update README: reorder FlagOS and model download steps

README.md

@@ -63,19 +63,19 @@ FlagEval (Libra)** is a comprehensive evaluation system and open platform for la
 
 ## Operation Steps
 
-### Download Open-source Model Weights
+### Download FlagOS Image
 
+BE AWARE!, Hygon's FLAGOS image have not decided public-accesible through internet or not. To obtain this image, you can contact us or hygon through issues.
 ```bash
-pip install modelscope
-modelscope download --model LLM-Research/phi-4 --local_dir /share/phi-4
-
+docker pull harbor.baai.ac.cn/flagrelease-inner/flagrelease-hygon-release-model_phi-4-tree_none-gems_3.0-scale_0.8.0-cx_none-python_3.10.12-torch_2.4.1_das.opt2.dtk2504-pcp_dtk-25.04-gpu_hygon001-arc_amd64-driver_6.3.13-v1.12.0a:2509011036
 ```
 
-### Download FlagOS Image
+### Download Open-source Model Weights
 
-BE AWARE!, Hygon's FLAGOS image have not decided public-accesible through internet or not. To obtain this image, you can contact us or hygon through issues.
 ```bash
-docker pull harbor.baai.ac.cn/flagrelease-inner/flagrelease-hygon-release-model_phi-4-tree_none-gems_3.0-scale_0.8.0-cx_none-python_3.10.12-torch_2.4.1_das.opt2.dtk2504-pcp_dtk-25.04-gpu_hygon001-arc_amd64-driver_6.3.13-v1.12.0a:2509011036
+pip install modelscope
+modelscope download --model LLM-Research/phi-4 --local_dir /share/phi-4
+
 ```
 
 ### Start the inference service
@@ -111,7 +111,6 @@ flagscale serve phi_4
 
 ```
 
-
 ## Service Invocation
 
 ### API-based Invocation Script
@@ -166,9 +165,7 @@ 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LLM-Research/phi-4，以apache2.0协议https://www.apache.org/licenses/LICENSE-2.0.txt开源。
 
-