diff --git a/Bootstrap.Admin/Content/css/site-responsive.css b/Bootstrap.Admin/Content/css/site-responsive.css
index f8b9e8a0..3925f6a2 100644
--- a/Bootstrap.Admin/Content/css/site-responsive.css
+++ b/Bootstrap.Admin/Content/css/site-responsive.css
@@ -133,4 +133,20 @@
         top: 94px;
         overflow: auto;
     }
+
+    .content-body {
+        position: fixed;
+        left: 0;
+        bottom: 40px;
+        right: 0;
+        top: 94px;
+        overflow: hidden;
+    }
+
+        .content-body iframe {
+            width: 100%;
+            border: none;
+            height: 100%;
+            overflow: auto;
+        }
 }
diff --git a/Bootstrap.Admin/Content/css/site.css b/Bootstrap.Admin/Content/css/site.css
index 98f2bd96..76d1cfe8 100644
--- a/Bootstrap.Admin/Content/css/site.css
+++ b/Bootstrap.Admin/Content/css/site.css
@@ -628,8 +628,7 @@ ul.breadcrumb {
         padding-right: 6px;
     }
 
-iframe {
+.content-body iframe {
     width: 100%;
     border: none;
-    height: 500px;
 }
diff --git a/Bootstrap.Admin/Content/html/dummy.html b/Bootstrap.Admin/Content/html/dummy.html
index 66ecf3d2..6f211f1c 100644
--- a/Bootstrap.Admin/Content/html/dummy.html
+++ b/Bootstrap.Admin/Content/html/dummy.html
@@ -9,7 +9,7 @@
     <title></title>
 </head>
 <body>
-    <div style="height: 1000px; background-color: aqua">我就是一个测试页面</div>
+    <div style="height: 1000px; background-color: #77af77">我就是一个测试页面</div>
     <div>Bottom</div>
 </body>
 </html>
diff --git a/Bootstrap.Admin/Scripts/Content.js b/Bootstrap.Admin/Scripts/Content.js
index 5f282702..72994b42 100644
--- a/Bootstrap.Admin/Scripts/Content.js
+++ b/Bootstrap.Admin/Scripts/Content.js
@@ -1 +1,4 @@
-﻿
\ No newline at end of file
+﻿$(function () {
+    var fra = $('iframe').get(0);
+    fra.height = fra.contentDocument.body.offsetHeight;
+});
\ No newline at end of file
diff --git a/Bootstrap.Admin/Views/Shared/Content.cshtml b/Bootstrap.Admin/Views/Shared/Content.cshtml
index 5af3f5bf..c4551d53 100644
--- a/Bootstrap.Admin/Views/Shared/Content.cshtml
+++ b/Bootstrap.Admin/Views/Shared/Content.cshtml
@@ -1,3 +1,4 @@
 ﻿@model ContentModel
-<h4>欢迎使用本系统</h4>
-<iframe id="fraContent" src="@Model.Url"></iframe>
\ No newline at end of file
+<div class="content-body">
+    <iframe src="@Model.Url"></iframe>
+</div>
