diff --git a/README-zh.md b/README-zh.md
index df0ff5f..f85e34a 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -1,4 +1,4 @@
-# 百词斩助手  
+# 百词斩助手
 中文 | [English](./README.md)    
 
 本应用是类似于谷歌翻译插件的一款浏览器插件，其支持划词翻译，并且可以与百词斩 APP 协同操作。当前支持的功能如下：
@@ -6,6 +6,7 @@
 - 收藏/取消收藏单词（并实时同步到百词斩 APP 中）
 - 搜索单词，显示详情信息
 - 查看单词本中的单词
+- 背单词
 - ...
 
 ## 如何使用
@@ -16,6 +17,10 @@
 ## 安装
 [![https://chrome.google.com/webstore/detail/%E7%99%BE%E8%AF%8D%E6%96%A9%E5%8A%A9%E6%89%8B/ofdejofffdjcmlbclhhfeaefodgffbnm](./images/tryitnow.png)](https://chrome.google.com/webstore/detail/%E7%99%BE%E8%AF%8D%E6%96%A9%E5%8A%A9%E6%89%8B/ofdejofffdjcmlbclhhfeaefodgffbnm)
 
+<a href="https://microsoftedge.microsoft.com/addons/detail/%E6%96%B0%E7%99%BE%E8%AF%8D%E6%96%A9%E5%8A%A9%E6%89%8B/igoongmgkfmdmlnabfphphifbmckjjea">
+<img src="./images/edge-logo.png" height="116"/>
+</a>
+
 或者下载最新[发行版本](https://github.com/marmot-z/baicizhan-helper/releases/latest)使用开发者模式安装
 
 ## 声明
@@ -24,9 +29,6 @@
 ## 相关项目
 - [bing-translate-api-java](https://github.com/marmot-z/bing-translate-api-java)
 
-## 赞助商
-本项目由 [jetBrains](https://www.jetbrains.com/community/opensource/#support) 赞助。    
-<img src="./images/jb_beam.png" alt="sponsor" width="200"/>
 
 ## LICENSE
 本项目基于 Apache-2 licence 开发    
diff --git a/README.md b/README.md
index 6e5f8e2..fbf7b3e 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ This application is a browser extension similar to the Google Translate plugin.
 - Bookmarking/Unbookmarking words (with real-time synchronization to the Baicizhan APP)
 - Word search and display of detailed information
 - Viewing words in the wordbook
+- memorize words (with real-time synchronization to the Baicizhan APP)
 - ...
 
 ## How to Use
@@ -15,6 +16,9 @@ For relevant introductions and usage, please refer to the following two videos:
 
 ## Installation
 [![https://chrome.google.com/webstore/detail/%E7%99%BE%E8%AF%8D%E6%96%A9%E5%8A%A9%E6%89%8B/ofdejofffdjcmlbclhhfeaefodgffbnm](./images/tryitnow.png)](https://chrome.google.com/webstore/detail/%E7%99%BE%E8%AF%8D%E6%96%A9%E5%8A%A9%E6%89%8B/ofdejofffdjcmlbclhhfeaefodgffbnm)
+<a href="https://microsoftedge.microsoft.com/addons/detail/%E6%96%B0%E7%99%BE%E8%AF%8D%E6%96%A9%E5%8A%A9%E6%89%8B/igoongmgkfmdmlnabfphphifbmckjjea">
+<img src="./images/edge-logo.png" height="116"/>
+</a>
 
 Alternatively, you can download the latest [release version](https://github.com/marmot-z/baicizhan-helper/releases/latest) and install it in developer mode.
 
@@ -24,10 +28,6 @@ This project is intended for personal practice. You are welcome to use this soft
 ## Related projects
 - [bing-translate-api-java](https://github.com/marmot-z/bing-translate-api-java)
 
-## Sponsor
-This project is sponsored by [jetBrains](https://www.jetbrains.com/community/opensource/#support).  
-<img src="./images/jb_beam.png" alt="sponsor" width="200"/>
-
 ## LICENSE
 This project is developed under the Apache-2 license.
 
diff --git a/images/edge-logo.png b/images/edge-logo.png
new file mode 100644
index 0000000..9037970
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diff --git a/images/memorize-words.gif b/images/memorize-words.gif
new file mode 100644
index 0000000..368e04c
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diff --git a/src/usage.html b/src/usage.html
index 2894cf9..f47415e 100644
--- a/src/usage.html
+++ b/src/usage.html
@@ -60,9 +60,6 @@ <h4>百词斩助手使用手册</h4>
         <li>形近词</li>
         <li>英文释义</li>
     </ul>
-    <p>
-        4，代理服务器，不用修改
-    </p>
     <br>
     <br>
 
@@ -92,5 +89,12 @@ <h4>百词斩助手使用手册</h4>
         勾中「隐藏释义」、「隐藏英文」选项，可以隐藏单词释义和原文。
     </p>   
     <img src="../images/manage-wordbook.gif" style="height: 400px;" />
+
+    <p><strong>背单词</strong></p>
+    <p>
+        进入选项页面，打开「背单词」选项并保存。点击「去背单词」按钮进入学习页面。
+        可以选择学习新单词或者复习今日已学单词，学习完毕后会将记录同步到百词斩 APP 中。
+    </p>   
+    <img src="../images/memorize-words.gif" style="height: 400px;" />
 </body>
 </html>
\ No newline at end of file