PbootCMS搜索未搜索到任何数据,Pb多条件搜索

{pboot:search num=12 order=sorting scode=* field='title|content'}
{/pboot:search}

<form action="{pboot:scaction}" method="get">
    关键字：<input type="text" name="keyword" >
    <button type="submit">搜索</button>
</form>

<form action="{pboot:scaction}"  method="get">
    内容：<input type="text" name="content" >
    标题：<input type="text" name="title" >
    作者：<input type="text" name="author" >
    <input type="hidden" name="scode" value="2,3" >
    <button type="submit">搜索</button>
</form>

{pboot:search}
<a href="search:link">search:title</a>
{/pboot:search}