From bb2f1c326f2b46c28056f040150b4f039db1902e Mon Sep 17 00:00:00 2001
From: hlccd <56643462+hlccd@users.noreply.github.com>
Date: Sat, 23 Oct 2021 18:35:50 +0800
Subject: [PATCH] Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 8788665..3bd3228 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,6 @@
 
 #### list
 参考：https://zhuanlan.zhihu.com/p/424603940
+
+#### ring
+参考：https://zhuanlan.zhihu.com/p/424860909