diff --git a/README.md b/README.md
index aa2e741..fce0f00 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ $ bun install
 1. [Discord Developer Potal](https://discord.com/developers/applications) から新規に Discord App を登録し、`Application ID`, `Public Key`, `Token` を取得します.
 2. Discord App の OAuth2 から `bot` スコープを選択し、`Manage Roles`, `Send Messages`, `Use Slash Commands` の権限を付与します.
 3. 2 で生成された URL にアクセスし、bot をサーバーに追加します.
-4. `bun run ./scriptd/registerSlashCommands.ts` を実行し、Slash Commands を登録します.
+4. `bun run ./scripts/registerSlashCommands.ts` を実行し、Slash Commands を登録します.このとき、`.env` ファイルに `DISCORD_APPLICATION_ID`を設定してください.
 5. 1 で取得した情報をそれぞれ`DISCORD_APPLICATION_ID`, `DISCORD_PUBLIC_KEY`, `DISCORD_TOKEN` を環境変数として設定します.
 
 ```bash
diff --git a/scripts/registerSlashCommand.ts b/scripts/registerSlashCommand.ts
index 08a925f..1557dd8 100644
--- a/scripts/registerSlashCommand.ts
+++ b/scripts/registerSlashCommand.ts
@@ -1,13 +1,19 @@
 // ref: https://discord.com/developers/docs/tutorials/hosting-on-cloudflare-workers#registering-commands
 
-import { REGISTER_COMMAND } from "../src/commands"
+import { REGISTER_COMMAND, HELP_COMMAND, PING_COMMAND } from "../src/commands"
 
-const register = async () => {
+const commands = [
+    REGISTER_COMMAND,
+    HELP_COMMAND,
+    PING_COMMAND
+]
+
+const register = async (command: any) => {
     const json = {
-        name: REGISTER_COMMAND.name,
-        description: REGISTER_COMMAND.description,
-        type: REGISTER_COMMAND.type,
-        options: REGISTER_COMMAND.options,
+        name: command.name,
+        description: command.description,
+        type: command.type,
+        options: command?.options,
     }
     const headers = {
         'Authorization': `Bot ${process.env.DISCORD_TOKEN}`,
@@ -28,4 +34,4 @@ const register = async () => {
     });
 }
 
-await register()
+commands.forEach(register)
diff --git a/src/commands.ts b/src/commands.ts
index 590cb9b..e2dbd48 100644
--- a/src/commands.ts
+++ b/src/commands.ts
@@ -12,3 +12,15 @@ export const REGISTER_COMMAND = {
         },
     ],
 }
+
+export const HELP_COMMAND = {
+    name: 'help',
+    description: 'ヘルプを表示します',
+    type: 1,
+}
+
+export const PING_COMMAND = {
+    name: 'ping',
+    description: 'Ping!',
+    type: 1,
+}
diff --git a/src/index.ts b/src/index.ts
index 6c6f67c..b45f0cc 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,7 +2,7 @@ import { Hono } from 'hono'
 import { logger } from 'hono/logger'
 import { APIInteraction, InteractionType, InteractionResponseType, APIInteractionResponse, ApplicationCommandType } from 'discord-api-types/v10'
 import { verifyDiscordInteraction } from './verifyDiscordInteraction'
-import { REGISTER_COMMAND } from './commands'
+import { HELP_COMMAND, PING_COMMAND, REGISTER_COMMAND } from './commands'
 import { assignRoleToUser, getGuildRoles, createGuildRole, removeUserRole } from './role'
 
 const app = new Hono()
@@ -14,6 +14,10 @@ app.get('/', (c) => {
   return c.text('Hello World')
 })
 
+app.get('/status', (c) => {
+  return c.json({ status: 'ok' })
+});
+
 app.post('/', verifyDiscordInteraction, async (c) => {
   const message: APIInteraction = await c.req.json()
 
@@ -94,6 +98,18 @@ app.post('/', verifyDiscordInteraction, async (c) => {
           });
         };
       }
+      case HELP_COMMAND.name.toLowerCase():
+        return c.json({
+          type: InteractionResponseType.ChannelMessageWithSource, data: {
+            content: '使い方: /register --year <入学年度>\n'
+          }
+        });
+      case PING_COMMAND.name.toLowerCase():
+        return c.json({
+          type: InteractionResponseType.ChannelMessageWithSource, data: {
+            content: 'Pong!'
+          }
+        });
       default:
         return c.json({ error: 'Unknown Command' }, 400);
     }