diff --git a/README.md b/README.md
index 5fd04d89..7d46ac13 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ PDF scientific paper translation and bilingual comparison.
 - 🌐 Support [multiple languages](#language), and diverse [translation services](#services).
 - 🤖 Provides [commandline tool](#usage), [interactive user interface](#gui), and [Docker](#docker)
 
-Feel free to provide feedback in [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues), [Telegram Group](https://t.me/+Z9_SgnxmsmA5NzBl) or [QQ Group](https://qm.qq.com/q/DixZCxQej0).
+Feel free to provide feedback in [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues) or [Telegram Group](https://t.me/+Z9_SgnxmsmA5NzBl).
 
 For details on how to contribute, please consult the [Contribution Guide](https://github.com/Byaidu/PDFMathTranslate/wiki/Contribution-Guide---%E8%B4%A1%E7%8C%AE%E6%8C%87%E5%8D%97).
 
@@ -70,7 +70,7 @@ Note that the computing resources of the demo are limited, so please avoid abusi
 
 ### Methods
 
-For different use cases, we provide four distinct methods to use our program:
+For different use cases, we provide distinct methods to use our program:
 
 <details open>
   <summary>1. Commandline</summary>
@@ -157,6 +157,13 @@ For docker deployment on cloud service:
 
 </details>
 
+<details>
+  <summary>5. Zotero Plugin</summary>
+
+See [Zotero PDF2zh](https://github.com/guaguastandup/zotero-pdf2zh) for more details.
+
+</details>
+
 ### Unable to install?
 
 The present program needs an AI model(`wybxc/DocLayout-YOLO-DocStructBench-onnx`) before working and some users are not able to download due to network issues. If you have a problem with downloading this model, we provide a workaround using the following environment variable:
diff --git a/docs/README_ja-JP.md b/docs/README_ja-JP.md
index 9f89662d..78eaa2b1 100644
--- a/docs/README_ja-JP.md
+++ b/docs/README_ja-JP.md
@@ -39,7 +39,7 @@
 - 🌐 [複数の言語](#language) と [多様な翻訳サービス](#services) をサポート
 - 🤖 [コマンドラインツール](#usage)、[インタラクティブユーザーインターフェース](#gui)、および [Docker](#docker) を提供
 
-フィードバックは [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues)、[Telegram グループ](https://t.me/+Z9_SgnxmsmA5NzBl) または [QQ グループ](https://qm.qq.com/q/DixZCxQej0) でお気軽にどうぞ
+フィードバックは [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues)、[Telegram グループ](https://t.me/+Z9_SgnxmsmA5NzBl)
 
 <h2 id="updates">最近の更新</h2>
 
diff --git a/docs/README_zh-CN.md b/docs/README_zh-CN.md
index 2b7d1b40..611f2ca7 100644
--- a/docs/README_zh-CN.md
+++ b/docs/README_zh-CN.md
@@ -39,7 +39,7 @@
 - 🌐 支持 [多种语言](#language) 和 [诸多翻译服务](#services)
 - 🤖 提供 [命令行工具](#usage)，[图形交互界面](#gui)，以及 [容器化部署](#docker)
 
-欢迎在 [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues)、[Telegram 用户群](https://t.me/+Z9_SgnxmsmA5NzBl) 或 [QQ 用户群](https://qm.qq.com/q/DixZCxQej0) 中提供反馈
+欢迎在 [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues) 或 [Telegram 用户群](https://t.me/+Z9_SgnxmsmA5NzBl)
 
 有关如何贡献的详细信息，请查阅 [贡献指南](https://github.com/Byaidu/PDFMathTranslate/wiki/Contribution-Guide---%E8%B4%A1%E7%8C%AE%E6%8C%87%E5%8D%97)
 
diff --git a/docs/README_zh-TW.md b/docs/README_zh-TW.md
index b3b233d0..2a90a30a 100644
--- a/docs/README_zh-TW.md
+++ b/docs/README_zh-TW.md
@@ -39,7 +39,7 @@
 - 🌐 支援 [多種語言](#language) 和 [諸多翻譯服務](#services)
 - 🤖 提供 [命令列工具](#usage)、[圖形使用者介面](#gui)，以及 [容器化部署](#docker)
 
-歡迎在 [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues)、[Telegram 使用者群](https://t.me/+Z9_SgnxmsmA5NzBl) 或 [QQ 使用者群](https://qm.qq.com/q/DixZCxQej0) 中提出回饋
+歡迎在 [GitHub Issues](https://github.com/Byaidu/PDFMathTranslate/issues) 或 [Telegram 使用者群](https://t.me/+Z9_SgnxmsmA5NzBl)(https://qm.qq.com/q/DixZCxQej0) 中提出回饋
 
 如需瞭解如何貢獻的詳細資訊，請查閱 [貢獻指南](https://github.com/Byaidu/PDFMathTranslate/wiki/Contribution-Guide---%E8%B4%A1%E7%8C%AE%E6%8C%87%E5%8D%97)