diff --git a/scripts/create_table.sql b/scripts/create_table.sql
index c42a502..3ac2fb0 100755
--- a/scripts/create_table.sql
+++ b/scripts/create_table.sql
@@ -22,9 +22,10 @@ CREATE TABLE
 
 CREATE TABLE
     learn (
+        id int(11) NOT NULL,
         command varchar(255) NOT NULL,
         result varchar(255) NOT NULL,
         user_id varchar(255) NOT NULL,
         created_at datetime NOT NULL DEFAULT current_timestamp(),
-        primary key(`command`)
+        primary key(`id`)
     );
\ No newline at end of file
diff --git a/src/Commands/deleteLearn.ts b/src/Commands/deleteLearn.ts
index 4c7582a..9972c86 100644
--- a/src/Commands/deleteLearn.ts
+++ b/src/Commands/deleteLearn.ts
@@ -1,40 +1,13 @@
 import { Message } from 'discord.js'
-import { Command, LearnData } from '../modules'
+import { Command } from '../modules'
 
 export default class extends Command {
   public constructor() {
     super('삭제')
   }
   public async execute(msg: Message, args: string[]) {
-    if (!args[0]) {
-      return await msg.channel.send('```멒힌아 삭제 (지울 단어)```')
-    }
-    const db = await msg.client.chatBot.db.getConnection()
-    const command = args[0]
-    const [rows] = await db.execute<LearnData[]>(
-      'SELECT * FROM learn WHERE command = ?;',
-      [command],
+    msg.channel.send(
+      '현재는 사용할 수 없는 기능이예요. 만약 삭제를 원할 경우 개발자에게 문의해주세요.',
     )
-
-    if (!rows[0]) {
-      return await msg.channel.send('해당하는 걸 찾ㅈ을 수 없어요.')
-    }
-
-    if (rows[0].user_id !== msg.author.id) {
-      return await msg.channel.send(
-        '당신ㄴ은 해당 지식을 안가르ㄹ쳐 주셨ㅅ는데요?',
-      )
-    }
-
-    try {
-      await db.beginTransaction()
-      await db.execute('DELETE FROM learn WHERE command = ?;', [command])
-      await msg.channel.send('해당 단어를 삭ㄱ제했어요.')
-      await db.commit()
-    } catch (err) {
-      console.error(err)
-    } finally {
-      db.release()
-    }
   }
 }
diff --git a/src/Commands/learn.ts b/src/Commands/learn.ts
index 6e415b5..ad3182d 100644
--- a/src/Commands/learn.ts
+++ b/src/Commands/learn.ts
@@ -33,16 +33,6 @@ export default class extends Command {
       [command],
     )
 
-    if (learn[0]) {
-      if (msg.author.id !== learn[0].user_id) {
-        return msg.channel.send(
-          `해ㄷ당 단어는 이미 ${
-            (await msg.client.users.fetch(learn[0].user_id)).username
-          }님에게서 배웠어요.`,
-        )
-      }
-    }
-
     for (const ig of ignore) {
       if (command.includes(ig)) {
         return msg.channel.send('해ㄷ당 단어는 배울ㄹ 수 없어요.')
@@ -57,21 +47,11 @@ export default class extends Command {
 
     try {
       await db.beginTransaction()
-
-      if (learn[0] && msg.author.id === learn[0].user_id) {
-        await db.execute('UPDATE learn SET result = ? WHERE command = ?;', [
-          result,
-          command,
-        ])
-        await msg.channel.send(`${command}을/를 다시 배ㅂ웠어요.`)
-      } else {
-        await db.execute(
-          'INSERT INTO learn (command, result, user_id) VALUES (?, ?, ?);',
-          [command, result, msg.author.id],
-        )
-        await msg.channel.send(`${command}을/를 배웠ㅇ어요.`)
-      }
-
+      await db.execute(
+        'INSERT INTO learn (id, command, result, user_id) VALUES (?, ?, ?, ?);',
+        [++learn[learn.length - 1].id, command, result, msg.author.id],
+      )
+      await msg.channel.send(`${command}을/를 배웠ㅇ어요.`)
       await db.commit()
     } catch (err) {
       console.error(err)
diff --git a/src/Commands/list.ts b/src/Commands/list.ts
index 5a263bd..a8f51f2 100644
--- a/src/Commands/list.ts
+++ b/src/Commands/list.ts
@@ -33,7 +33,7 @@ export default class extends Command {
             list.map(item => `-  ${item}`).join('\n'),
           ),
           color: 0x0000ff,
-          timestamp: new Date().toISOString()
+          timestamp: new Date().toISOString(),
         },
       ],
     })
diff --git a/src/modules/ChatBot.ts b/src/modules/ChatBot.ts
index ec94e31..746c8f1 100644
--- a/src/modules/ChatBot.ts
+++ b/src/modules/ChatBot.ts
@@ -30,11 +30,22 @@ export default class ChatBot {
 
     if (a === 1) {
       if (learn[0]) {
-        if (args.startsWith(learn[0].command)) {
-          db.release()
-          return `${learn[0].result}\n\`${
-            (await msg.client.users.fetch(learn[0].user_id)).username
-          }님이 알려주셨어요.\``
+        if (learn[1]) {
+          if (args.startsWith(learn[0].command)) {
+            const response =
+              learn[Math.floor(Math.random() * learn.length)].result
+            db.release()
+            return `${response}\n\`${
+              (await msg.client.users.fetch(learn[0].user_id)).username
+            }님이 알려주셨어요.\``
+          }
+        } else {
+          if (args.startsWith(learn[0].command)) {
+            db.release()
+            return `${learn[0].result}\n\`${
+              (await msg.client.users.fetch(learn[0].user_id)).username
+            }님이 알려주셨어요.\``
+          }
         }
       }
     }
diff --git a/src/modules/database.ts b/src/modules/database.ts
index da19b7a..5648fc9 100644
--- a/src/modules/database.ts
+++ b/src/modules/database.ts
@@ -17,6 +17,7 @@ export interface ResponseData extends BaseData {
 }
 
 export interface LearnData extends RowDataPacket {
+  id: number
   command: string
   result: string
   user_id: Snowflake