我有以下模板页面。我正在尝试输出类别4中的所有文章。然而，我只收到了一些帖子，大约20%。不确定是什么导致了这种情况。还有没有办法在query\\u帖子中使用类别名称而不是类别编号？

<?php
/*
Template Name: Blog
*/
?>

<?php get_header(); ?>

            <div id="content">

                <div id="inner-content" class="wrap clearfix">

                    <div id="main" class="eightcol first clearfix" role="main">

                   <?php query_posts(\'cat=4\'); ?>


                        <?php if (have_posts()) : while (have_posts()) : the_post(); ?>

                        <article id="post-<?php the_ID(); ?>" <?php post_class(\'clearfix\'); ?> role="article">

                            <header class="article-header">

                                <h1 class="page-title"><?php the_title(); ?></h1>
                  <p class="byline vcard"><?php
                    printf(__(\'Posted <time class="updated" datetime="%1$s" pubdate>%2$s</time> by <span class="author">%3$s</span>.\', \'bonestheme\'), get_the_time(\'Y-m-j\'), get_the_time(__(\'F jS, Y\', \'bonestheme\')), bones_get_the_author_posts_link());
                  ?></p>


                            </header> <!-- end article header -->

                            <section class="entry-content">
                                <?php the_content(); ?>
                            </section> <!-- end article section -->

                            <footer class="article-footer">
                                <p class="clearfix"><?php the_tags(\'<span class="tags">\' . __(\'Tags:\', \'bonestheme\') . \'</span> \', \', \', \'\'); ?></p>

                            </footer> <!-- end article footer -->

                            <?php comments_template(); ?>

                        </article> <!-- end article -->

                        <?php endwhile; ?>  

                        <?php else : ?>

                            <article id="post-not-found" class="hentry clearfix">
                                <header class="article-header">
                                    <h1><?php _e("Oops, Post Not Found!", "bonestheme"); ?></h1>
                                </header>
                                <section class="entry-content">
                                    <p><?php _e("Uh Oh. Something is missing. Try double checking things.", "bonestheme"); ?></p>
                                </section>
                                <footer class="article-footer">
                                    <p><?php _e("This is the error message in the page-custom.php template.", "bonestheme"); ?></p>
                                </footer>
                            </article>

                        <?php endif; ?>

                    </div> <!-- end #main -->

                    <?php get_sidebar(); ?>

                </div> <!-- end #inner-content -->

            </div> <!-- end #content -->

<?php get_footer(); ?>