将此添加到函数中。php主题（或子主题）文件。

add_filter( \'widget_posts_args\', \'wpse_109484_recent_post_count\' );

function wpse_109484_recent_post_count( $args ) {
    global $wp_query;

    $excluded_posts = array();
    foreach ( (array) $wp_query->posts as $post ) {
        $excluded_posts[] = $post->ID;
    }

    $args[\'post__not_in\'] = $excluded_posts;

    return $args;
}