update README: reorder FlagOS and model download steps

README.md

@@ -63,18 +63,18 @@ FlagEval (Libra)** is a comprehensive evaluation system and open platform for la
 
 ## Operation Steps
 
-### Download Open-source Model Weights
+### Download FlagOS Image
 
 ```bash
-pip install modelscope
-modelscope download --model FlagRelease/MiniMax-M2-FlagOS --local_dir /share/MiniMax-M2
-
+docker pull harbor.baai.ac.cn/flagrelease-public/flagrelease-nvidia-release-model_minimax-m2-tree_none-gems_3.0-scale_0.8.0-cx_none-python_3.12.3-torch_2.8.0a0_5228986c39.nv25.6-pcp_cuda12.9-gpu_nvidia003-arc_amd64-driver_570.158.01:2511041437
 ```
 
-### Download FlagOS Image
+### Download Open-source Model Weights
 
 ```bash
-docker pull harbor.baai.ac.cn/flagrelease-public/flagrelease-nvidia-release-model_minimax-m2-tree_none-gems_3.0-scale_0.8.0-cx_none-python_3.12.3-torch_2.8.0a0_5228986c39.nv25.6-pcp_cuda12.9-gpu_nvidia003-arc_amd64-driver_570.158.01:2511041437
+pip install modelscope
+modelscope download --model FlagRelease/MiniMax-M2-FlagOS --local_dir /share/MiniMax-M2
+
 ```
 
 ### Start the inference service
@@ -97,7 +97,6 @@ flagscale serve minimax
 
 ```
 
-
 ## Service Invocation
 
 ### API-based Invocation Script
@@ -154,7 +153,6 @@ We warmly welcome global developers to join us:
 3. Improve technical documentation
 4. Expand hardware adaptation support
 
-
 # License
 
 本模型的权重来源于MiniMax/MiniMax-M2，以apache2.0协议https://www.apache.org/licenses/LICENSE-2.0.txt开源。