public function requireModel($model, &$data, $prefix = null)
    {
        $class = null;
        $name = (null !== $prefix) ? $prefix : substr($model, strlen(explode('_', $model)[0]) + 7);
        
        foreach ($this->array_prefix as $k => $ap) {
            if (strrpos($ap, $name) === (strlen($ap) - strlen($name))) {
                unset($this->array_prefix[$k]);
                $class = clone $this->container->get($model);
                $class->setPrefix($prefix);
                $class->setArrayPrefix($this->array_prefix);
                $class->setParentModel($this);
                $class->exchangeArray($data);
                if (! $class->Keep()) {
                    return new IsNull();
                }
                break;
            }
        }
        
        return $class;
    }