diff --git a/wrangler.jsonc b/wrangler.jsonc
index b756368..e672406 100644
--- a/wrangler.jsonc
+++ b/wrangler.jsonc
@@ -13,7 +13,13 @@
 	},
 	"observability": {
 		"enabled": true
-	}
+	},
+	"routes": [
+		{
+			"pattern": "mahjong.utcode.net",
+			"custom_domain": true
+		}
+	]
 	/**
 	 * Smart Placement
 	 * Docs: https://developers.cloudflare.com/workers/configuration/smart-placement/#smart-placement