public function run()
 {
     Model::unguard();
     DB::table('groups')->truncate();
     Group::create(['id' => 1, 'name' => 'administrador', 'permission' => '', 'status' => '1']);
     Group::create(['id' => 2, 'name' => 'cliente', 'permission' => '', 'status' => '1']);
     $sections = \Pronueva_back\Section::Active();
     foreach ($sections as $section) {
         $a[$section->code] = 1;
         $section_child = \Pronueva_back\Section::where('section_id', $section->id)->get();
         foreach ($section_child as $child) {
             $a[$child->code] = 1;
         }
     }
     $group = Group::find(1);
     $group->permission = json_encode($a);
     $group->save();
 }