在master文件夹下面找到head.ascx，用记事本打开，内容如下：
<% @ Control language="c#" Inherits="PageAdmin.masterhead"%><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="/1999/xhtml">
<head>
<title>pageadmin网站管理系统</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="keywords" content="pageadmin网站管理系统" />
<meta name="description" content="pageadmin网站管理系统" />
<meta name="Author" content="" />
<link rel="stylesheet" href="admin.css" type="text/css">
<script src="all.js" type="text/javascript"></script>
</head>
OK，修改title以及content标记的内容即可！
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