百度贴吧显示非覆盖ID原始用户名js

tieba.baidu.com/p/5209810111

$("a.p_author_name").each(function() {
  var real_name = JSON.parse($(this).attr("data-field"))["un"];
  if ($(this).text() != real_name) {
    $(this).append("
ID:" + real_name);
  }
});