From d7486e76e5d3360f78b5bcc84a52c1c5e206c3d3 Mon Sep 17 00:00:00 2001
From: Francis <455954986@qq.com>
Date: Sun, 7 Jun 2020 09:20:58 +0800
Subject: [PATCH] Update README.md

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

diff --git a/README.md b/README.md
index 6754cfa..4b6bd94 100644
--- a/README.md
+++ b/README.md
@@ -219,6 +219,7 @@ C++2.0 是一个简称，意为「现代 C++」，包括 C++11/14/17/20。
 ### 4.设计模式
 
 - [单例模式](./design_pattern/singleton)
+- [生产消费者模式](./design_pattern/producer_consumer)
 
 ### 5. [STL 源码剖析](./src_analysis/stl)