diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..47002bb
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Yuki Ueda
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..1b56355
--- /dev/null
+++ b/README.md
@@ -0,0 +1,17 @@
+# VS Code Conference JP 2024
+- [VS Code Conference JP 2024](https://vscodejp.github.io/conference-2024)
+- [VS Code Conference JP 2022-2023](https://vscodejp.github.io/conference/2022-2023/ja)
+- [VS Code Conference JP 2021](https://vscodejp.github.io/conf2021/ja)
+
+## Work on localhost
+
+You can be launched
+
+```bash
+npx astro dev --base /
+```
+
+## Skills
+
+- [Astro](https://astro.build/)
+- [Tailwind CSS](https://tailwindcss.com/)
diff --git a/src/components/footer.astro b/src/components/footer.astro
index d02fd3a..9389f09 100644
--- a/src/components/footer.astro
+++ b/src/components/footer.astro
@@ -33,9 +33,21 @@ const links: Array<FooterLink> = [
     icon: "mdi:ticket-confirmation-outline",
   },
 ];
+const pastEvent: Array<FooterLink> = [
+  {
+    url: "https://vscodejp.github.io/conference/2022-2023/ja/",
+    description: "Conference 2022 - 2023",
+  },
+  {
+    url: "https://vscodejp.github.io/conf2021/ja/",
+    description: "Conference 2021",
+  },
+];
 ---
 
-<footer class="relative flex h-64 flex-col items-center justify-center mb-8 sm:mb-4">
+<footer
+  class="relative mb-8 flex h-64 flex-col items-center justify-center sm:mb-4"
+>
   <div class="absolute inset-0 overflow-hidden opacity-20">
     <HeroImage />
   </div>
@@ -46,6 +58,7 @@ const links: Array<FooterLink> = [
           <a
             class="flex size-16 items-center justify-center rounded-full border-2 border-default bg-default p-4"
             href={link.url}
+            target="_blank"
           >
             <span class="sr-only">VS Code Meetup on {link.description}</span>
             <Icon class="size-full" name={link.icon} />
@@ -56,11 +69,15 @@ const links: Array<FooterLink> = [
   </ul>
   <ul class="relative mt-4 grid grid-cols-2 gap-4">
     <li>
-      <Modal id="dialog" open="問い合わせ" buttonClass="rounded border-2 border-default bg-default p-4 text-center text-default">
-        <main slot="main" >
+      <Modal
+        id="dialog"
+        open="問い合わせ"
+        buttonClass="rounded border-2 border-default bg-default p-4 text-center text-default"
+      >
+        <main slot="main">
           <Iframe
             src="https://docs.google.com/forms/d/e/1FAIpQLSd0FbnMaOZeYT0ePjI3md6Z_vu5JHZvSTdBnQ0366HDuAtBaQ/viewform?embedded=true"
-            class="h-[1080px] w-[640px] max-w-full max-h-[80vh] bg-white"
+            class="h-[1080px] max-h-[80vh] w-[640px] max-w-full bg-white"
           />
         </main>
       </Modal>
@@ -69,6 +86,22 @@ const links: Array<FooterLink> = [
       <CodeForContact />
     </li>
   </ul>
+  <ul class="relative grid grid-cols-1 sm:grid-cols-2 my-4">
+    {
+      pastEvent.map((link) => (
+        <li>
+          <a
+            class="flex items-center justify-center "
+            href={link.url}
+            target="_blank"
+          >
+            <span>{link.description}</span>
+            <Icon name="mdi:open-in-new" />
+          </a>
+        </li>
+      ))
+    }
+  </ul>
 </footer>
 <span class="text-center text-default text-sm">
   © 2021-2024 VS Code Meetup
diff --git a/src/components/offline-map.astro b/src/components/offline-map.astro
index cc2db46..74aabb8 100644
--- a/src/components/offline-map.astro
+++ b/src/components/offline-map.astro
@@ -2,7 +2,7 @@
 import ContentSection from "~/components/content-section.astro";
 import Iframe from "~/components/iframe.astro";
 const mapUrl =
-  "https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d3241.3144152564673!2d139.71701602578716!3d35.66925942259116!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x60188c9c4226aaab%3A0x4776f81201a2eeef!2z44Ki44Op44Op5qCq5byP5Lya56S-!5e0!3m2!1sja!2sjp!4v1707312309527!5m2!1sja!2sjp";
+  "https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d3241.275106186683!2d139.71811979999998!3d35.670227499999996!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x60188d43a569ad5d%3A0xc0d6d49ac0fe908a!2z44Oa44Kk44Kv44Op44Km44OJ44Ob44O844Or44OH44Kj44Oz44Kw44K55qCq5byP5Lya56S-!5e0!3m2!1sja!2sjp!4v1710170498619!5m2!1sja!2sjp";
 ---
 
 <ContentSection title="オフライン会場" id="offline-map">
diff --git a/src/content/staff/74th.json b/src/content/staff/74th.json
index 9d65c57..34b7437 100644
--- a/src/content/staff/74th.json
+++ b/src/content/staff/74th.json
@@ -1,5 +1,5 @@
 {
-    "name": "Atsushi Morimoto",
+    "name": "Atsushi Morimoto(@74th)",
     "image": "src/content/staff/_images/74th.jpg",
     "url": "https://twitter.com/74th",
     "order": 1
diff --git a/src/types.ts b/src/types.ts
index e34e1bb..421f565 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,18 +1,6 @@
-export interface CompatibilityItem {
-  icon: string;
-  title: string;
-  url: string;
-}
-
-export interface FeatureItem {
-  description: string;
-  icon: string;
-  title: string;
-}
-
 export interface FooterLink {
   description: string;
-  icon: string;
+  icon?: string;
   url: string;
 }