修改您的wpb_total_posts 功能如下:
function wpb_total_posts() { 
    $total = wp_count_posts()->publish;
    if($total == 1){
        echo \'We found\', "<strong>" . $total . "</strong>", \'job\';
    }elseif($total > 1){
        echo \'We found\', "<strong>" . $total . "</strong>", \'jobs\';
    }else{
        echo \'No posts found \';
    }
} 
 在这里,我首先检查帖子总量是否为1或更多,并相应地处理单数/复数。最后,如果没有post then渲染;“未找到帖子”;