diff --git a/content/page/referral/index.md b/content/page/referral/index.md
index 560be4c..943d3ff 100644
--- a/content/page/referral/index.md
+++ b/content/page/referral/index.md
@@ -11,13 +11,15 @@ menu:
       icon: link
 ---
 
-## [Claude Code Guest Pass](https://claude.ai/referral/ZkoAngod1A)
+## Claude Ecosystem
+
+### [Claude Code Guest Pass](https://claude.ai/referral/ZkoAngod1A)
 
 Share a free week of Claude Code with friends. If they love it and subscribe, you'll get $10 of extra usage to keep building.
 
 Link: https://claude.ai/referral/ZkoAngod1A
 
-## [ClaudeKit](https://claudekit.cc/?ref=BWA910UK)
+### [ClaudeKit](https://claudekit.cc/?ref=BWA910UK)
 
 ClaudeKit is a platform providing tools and resources to work with Claude AI more effectively — including prompt templates, workflows, and extensions.
 
@@ -27,15 +29,13 @@ Referral code: `BWA910UK`
 
 Link: https://claudekit.cc/?ref=BWA910UK
 
-## [Z.ai](https://z.ai/subscribe?ic=PLKIAYEIPW)
+## AI Coding Platforms & LLM APIs
+
+### [Z.ai](https://z.ai/subscribe?ic=PLKIAYEIPW)
 
 🚀 You've been invited to join the GLM Coding Plan! Enjoy full support for Claude Code, Cline, and 20+ top coding tools — starting at just $10/month. Subscribe now and grab the limited-time deal! Link： https://z.ai/subscribe?ic=PLKIAYEIPW
 
-## [BigModel.cn](https://www.bigmodel.cn/invite?icode=rIX6uZrLYfy8fQ6Urca4xf2gad6AKpjZefIo3dVEQyA%3D)
-
-Join BigModel.cn via my link for 20M tokens! Explore AGI apps with me. Link: https://www.bigmodel.cn/invite?icode=rIX6uZrLYfy8fQ6Urca4xf2gad6AKpjZefIo3dVEQyA%3D
-
-## [Synthetic](https://synthetic.new/?referral=CNBFyw28zF0dZoj)
+### [Synthetic](https://synthetic.new/?referral=CNBFyw28zF0dZoj)
 
 Thanks for helping us grow!
 
@@ -47,13 +47,19 @@ https://synthetic.new/?referral=CNBFyw28zF0dZoj
 
 Your referral link contains your unique code: CNBFyw28zF0dZoj
 
-## [ModelArk](https://www.byteplus.com/activity/codingplan?ac=MMAUCIS9NT1S&rc=2739UWRE)
+### [ModelArk](https://www.byteplus.com/activity/codingplan?ac=MMAUCIS9NT1S&rc=2739UWRE)
 
 https://www.byteplus.com/activity/codingplan?ac=MMAUCIS9NT1S&rc=2739UWRE
 
 [![modelark](modelark.png)](https://www.byteplus.com/activity/codingplan?ac=MMAUCIS9NT1S&rc=2739UWRE)
 
-## [PikPak](https://mypikpak.com/drive/activity/invited?invitation-code=75940186)
+### [BigModel.cn](https://www.bigmodel.cn/invite?icode=rIX6uZrLYfy8fQ6Urca4xf2gad6AKpjZefIo3dVEQyA%3D)
+
+Join BigModel.cn via my link for 20M tokens! Explore AGI apps with me. Link: https://www.bigmodel.cn/invite?icode=rIX6uZrLYfy8fQ6Urca4xf2gad6AKpjZefIo3dVEQyA%3D
+
+## Cloud Storage
+
+### [PikPak](https://mypikpak.com/drive/activity/invited?invitation-code=75940186)
 
 PikPak is a private cloud storage service with built-in support for magnet links, torrents, and saving videos from the web — great for offline downloads and cross-device access.