diff --git a/db/shop.db b/db/shop.db
deleted file mode 100644
index 672dbc4..0000000
Binary files a/db/shop.db and /dev/null differ
diff --git a/src/config/database.js b/src/config/database.js
index ec9b8cc..e7a2e22 100644
--- a/src/config/database.js
+++ b/src/config/database.js
@@ -90,6 +90,7 @@ const initDb = async () => {
       CREATE TABLE IF NOT EXISTS users (
         id INTEGER PRIMARY KEY AUTOINCREMENT,
         telegram_id TEXT UNIQUE NOT NULL,
+        username TEXT,
         country TEXT,
         city TEXT,
         district TEXT,
diff --git a/src/handlers/adminUserHandler.js b/src/handlers/adminUserHandler.js
index 7afd89d..31ce1e2 100644
--- a/src/handlers/adminUserHandler.js
+++ b/src/handlers/adminUserHandler.js
@@ -31,7 +31,6 @@ export default class AdminUserHandler {
         GROUP BY u.id
         ORDER BY u.created_at DESC
       `);
-      
       if (users.length === 0) {
         await this.bot.sendMessage(msg.chat.id, 'No users registered yet.');
         return;
@@ -54,7 +53,7 @@ export default class AdminUserHandler {
       // Create inline keyboard with user list
       const keyboard = {
         inline_keyboard: users.map(user => [{
-          text: `ID: ${user.telegram_id} | Balance: $${user.total_balance || 0}`,
+          text: `ID: ${user.telegram_id} | Nickname: ${user.username? "@" + user.username: "None"} | Balance: $${user.total_balance || 0}`,
           callback_data: `view_user_${user.telegram_id}`
         }])
       };
diff --git a/src/handlers/userHandler.js b/src/handlers/userHandler.js
index 854eb10..6aa4b49 100644
--- a/src/handlers/userHandler.js
+++ b/src/handlers/userHandler.js
@@ -57,10 +57,11 @@ export default class UserHandler {
   async handleStart(msg) {
     const chatId = msg.chat.id;
     const userId = msg.from.id;
+    const username = msg.chat.username;
 
     try {
       // Create user profile
-      await User.create(userId);
+      await User.create(userId, username);
       
       const keyboard = {
         reply_markup: {
diff --git a/src/models/User.js b/src/models/User.js
index 4783763..9e1de17 100644
--- a/src/models/User.js
+++ b/src/models/User.js
@@ -1,7 +1,7 @@
 import db from '../config/database.js';
 
 export default class User {
-  static async create(telegramId) {
+  static async create(telegramId, username) {
     try {
       // First check if user exists
       const existingUser = await this.getById(telegramId);
@@ -14,8 +14,8 @@ export default class User {
 
       // Create new user
       const result = await db.runAsync(
-        'INSERT INTO users (telegram_id) VALUES (?)',
-        [telegramId.toString()]
+        'INSERT INTO users (telegram_id, username) VALUES (?, ?)',
+        [telegramId.toString(), username]
       );
 
       // Commit transaction