[Update] update readme

README.md

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-license: apache-2.0
-library_name: transformers
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 <div align="center">
   <picture>
-      <img src="stepfun-logo.png" width="30%" alt="StepFun: Cost-Effective Multimodal Intelligence">
+      <img src="figures/stepfun-logo.png" width="30%" alt="StepFun: Cost-Effective Multimodal Intelligence">
   </picture>
 </div>
 
@@ -330,10 +326,8 @@ Note: Parts of the evaluation results are reproduced using the same settings.
 †: Evaluation results of Gemini 2.5 Flash (thinking) may be lower than real model performance, especially on MathVision, due to insufficient instruction following ability. 
 ## Deployment
 
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-> You can access Step3's API on https://platform.stepfun.com/ , we provide OpenAI/Anthropic-compatible API for you.
->
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+> [!Note]
+> Step3's API is accessible at https://platform.stepfun.com/, where we offer OpenAI-compatible API for you.
 
 ### Inference with Hugging Face Transformers