update README: reorder FlagOS and model download steps

README.md

@@ -63,19 +63,19 @@ Requested by Iluvatar, the file of docker image and model files should be applie
 
 ## 📌 Getting Started
 
-### Download open-source weights
+### Download the FlagOS image
 
 ```
-pip install modelscope
-modelscope download --model deepseek-ai/DeepSeek-R1 --local_dir /mnt/share/DeepSeek-R1
+docker pull baai:v5
 ```
-contact services@iluvatar.comContact to obtain the quanted weights
 
-### Download the FlagOS image
+### Download open-source weights
 
 ```
-docker pull baai:v5
+pip install modelscope
+modelscope download --model deepseek-ai/DeepSeek-R1 --local_dir /mnt/share/DeepSeek-R1
 ```
+contact services@iluvatar.comContact to obtain the quanted weights
 
 ### Start the inference service