my changes

app/Http/Controllers/Auth/LoginController.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Http\Controllers\Auth;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Foundation\Auth\AuthenticatesUsers;
+use Illuminate\Http\Request;
+
+class LoginController extends Controller
+{
+    /*
+    |--------------------------------------------------------------------------
+    | Login Controller
+    |--------------------------------------------------------------------------
+    |
+    | This controller handles authenticating users for the application and
+    | redirecting them to your home screen. The controller uses a trait
+    | to conveniently provide its functionality to your applications.
+    |
+    */
+
+    use AuthenticatesUsers;
+
+    /**
+     * Where to redirect users after login.
+     *
+     * @var string
+     */
+    protected $redirectTo = '/';
+
+    /**
+     * Create a new controller instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        $this->middleware('guest', ['except' => 'logout']);
+    }
+
+    public function logout(Request $request)
+    {
+        $this->guard()->logout();
+
+        $request->session()->flush();
+
+        $request->session()->regenerate();
+
+        return redirect('/');
+    }
+}