diff --git a/subdomains.json b/subdomains.json
index decf1d1..2149923 100644
--- a/subdomains.json
+++ b/subdomains.json
@@ -29,6 +29,7 @@
   "empun": "empun.github.io",
   "fadla": "muhamad-fadla.github.io",
   "faris": "glitch.edgeapp.net",
+  "fcircle-doc": "hexo-circle-of-friends-doc.vercel.app",
   "fivenine": "fivenine01.github.io",
   "focus": "ffork.github.io",
   "goose": "scalgoon.github.io",