diff --git a/docs/.vuepress/config/nav/index.js b/docs/.vuepress/config/nav/index.js
index a3cb2a2..f091993 100644
--- a/docs/.vuepress/config/nav/index.js
+++ b/docs/.vuepress/config/nav/index.js
@@ -1,7 +1,7 @@
 module.exports = {
   'zh': [
     {
-      text: '基础',
+      text: '介绍',
       icon: 'reco-api',
       items: [
         { text: '特征', link: '/views/introduce/features' },
@@ -29,7 +29,8 @@ module.exports = {
       items: [
         { text: 'FAQ', link: '/views/reference/faq' },
         { text: '快捷键', link: '/views/reference/shortcut' },
-        { text: '隐私政策', link: '/views/reference/privacy-policy' }
+        { text: '隐私政策', link: '/views/reference/privacy-policy' },
+        { text: '合作伙伴', link: '/views/digitalychee' },
       ]
     },
     // { text: '博客', link: '/categories/blog/', icon: 'reco-blog' },
diff --git a/docs/.vuepress/config/sidebar/index.js b/docs/.vuepress/config/sidebar/index.js
index 48bb8ea..3159db3 100644
--- a/docs/.vuepress/config/sidebar/index.js
+++ b/docs/.vuepress/config/sidebar/index.js
@@ -2,7 +2,7 @@ module.exports = {
   'zh': Object.assign({}, {
     '/views/introduce/': [
       {
-        title: '基础',
+        title: '介绍',
         collapsable: false,
         children: [
           'features',
diff --git a/docs/en/views/digitalychee.md b/docs/en/views/digitalychee.md
new file mode 100644
index 0000000..ddd2b5d
--- /dev/null
+++ b/docs/en/views/digitalychee.md
@@ -0,0 +1,14 @@
+---
+title: AUTHORIZATION
+date: 2022-04-07
+---
+
+# AUTHORIZATION CERTIFICATE
+
+We, Oncework, the developer of CodeExpander,
+authorizes DIGITALYCHEE TECHNOLOGY CO, LTD is our official partner in China,
+and it owns the right to sell the copyrighted software us on their store: https://lizhi.io/store.
+
+Please don't purchase our product(s) from any other unauthorized websites.
+
+Customers who purchase from them are not allowed to enjoy the official customer support, including license retrieval, version update, tech assistance.
\ No newline at end of file
diff --git a/docs/views/digitalychee.md b/docs/views/digitalychee.md
new file mode 100644
index 0000000..7194f9f
--- /dev/null
+++ b/docs/views/digitalychee.md
@@ -0,0 +1,32 @@
+---
+title: 授权证明
+date: 2022-04-07
+---
+
+# 授权证明
+
+<!-- <center> -->
+Oncework 授权 苏州荔枝数码科技有限公司 为中国区合作伙伴，
+并享有本公司旗下正版软件 CodeExpander 在中国的销售资质。
+
+该合作伙伴的商城名为 「数码荔枝正版软件」商城，
+商城网址为：https://lizhi.io/store。
+
+请勿在其他未经授权的网站购买我们的软件。
+我们不再为这样的顾客提供任何售后服务，
+包括：密钥找回、版本更新、技术支持。
+
+![](https://baimiao.oss-cn-hangzhou.aliyuncs.com/2019/11/27/20191127024911-g00zt4.png)
+<!-- </center> -->
+
+# AUTHORIZATION CERTIFICATE
+
+<!-- <center> -->
+We, Oncework, the developer of CodeExpander,
+authorizes DIGITALYCHEE TECHNOLOGY CO, LTD is our official partner in China,
+and it owns the right to sell the copyrighted software us on their store: https://lizhi.io/store.
+
+Please don't purchase our product(s) from any other unauthorized websites.
+
+Customers who purchase from them are not allowed to enjoy the official customer support, including license retrieval, version update, tech assistance.
+<!-- </center> -->
\ No newline at end of file
diff --git a/docs/views/price.md b/docs/views/price.md
index 2811d70..bb64fbc 100644
--- a/docs/views/price.md
+++ b/docs/views/price.md
@@ -5,9 +5,12 @@ date: 2020-01-11
 
 ## 永久版本
 
-> 功能永久升级，随着功能增加，价格也会上升.
+> 功能永久升级，随着功能增加，价格也会上升. 购买后复制订单号即可, 订单号即是激活码.
 
+国内渠道：
 - [Codeexpander 永久版-面包多](https://mbd.pub/o/bread/ZZ6bl5w=)
+
+海外渠道(需要代理可访问)：
 - [Codeexpander 永久版-Paddle](https://pay.codeexpander.com/)
 
 ## 订阅版本
@@ -16,6 +19,9 @@ date: 2020-01-11
 
 - [Codeexpander 高级版月卡](https://mbd.pub/o/bread/ZpiWmZ0=)
 
+# 促销信息
+在媒体、网站、公众号等发表介绍「Codeexpander」的文章、视频等，获得1000+阅读、50+点赞即可获赠至少1年专业版时长。
+
 ## 免费版与付费版有何区别？
 
 免费版本功能适合只用来代码或文档的同步与更新。