From ef0d98c6068761e52c526197bdc56ca8c46222e3 Mon Sep 17 00:00:00 2001
From: fan-ziqi <fanziqi614@gmail.com>
Date: Thu, 14 Mar 2024 12:25:00 +0800
Subject: [PATCH] docs: add auto checkout

---
 README_CN.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README_CN.md b/README_CN.md
index 37a3b2b..9295ff9 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -12,6 +12,12 @@
 git clone --recursive https://github.com/fan-ziqi/rl_sar.git
 ```
 
+UnitreeA1只能使用v3.2.1的unitree_ros_to_real以及v3.2的unitree_legged_sdk，使用以下命令切换分支
+
+```bash
+cd src/unitree_ros/unitree_ros_to_real && git checkout v3.2.1 && cd - && cd src/unitree_ros/unitree_ros_to_real/unitree_legged_sdk && git checkout v3.2 && cd -
+```
+
 如有更新：
 
 ```bash