diff --git a/html/courseHomeBarrierFree.html b/html/courseHomeBarrierFree.html
index 6b693a5..1f8445a 100644
--- a/html/courseHomeBarrierFree.html
+++ b/html/courseHomeBarrierFree.html
@@ -8,6 +8,7 @@
     <link rel="stylesheet" href="../css/courseHome.css" />
 </head>
 
+
 <body>
     <div class="container barrierFree">
         <!-- start -->
@@ -71,22 +72,14 @@
             </div> -->
             <!-- 操作栏 具体按钮 -->
             <div class="course-operation">
-                <div 
-                    title="语音识别" 
-                    onclick="showSpeech()" 
-                    aria-label="点击开启语音识别功能"
+                <div title="语音识别" onclick="showSpeech()" aria-label="点击开启语音识别功能"
                     onmouseenter="debouncedSpeechDomTextBarrier(event)"
-                    onmouseout="debouncedSpeechDomTextBarrier(event)"
-                >
+                    onmouseout="debouncedSpeechDomTextBarrier(event)">
                     🎧
                 </div>
-                <div 
-                    title="体感交互" 
-                    onclick="showBody()"
-                    aria-label="点击开启体感交互功能"
+                <div title="体感交互" onclick="showBody()" aria-label="点击开启体感交互功能"
                     onmouseenter="debouncedSpeechDomTextBarrier(event)"
-                    onmouseout="debouncedSpeechDomTextBarrier(event)"
-                >
+                    onmouseout="debouncedSpeechDomTextBarrier(event)">
                     🦾
                 </div>
             </div>
