frameset frame 页面空白

<html style="background:#213039;">
<head>
    <title>网站后台管理中心</title>
    <META http-equiv=Content-Type content="text/html; charset=utf-8">
    <META http-equiv=Pragma content=no-cache>
    <META http-equiv=Cache-Control content=no-cache>
    <META http-equiv=Expires content=-1000>
</head>

<frameset border=0 frameSpacing=0 rows="50, *" frameborder="0">
    <iframe name=header src="{:url('Publics/top')}" frameBorder=0 noResize scrolling=no style="100%;height:50px;"></iframe>
    <frameset cols="220, *">
        <iframe name=menu src="{:url('Publics/left')}" frameBorder=0 noResize scrolling=no style="height:100%;13%"></iframe>
        <iframe name=main src="{$main}" frameBorder=0 noResize scrolling=yes style="height:100%;86.5%;"></iframe>
    </frameset>
</frameset>
<noframes>
</noframes>
</html>
用上面的代码，可以解决在页面中空白的问题