### 问题确认 Search before asking - [x] 我已经搜索过问题,但是没有找到解答。I have searched the question and found no related answer. ### 请提出你的问题 Please ask your question 1. loss_all在定义时定义为0.0但是后续用到的却是loss_all[0] 2. 进行分割后的CT数据标签通通为null且图像为空 <img width="1256" height="923" alt="Image" src="https://github.com/user-attachments/assets/4deb4287-f989-488c-8491-fefdb1f07664" />