diff --git a/docs/en/joinus/README.md b/docs/en/joinus/README.md
index 85030f4e3e..6604d0a29d 100644
--- a/docs/en/joinus/README.md
+++ b/docs/en/joinus/README.md
@@ -105,11 +105,15 @@ ctx.state.data = {
     title: '', // The feed title
     link: '', // The feed link
     description: '', // The feed description
+    language: '', // The language of the channel
     item: [
         // An article of the feed
         {
             title: '', //  The article title
-            description: '', // The article content
+            author: '', // Author of the article
+            category: '', // Article category
+            // category: [''], // Multiple category
+            description: '', // The article summury or content
             pubDate: '', // The article publishing datetime
             guid: '', // The article unique identifier, optional, default to the article link below
             link: '', // The article link
@@ -136,11 +140,15 @@ ctx.state.data = {
     itunes_category: '', // Channel category
     image: '', // Channel's image
     description: '', // The feed description
+    language: '', // The language of the channel
     item: [
         // An item of the feed
         {
             title: '', // The item title
-            description: '', // The item content
+            author: '', // Author of the article
+            category: '', // Article category
+            // category: [''], // Multiple category
+            description: '', // The article summury or content
             pubDate: '', // The item publishing datetime
             guid: '', // The item unique identifier, optional, default to the item link below.
             link: '', // The item link
diff --git a/docs/joinus/README.md b/docs/joinus/README.md
index e290199d32..db05a0f40e 100644
--- a/docs/joinus/README.md
+++ b/docs/joinus/README.md
@@ -261,11 +261,15 @@ ctx.state.data = {
     title: '', // 项目的标题
     link: '', // 指向项目的链接
     description: '', // 描述项目
+    language: '', // 频道语言
     item: [
         // 其中一篇文章或一项内容
         {
             title: '', // 文章标题
-            description: '', // 文章内容或描述
+            author: '', // 文章作者
+            category: '', // 文章分类
+            // category: [''], // 多个分类
+            description: '', // 文章摘要或全文
             pubDate: '', // 文章发布时间
             guid: '', // 文章唯一标示, 必须唯一, 可选, 默认为文章链接
             link: '', // 指向文章的链接
@@ -292,11 +296,15 @@ ctx.state.data = {
     itunes_category: '', // 播客分类
     image: '', // 专辑图片, 作为播客源时必填
     description: '', // 描述项目
+    language: '', // 频道语言
     item: [
         // 其中一篇文章或一项内容
         {
             title: '', // 文章标题
-            description: '', // 文章内容或描述
+            author: '', // 文章作者
+            category: '', // 文章分类
+            // category: [''], // 多个分类
+            description: '', // 文章摘要或全文
             pubDate: '', // 文章发布时间
             guid: '', // 文章唯一标示, 必须唯一, 可选, 默认为文章链接
             link: '', // 指向文章的链接
diff --git a/views/atom.art b/views/atom.art
index fa879eeb62..aad5c38ee8 100644
--- a/views/atom.art
+++ b/views/atom.art
@@ -2,7 +2,7 @@
 <feed xmlns="http://www.w3.org/2005/Atom">
     <generator>RSSHub</generator>
     <webMaster>i@diygod.me</webMaster>
-    <language>zh-cn</language>
+    <language>{{ language || 'zh-cn' }}</language>
     <id>{{ id || link }}</id>
     <title><![CDATA[{{@ title || 'RSSHub' }}]]></title>
 
@@ -58,8 +58,12 @@
         <content type="html" src="{{ $e.link }}"><![CDATA[{{@ $e.description }}]]></content>
         {{ /if }}
 
-        {{ if $e.category }}
+        {{ if typeof $e.category === 'string' }}
         <category term="{{ $e.category }}"></category>
+        {{ else }}
+                {{ each $e.category $c }}
+                <category term="{{ $c }}"></category>
+                {{ /each }}
         {{ /if }}
         
     </entry>
diff --git a/views/rss.art b/views/rss.art
index 6546490a21..6cc0ec52ee 100644
--- a/views/rss.art
+++ b/views/rss.art
@@ -12,7 +12,7 @@
         <webMaster>i@diygod.me</webMaster>
         {{ if itunes_author }}<itunes:author>{{ itunes_author}}</itunes:author>{{ /if }}
         {{ if itunes_category }}<itunes:category text="{{ itunes_category }}"/>{{ /if }}
-        <language>zh-cn</language>
+        <language>{{ language || 'zh-cn' }}</language>
         {{ if image }}
         <image>
             <url>{{ image }}</url>
@@ -33,7 +33,13 @@
             {{ if $value.enclosure_url }}<enclosure url="{{ $value.enclosure_url }}" length="{{ $value.enclosure_length }}" type="{{ $value.enclosure_type }}" />{{ /if }}
             {{ if $value.itunes_duration }}<itunes:duration>{{ $value.itunes_duration }}</itunes:duration> {{ /if }}
             {{ if $value.author }}<author><![CDATA[{{ $value.author }}]]></author>{{ /if }}
-            {{ if $value.category }}<category>{{ $value.category }}</category>{{ /if }}
+            {{ if typeof $value.category === 'string' }}
+            <category>{{ $value.category }}</category>
+            {{ else }}
+                {{ each $value.category $c }}
+                <category>{{ $c }}</category>
+                {{ /each }}
+            {{ /if }}
         </item>
         {{ /each }}
     </channel>