物流通 · Logistics LoRA for Qwen2.5-7B-Instruct

物流行业智能助手的 LoRA 适配器(PEFT 格式)。配合知识库检索与业务工具使用,覆盖客服问答、单据/地址抽取、路径调度、行业知识四类场景。

  • 基座:Qwen/Qwen2.5-7B-Instruct
  • LoRA:r=8,alpha=160,作用于后 16 层的 q/k/v/o/gate/up/down
  • 训练:mlx_lm LoRA 200 步,1435 条合成样本(工具轨迹由真实工具执行生成,知识问答由教师模型生成,训练 prompt 与线上一致:含检索上下文与工具定义)
  • 评测:项目自带 20 例规则评测,基座 0.825 → LoRA 0.880(抽取任务 0 → 0.8)

使用

from transformers import AutoModelForCausalLM, AutoTokenizer
from peft import PeftModel

base = "Qwen/Qwen2.5-7B-Instruct"
tok = AutoTokenizer.from_pretrained(base)
model = AutoModelForCausalLM.from_pretrained(base, dtype="auto", device_map="auto")
model = PeftModel.from_pretrained(model, "zhatrix/logistics-qwen-lora")

模型以 Qwen chat template 的工具调用格式工作(tools 传入模板,输出 <tool_call>…</tool_call>)。在线演示:https://huggingface.co/spaces/zhatrix/logistics-llm | ModelScope 镜像:https://www.modelscope.cn/models/zh4trix/logistics-qwen-lora | 完整应用见 GitHub:https://github.com/zhatrix/logicLLM

局限

  • 演示用途;运单/网点等数据为模拟数据。
  • 7B 模型数值比较偏弱(如"53 度 vs 70%");未指明服务类型时可能自行假设。
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