diff --git a/docs/api/media/background-audio-manager.md b/docs/api/media/background-audio-manager.md
index 994bedecc9f84d56ec2b7ff2298ce4e610e4a395..f48502701dbc668ca8f96eb1eb29e413c4169b66 100644
--- a/docs/api/media/background-audio-manager.md
+++ b/docs/api/media/background-audio-manager.md
@@ -62,7 +62,7 @@ const bgAudioMannager = uni.getBackgroundAudioManager();
 bgAudioMannager.title = '致爱丽丝';
 bgAudioMannager.singer = '暂无';
 bgAudioMannager.coverImgUrl = 'https://bjetxgzv.cdn.bspapp.com/VKCEYUGU-uni-app-doc/7fbf26a0-4f4a-11eb-b680-7980c8a877b8.png';
-bgAudioMannager.src = '1. https://bjetxgzv.cdn.bspapp.com/VKCEYUGU-hello-uniapp/2cc220e0-c27a-11ea-9dfb-6da8e309e0d8.mp3';
+bgAudioMannager.src = 'https://bjetxgzv.cdn.bspapp.com/VKCEYUGU-hello-uniapp/2cc220e0-c27a-11ea-9dfb-6da8e309e0d8.mp3';
 ```