Added older versions of the classic theme.

app/Providers/ViewServiceProvider.php

@@ -3,6 +3,7 @@
 namespace App\Providers;
 
 use App\View\Composers\MallComposer;
+use App\View\Composers\ThemeComposer;
 use Illuminate\Support\Facades;
 use Illuminate\Support\ServiceProvider;
 
@@ -21,6 +22,7 @@ class ViewServiceProvider extends ServiceProvider
      */
     public function boot(): void
     {
+        Facades\View::composer('layouts.app', ThemeComposer::class);
         Facades\View::composer('layouts.mall', MallComposer::class);
     }
 }

app/View/Composers/ThemeComposer.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\View\Composers;
+
+use Illuminate\View\View;
+
+class ThemeComposer
+{
+    /**
+     * Bind data to the view.
+     */
+    public function compose(View $view): void
+    {
+        $view->with('theme', 'classic');
+        $view->with('subTheme', 'normal');
+    }
+}