From f6bc7594e12073608b1a190caedb0ac6ab4fb81e Mon Sep 17 00:00:00 2001
From: hayden <hayden9653@gmail.com>
Date: Wed, 20 Dec 2023 11:12:18 +0800
Subject: [PATCH] docs: update visitor demo

---
 README-zh_CN.md | 5 +++--
 README.md       | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/README-zh_CN.md b/README-zh_CN.md
index f7f0fc3..11d30ac 100644
--- a/README-zh_CN.md
+++ b/README-zh_CN.md
@@ -180,8 +180,9 @@ class MyVisitor extends AbstractParseTreeVisitor<Result> implements MySqlParserV
         console.log('SelectElements', selectElements);
         return '';
     }
-    visitProgram(ctx) {
-        return 'Return by program node'
+    visitProgram(ctx) { // program 是根规则
+        this.visitChildren(ctx);
+        return 'Return by program context'
     }
 }
 const visitor = new MyVisitor();
diff --git a/README.md b/README.md
index 4e951c5..21e3895 100644
--- a/README.md
+++ b/README.md
@@ -187,8 +187,9 @@ class MyVisitor extends AbstractParseTreeVisitor<Result> implements MySqlParserV
         console.log('SelectElements:', selectElements);
         return '';
     }
-    visitProgram(ctx) {
-        return 'Return by program node'
+    visitProgram(ctx) { // program is root rule
+        this.visitChildren(ctx);
+        return 'Return by program context'
     }
 }
 const visitor = new MyVisitor();