diff --git a/flake.lock b/flake.lock
index 76e4991..60b83e0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -25,11 +25,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1696737557,
-        "narHash": "sha256-YD/pjDjj/BNmisEvRdM/vspkCU3xyyeGVAUWhvVSi5Y=",
+        "lastModified": 1698250431,
+        "narHash": "sha256-qs2gTeH4wpnWPO6Oi6sOhp2IhG0i0DzcnrJxIY3/CP8=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "3c1d8758ac3f55ab96dcaf4d271c39da4b6e836d",
+        "rev": "09587fbbc6a669f7725613e044c2577dc5d43ab5",
         "type": "github"
       },
       "original": {
@@ -63,11 +63,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1696604326,
-        "narHash": "sha256-YXUNI0kLEcI5g8lqGMb0nh67fY9f2YoJsILafh6zlMo=",
+        "lastModified": 1698134075,
+        "narHash": "sha256-foCD+nuKzfh49bIoiCBur4+Fx1nozo+4C/6k8BYk4sg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "87828a0e03d1418e848d3dd3f3014a632e4a4f64",
+        "rev": "8efd5d1e283604f75a808a20e6cde0ef313d07d4",
         "type": "github"
       },
       "original": {
diff --git a/home.nix b/home.nix
index 13e55c2..4ab3fd2 100644
--- a/home.nix
+++ b/home.nix
@@ -25,6 +25,11 @@
     proxychains-ng
     nil
     coreutils
+
+    # temp develop pkgs below
+    virtualenv
+    python39
+    rustup
   ];
 
   # Home Manager is pretty good at managing dotfiles. The primary way to manage
@@ -46,8 +51,6 @@
   #
   # if you don't want to manage your shell through Home Manager.
   home.sessionVariables = {
-    # EDITOR = "emacs";
-    TZ = "Asia/Shanghai";
     LANG = "zh_CN.UTF-8";
     GOPROXY = "https://goproxy.cn,direct";
     PKG_CONFIG_PATH = "$HOME/.nix-profile/lib/pkgconfig";
diff --git a/programs.nix b/programs.nix
index fb3864e..bf516b6 100644
--- a/programs.nix
+++ b/programs.nix
@@ -1,5 +1,6 @@
 { pkgs, ... }: {
   programs = {   
+    command-not-found.enable = true;
     home-manager.enable = true;
 
     bat = {
@@ -48,7 +49,7 @@
     };
 
     go = {
-      enable = false;
+      enable = true;
       goPath = ".local/go";
     };