jinghan-turtle

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请问运行roslaunch wpr_simulation wpb_simple.launch 命令后打开的场景没有机器人和书架该怎么解决？

![2024-08-01 11-09-27 的屏幕截图](https://github.com/user-attachments/assets/b90e32a9-65d7-4a6f-9ab8-2d93502708c6) 同，我也有这个问题诶（悲）

RuntimeError: CUDA error: invalid device ordinal (only 1 GPU in my system, how to resolve)

![Screenshot from 2024-10-04 22-22-11](https://github.com/user-attachments/assets/a95eb2ea-5585-4822-b2ff-7b0ca3f97a76) I ran into the same problem, but actually, you just need to modify the train_gpu parameter in the .yaml and all will be fine.