Update README.md

Author: DefTruth

README.md

@@ -53,7 +53,7 @@
 - [2025-06-16]: [DBCache: Dual Block Caching](https://github.com/vipshop/DBCache) is release! A **Training-free UNet-style** Cache Acceleration for **Diffusion Transformers**! Feel free to take a try!  
 
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-  <img src='https://github.com/user-attachments/assets/a5ec4320-d2f9-4254-888a-170b2d9e3784' height="170px">
+  <img src='https://github.com/user-attachments/assets/a5ec4320-d2f9-4254-888a-170b2d9e3784' height=200px>
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 - [2025-01-08]: [📚Split Q + Fully QKV Fine-grained Tiling](#mma-tiling-qkv) has been refactored into 🤖[ffpa-attn](https://github.com/xlite-dev/ffpa-attn.git): 📚FFPA - Yet another Faster Flash Prefill Attention with O(1)🎉SRAM complexity for headdim > 256, **1.8x~3x**🎉faster than SDPA EA: [📈L20 ~1.9x↑🎉](https://github.com/xlite-dev/ffpa-attn?tab=readme-ov-file#L1-bench-l20), [📈 A30 ~1.8x↑🎉](https://github.com/xlite-dev/ffpa-attn?tab=readme-ov-file#L1-bench-a30), [📈3080 ~2.9x↑🎉](https://github.com/xlite-dev/ffpa-attn?tab=readme-ov-file#L1-bench-3080), [📈4090 ~2.1x↑🎉](https://github.com/xlite-dev/ffpa-attn?tab=readme-ov-file#L1-bench-4090).