Update README.md

README.md

@@ -93,6 +93,7 @@ cd ../
 ```bash
 git clone https://github.com/FlagOpen/FlagScale.git
 cd FlagScale
+# please set the name and email in git config in advance, for example: git config --global user.name "your_name"; git config --global user.email "your_email"
 python tools/patch/unpatch.py --device-type metax_C550 --commit-id 57637057  --dir build
 cd build/metax_C550/FlagScale/vllm
 source env.sh