strlen

 /var/www/opencart/admin/controller/catalog

category.php    商品目錄
attribute.php   商品屬性
attribute_group.php   屬性分類

將下列3~64字元限制改成

     foreach ($this->request->post['attribute_description'] as $language_id => $value) {
              if ((utf8_strlen($value['name']) < 3) || (utf8_strlen($value['name']) > 64)) {
                $this->error['name'][$language_id] = $this->language->get('error_name');
              }

50字元以下

    foreach ($this->request->post['category_description'] as $language_id => $value) {
            if (utf8_strlen($value['name']) > 50)  {
                $this->error['name'][$language_id] = $this->language->get('error_name');
            }