diff --git a/documentation/source/quick-start/build-open-harmony.rst b/documentation/source/quick-start/build-open-harmony.rst
index 5c7fa864ea1e60ac506cc9ec668e07b636c78fd9..954a9a3c4ea0d92749edf1fd29b5441cdaf082ee 100644
--- a/documentation/source/quick-start/build-open-harmony.rst
+++ b/documentation/source/quick-start/build-open-harmony.rst
@@ -19,6 +19,7 @@ Currently OpenHarmony Supports building image using the following boards:
 
 .. figure:: images/architecture.png
      :align: center
+	 :scale: 50 %
      :alt: meta-ohos overview
 
 Prerequisites