fix: 更新邮箱订阅链接。

Author: lcomplete

.vuepress/config.js

@@ -50,7 +50,7 @@ export default defineUserConfig({
       { text: '关于', link: '/about/' },
       { text: '博客', link: 'https://codelc.com/' },
       { text: '推特', link: 'https://x.com/xlcomplete' },
-      { text: '邮箱订阅', link: 'https://coolc.substack.com/' },
+      { text: '邮箱订阅', link: 'https://lcomplete.substack.com/' },
       { text: 'RSS 订阅', link: 'https://tech.codelc.com/rss.xml' },
       { text: 'GitHub', link: 'https://github.com/lcomplete/TechShare' }
     ],