diff --git a/flake.lock b/flake.lock
index 2611226..12078fc 100644
--- a/flake.lock
+++ b/flake.lock
@@ -637,27 +637,23 @@
       "inputs": {
         "flake-compat": "flake-compat_2",
         "flake-utils": "flake-utils_3",
-        "nixpkgs-stable": [
-          "nixpkgs"
-        ],
-        "nixpkgs-unstable": [
+        "nixpkgs": [
           "nixpkgs"
         ],
         "zig": "zig",
         "zon2nix": "zon2nix"
       },
       "locked": {
-        "lastModified": 1746806042,
-        "narHash": "sha256-Hx92i3f5IjHaWpReyCKvGdqG55bZFU3wxGzA3wv9VLA=",
+        "lastModified": 1755793784,
+        "narHash": "sha256-rRUTLQJViPB7yPzCGGB1ff1lv2HppPmaPtW9ozgVGTQ=",
         "owner": "ghostty-org",
         "repo": "ghostty",
-        "rev": "7f9bb3c0e54f585e11259bc0c9064813d061929c",
+        "rev": "66e5081721e4e2158343a4b239b7ffc09dc8cbf2",
         "type": "github"
       },
       "original": {
         "owner": "ghostty-org",
         "repo": "ghostty",
-        "rev": "7f9bb3c0e54f585e11259bc0c9064813d061929c",
         "type": "github"
       }
     },
@@ -2352,7 +2348,8 @@
     "zig": {
       "inputs": {
         "flake-compat": [
-          "ghostty"
+          "ghostty",
+          "flake-compat"
         ],
         "flake-utils": [
           "ghostty",
@@ -2360,7 +2357,7 @@
         ],
         "nixpkgs": [
           "ghostty",
-          "nixpkgs-stable"
+          "nixpkgs"
         ]
       },
       "locked": {
@@ -2385,7 +2382,7 @@
         ],
         "nixpkgs": [
           "ghostty",
-          "nixpkgs-unstable"
+          "nixpkgs"
         ]
       },
       "locked": {
@@ -2398,8 +2395,8 @@
       },
       "original": {
         "owner": "jcollie",
-        "ref": "56c159be489cc6c0e73c3930bd908ddc6fe89613",
         "repo": "zon2nix",
+        "rev": "56c159be489cc6c0e73c3930bd908ddc6fe89613",
         "type": "github"
       }
     }
diff --git a/flake.nix b/flake.nix
index 676bc4d..ee05f96 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,9 +22,9 @@
     };
 
     ghostty = {
-      url = "github:ghostty-org/ghostty?rev=7f9bb3c0e54f585e11259bc0c9064813d061929c";
-      inputs.nixpkgs-stable.follows = "nixpkgs";
-      inputs.nixpkgs-unstable.follows = "nixpkgs";
+      # url = "github:ghostty-org/ghostty?rev=7f9bb3c0e54f585e11259bc0c9064813d061929c";
+      url = "github:ghostty-org/ghostty";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
 
     yazi = {
diff --git a/home/config/btop/btop.conf b/home/config/btop/btop.conf
deleted file mode 100755
index 609e3e2..0000000
--- a/home/config/btop/btop.conf
+++ /dev/null
@@ -1,64 +0,0 @@
-color_theme = "catppuccin_macchiato.theme"
-theme_background = False 
-truecolor = True
-force_tty = False
-presets = "cpu:1:default,proc:0:default cpu:0:default,mem:0:default,net:0:default cpu:0:block,net:0:tty"
-vim_keys = True 
-rounded_corners = True
-graph_symbol = "braille"
-graph_symbol_cpu = "default"
-graph_symbol_mem = "default"
-graph_symbol_net = "default"
-graph_symbol_proc = "default"
-shown_boxes = "cpu mem net proc"
-update_ms = 1000
-proc_sorting = "cpu lazy"
-proc_reversed = False
-proc_tree = False
-proc_colors = True
-proc_gradient = True
-proc_per_core = False
-proc_mem_bytes = True
-proc_cpu_graphs = True
-proc_info_smaps = False
-proc_left = False
-proc_filter_kernel = False
-cpu_graph_upper = "total"
-cpu_graph_lower = "total"
-cpu_invert_lower = True
-cpu_single_graph = False
-cpu_bottom = False
-show_uptime = True
-check_temp = True
-cpu_sensor = "Auto"
-show_coretemp = True
-cpu_core_map = ""
-temp_scale = "celsius"
-base_10_sizes = False
-show_cpu_freq = True
-clock_format = "%X"
-background_update = True
-custom_cpu_name = ""
-disks_filter = ""
-mem_graphs = True
-mem_below_net = False
-zfs_arc_cached = True
-show_swap = True
-swap_disk = True
-show_disks = True
-only_physical = True
-use_fstab = True
-zfs_hide_datasets = False
-disk_free_priv = False
-show_io_stat = True
-io_mode = False
-io_graph_combined = False
-io_graph_speeds = ""
-net_download = 100
-net_upload = 100
-net_auto = True
-net_sync = True
-net_iface = ""
-show_battery = True
-selected_battery = "Auto"
-log_level = "WARNING"
diff --git a/home/config/btop/themes/catppuccin_macchiato.theme b/home/config/btop/themes/catppuccin_macchiato.theme
deleted file mode 100755
index 7abd0bf..0000000
--- a/home/config/btop/themes/catppuccin_macchiato.theme
+++ /dev/null
@@ -1,42 +0,0 @@
-theme[main_bg]="#24273A"
-theme[main_fg]="#CAD3F5"
-theme[title]="#CAD3F5"
-theme[hi_fg]="#8AADF4"
-theme[selected_bg]="#494D64"
-theme[selected_fg]="#8AADF4"
-theme[inactive_fg]="#8087A2"
-theme[graph_text]="#F4DBD6"
-theme[meter_bg]="#494D64"
-theme[proc_misc]="#F4DBD6"
-theme[cpu_box]="#7DC4E4"
-theme[mem_box]="#A6DA95"
-theme[net_box]="#C6A0F6"
-theme[proc_box]="#F0C6C6"
-theme[div_line]="#6E738D"
-theme[temp_start]="#EED49F"
-theme[temp_mid]="#F5A97F"
-theme[temp_end]="#ED8796"
-theme[cpu_start]="#7DC4E4"
-theme[cpu_mid]="#91D7E3"
-theme[cpu_end]="#8BD5CA"
-theme[free_start]="#8BD5CA"
-theme[free_mid]="#8BD5CA"
-theme[free_end]="#A6DA95"
-theme[cached_start]="#F5BDE6"
-theme[cached_mid]="#F5BDE6"
-theme[cached_end]="#C6A0F6"
-theme[available_start]="#F4DBD6"
-theme[available_mid]="#F0C6C6"
-theme[available_end]="#F0C6C6"
-theme[used_start]="#F5A97F"
-theme[used_mid]="#F5A97F"
-theme[used_end]="#ED8796"
-theme[download_start]="#B7BDF8"
-theme[download_mid]="#B7BDF8"
-theme[download_end]="#C6A0F6"
-theme[upload_start]="#B7BDF8"
-theme[upload_mid]="#B7BDF8"
-theme[upload_end]="#C6A0F6"
-theme[process_start]="#7DC4E4"
-theme[process_mid]="#91D7E3"
-theme[process_end]="#8BD5CA"
diff --git a/home/user/config.nix b/home/user/config.nix
index 6026da2..be6c247 100644
--- a/home/user/config.nix
+++ b/home/user/config.nix
@@ -15,14 +15,6 @@ in
       recursive = true;
       source = "${configDir}/gh";
     };
-    # ".local/share/fcitx5/themes/fcitx5-dark-transparent" = {
-    #   recursive = true;
-    #   source = "${configDir}/fcitx5-dark-transparent";
-    # };
-    # ".config/fcitx5/conf" = {
-    #   recursive = true;
-    #   source = "${configDir}/fcitx5";
-    # };
     ".face".source = "${configDir}/.face";
   };
 
diff --git a/home/user/packages.nix b/home/user/packages.nix
index 7cda8e0..d5a91f6 100644
--- a/home/user/packages.nix
+++ b/home/user/packages.nix
@@ -15,6 +15,14 @@
     };
   };
 
+  programs.btop = {
+    enable = true;
+    settings = {
+      theme_background = false;
+      update_ms = 1000;
+    };
+  };
+
   programs.ghostty = {
     enable = true;
     installBatSyntax = true;
diff --git a/system/dev/dn-pre7780/default.nix b/system/dev/dn-pre7780/default.nix
index ecbaafa..d58ff72 100644
--- a/system/dev/dn-pre7780/default.nix
+++ b/system/dev/dn-pre7780/default.nix
@@ -197,7 +197,11 @@ in
 
   environment.systemPackages = with pkgs; [
     rustdesk
-    blender
+    ((blender.override { cudaSupport = true; }).overrideAttrs (prev: {
+      postInstall = ''
+        sed -i 's|Exec=blender %f|Exec=/run/current-system/sw/bin/nvidia-offload blender %f|' $out/share/applications/blender.desktop
+      '';
+    }))
   ];
 
   services.openssh = {
@@ -215,5 +219,4 @@ in
       ];
     };
   };
-
 }