feature:

语言本地化完善；
夜间模式完善；
封装版权声明；
侧边栏sticky优化

components/ArticleCopyright.js

@@ -0,0 +1,26 @@
+import { useGlobal } from '@/lib/global'
+import Link from 'next/link'
+
+export default function ArticleCopyright ({ author, url }) {
+  const { locale } = useGlobal()
+  return <section className="dark:text-gray-300 mt-6">
+    <div className="text-2xl mb-2">{locale.COMMON.COPYRIGHT}</div>
+    <ul className="text-sm dark:bg-gray-900 bg-gray-100 p-5 leading-8 border-l-4 border-red-500">
+      <li>
+        <strong className='mr-2'>{locale.COMMON.AUTHOR}:</strong>
+        <Link href="/about">
+          <a className="hover:underline">{author}</a>
+        </Link>
+      </li>
+      <li>
+      <strong className='mr-2'>{locale.COMMON.URL}:</strong>
+        <a className="hover:underline" href={url}>
+          {url}
+        </a>
+      </li>
+      <li>
+      {locale.COMMON.COPYRIGHT_NOTICE}
+      </li>
+    </ul>
+  </section>
+}