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
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  # Allow uNfReE software
+  nixpkgs.config.allowUnfree = true;
+
+  # S0m3 f0nt5
+  fonts.fonts = with pkgs; [
+    noto-fonts
+    noto-fonts-cjk
+    noto-fonts-emoji
+    meslo-lgs-nf
+    wqy_zenhei
+  ];
+  
+  # NUR Source
+  nixpkgs.config.packageOverrides = pkgs: {
+  nur = import (builtins.fetchTarball "https://github.com/nix-community/NUR/archive/master.tar.gz") {
+    inherit pkgs;
+   };
+  };  
+  
+  # USTC Source
+  nix.binaryCaches = [ "https://mirrors.ustc.edu.cn/nix-channels/store" ];
+  
+  # Virtual Box
+  virtualisation.virtualbox.host.enable = true;
+  users.extraGroups.vboxusers.members = [ "chitang" ];
+  
+  # Steam
+  programs.steam.enable = true;
+  
+  # Realtek Wireless Driver
+  boot.extraModulePackages = [ config.boot.kernelPackages.rtl8821cu ];
+ 
+  # AMD Graphics card driver
+  hardware.opengl.extraPackages = with pkgs; [
+   rocm-opencl-icd
+   rocm-opencl-runtime
+   pkgs.amdvlk
+];
+
+  # Use the grub EFI boot loader
+  boot.loader = {
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot";
+    };
+    grub = {
+       efiSupport = true;
+       device = "nodev";
+    };
+  };
+
+  # Use the systemd-boot EFI boot loader.
+  #boot.loader.systemd-boot.enable = true;
+  #boot.loader.efi.canTouchEfiVariables = true;
+
+  # networking.hostName = "nixos"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Set your time zone.
+  time.timeZone = "Asia/Shanghai";
+
+  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+  # Per-interface useDHCP will be mandatory in the future, so this generated config
+  # replicates the default behaviour.
+  #networking.useDHCP = false;
+  #networking.interfaces.eno1.useDHCP = true;
+
+  # Use NetworkManager
+  networking.networkmanager.enable = true;
+
+  # 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 = "zh_CN.UTF-8";
+   console = {
+      font = "DroidSansMono";
+      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 ];
+
+  # 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.layout = "us";
+  # services.xserver.xkbOptions = "eurosign:e";
+
+  # 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;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.chitang = {
+     isNormalUser = true;
+     shell = pkgs.zsh; # Use ZSH
+     extraGroups = [ "wheel" "video" ]; # Enable ‘sudo’ for the user.
+   };
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+   environment.systemPackages = with pkgs; [
+     vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+     wget
+     firefox
+     git
+     neofetch
+     htop
+     vlc # VLC Media Player
+     obs-studio # OBS Studio
+     bluez # Bluetooth tools
+     qv2ray # Qv2ray(R.I.P.)
+     v2ray # Fucking GFW
+     vscode # Visual Studio Code(Unfree software)
+     tdesktop # Telegram Desktop
+     flameshot # Flameshot
+     virt-manager
+     nodejs
+     nodePackages.npm
+     nur.repos.linyinfeng.icalingua-plus-plus # Icalingua++(R.I.P. Icalingua)
+   ];
+
+  # Flatpak
+  services.flatpak.enable = true;
+
+  # NTFS
+  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;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "2.11"; # Did you read the comment?
+
+}