docs(cn): fix broken link in coverage page

[netlify[bot]]

✅ Deploy Preview for cn-vitest ready!

Name	Link
🔨 Latest commit	eceb147a4c021a590903dbdb03081d6ed8af66ff
🔍 Latest deploy log	https://app.netlify.com/sites/cn-vitest/deploys/66a095238692fc000831115b
😎 Deploy Preview	https://deploy-preview-482--cn-vitest.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.

[thinkasany]

Thanks for your contributions!