diff --git a/content/page/referral/index.md b/content/page/referral/index.md
index f7c85e1..0a12416 100644
--- a/content/page/referral/index.md
+++ b/content/page/referral/index.md
@@ -29,3 +29,9 @@ Share Your Referral Link
 https://synthetic.new/?referral=CNBFyw28zF0dZoj
 
 Your referral link contains your unique code: CNBFyw28zF0dZoj
+
+## [ModelArk](https://www.byteplus.com/activity/codingplan?ac=MMAUCIS9NT1S&rc=2739UWRE)
+
+https://www.byteplus.com/activity/codingplan?ac=MMAUCIS9NT1S&rc=2739UWRE
+
+![modelark](modelark.png)
diff --git a/content/page/referral/modelark.png b/content/page/referral/modelark.png
new file mode 100644
index 0000000..1a8ea50
Binary files /dev/null and b/content/page/referral/modelark.png differ