diff --git a/docs/guide/installation.md b/docs/guide/installation.md
index 06a88598..4f6e68e1 100644
--- a/docs/guide/installation.md
+++ b/docs/guide/installation.md
@@ -6,7 +6,10 @@
 请确保你的 Python 版本 >= 3.7。
 :::
 
+请在安装 nonebot2 之前卸载 nonebot 1.x
+
 ```bash
+pip uninstall nonebot
 pip install nonebot2
 ```