diff --git a/README.md b/README.md
index e85e3369..fc5da322 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,10 @@
 
 <sub>[English](README_EN.md) · [问题反馈](https://github.com/caigee-cmd/cli2api/issues) · [Telegram](https://t.me/+jCjL8ou_g7Q2MzI1)</sub>
 
+<sub>Sponsors</sub>
+
+<a href="https://caiaiu.com/register?aff=cli2api"><picture><source media="(prefers-color-scheme: dark)" srcset="./docs/assets/sponsors/caiai-dark.svg"><img src="./docs/assets/sponsors/caiai.svg" height="36" alt="CaiAI"></picture></a>
+
 <img src="./docs/assets/readme/hero-zh.svg" width="100%" alt="CLI2API — 把你自己的登录态，变成一个本机运行的 OpenAI 兼容 API">
 
 </div>
diff --git a/README_EN.md b/README_EN.md
index 217aabc6..08f915ec 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -13,6 +13,10 @@ Deploy with Docker, manage accounts in the web console, and connect clients thro
 
 <sub>[中文](README.md) · [Issues](https://github.com/caigee-cmd/cli2api/issues) · [Telegram](https://t.me/+jCjL8ou_g7Q2MzI1)</sub>
 
+<sub>Sponsors</sub>
+
+<a href="https://caiaiu.com/register?aff=cli2api"><picture><source media="(prefers-color-scheme: dark)" srcset="./docs/assets/sponsors/caiai-dark.svg"><img src="./docs/assets/sponsors/caiai.svg" height="36" alt="CaiAI"></picture></a>
+
 <img src="./docs/assets/readme/hero-en.svg" width="100%" alt="CLI2API — turn your own logins into a local OpenAI-compatible API">
 
 </div>
diff --git a/docs/assets/sponsors/caiai-dark.svg b/docs/assets/sponsors/caiai-dark.svg
new file mode 100644
index 00000000..9fef2d87
--- /dev/null
+++ b/docs/assets/sponsors/caiai-dark.svg
@@ -0,0 +1,21 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 100">
+  <!-- Icon mark (white, for dark backgrounds) -->
+  <path fill="white" d="M18.8 43.2C15.2 31.8 19.7 21.9 31.4 16.2C44.6 9.8 62.3 10.8 78.4 18.1C67.4 27.4 54.5 35 38.6 39.3C30.1 41.6 23.2 42.7 18.8 43.2Z"/>
+  <path fill="white" d="M18.8 56.8C15.4 68.2 20.2 78.2 31.9 83.8C45.1 90.1 62.5 89 78.4 81.9C67.4 72.6 54.5 65 38.6 60.7C30.1 58.4 23.2 57.3 18.8 56.8Z"/>
+  <path fill="#111111" opacity=".12" d="M25.4 39.1C36.9 32.7 51.4 24.9 69.6 18.8C58.7 29.5 42.7 37.6 25.4 39.1Z"/>
+  <path fill="#111111" opacity=".1" d="M25.4 60.9C37 67.2 51.5 75.1 69.5 81.2C58.7 70.5 42.6 62.4 25.4 60.9Z"/>
+  <!-- Wordmark (white) -->
+  <text x="112" y="57"
+    font-size="40"
+    fill="white"
+    font-family="Geist, 'Geist Sans', system-ui, -apple-system, sans-serif"
+    font-weight="400"
+    letter-spacing="-1">caiaiu</text>
+  <!-- Tagline (white) -->
+  <text x="114" y="76"
+    font-size="13"
+    fill="white"
+    font-family="Geist, 'Geist Sans', system-ui, -apple-system, sans-serif"
+    font-weight="300"
+    letter-spacing="0.5">AI · Intelligence · You</text>
+</svg>
diff --git a/docs/assets/sponsors/caiai.svg b/docs/assets/sponsors/caiai.svg
new file mode 100644
index 00000000..08f4ddf6
--- /dev/null
+++ b/docs/assets/sponsors/caiai.svg
@@ -0,0 +1,35 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 100">
+  <defs>
+    <linearGradient id="leafTop" x1="19" x2="78" y1="43" y2="18" gradientUnits="userSpaceOnUse">
+      <stop offset="0" stop-color="#050505"/>
+      <stop offset=".58" stop-color="#242424"/>
+      <stop offset="1" stop-color="#111111"/>
+    </linearGradient>
+    <linearGradient id="leafBottom" x1="19" x2="78" y1="57" y2="82" gradientUnits="userSpaceOnUse">
+      <stop offset="0" stop-color="#080808"/>
+      <stop offset=".58" stop-color="#292929"/>
+      <stop offset="1" stop-color="#111111"/>
+    </linearGradient>
+  </defs>
+  <!-- Icon mark -->
+  <g transform="translate(0 0)">
+    <path fill="url(#leafTop)" d="M18.8 43.2C15.2 31.8 19.7 21.9 31.4 16.2C44.6 9.8 62.3 10.8 78.4 18.1C67.4 27.4 54.5 35 38.6 39.3C30.1 41.6 23.2 42.7 18.8 43.2Z"/>
+    <path fill="url(#leafBottom)" d="M18.8 56.8C15.4 68.2 20.2 78.2 31.9 83.8C45.1 90.1 62.5 89 78.4 81.9C67.4 72.6 54.5 65 38.6 60.7C30.1 58.4 23.2 57.3 18.8 56.8Z"/>
+    <path fill="#ffffff" opacity=".1" d="M25.4 39.1C36.9 32.7 51.4 24.9 69.6 18.8C58.7 29.5 42.7 37.6 25.4 39.1Z"/>
+    <path fill="#ffffff" opacity=".08" d="M25.4 60.9C37 67.2 51.5 75.1 69.5 81.2C58.7 70.5 42.6 62.4 25.4 60.9Z"/>
+  </g>
+  <!-- Wordmark -->
+  <text x="112" y="57"
+    font-size="40"
+    fill="#111111"
+    font-family="Geist, 'Geist Sans', system-ui, -apple-system, sans-serif"
+    font-weight="400"
+    letter-spacing="-1">caiaiu</text>
+  <!-- Tagline -->
+  <text x="114" y="76"
+    font-size="13"
+    fill="#111111"
+    font-family="Geist, 'Geist Sans', system-ui, -apple-system, sans-serif"
+    font-weight="300"
+    letter-spacing="0.5">AI · Intelligence · You</text>
+</svg>