From 2e187c357c1ec8f949dc2e5025c89322ef315e4d Mon Sep 17 00:00:00 2001
From: Tong Bu <stepsame@gmail.com>
Date: Fri, 7 Jul 2017 18:14:24 +0800
Subject: [PATCH] remove useless parameters

---
 lesson2/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lesson2/README.md b/lesson2/README.md
index 5657a07..13fc694 100644
--- a/lesson2/README.md
+++ b/lesson2/README.md
@@ -74,7 +74,7 @@ app.get('/', function (req, res) {
   res.send(md5Value);
 });
 
-app.listen(3000, function (req, res) {
+app.listen(3000, function () {
   console.log('app is running at port 3000');
 });