尝试向函数添加筛选函数。主题的php；

示例：

add_filter(\'the_content\', \'alc_image_spanner\');

  function alc_image_spanner($text) {
    $text = preg_replace_callback("#<img(.*?)>#is", create_function(\'$matches\', \'return "<span><img".$matches[1]."></span>";\'), $text);
    return $text;
  }