diff --git a/CNAME b/CNAME
new file mode 100644
index 0000000000000000000000000000000000000000..c3031b3255583f124a8c240f5ceeeb61ad7ac6f2
--- /dev/null
+++ b/CNAME
@@ -0,0 +1 @@
+preview.pro.ant.design