为什么我自己根据rss2.0的规范生成的rss，图片不能显示？

悬赏园豆：20 [已解决问题] 解决于 2012-10-16 12:52

生成后的源代码：

<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0">
<channel>
<title>八千美眉网</title>
<description>八千美眉网</description>
<link>http://www.8kmm.com</link>
<language>zh-cn</language>
<docs>八千美眉网</docs>
<generator>Qing.Chiang@foxmail.com</generator>
<webMaster>Qing.Chiang@foxmail.com</webMaster>
<item><title>美宅女洋溢着童年时光</title><link>http://www.8kmm.com/meinvheji/41114.html</link><image><title>abc</title><url>http://www.8kmm.com/UploadFiles/2012/9/201209291038022716_S.jpg</url><link>http://www.8kmm.com/meinvheji/41114.html</link></image><author>jackrebel</author><category>美女合集</category><pubDate>2012-09-29T10:41:41.597+08:00</pubDate></item>
<item><title>青春期柔美的叛逆</title><link>http://www.8kmm.com/meinvheji/41111.html</link><image><title>abc</title><url>http://www.8kmm.com/UploadFiles/2012/9/201209291035211183_S.jpg</url><link>http://www.8kmm.com/meinvheji/41111.html</link></image><author>jackrebel</author><category>美女合集</category><pubDate>2012-09-29T10:36:16.127+08:00</pubDate></item>
<item><title>侯丽婉最近生活照</title><link>http://www.8kmm.com/meinvheji/41109.html</link><image><title>abc</title><url>http://www.8kmm.com/UploadFiles/2012/9/201209291029358849_S.jpg</url><link>http://www.8kmm.com/meinvheji/41109.html</link></image><author>jackrebel</author><category>美女合集</category><pubDate>2012-09-29T10:31:22.283+08:00</pubDate></item>
</channel>
</rss>