diff --git a/MACA.md b/MACA.md
index 63fa2a2..4ddc645 100644
--- a/MACA.md
+++ b/MACA.md
@@ -43,6 +43,7 @@
    echo "deb [arch=$(dpkg --print-architecture)] https://repos.metax-tech.com/r/maca-sdk-deb/ stable main" | tee /etc/apt/sources.list.d/maca-sdk-deb.list
    apt-get update
 
+
    ```
 
 #### APT安装MACA SDK