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 deepseek-ai/DeepSeek-V3.2-Exp --local_dir /share/DeepSeek-V3.2-Exp
-
+docker pull harbor.baai.ac.cn/flagrelease-public/flagrelease_nvidia_ds32
 ```
 
-### Download FlagOS Image
+### Download Open-source Model Weights
 
 ```bash
-docker pull harbor.baai.ac.cn/flagrelease-public/flagrelease_nvidia_ds32
+pip install modelscope
+modelscope download --model deepseek-ai/DeepSeek-V3.2-Exp --local_dir /share/DeepSeek-V3.2-Exp
+
 ```
 
 ### Start the inference service
@@ -91,7 +91,6 @@ flagscale serve deepseek_3.2_exp
 
 ```
 
-
 ## Service Invocation
 
 ### API-based Invocation Script
@@ -146,7 +145,6 @@ 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deepseek-ai/DeepSeek-V3.2-Exp，以apache2.0协议https://www.apache.org/licenses/LICENSE-2.0.txt开源。