diff --git a/README.md b/README.md
index d98f53b..71d555f 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ HTML结构
 
 ```html
 <div id="scratch">
-    <div id="card">￥1000.00万</div>
+    <div id="card">￥5000000元</div>
 </div>
 ```
 
diff --git a/demo.html b/demo.html
index 97ca28c..77ed898 100644
--- a/demo.html
+++ b/demo.html
@@ -3,7 +3,7 @@
 
 <head>
     <meta charset="UTF-8">
-    <title>lucky-card.js demo</title>
+    <title>lucky-card.js DEMO</title>
     <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, width=device-width">
     <style>
     html,
@@ -19,7 +19,7 @@
     #card {
         height: 100%;
         font-weight: bold;
-        font-size: 36px;
+        font-size: 40px;
         line-height: 100px;
         text-align: center;
         background: #FAFAFA;
@@ -38,11 +38,11 @@
 
 <body>
     <div id="scratch">
-        <div id="card">￥1000.00万</div>
+        <div id="card">￥5000000元</div>
     </div>
     <script>
     LuckyCard.case({
-        ratio: .6
+        ratio: .7
     }, function() {
         alert('至于你信不信，我反正不信！');
         this.clearCover();
