diff --git a/public/client.js b/public/client.js
index 9214428..0f744c5 100644
--- a/public/client.js
+++ b/public/client.js
@@ -1,5 +1,6 @@
 const player = io()
 let myNumber = 0
+let autoPlayer = 0
 
 player.on('alert', (message) => {
     alert(message)
@@ -34,3 +35,14 @@ function makeCards(n) {
     if (n == 0) return ''
     return '['.repeat(n) + ']'
 }
+
+buttonAuto.addEventListener('click', () => {
+    if (autoPlayer != 0) {
+        clearInterval(autoPlayer)
+        autoPlayer = 0
+        buttonAuto.style.color = 'black'
+    } else {
+        autoPlayer = setInterval(() => player.emit('go'), 1000)
+        buttonAuto.style.color = 'red'
+    }
+})
diff --git a/public/index.html b/public/index.html
index 28f4f35..1c61945 100644
--- a/public/index.html
+++ b/public/index.html
@@ -20,6 +20,7 @@
     <p>
         <button id="buttonJoin" style="color:red;" onclick="player.emit('join')">加入</button>
         <button id="buttonGo" onclick="player.emit('go')">出牌</button>
+        <button id="buttonAuto">自动</button>
     </p>
     <p id="cardsDisplay"></p>
     <script src="/socket.io/socket.io.js"></script>