MRSS Feed with duplicated GUID

duplicated_guid.xml

<rss xmlns:dcterms="https://purl.org/dc/terms/" 
  xmlns:media="http://search.yahoo.com/mrss/" version="2.0">
  <channel>
    <item>
      <title>SAME-TITLE</title>
      <guid>SAME-GUID</guid>
      <link>1-159036</link>
      <pubDate>Sun, 11 Aug 2019</pubDate>
      <endDate/>
      <media:content url="https://sample-videos.com/video123/mp4/720/big_buck_bunny_720p_1mb.mp4">
        <media:title>SAME-TITLE-NESTED</media:title>
        <media:description>DESCRIPTION 1</media:description>
        <media:keywords>test,test2</media:keywords>
        <media:thumbnail url="http://207.238.82.127:8263/vod/201908/1565234364550228520773.jpg" width="486" height="648"/>
        <media:category>mrss</media:category>
        <media:episode>20190810</media:episode>
        <media:series_id>跨界喜剧王第四季</media:series_id>
        <media:country/>
        <media:source_id>1-159036</media:source_id>
      </media:content>
      <media:title>Bunny</media:title>
      <media:ad_timings>00:00:00,00:14:49,00:23:02,00:33:47,00:39:17</media:ad_timings>
    </item>
    <item>
      <title>SAME-TITLE</title>
      <guid>SAME-GUID</guid>
      <link>1-159036</link>
      <pubDate>Sun, 11 Aug 2019</pubDate>
      <endDate/>
      <media:content url="https://sample-videos.com/video123/mp4/720/big_buck_bunny_720p_1mb.mp4">
        <media:title>SAME-TITLE-NESTED</media:title>
        <media:description>DESCRIPTION 2</media:description>
        <media:keywords>test,test2</media:keywords>
        <media:thumbnail url="http://207.238.82.127:8263/vod/201809/1536824790406612102135.jpg" width="486" height="648"/>
        <media:category>资讯</media:category>
        <media:episode>2</media:episode>
        <media:series_id>世界</media:series_id>
        <media:country/>
        <media:source_id>1-159036</media:source_id>
      </media:content>
      <media:ad_timings>00:00:00,00:14:49,00:23:02,00:33:47,00:39:17</media:ad_timings>
    </item>
    <item>
      <title>SAME-TITLE</title>
      <guid>SAME-GUID</guid>
      <link>1-159036</link>
      <pubDate>Sun, 11 Aug 2019</pubDate>
      <endDate/>
      <media:content url="https://sample-videos.com/video123/mp4/720/big_buck_bunny_720p_1mb.mp4">
        <media:title>SAME-TITLE-NESTED</media:title>
        <media:description>DESCRIPTION 3</media:description>
        <media:keywords>test,test2</media:keywords>
        <media:thumbnail url="http://207.238.82.127:8263/vod/201908/1565234364550228520773.jpg" width="486" height="648"/>
        <media:category>资讯，综艺</media:category>
        <media:episode>2</media:episode>
        <media:series_id>今日推荐</media:series_id>
        <media:country/>
        <media:source_id>1-159036</media:source_id>
      </media:content>
      <media:ad_timings>00:00:00,00:14:49,00:23:02,00:33:47,00:39:17</media:ad_timings>
    </item>
  </channel>
</rss>