diff --git a/flake.nix b/flake.nix
index e423464..c20b750 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,75 +1,16 @@
 {
   description = "Daily configuration based on Nix and Flake";
 
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-
-    home-manager.url = "github:nix-community/home-manager";
-    home-manager.inputs.nixpkgs.follows = "nixpkgs";
-
-    darwin.url = "github:LnL7/nix-darwin";
-    darwin.inputs.nixpkgs.follows = "nixpkgs";
-
-    haumea.url = "github:nix-community/haumea";
-    haumea.inputs.nixpkgs.follows = "nixpkgs";
-
-    fenix.url = "github:nix-community/fenix";
-    fenix.inputs.nixpkgs.follows = "nixpkgs";
-
-    hyprland.url = "github:hyprwm/Hyprland";
-    hyprland.inputs.nixpkgs.follows = "nixpkgs";
-
-    nvfetcher.url = "github:berberman/nvfetcher";
-    nvfetcher.inputs.nixpkgs.follows = "nixpkgs";
-
-    treefmt-nix.url = "github:numtide/treefmt-nix";
-    treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
-
-    nix-index-database.url = "github:nix-community/nix-index-database";
-    nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
-
-    neovim-nightly-overlay.url = "github:nix-community/neovim-nightly-overlay";
-    neovim-nightly-overlay.inputs.nixpkgs.follows = "nixpkgs";
-
-    fh.url = "github:DeterminateSystems/fh";
-    fh.inputs.nixpkgs.follows = "nixpkgs";
-    fh.inputs.fenix.follows = "fenix";
-
-    nix-ld.url = "github:Mic92/nix-ld";
-    nix-ld.inputs.nixpkgs.follows = "nixpkgs";
-
-    nixos-vscode-server.url = "github:nix-community/nixos-vscode-server";
-    nixos-vscode-server.inputs.nixpkgs.follows = "nixpkgs";
-
-    agenix.url = "github:ryantm/agenix";
-    agenix.inputs.darwin.follows = "darwin";
-    agenix.inputs.home-manager.follows = "home-manager";
-    agenix.inputs.nixpkgs.follows = "nixpkgs";
-
-    arion.url = "github:hercules-ci/arion";
-    arion.inputs.nixpkgs.follows = "nixpkgs";
-
-    default-systems.url = "github:nix-systems/default";
-
-    flake-root.url = "github:srid/flake-root";
-
-    flake-parts.url = "github:hercules-ci/flake-parts";
-  };
-
   outputs = {self, ...} @ inputs: let
     globals = {
       root = ./.;
-      nixpkgs = {
-        config = {
-          allowUnfree = true;
-        };
-        overlays = [
-          inputs.agenix.overlays.default
-          inputs.arion.overlays.default
-          inputs.fenix.overlays.default
-          inputs.fh.overlays.default
-          inputs.neovim-nightly-overlay.overlay
-        ];
+      nixpkgs.overlays = [
+        inputs.agenix.overlays.default
+        inputs.arion.overlays.default
+        inputs.fenix.overlays.default
+      ];
+      nixpkgs.config = {
+        allowUnfree = true;
       };
       inherit self inputs;
       inherit (self) outputs;
@@ -94,7 +35,8 @@
       }: rec {
         _module.args.pkgs = import inputs.nixpkgs {
           inherit system;
-          inherit (globals.nixpkgs) config overlays;
+          inherit (globals.nixpkgs) config;
+          inherit (globals.nixpkgs) overlays;
         };
 
         treefmt.config = {
@@ -137,10 +79,60 @@
       };
     };
 
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+    home-manager.url = "github:nix-community/home-manager";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+
+    darwin.url = "github:LnL7/nix-darwin";
+    darwin.inputs.nixpkgs.follows = "nixpkgs";
+
+    haumea.url = "github:nix-community/haumea";
+    haumea.inputs.nixpkgs.follows = "nixpkgs";
+
+    fenix.url = "github:nix-community/fenix";
+    fenix.inputs.nixpkgs.follows = "nixpkgs";
+
+    hyprland.url = "github:hyprwm/Hyprland";
+    hyprland.inputs.nixpkgs.follows = "nixpkgs";
+
+    nvfetcher.url = "github:berberman/nvfetcher";
+    nvfetcher.inputs.nixpkgs.follows = "nixpkgs";
+
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+    treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
+
+    nix-index-database.url = "github:nix-community/nix-index-database";
+    nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
+
+    nix-ld.url = "github:Mic92/nix-ld";
+    nix-ld.inputs.nixpkgs.follows = "nixpkgs";
+
+    nixos-vscode-server.url = "github:nix-community/nixos-vscode-server";
+    nixos-vscode-server.inputs.nixpkgs.follows = "nixpkgs";
+
+    agenix.url = "github:ryantm/agenix";
+    agenix.inputs.darwin.follows = "darwin";
+    agenix.inputs.home-manager.follows = "home-manager";
+    agenix.inputs.nixpkgs.follows = "nixpkgs";
+
+    arion.url = "github:hercules-ci/arion";
+    arion.inputs.nixpkgs.follows = "nixpkgs";
+
+    default-systems.url = "github:nix-systems/default";
+
+    flake-root.url = "github:srid/flake-root";
+
+    flake-parts.url = "github:hercules-ci/flake-parts";
+  };
+
   nixConfig = {
     extra-trusted-substituters = [
       "https://cache.garnix.io"
       "https://hyprland.cachix.org"
+      "https://mirrors.tuna.tsinghua.edu.cn/nix-channels/store"
+      "https://mirrors.ustc.edu.cn/nix-channels/store"
       "https://nichijou.cachix.org"
       "https://nix-community.cachix.org"
       "https://nixpkgs-wayland.cachix.org"
diff --git a/src/commonProfiles/nix.nix b/src/commonProfiles/nix.nix
index d8428fd..f3cf47c 100644
--- a/src/commonProfiles/nix.nix
+++ b/src/commonProfiles/nix.nix
@@ -33,6 +33,8 @@ with builtins // lib; {
       trusted-substituters = [
         "https://cache.garnix.io"
         "https://hyprland.cachix.org"
+        "https://mirrors.tuna.tsinghua.edu.cn/nix-channels/store"
+        "https://mirrors.ustc.edu.cn/nix-channels/store"
         "https://nichijou.cachix.org"
         "https://nix-community.cachix.org"
         "https://nixpkgs-wayland.cachix.org"
diff --git a/src/commonProfiles/packages.nix b/src/commonProfiles/packages.nix
index addc8b6..938b26b 100644
--- a/src/commonProfiles/packages.nix
+++ b/src/commonProfiles/packages.nix
@@ -5,24 +5,19 @@
   ...
 }:
 with builtins // lib; {
-  environment.systemPackages =
-    (with pkgs; [
-      cachix
-      clash-meta
-      curl
-      duf
-      eza
-      gh
-      git
-      helix
-      nettools
-      tmux
-      vim
-      wget
-    ])
-    ++ (optionals pkgs.stdenv.isLinux (with pkgs; [
-      cloudflare-warp
-    ]));
+  environment.systemPackages = with pkgs; [
+    curl
+    duf
+    eza
+    gh
+    git
+    helix
+    tmux
+    vim
+    wget
+  ];
 
+  programs.fish.enable = true;
   programs.zsh.enable = true;
+
 }
diff --git a/src/nixosConfigurations/hakase/_configuration.nix b/src/nixosConfigurations/hakase/_configuration.nix
index ce69cff..dbfa156 100644
--- a/src/nixosConfigurations/hakase/_configuration.nix
+++ b/src/nixosConfigurations/hakase/_configuration.nix
@@ -20,7 +20,6 @@
   # Enable the Desktop Environments.
   services.xserver.displayManager.sddm.enable = true;
   services.xserver.desktopManager.plasma5.enable = true;
-  services.xserver.desktopManager.xfce.enable = true;
 
   # Enable xwayland.
   programs.xwayland.enable = true;
@@ -29,4 +28,8 @@
 
   # Disable automatic suspend.
   services.autosuspend.enable = false;
+
+  # Configure network proxy.
+  networking.proxy.default = "http://satoshi.mck.cn.yousiki.top:7890";
+  networking.proxy.noProxy = "127.0.0.1,localhost,yousiki.top,ybh1998.space,pku.edu.cn";
 }
diff --git a/src/nixosConfigurations/hakase/_hardware-configuration.nix b/src/nixosConfigurations/hakase/_hardware-configuration.nix
index dde40da..b018ad7 100644
--- a/src/nixosConfigurations/hakase/_hardware-configuration.nix
+++ b/src/nixosConfigurations/hakase/_hardware-configuration.nix
@@ -17,28 +17,16 @@
   boot.kernelModules = ["kvm-intel"];
   boot.extraModulePackages = [];
 
-  fileSystems."/" = {
-    device = "/dev/disk/by-uuid/f4dd6d7c-e625-4a74-9325-85691ff9c351";
-    fsType = "btrfs";
-    options = ["subvol=@" "compress=zstd"];
-  };
-
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/4ABE-0CAF";
-    fsType = "vfat";
-  };
-
-  fileSystems."/mnt/ssd" = {
-    device = "/dev/disk/by-uuid/11db0944-b7ae-4e84-8dbd-13de8537efd1";
-    fsType = "btrfs";
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/facf9680-93f9-4799-9277-54aee06a418b";
+      fsType = "btrfs";
     options = ["compress=zstd"];
-  };
+    };
 
-  fileSystems."/mnt/hdd" = {
-    device = "/dev/disk/by-uuid/0c2264ed-46f9-4868-bab0-2efa61c7bb1f";
-    fsType = "btrfs";
-    options = ["compress=zstd"];
-  };
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/899E-B417";
+      fsType = "vfat";
+    };
 
   swapDevices = [
     {
diff --git a/src/nixosConfigurations/hakase/default.nix b/src/nixosConfigurations/hakase/default.nix
index a954314..cd74b44 100644
--- a/src/nixosConfigurations/hakase/default.nix
+++ b/src/nixosConfigurations/hakase/default.nix
@@ -5,13 +5,7 @@
     globals.outputs.commonProfiles.nix
     globals.outputs.commonProfiles.packages
     globals.outputs.nixosProfiles.base
-    globals.outputs.nixosProfiles.desktop.fonts
-    globals.outputs.nixosProfiles.desktop.hyprland
     globals.outputs.nixosProfiles.nvidia-gpu
-    globals.outputs.nixosProfiles.secrets
-    globals.outputs.nixosProfiles.virtualisation.adrive-webdav
-    globals.outputs.nixosProfiles.virtualisation.base
-    globals.outputs.nixosProfiles.virtualisation.traefik
     globals.outputs.nixosProfiles.vscode-server
     globals.inputs.home-manager.nixosModules.home-manager
     {
@@ -22,17 +16,7 @@
         users.yousiki = {
           imports = [
             globals.outputs.homeProfiles.base
-            globals.outputs.homeProfiles.desktop.applications
-            globals.outputs.homeProfiles.desktop.fcitx5
-            globals.outputs.homeProfiles.desktop.hyprland
-            globals.outputs.homeProfiles.desktop.kitty
-            globals.outputs.homeProfiles.lang.c
-            globals.outputs.homeProfiles.lang.latex
-            globals.outputs.homeProfiles.lang.nix
-            globals.outputs.homeProfiles.lang.python
-            globals.outputs.homeProfiles.lang.rust
             globals.outputs.homeProfiles.secrets
-            globals.outputs.homeProfiles.shell.combined
           ];
         };
       };
diff --git a/src/nixosProfiles/base.nix b/src/nixosProfiles/base.nix
index d50540a..a93283a 100644
--- a/src/nixosProfiles/base.nix
+++ b/src/nixosProfiles/base.nix
@@ -3,7 +3,7 @@
   lib,
   pkgs,
   ...
-}: {
+}: with builtins // lib; {
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.yousiki = {
     isNormalUser = true;
@@ -11,47 +11,23 @@
     shell = pkgs.zsh;
   };
 
-  # Enable ssh.
-  services.openssh.enable = true;
-  services.openssh.openFirewall = true;
+  # Make sure zsh is enabled.
+  programs.zsh.enable = true;
 
-  # Enable mosh.
-  programs.mosh.enable = true;
+  # Enable ssh.
+  services.openssh.enable = mkDefault true;
+  services.openssh.openFirewall = mkDefault true;
 
   # networking.wireless.enable = true;
   networking.networkmanager.enable = true;
 
   networking.firewall.enable = true;
-  networking.firewall.allowedTCPPorts = [22];
-  networking.firewall.allowedUDPPortRanges = [
-    # Mosh uses UDP ports in range [60000, 61000]
-    {
-      from = 60000;
-      to = 61000;
-    }
-  ];
 
   time.timeZone = "Asia/Shanghai";
 
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "en_US.UTF-8";
-    LC_IDENTIFICATION = "en_US.UTF-8";
-    LC_MEASUREMENT = "en_US.UTF-8";
-    LC_MONETARY = "en_US.UTF-8";
-    LC_NAME = "en_US.UTF-8";
-    LC_NUMERIC = "en_US.UTF-8";
-    LC_PAPER = "en_US.UTF-8";
-    LC_TELEPHONE = "en_US.UTF-8";
-    LC_TIME = "en_US.UTF-8";
-  };
   i18n.supportedLocales = ["all"];
-  # console = {
-  #   font = "Lat2-Terminus16";
-  #   keyMap = "us";
-  #   useXkbConfig = true; # use xkbOptions in tty.
-  # };
 
   services.xserver = {
     layout = "cn";
@@ -63,6 +39,11 @@
   sound.enable = true;
   hardware.pulseaudio.enable = true;
   security.rtkit.enable = true;
+  
+  hardware.bluetooth.enable = true;
+
+  hardware.opengl.enable = true;
+  hardware.opengl.driSupport32Bit = true;
 
   programs.mtr.enable = true;
   programs.gnupg.agent = {
@@ -70,10 +51,5 @@
     enableSSHSupport = true;
   };
 
-  hardware.bluetooth.enable = true;
-
-  hardware.opengl.enable = true;
-  hardware.opengl.driSupport32Bit = true;
-
-  system.stateVersion = "23.05";
+  system.stateVersion = "23.11";
 }
diff --git a/src/nixosProfiles/desktop/hyprland.nix b/src/nixosProfiles/desktop/hyprland.nix
index 6e16c07..c318365 100644
--- a/src/nixosProfiles/desktop/hyprland.nix
+++ b/src/nixosProfiles/desktop/hyprland.nix
@@ -15,5 +15,6 @@ in {
     xwayland.enable = true;
     package = hyprlandPkgs.hyprland;
     portalPackage = hyprlandPkgs.xdg-desktop-portal-hyprland;
+    enableNvidiaPatches = nixpkgs.config.cudaSupport;
   };
 }
diff --git a/src/nixosProfiles/nvidia-gpu.nix b/src/nixosProfiles/nvidia-gpu.nix
index 370d09e..413d80e 100644
--- a/src/nixosProfiles/nvidia-gpu.nix
+++ b/src/nixosProfiles/nvidia-gpu.nix
@@ -20,5 +20,4 @@ with builtins // lib; {
     nvtop
     python311Packages.gpustat
   ];
-  programs.hyprland.enableNvidiaPatches = mkForce true;
 }
diff --git a/src/nixosProfiles/vscode-server.nix b/src/nixosProfiles/vscode-server.nix
index 9d16c80..c71f623 100644
--- a/src/nixosProfiles/vscode-server.nix
+++ b/src/nixosProfiles/vscode-server.nix
@@ -5,28 +5,8 @@
   ...
 }: {
   imports = [
-    globals.inputs.nix-ld.nixosModules.nix-ld
     globals.inputs.nixos-vscode-server.nixosModules.default
   ];
 
   services.vscode-server.enable = true;
-  services.vscode-server.installPath = "$HOME/.vscode-server";
-
-  programs.nix-ld.enable = true;
-
-  services.openssh.extraConfig = ''
-    AcceptEnv NIX_LD NIX_LD_LIBRARY_PATH
-  '';
-
-  environment.etc."vscode-server-support".source = pkgs.stdenv.mkDerivation {
-    name = "vscode-server-support";
-    phases = ["installPhase"];
-    installPhase = ''
-      set -e
-      mkdir -p $out
-      for lib in ${pkgs.glibc}/lib/ld-linux* ${pkgs.stdenv.cc.cc.lib}/lib/*; do
-        ln -sf $lib $out/$(basename $lib)
-      done
-    '';
-  };
 }
diff --git a/src/packages/fh.nix b/src/packages/fh.nix
deleted file mode 100644
index 5debce9..0000000
--- a/src/packages/fh.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  globals,
-  config,
-  self',
-  inputs',
-  pkgs,
-  system,
-  ...
-}: let
-  package = globals.inputs.fh.packages.${pkgs.system}.default;
-
-  systems = import globals.inputs.default-systems;
-in
-  if builtins.elem system systems
-  then package
-  else null