From 107bba45f3603c092d2dcb2b28886064f35d3661 Mon Sep 17 00:00:00 2001
From: Roger <76396222+yanguwan@users.noreply.github.com>
Date: Fri, 17 Feb 2023 14:19:15 +0800
Subject: [PATCH] Update README.md

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

diff --git a/README.md b/README.md
index 3f76d339..988d25c7 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ mysql -u root -h 127.0.0.1 -P 4000
 ```
 ## Autograding and certification
 
-Since Jun 2022, we start using [github classroom](https://github.com/talent-plan/tinysql/classroom.md](https://github.com/talent-plan/tinysql/blob/course/classroom.md) to accept labs and provide autograding timely. The github classroom invitation is https://classroom.github.com/a/cdlNNrFU. The discussion Wechat/Slack group and the certification after you pass the class is provided in the [tinyKV learning class](https://talentplan.edu.pingcap.com/catalog/info/id:263)
+Since Jun 2022, we start using [github classroom](../tinysql/classroom.md) to accept labs and provide autograding timely. The github classroom invitation is https://classroom.github.com/a/cdlNNrFU. The discussion Wechat/Slack group and the certification after you pass the class is provided in the [tinyKV learning class](https://talentplan.edu.pingcap.com/catalog/info/id:263)
 
 ## Contributing