Fix: use <p> tag without blank lines to avoid HF rendering artifact

README.md

@@ -39,11 +39,9 @@ default_config_name: UltraData-Math-L3-Conversation-Synthetic
   <img src="assets/ultradata-math-logo.png" width="600"/>
 </div>
 
-<div align="center">
-
+<p align="center">
 <a href="https://huggingface.co/datasets/openbmb/UltraData-Math">🤗 Dataset</a> | <a href="https://github.com/UltraData-OpenBMB/UltraData-Math">💻 Code Repository</a> | <a href="README_ZH.md">🇨🇳 中文 README</a>
-
-</div>
+</p>
 
 ## 📚 Introduction