问为什么我的16个帖子中只有10个被显示出来？

EN

<?php $args = array(
'post_type' => 'resource',
'order'     => 'ASC');
$loop = new WP_Query( $args );       
while ( $loop->have_posts() ) : $loop->the_post();
    $resource_type = get_field('resource_type');
    $audience = get_field('audience');
    $forStat = "For Statisticians";
    $notForStat = "For Non-Statisticians";
    $clinical = "Clinical Trials";
    $hasLink = FALSE;
    if (get_field(resource_link)){
        $hasLink = TRUE;
        $resource_link = get_field('resource_link');
    } else {
        $resource = get_field('resource');
    }
    ?>

    <?php if ($audience == $forStat) { ?>

        <?php if ($hasLink) { ?>
            <a href="<?php echo $resource_link; ?>"><button type="button" class="list-group-item"><?php the_title(); ?></button></a>
        <?php } else { 
            $resourceUrl = $resource['url']; ?>
            <a href="<?php echo $resourceUrl; ?>"><button type="button" class="list-group-item"><?php the_title(); ?></button></a>
        <?php } ?>

    <?php } ?>

<?php endwhile;?>