I implement the Qwen3-VL model and run grpo_classification.py. However, my forward rewards are always 0, the format_reward function didn't revise.

The BBC, Screen Scotland and broadcast and digital training provider TRC, have come together in partnership to find the next entertainment format “to capture imaginations and get audiences talking.” ...

Abstract: The computing power network (CPN) has emerged as a promising networking paradigm in recent times. Since the characteristics of high bandwidth, low delay and high reliable communication, ...