Update README.md

README.md

@@ -24,7 +24,7 @@ We propose **SPARK**, **a unified framework that integrates policy and reward in
 
 ## 📢 News
 - 🚀 [09/29/2025] We release our 🤗<a href="https://huggingface.co/datasets/internlm/Spark-Data">datasets</a>.
-- 🚀 [09/29/2025] We release our **Spark's** 📖<a href="https://arxiv.org/abs/2503.01785">Paper</a>.
+- 🚀 [09/29/2025] We release our **Spark's** 📖<a href="https://arxiv.org/abs/2509.22624">Paper</a>.
 - 🚀 [09/29/2025] We upload our evaluation code and 🤗<a href="https://huggingface.co/internlm/Spark-VL-7B">models</a>.
 - 🚀 [09/29/2025] We release **Spark** 🏠<a href="https://github.com/InternLM/Spark">Github repository</a>.