diff --git a/package.json b/package.json
index d8479c6..fed095b 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,6 @@
   "license": "MIT",
   "dependencies": {
     "discord.js": "^14.7.1",
-    "dokdo": "^0.6.2",
     "dotenv": "^16.0.3",
     "mysql2": "^3.1.0"
   },
@@ -13,6 +12,7 @@
     "@migan/prettier-config": "^1.0.0",
     "@types/jest": "^29.4.0",
     "@types/node": "^18.11.18",
+    "cross-env": "^7.0.3",
     "jest": "^29.4.0",
     "prettier": "^2.8.3",
     "ts-jest": "^29.0.5",
@@ -22,8 +22,8 @@
   },
   "scripts": {
     "build": "tsup",
-    "dev": "ts-node src",
-    "start": "node dist",
+    "dev": "cross-env NODE_ENV=development ts-node src",
+    "start": "cross-env NODE_ENV=production node dist",
     "test": "jest"
   },
   "prettier": "@migan/prettier-config"
diff --git a/src/Client.ts b/src/Client.ts
index 48e68db..778eb2a 100644
--- a/src/Client.ts
+++ b/src/Client.ts
@@ -5,8 +5,7 @@ import {
   GatewayIntentBits,
   TextChannel,
 } from 'discord.js'
-import { Command, noPerm, ChatBot } from './modules'
-import Dokdo from 'dokdo'
+import { Command, noPerm, ChatBot, NODE_ENV } from './modules'
 import { readdirSync } from 'node:fs'
 import { join } from 'node:path'
 import 'dotenv/config'
@@ -27,12 +26,14 @@ export default class MuffinAI extends Client {
   }
 
   public override login(): Promise<string> {
+    if (NODE_ENV === 'development') this.on('debug', console.info)
     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)
+      if (NODE_ENV === 'development') console.log(b.name)
     })
 
     this.once('ready', () => {
@@ -43,17 +44,15 @@ export default class MuffinAI extends Client {
       console.log(`먹힐 준비 완료`)
     }).on('messageCreate', async msg => {
       if (msg.author.bot) return
-      await new Dokdo(this, {
-        prefix,
-        noPerm,
-        aliases: ['테스트'],
-        owners: ['415135882006495242'],
-      }).run(msg)
       if (msg.content.startsWith('머핀아 ')) {
         if (msg.channel instanceof TextChannel) {
           if (msg.channel.nsfw) return
           await msg.channel.sendTyping()
-          await msg.channel.send(await this.chatBot.getResponse(msg))
+          this.chatBot //
+            .getResponse(msg)
+            .then(response => {
+              msg.channel.send(response)
+            })
         }
       } else if (msg.content.startsWith(prefix)) {
         if (msg.channel instanceof TextChannel) if (msg.channel.nsfw) return
@@ -61,12 +60,13 @@ export default class MuffinAI extends Client {
         const args: string[] = msg.content
           .slice(prefix.length)
           .trim()
-          .split('/ +/g')
-
-        const command = this.#modules.get(args.toString())
+          .split(/ +/g)
+        if (NODE_ENV === 'development') console.log(args)
+        const command = this.#modules.get(args.shift()!.toLowerCase())
         if (!command) return
         if (command.noPerm && msg.author.id !== '415135882006495242')
           return await noPerm(msg)
+
         command.execute(msg, args)
       }
     })
@@ -75,7 +75,6 @@ export default class MuffinAI extends Client {
 
   public override destroy() {
     super.destroy()
-    process.exit()
   }
 }
 
diff --git a/src/Commands/테스트.ts b/src/Commands/테스트.ts
new file mode 100644
index 0000000..1534c6c
--- /dev/null
+++ b/src/Commands/테스트.ts
@@ -0,0 +1,20 @@
+import { Command } from '../modules'
+import { Message } from 'discord.js'
+import { inspect } from 'node:util'
+
+export default class extends Command {
+  public constructor() {
+    super('테스트', true)
+  }
+  public async execute(msg: Message, args: string[]) {
+    if (!args) return msg.channel.send('전달받은 인자가 없습니다.')
+    try {
+      const a = eval(args.join(' '))
+      if (inspect(a) === `'${msg.client.token}'`)
+        return msg.channel.send('[discord_token]')
+      await msg.channel.send(`\`\`\`js\n${inspect(a)}\n\`\`\``)
+    } catch (err) {
+      await msg.channel.send(`\`\`\`js\n${err}\n\`\`\``)
+    }
+  }
+}
diff --git a/src/Commands/학습데이터량.ts b/src/Commands/학습데이터량.ts
index 97d39b6..07671ee 100644
--- a/src/Commands/학습데이터량.ts
+++ b/src/Commands/학습데이터량.ts
@@ -7,9 +7,9 @@ export default class extends Command {
   }
   public async execute(msg: Message, args: string[]) {
     const conn = await database.getConnection()
-    const [rows] = await conn.query('SELECT * FROM statement;')
+    const [rows] = await conn.query<ResponseData[]>('SELECT * FROM statement;')
     const muffin: ResponseData[] = []
-    ;(rows as ResponseData[]).forEach(row => {
+    rows.forEach(row => {
       if (row.persona === 'muffin') muffin.push(row)
       else return
     })
diff --git a/src/modules/ChatBot.ts b/src/modules/ChatBot.ts
index 6fadeee..4e92d55 100644
--- a/src/modules/ChatBot.ts
+++ b/src/modules/ChatBot.ts
@@ -1,42 +1,41 @@
 import type { Client, Message } from 'discord.js'
-import database, { ResponseData } from './Database'
+import database, { ResponseData } from './database'
 
 export default class ChatBot {
   public async getResponse(msg: Message): Promise<string> {
     const conn = await database.getConnection()
     const request = msg.content.replace('머핀아 ', '')
-    console.log(`⌨️ㅣ${request}`)
-    const [rows] = await conn.query('SELECT * FROM statement;')
-    let response = (rows as ResponseData[])[
-      Math.floor(Math.random() * (rows as ResponseData[]).length)
-    ].text
+    console.log(`req: ${request}`)
+    const [rows] = await conn.query<ResponseData[]>('SELECT * FROM statement;')
+    let response = rows[Math.floor(Math.random() * rows.length)].text
     if (!response) response = '살ㄹ려주세요'
-
-    console.log(`🍰ㅣ${response}`)
+    console.log(`res: ${response}`)
     conn.release()
     return response
   }
 
-  public async train(client: Client): Promise<ChatBot> {
+  public train(client: Client): ChatBot {
     client.on('messageCreate', async msg => {
-      const conn = await database.getConnection()
       if (msg.author.bot) return
-      if (msg.author.id !== '1026185545837191238') return
-      const response = this.getResponse(msg)
-      const result = await conn.query('SELECT * FROM statement;')
-      const rows = result[0] as ResponseData[]
-      await conn.beginTransaction()
-      try {
-        await conn.execute(
-          `INSERT INTO statement(id, text, persona, in_response_to) VALUES(?, ?, ?, ?);`,
-          [++rows[rows.length - 1].id, msg.content, 'muffin', response]
+      const conn = await database.getConnection()
+      if (msg.author.id === '1026185545837191238') {
+        const response = await this.getResponse(msg)
+        const [rows] = await conn.query<ResponseData[]>(
+          'SELECT * FROM statement;'
         )
-        await conn.commit()
-      } catch (err) {
-        console.log(err)
-        await conn.rollback()
-      } finally {
-        conn.release()
+        try {
+          await conn.beginTransaction()
+          await conn.execute(
+            'INSERT INTO statement (id, text, persona, in_response_to) VALUES (?, ?, ?, ?);',
+            [++rows[rows.length - 1].id, msg.content, 'muffin', response]
+          )
+          await conn.commit()
+        } catch (err) {
+          console.log(err)
+          await conn.rollback()
+        } finally {
+          conn.release()
+        }
       }
     })
     return this
diff --git a/src/modules/Database.ts b/src/modules/database.ts
similarity index 64%
rename from src/modules/Database.ts
rename to src/modules/database.ts
index 1629b56..8556595 100644
--- a/src/modules/Database.ts
+++ b/src/modules/database.ts
@@ -1,7 +1,7 @@
-import { createPool } from 'mysql2/promise'
+import { PoolOptions, createPool, RowDataPacket } from 'mysql2/promise'
 import 'dotenv/config'
 
-export interface ResponseData {
+export interface ResponseData extends RowDataPacket {
   id: number
   text: string
   search_text: string
@@ -12,10 +12,13 @@ export interface ResponseData {
   persona: string
 }
 
-export default createPool({
+export const config: PoolOptions = {
   host: process.env.MYSQL_HOST,
   user: process.env.MYSQL_USER,
   password: process.env.MYSQL_PASSWORD,
   database: process.env.MYSQL_DATABASE,
   port: (process.env.MYSQL_PORT as unknown as number) || 3306,
-})
+  enableKeepAlive: true,
+}
+
+export default createPool(config)
diff --git a/src/modules/env.ts b/src/modules/env.ts
new file mode 100644
index 0000000..cb301e8
--- /dev/null
+++ b/src/modules/env.ts
@@ -0,0 +1,5 @@
+type NODE_ENV_TYPE = 'production' | 'development' | string
+
+export const NODE_ENV: NODE_ENV_TYPE = process.env.NODE_ENV
+  ? process.env.NODE_ENV
+  : 'production'
diff --git a/src/modules/index.ts b/src/modules/index.ts
index 01f1aff..3ffcaf3 100644
--- a/src/modules/index.ts
+++ b/src/modules/index.ts
@@ -1,5 +1,6 @@
 import ChatBot from './ChatBot'
 import Command from './Command'
-import database, { ResponseData } from './Database'
+import database, { ResponseData, config } from './database'
 import noPerm from './noPerm'
-export { ChatBot, Command, database, noPerm, ResponseData }
+import { NODE_ENV } from './env'
+export { ChatBot, Command, database, noPerm, ResponseData, config, NODE_ENV }
diff --git a/tests/Database.test.ts b/tests/Database.test.ts
deleted file mode 100644
index ee06d4a..0000000
--- a/tests/Database.test.ts
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
-import Database from '../src/modules/Database'
-import sqlite3 from 'sqlite3'
-
-describe('Test Database', () => {
-  const DBPATH = `${__dirname}/../db/db.sqlite3`
-  const db = new sqlite3.Database(DBPATH)
-  const getData = () => {
-    return new Promise((resolve, reject) => {
-      db.all('SELECT * FROM statement;', async (err, rows) => {
-        if (err) reject(err)
-        resolve(rows)
-      }).close()
-    })
-  }
-
-  test('Get rows', () => {
-    getData().then(async rows =>
-      expect(await new Database(DBPATH).all()).toEqual(rows)
-    )
-  })
-
-  test('Insert row', () => {
-    const db = new Database(DBPATH)
-    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.all().then(async data1 => {
-      db.run('DELETE FROM statement WHERE text=?;', ['TEST'], err => {
-        if (err) throw err
-      })
-      const data2 = await db.all()
-      expect(data1[data1.length - 1]).not.toEqual(data2[data2.length - 1])
-    })
-  })
-})
-*/
diff --git a/tests/database.test.ts b/tests/database.test.ts
new file mode 100644
index 0000000..4c51fd3
--- /dev/null
+++ b/tests/database.test.ts
@@ -0,0 +1,13 @@
+import { database, config } from '../src/modules'
+import { createConnection } from 'mysql2/promise'
+
+describe('test database system', () => {
+  test('Validate rows', async () => {
+    return database.getConnection().then(async conn1 => {
+      const [rows1] = await conn1.query('SELECT * FROM statement;')
+      const conn2 = await createConnection(config)
+      const [rows2] = await conn2.query(`SELECT * FROM statement;`)
+      expect(rows1).toEqual(rows2)
+    })
+  })
+})
diff --git a/yarn.lock b/yarn.lock
index 50d1c19..4af7ab3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1135,7 +1135,14 @@ create-require@^1.1.0:
   resolved "https://registry.yarnpkg.com/create-require/-/create-require-1.1.1.tgz#c1d7e8f1e5f6cfc9ff65f9cd352d37348756c333"
   integrity sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==
 
-cross-spawn@^7.0.3:
+cross-env@^7.0.3:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
+  integrity sha512-+/HKd6EgcQCJGh2PSjZuUitQBQynKor4wrFbRg4DtAgS1aWO+gU52xpH7M9ScGgXSYmAVS9bIJ8EzuaGw0oNAw==
+  dependencies:
+    cross-spawn "^7.0.1"
+
+cross-spawn@^7.0.1, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
   integrity sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==
@@ -1211,13 +1218,6 @@ discord.js@^14.7.1:
     undici "^5.13.0"
     ws "^8.11.0"
 
-dokdo@^0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/dokdo/-/dokdo-0.6.2.tgz#1e276999f9230f0df54f561992f33a79044d31dc"
-  integrity sha512-o0m3SSFok+OOvX+Oh8hD17Gx4K/AXSeIv7nZtLPmjkUWDzXO4d4mgQK1s82PDy/QOkDEipV9mm5x8gUNoYHRqA==
-  dependencies:
-    node-fetch "^2.6.1"
-
 dotenv@^16.0.3:
   version "16.0.3"
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.0.3.tgz#115aec42bac5053db3c456db30cc243a5a836a07"
@@ -2311,13 +2311,6 @@ natural-compare@^1.4.0:
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==
 
-node-fetch@^2.6.1:
-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.8.tgz#a68d30b162bc1d8fd71a367e81b997e1f4d4937e"
-  integrity sha512-RZ6dBYuj8dRSfxpUSu+NsdF1dpPpluJxwOp+6IoDp/sH2QNDSvurYsAa+F1WxY2RjA1iP93xhcsUoYbF2XBqVg==
-  dependencies:
-    whatwg-url "^5.0.0"
-
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -2808,11 +2801,6 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
-tr46@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
-  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
-
 tree-kill@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
@@ -2942,24 +2930,11 @@ walker@^1.0.8:
   dependencies:
     makeerror "1.0.12"
 
-webidl-conversions@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
-  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
-
 webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
   integrity sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==
 
-whatwg-url@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
-  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
-  dependencies:
-    tr46 "~0.0.3"
-    webidl-conversions "^3.0.0"
-
 whatwg-url@^7.0.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-7.1.0.tgz#c2c492f1eca612988efd3d2266be1b9fc6170d06"