diff --git a/README.md b/README.md
index 03121c7b..9b970c97 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,17 @@ GLM CODING PLAN is a subscription service designed for AI coding, starting at ju
 
 Get 10% OFF GLM CODING PLAN：https://z.ai/subscribe?ic=8JVLJQFSKB
 
+---
+
+<table>
+<tbody>
+<tr>
+<td width="180"><a href="https://www.packyapi.com/register?aff=cliproxyapi"><img src="./assets/packycode.png" alt="PackyCode" width="150"></a></td>
+<td>Thanks to PackyCode for sponsoring this project! PackyCode is a reliable and efficient API relay service provider, offering relay services for Claude Code, Codex, Gemini, and more. PackyCode provides special discounts for our software users: register using <a href="https://www.packyapi.com/register?aff=cliproxyapi">this link</a> and enter the "cliproxyapi" promo code during recharge to get 10% off.</td>
+</tr>
+<tbody>
+</table>
+
 ## Overview
 
 - OpenAI/Gemini/Claude compatible API endpoints for CLI models
diff --git a/README_CN.md b/README_CN.md
index 4624e88f..bf618f02 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -18,6 +18,17 @@ GLM CODING PLAN 是专为AI编码打造的订阅套餐，每月最低仅需20元
 
 智谱AI为本软件提供了特别优惠，使用以下链接购买可以享受九折优惠：https://www.bigmodel.cn/claude-code?ic=RRVJPB5SII
 
+---
+
+<table>
+<tbody>
+<tr>
+<td width="180"><a href="https://www.packyapi.com/register?aff=cliproxyapi"><img src="./assets/packycode.png" alt="PackyCode" width="150"></a></td>
+<td>感谢 PackyCode 对本项目的赞助！PackyCode 是一家可靠高效的 API 中转服务商，提供 Claude Code、Codex、Gemini 等多种服务的中转。PackyCode 为本软件用户提供了特别优惠：使用<a href="https://www.packyapi.com/register?aff=cliproxyapi">此链接</a>注册，并在充值时输入 "cliproxyapi" 优惠码即可享受九折优惠。</td>
+</tr>
+<tbody>
+</table>
+
 ## 功能特性
 
 - 为 CLI 模型提供 OpenAI/Gemini/Claude/Codex 兼容的 API 端点
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