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Update README.md 

lora加载详细步骤参考
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Zhi-guo Huang 2023-08-22 23:53:29 +08:00 committed by GitHub
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@ -298,24 +298,13 @@ $ python server/llm_api_shutdown.py --serve all
亦可单独停止一个 FastChat 服务模块，可选 [`all`, `controller`, `model_worker`, `openai_api_server`]
##### 5.1.3 PEFT 加载
##### 5.1.3 PEFT 加载(包括lora,p-tuning,prefix tuning, prompt tuning,ia等)
本项目基于 FastChat 加载 LLM 服务，故需以 FastChat 加载 PEFT 路径，即保证路径名称里必须有 peft 这个词，配置文件的名字为 adapter_config.json，peft 路径下包含 model.bin 格式的 PEFT 权重。
详细步骤参考[加载lora微调后模型失效](https://github.com/chatchat-space/Langchain-Chatchat/issues/1130#issuecomment-1685291822)
示例代码如下：
![image](https://github.com/chatchat-space/Langchain-Chatchat/assets/22924096/4e056c1c-5c4b-4865-a1af-859cd58a625d)
```shell
PEFT_SHARE_BASE_WEIGHTS=true python3 -m fastchat.serve.multi_model_worker \
--model-path /data/chris/peft-llama-dummy-1 \
--model-names peft-dummy-1 \
--model-path /data/chris/peft-llama-dummy-2 \
--model-names peft-dummy-2 \
--model-path /data/chris/peft-llama-dummy-3 \
--model-names peft-dummy-3 \
--num-gpus 2
```
详见 [FastChat 相关 PR](https://github.com/lm-sys/fastchat/pull/1905#issuecomment-1627801216)
#### 5.2 启动 API 服务