From dc935acb55dfd3a46667f6a95e015453fe6640f7 Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Wed, 25 Oct 2023 22:00:06 +0800
Subject: [PATCH] Update README.md

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2df01b078..89a69f037 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@ rCore-Tutorial API Docs.  See the [API Docs of Ten OSes ](#OS-API-DOCS)
 
 If you don't know  Rust Language and try to learn it, please visit [Rust Learning Resources](https://github.com/rcore-os/rCore/wiki/study-resource-of-system-programming-in-RUST)
 
-Official QQ group number: 735045051
+Official QQ group number: 
+* Group 1: 735045051(FULL)
+* Group 2: 635245268
 
 ## news
 - 23/06/2022: Version 3.6.0 is on the way! Now we directly update the code on chX branches, please periodically check if there are any updates.