diff --git a/public/index.html b/public/index.html
index 75c9505..7348867 100644
--- a/public/index.html
+++ b/public/index.html
@@ -23,8 +23,8 @@
             <div class="name">玩家乙</div>
         </div>
     </div>
-    <audio src="rock-paper-scissors.wav"></audio>
     <p><kbd>S</kbd>出剪刀 <kbd>D</kbd>出石头 <kbd>F</kbd>出布 点击自己的名字可以改名</p>
+    <audio type="audio/wav" autostart="false" src="rock-paper-scissors.wav"></audio>
     <script src="socket.io/socket.io.js"></script>
     <script src="client.js"></script>
 </body>