diff --git a/index.html b/index.html
index 6f1894e..60591de 100644
--- a/index.html
+++ b/index.html
@@ -125,7 +125,7 @@ li{margin-left:1em}
 <h2 class="white">联系方式</h2>
 <div class="mod clearfix">
     <video class="video float-right" preload="metadata" playsinline controls autoplay>
-        <source src="https://static.jialuoma.com/mp4/gongfu_pianduan.mp4" type="video/mp4">
+        <source src="https://static.jialuoma.com/mp4/gongfu_480.mp4" type="video/mp4">
     </video>
     <ul>
         <li>手机号码：<strong id="phone">...</strong></li>