diff --git a/files/authorized_keys b/files/authorized_keys
index 8406529..8a3da33 100644
--- a/files/authorized_keys
+++ b/files/authorized_keys
@@ -17,7 +17,8 @@ ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJUJKU+jfw63rZ7TSa8Zx7yS5yu6Zsm2dQBNuE4CWhnv
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJ37I8rVeQQTXujBMbpYWWYEpgx4MnczKrDuSFCTTXMH ubuntu2404.hf
 
 # for rsync
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBXZrcPKdwOguuB0IGuhES90obnGvn1UI5+nZy1PrzF+ RsyncForUser
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBXZrcPKdwOguuB0IGuhES90obnGvn1UI5+nZy1PrzF+ nas220-rsync.old
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBAqyLOdwt1Y+krVh0ZuNAy1dcR6w3Don6yIvLXwjDwl nas220-rsync.new
 
 # obsoleted
 # ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEBVVTDmX2XZJDtT7k+KBUN+j9NZq9boCQuHbcJRCPBu windows10.alpha.pc