From 5ed84e1cd83472ea3f32b7dfb02bd978c09f37c5 Mon Sep 17 00:00:00 2001
From: GITSRC <34047788+gitsrc@users.noreply.github.com>
Date: Fri, 21 May 2021 15:55:53 +0800
Subject: [PATCH] doc: update README.md (#3806)

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

diff --git a/README.md b/README.md
index 792752758..fd722d4ad 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ use tokio::io::{AsyncReadExt, AsyncWriteExt};
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let mut listener = TcpListener::bind("127.0.0.1:8080").await?;
+    let listener = TcpListener::bind("127.0.0.1:8080").await?;
 
     loop {
         let (mut socket, _) = listener.accept().await?;