diff --git a/README.md b/README.md
index 6f81c356b..aa14fd2f3 100644
--- a/README.md
+++ b/README.md
@@ -22,9 +22,9 @@ An open-source, self-hosted note-taking service. Your thoughts, your data, your
 
 <p></p>
 
-[**TestMu AI** - The world’s first full-stack Agentic AI Quality Engineering platform](https://www.testmu.ai/?utm_source=memos&utm_medium=sponsor)
+[**TestMu AI** - The world’s first full-stack Agentic AI Quality Engineering platform](https://www.testmuai.com/?utm_medium=sponsor&utm_source=memos)
   
-<a href="https://www.testmu.ai/?utm_source=memos&utm_medium=sponsor" target="_blank" rel="noopener">
+<a href="https://www.testmuai.com/?utm_medium=sponsor&utm_source=memos" target="_blank" rel="noopener">
   <img src="https://usememos.com/sponsors/testmu.svg" alt="TestMu AI" height="36" />
 </a>