登陆后台时提示数据库不允许操作

CRITICAL - 2020-05-16 16:49:29 --> Access denied for user '****'@'localhost' (using password: YES)
# http://www.18html.com/admC1025.php?c=login&m=index&go=http%253A%252F%252Fwww.18html.com%252FadmC1025.php
# 
#0 D:\123www\www.18html.com\dayrui\System\Database\BaseConnection.php(377): CodeIgniter\Database\MySQLi\Connection->connect(false)
#1 D:\123www\www.18html.com\dayrui\System\Database\BaseConnection.php(643): CodeIgniter\Database\BaseConnection->initialize()
#2 D:\123www\www.18html.com\dayrui\System\Database\BaseBuilder.php(1819): CodeIgniter\Database\BaseConnection->query('SELECT `passwor...', Array, false)
#3 D:\123www\www.18html.com\dayrui\Fcms\Model\Auth.php(122): CodeIgniter\Database\BaseBuilder->get()
#4 D:\123www\www.18html.com\dayrui\Core\Controllers\Admin\Login.php(38): Phpcmf\Model\Auth->login('admin', 'ccr1025aa')
#5 D:\123www\www.18html.com\dayrui\System\CodeIgniter.php(910): Phpcmf\Controllers\Admin\Login->index()
#6 D:\123www\www.18html.com\dayrui\System\CodeIgniter.php(398): CodeIgniter\CodeIgniter->runController(Object(Phpcmf\Controllers\Admin\Login))
#7 D:\123www\www.18html.com\dayrui\System\CodeIgniter.php(306): CodeIgniter\CodeIgniter->handleRequest(NULL, Object(Config\Cache), false)
#8 D:\123www\www.18html.com\dayrui\Fcms\Init.php(329): CodeIgniter\CodeIgniter->run()
#9 D:\123www\www.18html.com\index.php(45): require('D:\\123www\\www.1...')
#10 D:\123www\www.18html.com\admC1025.php(9): require('D:\\123www\\www.1...')
#11 {main}

服务器文件下载到本地，数据库也对应修改为本地

域名也修改了hosts 为127.0.0.1

但是登陆后台时提示数据库不允许操作？

请问老大这个是什么一个情况？