diff --git a/domains/tiyz.json b/domains/tiyz.json
index 5e3c925e9b..426e8f9f26 100644
--- a/domains/tiyz.json
+++ b/domains/tiyz.json
@@ -1,6 +1,6 @@
 {
   "owner": {
-    "username": "TianYZ404",
+    "username": "tianyz404",
     "email": "im.tianyz@gmail.com"
   },
   "records": {