销售分类新增时传参错误或后端校验不严格

<img width="1030" height="251" alt="Image" src="https://github.com/user-attachments/assets/107cf30b-7bc7-4098-9110-75ed756e55a6" />

传参不应是空字符串，或者后端应该做更严格的校验。否则会因为传空字符存库而报错