diff --git a/index.html b/index.html
index cf31c02..b8426fe 100755
--- a/index.html
+++ b/index.html
@@ -31,11 +31,6 @@ <h3>Hold</h3>
       <canvas id=hold></canvas> <br />
       <div id=divInp></div>
     </div>
-    <ul id=replay style=display:none>
-      <li><a onclick=replay(-1)>prev 前</a></li>
-      <li><a onclick=replay()>Play/Pause 暂停</a></li>
-      <li><a onclick=replay(1)>next 后</a></li>
-    </ul>
 
     <table id=stats>
       <tr><th id=score>0</th><th>Score 分</th></tr>
@@ -55,7 +50,7 @@ <h3>Hold</h3>
     </div>
 
     <nav class='menu on'>
-      <h1>Tetr.js - Dig v0.51</h1>
+      <h1>Tetr.js - Dig v0.52</h1>
       <p>forked from: <span onclick="window.location='http://simon.lc/tetr.js/'"><u>&gt;&gt;simonlc</u></span><br/>
       farter's Dig Mod</p>
       <ul>
@@ -90,6 +85,8 @@ <h2>Controls 调整按键</h2>
       <table id=controls>
         <tr> <th>Move ← 左移</th><td id=moveLeft>←</td> </tr>
         <tr> <th>Move → 右移</th><td id=moveRight>→</td> </tr>
+        <tr> <th>Triple ← 左三</th><td id=moveLeft3>undefined</td> </tr>
+        <tr> <th>Triple → 右三</th><td id=moveRight3>undefined</td> </tr>
         <tr> <th>Move ↓ 软降</th><td id=moveDown>↓</td> </tr>
         <tr> <th>Drop ⇊ 硬降</th><td id=hardDrop>Space</td> </tr>
         <tr> <th>Hold ⇄ 暂存</th><td id=holdPiece>C</td> </tr>