if(isset($_GPC['merchid']) && $_GPC['merchid'] !== ''){
	$condition .= ' AND g.merchid = :merchid';
	$params[':merchid'] = $_GPC['merchid'];
}

{if p('merch')}
<span class="input-group-select">
	<select name="merchid" class='form-control select2' style="width:200px;" data-placeholder="商户筛选">
		<option value="" {if $_GPC['merchid'] === ''}selected{/if} >商户筛选</option>
		<option value="0" {if $_GPC['merchid'] === '0'}selected{/if} >总平台</option>
		{loop p('merch')->getMerch() $merch}
		<option value="{$merch['id']}" {if $_GPC['merchid']==$merch['id']}selected{/if} >{$merch['merchname']}</option>
		{/loop}
	</select>
</span>
{/if}