Facing Error – php artisan serve not working in Laravel

This is Ahmad Raza.

I am trying to view my website on localhost but when i run php artisan serve command I’m facing this error.

In Connection.php line 664:
SQLSTATE[HY000] [1045] Access denied for user ‘imperial_main’@’localhost’ (using password: NO) (SQL: selec
t * from redirections where from = http://127.0.0.1/ limit 1)
In Exception.php line 18:
SQLSTATE[HY000] [1045] Access denied for user ‘imperial_main’@’localhost’ (using password: NO)
In PDOConnection.php line 40:
SQLSTATE[HY000] [1045] Access denied for user ‘imperial_main’@’localhost’ (using password: NO)
PS D:xampp7.1.3htdocsbackup-imperialride_ae>

My .env file

APP_NAME=Laravel
APP_ENV=local
APP_KEY==
APP_DEBUG=true
APP_URL=http://localhost

LOG_CHANNEL=stack

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=test
DB_USERNAME=test
DB_PASSWORD=8mVNzfHR~*@s

BROADCAST_DRIVER=log
CACHE_DRIVER=file
QUEUE_CONNECTION=sync
SESSION_DRIVER=file
SESSION_LIFETIME=120

REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null
REDIS_PORT=6379

My database

I want to view my website on localhost. plz, help me to figure out this problem and guide me on how can i solve this. I’ll be very thankful to you