diff --git a/configuration.nix b/configuration.nix
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+# Edit this configuration file to define what should be installed on
+# your system. Help is available in the configuration.nix(5) man page, on
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+{ config, lib, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.efiSupport = true;
+  boot.loader.grub.efiInstallAsRemovable = true;
+  boot.loader.efi.efiSysMountPoint = "/boot";
+  # Define on which hard drive you want to install Grub.
+  boot.loader.grub.device = "nodev"; # or "nodev" for efi only
+
+  networking.hostName = "b85"; # Define your hostname.
+  # Pick only one of the below networking options.
+  networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  # networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
+
+  # Set your time zone.
+  time.timeZone = "Asia/Shanghai";
+
+  
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Select internationalisation properties.
+  # i18n.defaultLocale = "en_US.UTF-8";
+  # console = {
+  #   font = "Lat2-Terminus16";
+  #   keyMap = "us";
+  #   useXkbConfig = true; # use xkb.options in tty.
+  # };
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+
+  # Enable the Plasma 5 Desktop Environment.
+  services.xserver.displayManager.sddm.enable = true;
+  services.xserver.desktopManager.plasma5.enable = true;
+  
+
+  # Configure keymap in X11
+  # services.xserver.xkb.layout = "us";
+  # services.xserver.xkb.options = "eurosign:e,caps:escape";
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+
+  # Enable sound.
+  sound.enable = true;
+  hardware.pulseaudio.enable = true;
+
+  # Bluetooth 
+  hardware.bluetooth.enable = true;
+  hardware.bluetooth.powerOnBoot = true;
+
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  programs.zsh.enable = true;
+  security.sudo.wheelNeedsPassword = false;
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.lzc256 = {
+    isNormalUser = true;
+    shell = pkgs.zsh;
+    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+  };
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    (neovim.override {
+      vimAlias = true;
+      configure = {
+        customRC=''
+          set tabstop=4
+          set autoindient
+        '';
+        packages.myPlugins = with pkgs.vimPlugins; {
+          start = [ vim-lastplace vim-nix ]; 
+          opt = [];
+        };
+      };
+    }
+    )
+    wget
+    git
+    neofetch
+    btop
+    vlc
+
+    clash-verge
+    tdesktop
+    google-chrome
+    vscode
+  ];
+
+  boot.supportedFilesystems = [ "ntfs" ];
+
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  # services.openssh.enable = true;
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # Copy the NixOS configuration file and link it from the resulting system
+  # (/run/current-system/configuration.nix). This is useful in case you
+  # accidentally delete configuration.nix.
+  # system.copySystemConfiguration = true;
+
+  fonts.fonts = with pkgs; [
+    noto-fonts
+    noto-fonts-cjk
+    noto-fonts-emoji
+    meslo-lgs-nf
+    wqy_zenhei
+    hack-font
+  ];
+  i18n.defaultLocale = "zh_CN.UTF-8";
+   console = {
+      font = "hack";
+      keyMap = "us";
+   };
+   i18n.inputMethod.enabled = "fcitx5";
+   i18n.inputMethod.fcitx5.addons = with pkgs; [ fcitx5-chinese-addons nur.repos.xddxdd.rime-moegirl nur.repos.xddxdd.rime-zhwiki nur.repos.xddxdd.fcitx5-breeze ];
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  #
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  #
+  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+  # so changing it will NOT upgrade your system.
+  #
+  # This value being lower than the current NixOS release does NOT mean your system is
+  # out of date, out of support, or vulnerable.
+  #
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  #
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "23.11"; # Did you read the comment?
+  nix.settings.substituters = [ "https://mirrors.ustc.edu.cn/nix-channels/store" ];
+  nixpkgs.config.packageOverrides = pkgs: {
+  nur = import (builtins.fetchTarball "https://github.com/nix-community/NUR/archive/master.tar.gz") {
+    inherit pkgs;
+   };
+  };  
+
+
+}