<form action="{dede:field name='phpurl'/}/search.php" name="formsearch">
    <div class="form">
        <input type="hidden" name="kwtype" value="0" />
        <input type="hidden" name="searchtype" value="titlekeyword" />
        <input name="keyword" type="text" class="search-keyword" id="search-keyword" />
        <select name="typeid" class="search-option" id="typeid">
            <option value='0' selected='1'>全部栏目</option>
            {dede:channelartlist typeid='top'}
                {dede:type} 
                    <option value='[field:id/]'>[field:typename/]</option>
                {/dede:type}
                {dede:channel type='son' noself='yes'}
                    <option value='[field:id/]'>-[field:typename/]</option>
                {/dede:channel}
            {/dede:channelartlist}
        </select>
        <button type="submit" class="search-submit">搜索</button>
    </div>
</form>