① github: https://beichengyibei.eu.org/
② cloudflare: https://tongtong.eu.org/
③ azure: https://delightful-plant-06f25b800.4.azurestaticapps.net/
④ ubuntu: https://lsss.eu.org/
⑤ vercel: https://shatong.vercel.app/
⑥ netlify: https://shatong.netlify.app/