diff --git a/README.md b/README.md
index 704c8d58..0dc621fd 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
   </picture>
 </h1>
 
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+<p align="center">
   <a href="https://arxiv.org/abs/2301.12457">
     <img src="https://img.shields.io/badge/arxiv-paper-red?logo=arxiv" alt="EvoX Paper on arXiv">
   </a>
@@ -31,7 +31,7 @@
   <a href="https://github.com/EMI-Group/evox">
     <img alt="GitHub User's stars" src="https://img.shields.io/github/stars/EMI-Group%2Fevox">
   </a>
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+</p>
 
 <p align="center">
   <b>🌟Distributed GPU-accelerated Framework for Scalable Evolutionary Computation🌟</b>