diff --git a/hosts/nixos-lxc/configuration.nix b/hosts/nixos-lxc/configuration.nix
index 65a0d44..e1d48fc 100644
--- a/hosts/nixos-lxc/configuration.nix
+++ b/hosts/nixos-lxc/configuration.nix
@@ -30,6 +30,12 @@
     };
   };
 
+  # 用户账户配置
+  users.users.luochen570 = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" "networkmanager" ];
+  };
+
   security.sudo.wheelNeedsPassword = false;
 
   services.resolved = {
@@ -39,4 +45,8 @@
     '';
   };
 
+  nix.settings.substituters = [ "https://mirrors.tuna.tsinghua.edu.cn/nix-channels/store" ];
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  system.stateVersion = "25.05";
 }