fix: 🐛 fix head class name

[netlify[bot]]

✅ Deploy Preview for dubbo ready!

Name	Link
🔨 Latest commit	a57c8da427c9302b50e5835b41a8faf45afa16df
🔍 Latest deploy log	https://app.netlify.com/sites/dubbo/deploys/66272ba441154700088a2b34
😎 Deploy Preview	https://deploy-preview-2962--dubbo.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.