Update cnames_active.js

Author: qianxunclub

cnames_active.js

@@ -3589,7 +3589,8 @@ var cnames_active = {
   "zyh": "zyh-chopper.github.io/zyh",
   "zykj": "cname.vercel-dns.com", // noCF
   "zyx": "zyx.alwaysdata.net",
-  "zyy": "zyyou.github.io/notes"
+  "zyy": "zyyou.github.io/notes",
+  "caicai": "qianxunclub.github.io/CaiCai"
   /*
    * please don't add your subdomain records down here!
    * insert them in alphabetical order to help reduce merge conflicts.