diff --git a/src/Client.ts b/src/Client.ts
index 3f89f37..71751af 100644
--- a/src/Client.ts
+++ b/src/Client.ts
@@ -1,4 +1,10 @@
-import { ActivityType, Client, Collection, GatewayIntentBits } from 'discord.js'
+import {
+  ActivityType,
+  Client,
+  Collection,
+  GatewayIntentBits,
+  TextChannel,
+} from 'discord.js'
 import { Command, noPerm, ChatBot } from './modules'
 import Dokdo from 'dokdo'
 import { readdirSync } from 'node:fs'
@@ -9,7 +15,7 @@ const prefix = '멒힌아 '
 
 export default class MuffinAI extends Client {
   public chatBot = new ChatBot()
-  private modules: Collection<string, Command> = new Collection()
+  #modules: Collection<string, Command> = new Collection()
   public constructor() {
     super({
       intents: [
@@ -26,7 +32,7 @@ export default class MuffinAI extends Client {
     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.#modules.set(b.name, b)
     })
 
     this.once('ready', client => {
@@ -44,18 +50,21 @@ export default class MuffinAI extends Client {
         owners: ['415135882006495242'],
       }).run(msg)
       if (msg.content.startsWith('머핀아 ')) {
-        msg.channel.sendTyping()
-        setTimeout(
-          async () => msg.channel.send(await this.chatBot.getResponse(msg)),
-          1000
-        )
+        if (msg.channel instanceof TextChannel) {
+          if (msg.channel.nsfw) return
+          await msg.channel.sendTyping()
+          setTimeout(
+            async () => msg.channel.send(await this.chatBot.getResponse(msg)),
+            1000
+          )
+        }
       } else if (msg.content.startsWith(prefix)) {
         const args: string[] = msg.content
           .slice(prefix.length)
           .trim()
           .split('/ +/g')
 
-        const command = this.modules.get(args.toString())
+        const command = this.#modules.get(args.toString())
         if (!command) return
         if (command.noPerm && msg.author.id !== '415135882006495242')
           return await noPerm(msg)
diff --git a/src/modules/ChatBot.ts b/src/modules/ChatBot.ts
index 4451bb5..388717f 100644
--- a/src/modules/ChatBot.ts
+++ b/src/modules/ChatBot.ts
@@ -4,15 +4,7 @@ import Database from './Database'
 type TrainType = 'muffinOnly' | 'All'
 
 export default class ChatBot {
-  get trainType(): TrainType {
-    return this._trainType
-  }
-
-  set trainType(value: TrainType) {
-    this._trainType = value
-  }
   public db = new Database(process.env.DB_PATH!)
-  private _trainType: TrainType = 'muffinOnly'
 
   public async getResponse(msg: Message): Promise<string> {
     const request = msg.content.replace('머핀아 ', '')
@@ -21,16 +13,6 @@ export default class ChatBot {
     if (!response) response = '살ㄹ려주세요'
     console.log(`⌨️ㅣ${request}`)
     console.log(`🍰ㅣ${response}`)
-    // .then(rows => {
-    //   const request = msg.content.replace('머핀아 ', '')
-    //   response = rows[Math.floor(Math.random() * rows.length)].text
-    //   if (!response) response = '살ㄹ려주세요'
-    //   if (sendMsg) {
-    //     msg.channel.sendTyping()
-    //     setTimeout(() => msg.channel.send(response), 1000)
-    //   }
-    // })
-    // .catch(console.error)
     return response
   }
 
diff --git a/src/modules/Database.ts b/src/modules/Database.ts
index dbef264..4b7da22 100644
--- a/src/modules/Database.ts
+++ b/src/modules/Database.ts
@@ -12,16 +12,16 @@ interface ResponseData {
 }
 
 export default class Database {
-  private sqliteDB: sqlite3.Database
+  #sqliteDB: sqlite3.Database
   public constructor(dbPath: string) {
     const a = sqlite3.verbose()
-    this.sqliteDB = new a.Database(dbPath)
+    this.#sqliteDB = new a.Database(dbPath)
   }
 
   public all(): Promise<ResponseData[]> {
     return new Promise((resolve, reject) => {
-      this.sqliteDB.serialize(() => {
-        this.sqliteDB.all('SELECT * FROM statement;', (err, rows) => {
+      this.#sqliteDB.serialize(() => {
+        this.#sqliteDB.all('SELECT * FROM statement;', (err, rows) => {
           if (err) reject(err)
           resolve([...rows])
         })
@@ -34,10 +34,10 @@ export default class Database {
     params: any[],
     callBack: (err: Error | null) => void
   ) {
-    this.sqliteDB.run(sql, params, callBack)
+    this.#sqliteDB.run(sql, params, callBack)
   }
 
   public close() {
-    this.sqliteDB.close()
+    this.#sqliteDB.close()
   }
 }
diff --git a/tsconfig.json b/tsconfig.json
index 31ad7be..deb77a8 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -11,7 +11,7 @@
     // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
 
     /* Language and Environment */
-    "target": "es2021",
+    "target": "es2022",
     /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
     // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
     // "jsx": "preserve",                                /* Specify what JSX code is generated. */