fix typo

Former-commit-id: 23c0d36abe881d9be839d5c647841bdef178307b

README.md

@@ -9,7 +9,7 @@
 
 ## Changelog
 
-[23/06/29] We provide a reproducible example of training a chat model using instruction-following datasets, see this [HuggingFace Repo](https://huggingface.co/baichuan-inc/baichuan-7B) for details.
+[23/06/29] We provide a reproducible example of training a chat model using instruction-following datasets, see this [HuggingFace Repo](https://huggingface.co/hiyouga/baichuan-7b-sft) for details.
 
 [23/06/22] Now we align the [demo API](src/api_demo.py) with the [OpenAI's](https://platform.openai.com/docs/api-reference/chat) format where you can insert the fine-tuned model in arbitrary ChatGPT-based applications.
 

src/api_demo.py

@@ -10,6 +10,7 @@ import uvicorn
 from threading import Thread
 from pydantic import BaseModel, Field
 from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
 from contextlib import asynccontextmanager
 from transformers import TextIteratorStreamer
 from starlette.responses import StreamingResponse
@@ -34,6 +35,15 @@ async def lifespan(app: FastAPI): # collects GPU memory
 app = FastAPI(lifespan=lifespan)
 
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
 class ModelCard(BaseModel):
     id: str
     object: str = "model"