diff --git a/hosts/kuroko/configuration.nix b/hosts/kuroko/configuration.nix
index 8aed561..9952b9a 100644
--- a/hosts/kuroko/configuration.nix
+++ b/hosts/kuroko/configuration.nix
@@ -95,7 +95,6 @@
   networking.networkmanager.enable = true;
   # Set your time zone.
   time.timeZone = "America/Los_Angeles";
-
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";
 
diff --git a/hosts/shiroko/configuration.nix b/hosts/shiroko/configuration.nix
index eb44605..3db3081 100644
--- a/hosts/shiroko/configuration.nix
+++ b/hosts/shiroko/configuration.nix
@@ -20,7 +20,6 @@
   };
 
   boot = {
-    # initrd.luks.fido2Support = true;
     # Bootloader.
     loader.systemd-boot.enable = true;
     loader.efi.canTouchEfiVariables = true;
@@ -111,7 +110,9 @@
 
     };
   };
+  environment.systemPackages = with pkgs; [
 
+  ];
   # Set your time zone.
   time.timeZone = "America/Los_Angeles"; # Asia/Taipei lib.mkDefault
   #services.automatic-timezoned.enable = true;
diff --git a/users/kaitotlex/home.nix b/users/kaitotlex/home.nix
index 804c0b5..5bebc1f 100644
--- a/users/kaitotlex/home.nix
+++ b/users/kaitotlex/home.nix
@@ -225,9 +225,11 @@
     userEmail = "wlin@kaitotlex.systems";
     signing = {
       signByDefault = true;
-      key = "2AE6771F14386F9B85E48685A9209668BFA39C0E";
+      key = "BC04C0C14AEDA705B8FBACE8C5F52A3C0F3B4A77";
     };
+
   };
+
   programs.neovim.defaultEditor = true;
 
   programs.lazygit.enable = true;