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我正在我的网站（示例页面）上调试 Open Graph 标记。

我正在努力修复从 Facebook Debug Tool 得到的错误。错误是：

解析器不匹配元数据：
此元数据的解析器结果与输入元数据不匹配。这可能是由于数据以一种意外的方式排序、为一个属性提供了多个值而只期望一个值、或者给定属性的属性值不匹配造成的。以下是解析结果中未看到的输入属性 => 内容对：'article:published_time => 2012-07-07'

我相信我正在根据文档正确格式化文章：published_time 标签，月份和日期前导零，四位数年份，并按年-月-日排序。它也以与示例相同的顺序出现。

以下是原始的 Open Graph 标签：

Meta Tag:   <meta property="fb:app_id" content="407390309287595" />
Meta Tag:   <meta property="og:type" content="article" />
Meta Tag:   <meta property="og:url" content="http://www.zujava.com/how-to-make-a-book-cover" />
Meta Tag:   <meta property="og:site_name" content="Zujava.com" />
Meta Tag:   <meta property="og:image" content="http://assets1.zujava.com/sites/default/files/3781/how-to-make-a-book-cover/book-cover.jpg" />
Meta Tag:   <meta property="og:title" content="How to Make a Book Cover" />
Meta Tag:   
<meta property="og:description" content="Preparing to go back to school can be expensive. Buying book covers should not be one of your expenses because it is so easy to make your own book covers for no cost at all. It takes less than 5 minutes to make a book cover and it doesn&amp;#039;t require any tools or extra supplies. You can make your own book covers out of paper bags, construction paper, bubble wrap, wrapping paper and other recyclable materials that you probably already have in your home. Once you cover your book you can decorate it by doodling on the front or adding stickers." />
Meta Tag:   <meta property="article:published_time" content="2012-07-07" />
Meta Tag:   <meta property="article:author" content="http://www.zujava.com/users/varietywriter" />
Meta Tag:   <meta property="article:tag" content="crafts" />
Meta Tag:   <meta property="article:tag" content="education" />
Meta Tag:   <meta property="article:tag" content="school" />
Meta Tag:   <meta property="article:tag" content="back to school" />
Meta Tag:   <meta property="article:tag" content="easy crafts" />
Meta Tag:   <meta property="article:tag" content="art" />
Meta Tag:   <meta property="article:tag" content="arts and craft projects" />
Meta Tag:   <meta property="article:tag" content="books" />
Meta Tag:   <meta property="article:tag" content="book covers" />
Meta Tag:   <meta property="article:tag" content="how to" />
Meta Tag:   <meta property="article:tag" content="make your own" />
Meta Tag:   <meta property="article:tag" content="arts and crafts" />

某些内容是否格式不正确或丢失？

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不用担心，这只是一个警告（不是错误，错误在 Debug 工具输出中显示为红色），它不会阻止 OpenGraph 中的数据更新。

只是为了确保您可以将更新的数据与您发布的数据进行比较，目前似乎没问题。

article:published_time:1341644400 -> 2012-07-07T10:00:00+03:00

如果您不想抑制警告消息，只需将DateTimeOpenGraph 元标记中的字段内容替换为 UNIX 时间戳，警告就会消失。我在我对OpenGraph 的回答中对此进行了描述：自定义属性未在帖子中显示，提供指向该问题的现有错误的链接（请参阅答案底部的顺便说一句）。

于 2012-07-08T15:46:06.123 回答