Update README.md

README.md

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-  <img src="https://github.com/stepfun-ai/Step-3.5-Flash/blob/main/assets/stepfun.svg" width="25" style="margin-right: 10px;"/>
+  <img src="stepfun.svg" width="25" style="margin-right: 10px;"/>
   <h1 style="margin: 0; border-bottom: none;">Step-3.5-Flash</h1>
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 Step 3.5 Flash delivers performance parity with leading closed-source systems while remaining open and efficient.
 
-![](https://github.com/stepfun-ai/Step-3.5-Flash/blob/main/assets/step-bar-chart.png)
+![](step-bar-chart.png)
 
 Performance of Step 3.5 Flash measured across **Reasoning**, **Coding**, and **Agency**. Open-source models (left) are sorted by their total parameter count, while top-tier proprietary models are shown on the right. xbench-DeepSearch scores are sourced from [official publications](https://xbench.org/agi/aisearch) for consistency. The shadowed bars represent the enhanced performance of Step 3.5 Flash using [Parallel Thinking](https://arxiv.org/pdf/2601.05593).