等级限制，用户配额无法添加超过默认值

<img width="925" height="242" alt="Image" src="https://github.com/user-attachments/assets/2530255a-7f0a-470c-89ac-93bc79a60621" />

<img width="2179" height="664" alt="Image" src="https://github.com/user-attachments/assets/76261f98-01b2-467c-94fa-69b899019167" />

等级限制，用户配额无法添加超过默认值

用户等级-最大磁盘保存为102400