问Sitemap解析错误

EN

<?xml version="1.0" encoding="UTF-8"?>
<urlset 
   xmlns="https://www.sitemaps.org/schemas/sitemap/0.9"
   xmlns:xhtml="https://www.w3.org/1999/xhtml/"
   xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance">

   <url>
      <loc>https://www.bizibuz.com/</loc>
      <xhtml:link
         rel="alternate"
         hreflang="en"
         href="https://www.bizibuz.com/" />
      <xhtml:link
         rel="alternate"
         hreflang="zh-Hant"
         href="https://www.bizibuz.com/zh/" />
   </url>

...

   <url>
      <loc>https://www.bizibuz.com/preprimary-knowyourchild</loc>
      <xhtml:link
         rel="alternate"
         hreflang="en"
         href="https://www.bizibuz.com/preprimary-knowyourchild" />
      <xhtml:link
         rel="alternate"
         hreflang="zh-Hant"
         href="https://www.bizibuz.com/zh/preprimary-knowyourchild" />
      <video:video>
         <video:title>Pre-primary KnowYourChild™ Tools</video:title>
         <video:content_loc>https://bizibuz-web-dev.s3.ap-southeast-1.amazonaws.com/static/videos/Bizibuz KYC - pre primary 4_3.mp4</video:content_loc>
      </video:video>
      <video:video>
         <video:title>KnowYourChild™學前評估工具</video:title>
         <video:content_loc>https://bizibuz-web-dev.s3.ap-southeast-1.amazonaws.com/static/videos/Bizibuz KYC - pre primary 4_3 - cn.mp4</video:content_loc>
      </video:video>
   </url>

...

</urlset> 

Your Sitemap or Sitemap index file doesn't properly declare the namespace.

The XML Sitemap cannot be parsed because it contains one or more unbound namespace prefixes. For example, this error is generated when <xhtml:link> is found in a Sitemap without prior xmlns:xhtml="http://www.w3.org/1999/xhtml".

error on line 41 at column 19: Namespace prefix video on video is not defined
error on line 42 at column 22: Namespace prefix video on title is not defined
error on line 43 at column 28: Namespace prefix video on content_loc is not defined
error on line 45 at column 19: Namespace prefix video on video is not defined
error on line 46 at column 22: Namespace prefix video on title is not defined
error on line 47 at column 28: Namespace prefix video on content_loc is not defined
error on line 61 at column 19: Namespace prefix video on video is not defined
error on line 62 at column 22: Namespace prefix video on title is not defined
error on line 63 at column 28: Namespace prefix video on content_loc is not defined
error on line 65 at column 19: Namespace prefix video on video is not defined
error on line 66 at column 22: Namespace prefix video on title is not defined
error on line 67 at column 28: Namespace prefix video on content_loc is not defined
error on line 81 at column 19: Namespace prefix video on video is not defined
error on line 82 at column 22: Namespace prefix video on title is not defined
error on line 83 at column 28: Namespace prefix video on content_loc is not defined
error on line 85 at column 19: Namespace prefix video on video is not defined
error on line 86 at column 22: Namespace prefix video on title is not defined
error on line 87 at column 28: Namespace prefix video on content_loc is not defined