diff --git a/README.md b/README.md
index 3876909a240a8489c1347c02759f884957ceb95c..8a2420efdb6caaebe1cdf3d8e83f1b84f7a71363 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <div align="center">
     <a href="https://gitstar-ranking.com/repositories"> <img src="https://badgen.net/badge/Rank/13?icon=github&color=4ab8a1"></a>
-    <a href="https://cyc2018.github.io/CS-Notes"> <img src="https://badgen.net/badge/CyC/%E5%9C%A8%E7%BA%BF%E9%98%85%E8%AF%BB?icon=sourcegraph&color=4ab8a1"></a>
+    <a href="https://www.cyc2018.xyz"> <img src="https://badgen.net/badge/CyC/%E5%9C%A8%E7%BA%BF%E9%98%85%E8%AF%BB?icon=sourcegraph&color=4ab8a1"></a>
     <a href="assets/download.md"> <img src="https://badgen.net/badge/OvO/%E7%A6%BB%E7%BA%BF%E4%B8%8B%E8%BD%BD?icon=telegram&color=4ab8a1"></a>
     <a href="assets/download.md"> <img src="https://badgen.net/badge/%e5%85%ac%e4%bc%97%e5%8f%b7/CyC2018?icon=rss&color=4ab8a1"></a>
 </div>