Checklist

• 1. I have searched the existing issues (https://gitcode.com/mindspore/hyper-parallel/issues)
• 2. I have read the relevant documentation.
• 3. I have created a minimal reproduction case that clearly demonstrates the issue, including a complete code example and the error message with full traceback and error logs.

🐛 Describe the bug

rl场景使能param_offload，会调用.to执行npu->cpu、cpu->npu的拷贝，发现存在精度问题（训练结果崩溃 梯度爆炸），不使能param_offload精度正常

Expected behavior

rl场景使能param_offload精度正常

Additional context

Environment info

Atlas A2/CANN 8.5

Thanks for contributing 🎉!