diff --git a/components/post/PostToc.tsx b/components/post/PostToc.tsx
index 114e72e..dcb3b80 100644
--- a/components/post/PostToc.tsx
+++ b/components/post/PostToc.tsx
@@ -2,7 +2,7 @@ import { getHeadings, SingleToc } from 'lib/utils';
 import Anchor from 'components/mdx/Anchor';
 import styles from './PostToc.module.css';
 import classNames from 'classnames';
-import { useCallback, useState } from 'react';
+import { Fragment, useCallback, useState } from 'react';
 import { FiChevronDown } from 'react-icons/fi';
 
 interface Props {
@@ -61,14 +61,14 @@ const PostToc = ({ toc, tocLength }: Props) => {
         <div className="pl-4 border-l-4 border-gray-300 toc">
           <ul className="!pl-[unset]">
             {toc?.map((h) => (
-              <>
-                <TocItem item={h} key={h.link} />
+              <Fragment key={h.link}>
+                <TocItem item={h} />
                 {h.children.map((child) => (
                   <ul className="!pl-4" key={child.link}>
                     <TocItem item={child} />
                   </ul>
                 ))}
-              </>
+              </Fragment>
             ))}
           </ul>
         </div>
diff --git a/next.config.mjs b/next.config.mjs
index 1541c73..4962c97 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -1,19 +1,32 @@
-import remarkFrontmatter from 'remark-frontmatter';
-import composePlugins from 'next-compose-plugins';
+// import composePlugins from 'next-compose-plugins';
 
-const composedConfig = composePlugins([
-  /** @type {import('next').NextConfig} */
-  {
-    reactStrictMode: true,
-    output: 'standalone',
-    experimental: {
-      // runtime: 'nodejs',
-      // outputStandalone: true,
-      images: { allowFutureImage: true },
-    },
-    pageExtensions: ['ts', 'tsx', 'js', 'jsx', 'md', 'mdx'],
-    images: { domains: ['avatars.githubusercontent.com'] },
+// const composedConfig = composePlugins([
+//   /** @type {import('next').NextConfig} */
+//   {
+//     reactStrictMode: true,
+//     output: 'standalone',
+//     experimental: {
+//       // runtime: 'nodejs',
+//       // outputStandalone: true,
+//       images: { allowFutureImage: true },
+//     },
+//     pageExtensions: ['ts', 'tsx', 'js', 'jsx', 'md', 'mdx'],
+//     images: { domains: ['avatars.githubusercontent.com'] },
+//   },
+// ]);
+/**
+ * @type {import('next').NextConfig}
+ */
+const nextConfig = {
+  /* config options here */
+  reactStrictMode: true,
+  output: 'standalone',
+  experimental: {
+    // runtime: 'nodejs',
+    // outputStandalone: true,
+    images: { allowFutureImage: true },
   },
-]);
+  pageExtensions: ['ts', 'tsx', 'js', 'jsx', 'md', 'mdx'],
+};
 
-export default composedConfig;
+export default nextConfig;