keyword不能为空keyword不能为空<style>
    .exception{margin:150px auto 0 auto;padding:2rem 2rem 1rem 2rem;width:1200px;background-color:#fff;border-top:5px solid #669933;word-break:break-word;box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15)}
    .exception h1{padding:0;margin:0 0 4px 0;font-size:1.5rem;font-weight:normal;color:#666}
    .e-text{margin-bottom:1.5rem;font-size:1rem;line-height:1.5;font-weight:500;color:#332F51}
    .e-list{padding:1.5rem 0 0 0;border-top:1px solid #ddd;line-height:2}
    .e-list dt{float:left;margin-right:1rem;color:#666}
</style>

<div class="exception">
    <h1>DEBUG提示</h1>
    <dl class="e-list">
        <dd>类型:2</dd>
        <dd>错误:Undefined array key "total"</dd>
        <dd>文件:/www/wwwroot/coolcncn.com/app/shop/controller/CategoriesController.php</dd>
        <dd>行号:127</dd>

    </dl>
	<div><a href="https://www.startmvc.com" title="StartMVC框架" target="_blank" rel="noopenner noreferrer">StartMVC框架</a></div>
</div>