some fix

app/models/Database.php

@@ -1,22 +0,0 @@
-<?php
-namespace app\models;
-use Illuminate\Database\Capsule\Manager as Capsule;
-
-class Database {
-    public function __construct()
-    {
-        $capsule = new Capsule;
-        $capsule->addConnection([
-            'driver' => DBDRIVER,
-            'host' => DBHOST,
-            'database' => DBNAME,
-            'username' => DBUSER,
-            'password' => DBPASS,
-            'charset' => 'utf8',
-            'collation' => 'utf8_unicode_ci',
-            'prefix' => '',
-        ]);
-        // Setup the Eloquent ORM…
-        $capsule->bootEloquent();
-    }
-}

app/models/User.php

@@ -3,7 +3,7 @@ namespace app\models;
 use \Illuminate\Database\Eloquent\Model;
 
 class User extends Model {
-    protected $table = 'Users';
-    protected $fillable = ['username', 'email', 'password'];
+    protected $table = 'user';
+    protected $fillable = ['username', 'email', 'role'];
     protected $dates = ['deleted at'];
 }