"lora_config": {
    "lora_rank": 32,             # 不变
    "lora_alpha": 8,           # 下调一档
},
"training_params": {
    "learning_rate": 0.00003,      # 降低学习率
    "batch_size": 12,           # 增大20-50%
    "epochs": 2,                # 减少epoch避免过拟合
    "warmup_step_rate": 0.1,   # 不变
}