config = LoraConfig(
    task_type=TaskType.CAUSAL_LM, 
    target_modules=["q_proj", "k_proj", "v_proj", "o_proj", "gate_proj", "up_proj", "down_proj"],
    inference_mode=False, # 训练模式
    r=64, # Lora 秩
    lora_alpha=128, # Lora alaph，具体作用参见 Lora 原理
    lora_dropout=0.1# Dropout 比例
)