refactor(controller): instantiate model class instead of assigning model name

- Change {{modelFilename}}::class to new {{modelFilename}}() in controller constructor- This modification allows direct access to model properties and methods

app/admin/controller/mall/Goods.php

@@ -24,7 +24,7 @@ class Goods extends AdminController
     public function __construct(App $app)
     {
         parent::__construct($app);
-        self::$model = MallGoods::class;
+        self::$model = new MallGoods();
         $this->assign('cate', MallCate::column('title', 'id'));
     }
 

app/admin/service/curd/templates/controller/controller.code

@@ -16,7 +16,7 @@ class {{controllerName}} extends AdminController
     public function __construct(App $app)
     {
         parent::__construct($app);
-        self::$model = {{modelFilename}}::class;
+        self::$model = new {{modelFilename}}();
         $notes = self::$model::$notes;
         {{constructRelation}}
         $this->notes =$notes;