diff --git a/.gitignore b/.gitignore
index c9a24b4..ec9f4ac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,6 @@ next-env.d.ts
 
 # vscode
 .vscode
+
+# wiki files from prebuild
+/public/img/wiki/
diff --git a/InvestWiki/wiki/ex/next/en.md b/InvestWiki/wiki/ex/next/en.md
deleted file mode 100644
index 0bcd805..0000000
--- a/InvestWiki/wiki/ex/next/en.md
+++ /dev/null
@@ -1,44 +0,0 @@
-# Next.js
-
-## Getting Started
-
-Visit <a aria-label="next.js learn" href="https://nextjs.org/learn">https://nextjs.org/learn</a> to get started with Next.js.
-
-## Documentation
-
-Visit [https://nextjs.org/docs](https://nextjs.org/docs) to view the full documentation.
-
-## Who is using Next.js?
-
-Next.js is used by the world's leading companies. Check out the [Next.js Showcase](https://nextjs.org/showcase) to learn more.
-
-## Community
-
-The Next.js community can be found on [GitHub Discussions](https://github.com/vercel/next.js/discussions), where you can ask questions, voice ideas, and share your projects.
-
-To chat with other community members you can join the [Next.js Discord](https://nextjs.org/discord).
-
-Our [Code of Conduct](https://github.com/vercel/next.js/blob/canary/CODE_OF_CONDUCT.md) applies to all Next.js community channels.
-
-## Contributing
-
-Please see our [contributing.md](/contributing.md).
-
-### Good First Issues
-
-We have a list of [good first issues](https://github.com/vercel/next.js/labels/good%20first%20issue) that contain bugs that have a relatively limited scope. This is a great place to get started, gain experience, and get familiar with our contribution process.
-
-## Authors
-
-- Tim Neutkens ([@timneutkens](https://twitter.com/timneutkens))
-- Naoyuki Kanezawa ([@nkzawa](https://twitter.com/nkzawa))
-- Guillermo Rauch ([@rauchg](https://twitter.com/rauchg))
-- Arunoda Susiripala ([@arunoda](https://twitter.com/arunoda))
-- Tony Kovanen ([@tonykovanen](https://twitter.com/tonykovanen))
-- Dan Zajdband ([@impronunciable](https://twitter.com/impronunciable))
-
-## Security
-
-If you believe you have found a security vulnerability in Next.js, we encourage you to responsibly disclose this and not open a public issue. We will investigate all legitimate reports. Email `security@vercel.com` to disclose any security vulnerabilities.
-
-https://vercel.com/security
diff --git a/InvestWiki/wiki/home/en.md b/InvestWiki/wiki/home/en.md
deleted file mode 100644
index 3ef9d71..0000000
--- a/InvestWiki/wiki/home/en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-layout: "home"
-title: "some data"
----
-
-# toffee wiki
-
-Official WIP wiki!!
-
-## Stuffs
-
-Some wiki stuff will go here
-
-Check out an actual example page [over here](/wiki/en/ex/next/)
-
-多[言語](/wiki/ja/)化！？
-
-## Markdown Support
-
-```jsx
-export default function RenderMarkdown({ children }: RenderMarkdownProps) {
-  return (
-    <ReactMarkdown
-      remarkPlugins={[remarkGfm]}
-      rehypePlugins={[rehypeHighlight, rehypeSlug]}
-    >
-      {children}
-    </ReactMarkdown>
-  );
-}
-```
-
-## GFM
-
-### Autolink literals
-
-www.example.com, <https://example.com>, and contact@example.com.
-
-### Footnote
-
-A note[^1]
-
-[^1]: Big note.
-
-### Strikethrough
-
-~one~ or ~~two~~ tildes.
-
-### Table
-
-| Syntax    | Description |
-| --------- | ----------- |
-| Header    | Title       |
-| Paragraph | Text        |
-
-### Tasklist
-
-- [ ] to do
-- [x] done
diff --git a/InvestWiki/wiki/home/ja.md b/InvestWiki/wiki/home/ja.md
deleted file mode 100644
index 307f43f..0000000
--- a/InvestWiki/wiki/home/ja.md
+++ /dev/null
@@ -1,13 +0,0 @@
----
-layout: "home"
----
-
-# ホームページ :)
-
-## あ
-
-ここで何かを作るには、日本語がよくわからないのですが...
-
-:D
-
-[英語](/wiki/en/)