diff --git a/index.html b/index.html
index c67d025..8d1891a 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
 <head>
   <meta name="renderer" content="webkit">
     <meta name="description" content="使用 Vue、Vuex、Immutable制作的俄罗斯方块" />
+    <meta name='viewport' content='width=device-width, initial-scale=1, user-scalable=no'>
     <meta name="keywords" content="俄罗斯方块,Tetris,Vue,Vuex,Immuatble,JavaScript">
     <meta name="format-detection" content="telephone=no"/>
     <script>;(function(){var w=parseInt(window.screen.width),s=w/640,u=navigator.userAgent.toLowerCase(),m='<meta name="viewport" content="width=640,';if(/android (\d+\.\d+)/.test(u)){if(parseFloat(RegExp.$1)>2.3)m+='minimum-scale='+s+',maximum-scale='+s+',';}else{m+='user-scalable=no,';}m+='target-densitydpi=device-dpi">';document.write(m);}());</script>
diff --git a/src/components/keyboard/index.js b/src/components/keyboard/index.js
index 0807a2f..55ae6cc 100644
--- a/src/components/keyboard/index.js
+++ b/src/components/keyboard/index.js
@@ -44,7 +44,17 @@ export default {
       },
       true
     )
+    document.addEventListener('touchend', (e) => {
+      if (e.preventDefault) {
+        e.preventDefault();
+      }
+    }, true);
 
+    // 阻止双指放大
+    document.addEventListener('gesturestart', (event) => {
+      event.preventDefault();
+    });
+    
     document.addEventListener(
       'mousedown',
       e => {
