diff --git a/docs/assets/example/index.js b/docs/assets/example/index.js
index c5171b98c..b9f3068df 100644
--- a/docs/assets/example/index.js
+++ b/docs/assets/example/index.js
@@ -25,6 +25,7 @@ var art = new Artplayer({
     networkMonitor: false,
     autoPip: true,
     mutex: true,
+    backdrop: true,
     theme: '#ffad00',
     lang: navigator.language.toLowerCase(),
     moreVideoAttr: {