update README.md

README.md

@@ -58,7 +58,7 @@ Below are evaluation results on [IMO-ProofBench](https://github.com/google-deepm
 **IMO-ProofBench**
 
 <p align="center">
-  <img width="100%" src="https://github.com/deepseek-ai/DeepSeek-Math-V2/tree/main/figures/IMO-ProofBench.png?raw=true">
+  <img width="100%" src="https://raw.githubusercontent.com/deepseek-ai/DeepSeek-Math-V2/refs/heads/main/figures/IMO-ProofBench.png">
 </p>
 
 
@@ -67,7 +67,7 @@ Below are evaluation results on [IMO-ProofBench](https://github.com/google-deepm
 **Mathematics Competitions**
 
 <p align="center">
-  <img width=41%" src="https://github.com/deepseek-ai/DeepSeek-Math-V2/tree/main/figures/Competitions.png?raw=true">
+  <img width=41%" src="https://raw.githubusercontent.com/deepseek-ai/DeepSeek-Math-V2/refs/heads/main/figures/Competitions.png">
 </p>
 
 ## 4. Quick Start