diff --git a/sensehat/index.html b/sensehat/index.html
index b8401c0..a43371d 100644
--- a/sensehat/index.html
+++ b/sensehat/index.html
@@ -11,18 +11,18 @@
         #matrix {
             display: flex;
             flex-direction: column;
-            gap: 5px;
+            gap: 2px;
         }
 
         .row {
             display: flex;
-            width: 195px;
-            gap: 5px;
+            width: 254px;
+            gap: 2px;
         }
 
         .led {
-            width: 20px;
-            height: 20px;
+            width: 30px;
+            height: 30px;
             border: 1px solid gray;
             background-color: whitesmoke;
             cursor: pointer;
@@ -126,19 +126,23 @@
         </div>
     </div>
     <div>
-        <button onclick="client.emit('action', {action:'clear'})">clear</button>
-        <button onclick="client.emit('action', {action:'flash'})">flash</button>
-        <button onclick="client.emit('action', {action:'flipV'})">flipV</button>
-        <button onclick="client.emit('action', {action:'flipH'})">flipH</button>
-        <button onclick="client.emit('action', {action:'turnLeft'})">turnLeft</button>
-        <button onclick="client.emit('action', {action:'turnRight'})">turnRight</button>
-        <button onclick="client.emit('action', {action:'loadImage', image:'heart'})">空心</button>
-        <button onclick="client.emit('action', {action:'loadImage', image:'heart_full'})">红心</button>
-        <button onclick="client.emit('action', {action:'showLetter', character:'A', color:[50,50,255]})">A</button>
+        <p>
+            <button onclick="client.emit('action', {action:'clear'})">清除</button>
+            <button onclick="client.emit('action', {action:'flash'})">闪光</button>
+        </p>
+        <p>
+            <button onclick="client.emit('action', {action:'flipH'})">左右反转</button>
+            <button onclick="client.emit('action', {action:'flipV'})">上下反转</button>
+        </p>
+        <!-- <button onclick="client.emit('action', {action:'turnLeft'})">turnLeft</button>
+        <button onclick="client.emit('action', {action:'turnRight'})">turnRight</button> -->
+        <!-- <button onclick="client.emit('action', {action:'loadImage', image:'heart'})">空心</button>
+        <button onclick="client.emit('action', {action:'loadImage', image:'heart_full'})">红心</button> -->
+        <!-- <button onclick="client.emit('action', {action:'showLetter', character:'A', color:[50,50,255]})">A</button>
         <button
             onclick="client.emit('action', {action:'showMessage', text:'Hello', color:[50,50,255], speed: 1})">Hello</button>
         <button
-            onclick="client.emit('action', {action:'flashMessage', text:'Hello', color:[50,50,255], speed: 1})">Hello</button>
+            onclick="client.emit('action', {action:'flashMessage', text:'Hello', color:[50,50,255], speed: 1})">Hello</button> -->
         <div style="display:flex;">
             <div>
                 <p>红 <input type="range" name="red" id="red" min="0" , max="255" step="1" value="50"></p>