diff --git a/README-CN.md b/README-CN.md
deleted file mode 100644
index d88df1b..0000000
--- a/README-CN.md
+++ /dev/null
@@ -1,27 +0,0 @@
-# bulk-delete-chatGPT
-
-# 项目介绍
-
-`bulk-delete-chatGPT` 是一个 Chrome 扩展程序，用于批量删除 ChatGPT 页面上的对话。使用此扩展程序可以快速、轻松地管理 ChatGPT 页面上的对话。它包含一个简洁的用户界面，提供了一种高效的方式来执行批量删除对话操作。
-
-# 截图
-
-<table>
-  <tr>
-    <td><img src="./assets/1.jpg" alt="图片1" style="max-width: 100%;"></td>
-    <td><img src="./assets/2.jpg" alt="图片2" style="max-width: 100%;"></td>
-    <td><img src="./assets/3.jpg" alt="图片3" style="max-width: 100%;"></td>
-  </tr>
-</table>
-
-
-# 使用说明
-
-- 访问 Chrome 网上应用商店中的 [ChatGPT Bulk Delete](https://chrome.google.com/webstore/detail/chatgpt-bulk-delete/effkgioceefcfaegehhfafjneeiabdjg) 页面。
-- 点击 "添加至Chrome" 按钮以安装扩展程序。
-- 打开 [ChatGPT 网站页面](https://chat.openai.com/)。
-- 点击浏览器右上角的 bulk-delete-chatGPT 扩展程序图标。
-- 点击 "添加复选框"按钮。扩展会自动地在 ChatGPT 页面左侧的每个对话前添加一个复选框。
-- 选中你想删除的对话。
-- 点击 "批量删除"按钮，选中的对话将被删除。
-- 如有需要，您可以点击 "去掉复选框" 按钮来隐藏复选框。
diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,10 +1,6 @@
-# [🌟Ads：MyNav chrome extension](https://chromewebstore.google.com/detail/my-nav/hagcohiondnnjimialmlneleljfmkflf?authuser=0&hl=en)
-
 # bulk-delete-chatGPT
 
-English | [中文版本](./README-CN.md)
-
-## Project Introduction
+[Original work by qcrao](https://github.com/qcrao/bulk-delete-chatGPT)
 
 `bulk-delete-chatGPT` is a Chrome extension designed to bulk-delete conversations on ChatGPT pages. This extension allows you to quickly and easily manage conversations on ChatGPT pages. It features a clean and intuitive user interface, providing an efficient way to perform bulk deletion of conversations.
 
@@ -12,20 +8,26 @@ English | [中文版本](./README-CN.md)
 
 <table>
   <tr>
-    <td><img src="./assets/1.jpg" alt="图片1" style="max-width: 100%;"></td>
-    <td><img src="./assets/2.jpg" alt="图片2" style="max-width: 100%;"></td>
-    <td><img src="./assets/3.jpg" alt="图片3" style="max-width: 100%;"></td>
+    <td><img src="./assets/1.jpg" alt="Screenshot 1" style="max-width: 100%;"></td>
+    <td><img src="./assets/2.jpg" alt="Screenshot 2" style="max-width: 100%;"></td>
+    <td><img src="./assets/3.jpg" alt="Screenshot 3" style="max-width: 100%;"></td>
   </tr>
 </table>
 
+## Installation Instructions (Developer Mode)
+
+1.  Download the extension files from this repository.
+2.  Open Chrome and navigate to [`chrome://extensions`](chrome://extensions).
+3.  Enable "Developer mode" in the top right corner.
+4.  Click "Load unpacked" and select the directory where you saved the extension files.
+5.  The extension should now be installed and visible in your Chrome toolbar.
+
 ## Usage Instructions
 
-- Go to the [ChatGPT Bulk Delete Chrome extension page](https://chrome.google.com/webstore/detail/chatgpt-bulk-delete/effkgioceefcfaegehhfafjneeiabdjg) in the Chrome Web Store.
-- Click the "Add to Chrome" button to install the extension.
-- Open the [ChatGPT website page](https://chat.openai.com/).
-- Click the `bulk-delete-chatGPT` extension icon in the top-right corner of your browser.
-- Click the "Add checkboxes" button. The extension will automatically add a checkbox in front of each conversation on the ChatGPT page.
-- Select the conversations you wish to delete.
-- Click the "Bulk delete" button, and the selected conversations will be deleted.
-- If needed, you can click the "Remove checkboxes" button to hide the checkboxes.
-- It's possible to select all checkboxes between your last selection and the one being selected by holding shift.
+-   Open the [ChatGPT website page](https://chat.openai.com/).
+-   Click the `bulk-delete-chatGPT` extension icon in the top-right corner of your browser.
+-   Click the "Add checkboxes" button. The extension will automatically add a checkbox in front of each conversation on the ChatGPT page.
+-   Select the conversations you wish to delete.
+-   Click the "Bulk delete" button, and the selected conversations will be deleted.
+-   If needed, you can click the "Remove checkboxes" button to hide the checkboxes.
+-   It's possible to select all checkboxes between your last selection and the one being selected by holding shift.