diff --git a/public/xf_voice/index.html b/public/xf_voice/index.html
index 874a18b9b..f9a510466 100644
--- a/public/xf_voice/index.html
+++ b/public/xf_voice/index.html
@@ -10,7 +10,7 @@
     <script async src="https://hm.baidu.com/hm.js?85fad12bb9a6dab448f4eff0a19299a5"></script>
 </head>
 
-<body>
+<body style="background-color: transparent;">
     <h1 class="h1">迅飞语音听写（流式版）WebAPI</h1>
     <hr>
     <section class="voice-box">
