diff --git a/MACA.md b/MACA.md
index 16f7867..14ed420 100644
--- a/MACA.md
+++ b/MACA.md
@@ -36,7 +36,7 @@
       yum remove maca_sdk
       ```
 
-- **适配所有 Ubuntu 系统**
+## 适配所有 Ubuntu 系统**
 
    ```bash
    curl -fsSL https://repos.metax-tech.com/public.gpg.key | apt-key add -