/7/5
 func NewSyntax(jsonData string) *syntax {
-	return &syntax{}
+	return &syntax{
+		lexicalInstance: NewLexical(jsonData),
+	}
 }
 
 type syntax struct {
-	// 词法分
+	// 词法分析实例
 	lexicalInstance *lexical
 }
+
+// Parse 构建语法树
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 16:35 2022/7/5
+func (s *syntax) Parse() error {
+	return nil
+}