feat: update README.md

Author: sriting

README.md

@@ -5,6 +5,7 @@ Welcome to the official GitHub Page for MiniMax.
 Together, we are building artificial general intelligence with everyone, ensuring AI is accessible to everyone, and addressing the challenges of tomorrow responsibly.
 
 Here are our latest papers:
+- [✨ MiniMax-M1: Scaling Test-Time Compute Efficiently with Lightning Attention](https://arxiv.org/abs/2506.13585) 
 - [🧮 SynLogic: Synthesizing Verifiable Reasoning Data at Scale for Learning Logical Reasoning and Beyond](https://github.com/MiniMax-AI/SynLogic)
 - [🌎 One-RL-to-See-Them-All: Visual Triple Unified Reinforcement Learning](https://github.com/MiniMax-AI/One-RL-to-See-Them-All)
 - [🎙️ MiniMax Speech Tech Report](https://minimax-ai.github.io/tts_tech_report/)
@@ -18,3 +19,8 @@ Explore our latest innovations and experience:
 - [MiniMax Chat (Text-01 / VL-01)](https://chat.minimax.io)
 - [MiniMax Audio (Text-to-Speech, Voice Cloning)](https://www.minimax.io/audio)
 - [Hailuo Video (Text-to-Video, Image-to-Video, Text-to-Image)](https://hailuoai.video/)
+
+
+Contact Us:
+- [[email protected]](mailto:[email protected])
+- [WeChat Group](https://github.com/MiniMax-AI/MiniMax-M1/blob/main/figures/wechat-qrcode.jpeg)