diff --git a/src/ChatBot.ts b/src/ChatBot.ts
index a752f0f..a00c2d1 100644
--- a/src/ChatBot.ts
+++ b/src/ChatBot.ts
@@ -12,13 +12,13 @@ export default class ChatBot {
   set trainType(value: TrainType) {
     this._trainType = value
   }
-  private db = new Database(join(__dirname, '..', 'db', 'db.sqlite3'))
+  public db = new Database(join(__dirname, '..', 'db', 'db.sqlite3'))
   private _trainType: TrainType = 'All'
   public constructor() {}
 
   public getResponse(msg: Message, sendMsg?: boolean): ChatBot {
     this.db
-      .get()
+      .all()
       .then(rows => {
         const a = msg.content.replace('머핀아', '')
         let r = rows[Math.floor(Math.random() * rows.length)].text
diff --git a/src/Client.ts b/src/Client.ts
index b163750..29c88d1 100644
--- a/src/Client.ts
+++ b/src/Client.ts
@@ -1,29 +1,17 @@
-import { ActivityType, Client, GatewayIntentBits, Message } from 'discord.js'
+import { ActivityType, Client, Collection, GatewayIntentBits } from 'discord.js'
 import ChatBot from './ChatBot'
 import Dokdo from 'dokdo'
+import { readdirSync } from 'node:fs'
+import { join } from 'node:path'
+import Command from './Command'
+import noPerm from './noPerm'
 import 'dotenv/config'
 
-function noPerm(msg: Message) {
-  msg.reply({
-    content: '당신은 내 남자친구가 아니야!',
-    allowedMentions: {
-      repliedUser: false,
-      parse: [],
-      users: [],
-      roles: [],
-    },
-  })
-}
-
-function isNotOwner(msg: Message): boolean {
-  if (msg.author.id !== '415135882006495242') {
-    noPerm(msg)
-    return false
-  } else return true
-}
+const prefix = '멒힌아 '
 
 export default class MuffinAI extends Client {
-  private chatBot = new ChatBot()
+  public chatBot = new ChatBot()
+  private modules: Collection<string, Command> = new Collection()
   public constructor() {
     super({
       intents: [
@@ -36,47 +24,40 @@ export default class MuffinAI extends Client {
 
   public override login(): Promise<string> {
     this.chatBot.train(this)
+
+    readdirSync(join(__dirname, 'Commands')).forEach(file => {
+      const a = require(join(__dirname, 'Commands', file))
+      const b: Command = new a.default()
+      this.modules.set(b.name, b)
+    })
+
     this.once('ready', client => {
       client.user!.setActivity({
         type: ActivityType.Playing,
         name: 'ㅅ살려주세요..!',
       })
       console.log(`먹힐 준비 완료`)
-    }).on('messageCreate', msg => {
+    }).on('messageCreate', async msg => {
       if (msg.author.bot) return
-      new Dokdo(this, {
-        prefix: '멒힌아 ',
+      await new Dokdo(this, {
+        prefix,
         noPerm,
         aliases: ['테스트'],
         owners: ['415135882006495242'],
       }).run(msg)
       if (msg.content.startsWith('머핀아 ')) this.chatBot.getResponse(msg, true)
-      else if (msg.content.startsWith('멒힌아 봇꺼')) {
-        if (!isNotOwner(msg)) return
-        this.destroy()
-      } else if (msg.content.startsWith('멒힌아 모드변경')) {
-        if (!isNotOwner(msg)) return
-        switch (this.chatBot.trainType) {
-          case 'muffinOnly':
-            this.chatBot.trainType = 'All'
-            msg.channel.send('다음 모드로 변경: 전체 학습')
-            break
-          case 'All':
-            this.chatBot.trainType = 'muffinOnly'
-            msg.channel.send('다음 모드로 변경: 머핀만 학습')
-            break
-        }
-      } else if (msg.content.startsWith('멒힌아 현재모드')) {
-        if (!isNotOwner(msg)) return
-        switch (this.chatBot.trainType) {
-          case 'muffinOnly':
-            msg.channel.send('현재 모드: 머핀만 학습')
-            break
-          case 'All':
-            msg.channel.send('현재 모드: 전체 학습')
-            break
-        }
-      } else return
+      else if (msg.content.startsWith(prefix)) {
+        const args: string[] = msg.content
+          .slice(prefix.length)
+          .trim()
+          .split('/ +/g')
+
+        const command = this.modules.get(args.join(' '))
+        if (!command) return
+        if (command.noPerm && msg.author.id !== '415135882006495242')
+          return await noPerm(msg)
+        command.execute(msg, args)
+      }
     })
     return super.login()
   }
@@ -86,3 +67,9 @@ export default class MuffinAI extends Client {
     super.destroy()
   }
 }
+
+declare module 'discord.js' {
+  interface Client {
+    chatBot: ChatBot
+  }
+}
diff --git a/src/Command.ts b/src/Command.ts
new file mode 100644
index 0000000..aac9eb1
--- /dev/null
+++ b/src/Command.ts
@@ -0,0 +1,6 @@
+import { Message } from 'discord.js'
+
+export default abstract class Command {
+  protected constructor(public name: string, public noPerm: boolean = false) {}
+  public abstract execute(msg: Message, args: string[]): any
+}
diff --git a/src/Commands/모드변경.ts b/src/Commands/모드변경.ts
new file mode 100644
index 0000000..a1801ee
--- /dev/null
+++ b/src/Commands/모드변경.ts
@@ -0,0 +1,20 @@
+import Command from '../Command'
+import { type Message } from 'discord.js'
+
+export default class extends Command {
+  public constructor() {
+    super('모드변경', true)
+  }
+  public async execute(msg: Message, args: string[]) {
+    switch (msg.client.chatBot.trainType) {
+      case 'muffinOnly':
+        msg.client.chatBot.trainType = 'All'
+        msg.channel.send('다음 모드로 변경: 전체 학습')
+        break
+      case 'All':
+        msg.client.chatBot.trainType = 'muffinOnly'
+        msg.channel.send('다음 모드로 변경: 머핀만 학습')
+        break
+    }
+  }
+}
diff --git a/src/Commands/봇꺼.ts b/src/Commands/봇꺼.ts
new file mode 100644
index 0000000..59fdc7d
--- /dev/null
+++ b/src/Commands/봇꺼.ts
@@ -0,0 +1,13 @@
+import Command from '../Command'
+import { type Message } from 'discord.js'
+
+export default class extends Command {
+  public constructor() {
+    super('봇꺼', true)
+  }
+  public execute(msg: Message, args: string[]) {
+    msg.channel.send('ㅇㅇ').finally(() => {
+      msg.client.destroy()
+    })
+  }
+}
diff --git a/src/Commands/학습데이터량.ts b/src/Commands/학습데이터량.ts
new file mode 100644
index 0000000..a3792ad
--- /dev/null
+++ b/src/Commands/학습데이터량.ts
@@ -0,0 +1,21 @@
+import Command from '../Command'
+import { type Message } from 'discord.js'
+
+export default class extends Command {
+  public constructor() {
+    super('학습데이터량')
+  }
+  public execute(msg: Message, args: string[]) {
+    msg.client.chatBot.db.all().then(rows => {
+      const user: any[] = []
+      const muffin: any[] = []
+      rows.forEach(row => {
+        if (row.persona === 'muffin') muffin.push(row)
+        else user.push(row)
+      })
+      msg.channel.send(
+        `머핀 데이터: ${muffin.length}개\n유저 데이터: ${user.length}개`
+      )
+    })
+  }
+}
diff --git a/src/Commands/현재모드.ts b/src/Commands/현재모드.ts
new file mode 100644
index 0000000..7c1a837
--- /dev/null
+++ b/src/Commands/현재모드.ts
@@ -0,0 +1,18 @@
+import { type Message } from 'discord.js'
+import Command from '../Command'
+
+export default class extends Command {
+  public constructor() {
+    super('현재모드')
+  }
+  public execute(msg: Message, args: string[]) {
+    switch (msg.client.chatBot.trainType) {
+      case 'muffinOnly':
+        msg.channel.send('현재 모드: 머핀만 학습')
+        break
+      case 'All':
+        msg.channel.send('현재 모드: 전체 학습')
+        break
+    }
+  }
+}
diff --git a/src/Database.ts b/src/Database.ts
index e51e115..b96aa7a 100644
--- a/src/Database.ts
+++ b/src/Database.ts
@@ -12,15 +12,15 @@ interface ResponseData {
 }
 
 export default class Database {
-  private db: sqlite3.Database
+  private sqliteDB: sqlite3.Database
   public constructor(dbPath: string) {
-    this.db = new sqlite3.Database(dbPath)
+    this.sqliteDB = new sqlite3.Database(dbPath)
   }
 
-  public get(): Promise<ResponseData[]> {
+  public all(): Promise<ResponseData[]> {
     return new Promise((resolve, reject) => {
-      this.db.serialize(() => {
-        this.db.all('SELECT * FROM statement;', (err, rows) => {
+      this.sqliteDB.serialize(() => {
+        this.sqliteDB.all('SELECT * FROM statement;', (err, rows) => {
           if (err) reject(err)
           resolve([...rows])
         })
@@ -33,10 +33,10 @@ export default class Database {
     params: any[],
     callBack: (err: Error | null) => void
   ) {
-    this.db.run(sql, params, callBack)
+    this.sqliteDB.run(sql, params, callBack)
   }
 
   public close() {
-    this.db.close()
+    this.sqliteDB.close()
   }
 }
diff --git a/src/noPerm.ts b/src/noPerm.ts
new file mode 100644
index 0000000..49ffdb5
--- /dev/null
+++ b/src/noPerm.ts
@@ -0,0 +1,13 @@
+import { type Message } from 'discord.js'
+
+export default async function noPerm(msg: Message) {
+  await msg.reply({
+    content: '당신은 내 남자친구가 아니야!',
+    allowedMentions: {
+      repliedUser: false,
+      parse: [],
+      users: [],
+      roles: [],
+    },
+  })
+}
diff --git a/tests/Database.test.ts b/tests/Database.test.ts
index b939422..e810d3e 100644
--- a/tests/Database.test.ts
+++ b/tests/Database.test.ts
@@ -15,28 +15,32 @@ describe('Test Database', () => {
 
   test('Get rows', () => {
     getData().then(async rows =>
-      expect(await new Database(DBPATH).get()).toEqual(rows)
+      expect(await new Database(DBPATH).all()).toEqual(rows)
     )
   })
 
   test('Insert row', () => {
     const db = new Database(DBPATH)
-    return db.get().then(async data1 => {
-      db.run('INSERT INTO statement(text) VALUES(?)', ['TEST'], err => {
-        if (err) throw err
-      })
-      const data2 = await db.get()
+    return db.all().then(async data1 => {
+      db.run(
+        'INSERT INTO statement(id, text) VALUES(?, ?)',
+        [++data1[data1.length - 1].id, 'TEST'],
+        err => {
+          if (err) throw err
+        }
+      )
+      const data2 = await db.all()
       expect(data1[data1.length - 1]).not.toEqual(data2[data2.length - 1])
     })
   })
 
   test('Delete row', () => {
     const db = new Database(DBPATH)
-    return db.get().then(async data1 => {
+    return db.all().then(async data1 => {
       db.run('DELETE FROM statement WHERE text=?;', ['TEST'], err => {
         if (err) throw err
       })
-      const data2 = await db.get()
+      const data2 = await db.all()
       expect(data1[data1.length - 1]).not.toEqual(data2[data2.length - 1])
     })
   })