diff --git a/.config/nixshell/c.nix b/.config/nixshell/c.nix
index 05b3cbf..a9b3c86 100644
--- a/.config/nixshell/c.nix
+++ b/.config/nixshell/c.nix
@@ -15,6 +15,8 @@ in
         libinput
         clang-tools_15
         valgrind
+        xorg.xcbutil
+        xorg.xcbutilkeysyms
     ];
     nativeBuildInputs = with pkgs; [
         pkg-config
diff --git a/.config/nixshell/caml.nix b/.config/nixshell/caml.nix
new file mode 100644
index 0000000..86a8352
--- /dev/null
+++ b/.config/nixshell/caml.nix
@@ -0,0 +1,11 @@
+let
+  pkgs = import <nixpkgs> {};
+in
+  pkgs.mkShell {
+    buildInputs = with pkgs; [
+        ocaml
+        pkg-config
+        opam
+        xorg.libX11
+    ];
+  }
diff --git a/.config/nixshell/matrix.nix b/.config/nixshell/matrix.nix
index 3c678e0..f66a890 100644
--- a/.config/nixshell/matrix.nix
+++ b/.config/nixshell/matrix.nix
@@ -1,8 +1,10 @@
 let pkgs = import <nixpkgs> { overlays = [ (import ./cypress-overlay.nix) ]; };
+unstable = import <unstable> {};
 in pkgs.mkShell {
   name = "matrix-shell";
   buildInputs = with pkgs; [
     yarn
+    nodejs
     docker
     act
     gtk2
@@ -26,14 +28,14 @@ in pkgs.mkShell {
     xorg.libxcb libsecret libuuid at-spi2-atk at-spi2-core libdbusmenu
     libdrm
     mesa # required for libgbm
-    cypress
+    unstable.cypress
   ];
   shellHook = ''
     export NAME="matrix-shell"
-    export NODE_OPTIONS=--openssl-legacy-provider
     export CYPRESS_INSTALL_BINARY=0
-    export CYPRESS_RUN_BINARY=${pkgs.cypress}/bin/Cypress
+    export CYPRESS_RUN_BINARY=${unstable.cypress}/bin/Cypress
     '';
+    # export NODE_OPTIONS=--openssl-legacy-provider
 }
 
 #https://gist.github.com/r-k-b/2485f977b476aa3f76a47329ce7f9ad4?permalink_comment_id=4402925
diff --git a/.config/nixshell/mongo.nix b/.config/nixshell/mongo.nix
index a1c625e..cf15063 100644
--- a/.config/nixshell/mongo.nix
+++ b/.config/nixshell/mongo.nix
@@ -4,8 +4,8 @@ let
 in
   pkgs.mkShell {
     buildInputs = with pkgs; [
-      unstable.mongodb
-      mongosh
+      #unstable.mongodb
+      #mongosh
     ];
     shellHook = ''
       '';
diff --git a/.config/nixshell/python.nix b/.config/nixshell/python.nix
new file mode 100644
index 0000000..0b2351a
--- /dev/null
+++ b/.config/nixshell/python.nix
@@ -0,0 +1,50 @@
+let
+  pkgs = import <nixpkgs> {};
+  my-python-packages = ps: with ps; [
+    pandas
+    requests
+    tkinter
+    gunicorn
+    python-vlc
+    mpv
+    (
+     buildPythonPackage rec {
+     pname = "tkVideo";
+     version = "0.1";
+     src = fetchPypi {
+     inherit pname version;
+     sha256 = "sha256-nxSWlqwC7rlPJbJQGtlb1AP75omUZWK2sNVgQJYVGfU=";
+     };
+     doCheck = false;
+     propagatedBuildInputs = [
+        imageio
+     ];
+     }
+    )
+    opencv4
+    #(
+    # buildPythonPackage rec {
+    # pname = "opencv-python-headless";
+    # version = "4.8.0.76";
+    # src = fetchPypi {
+    # inherit pname version;
+    # sha256 = "sha256-vBVyYYfa4m2KCHd/r2vHHTjyDHhcECZ39Yug6TUAOvs=";
+    # };
+    # doCheck = false;
+    # propagatedBuildInputs = [
+    # ];
+    # }
+    #)
+
+    pillow
+    flask
+    flask_sqlalchemy
+    flask_login
+    flask-cors
+    imageio
+    imageio-ffmpeg
+    pyavm
+  ];
+  my-python = pkgs.python310.withPackages my-python-packages;
+in
+  my-python.env
diff --git a/.config/nixshell/rust.nix b/.config/nixshell/rust.nix
index d93470d..638fda1 100644
--- a/.config/nixshell/rust.nix
+++ b/.config/nixshell/rust.nix
@@ -8,6 +8,7 @@ in
       cargo
       libressl
       rustfmt
+      mdbook
     ];
     nativeBuildInputs = with pkgs; [
       pkg-config
diff --git a/.config/nvim/init.lua b/.config/nvim/init.lua
index 30dce04..4052acf 100644
--- a/.config/nvim/init.lua
+++ b/.config/nvim/init.lua
@@ -19,6 +19,9 @@ vim.o.scrolloff = 8
 --
 vim.keymap.set("n", "<leader>pv", vim.cmd.Ex)
 
+--clear hightlight
+vim.keymap.set("n", "<leader>h", ":noh<CR>", {noremap=true})
+
 --move line shortcut
 vim.keymap.set("n", "<M-j>", ":m +1<CR>==", {noremap = true})
 vim.keymap.set("n", "<M-k>", ":m -2<CR>==", {noremap = true})
diff --git a/.config/nvim/plugin/harpoon.lua b/.config/nvim/plugin/harpoon.lua
index 0340aed..a8ca66f 100644
--- a/.config/nvim/plugin/harpoon.lua
+++ b/.config/nvim/plugin/harpoon.lua
@@ -2,6 +2,7 @@ local mark = require("harpoon.mark")
 local ui = require("harpoon.ui")
 
 vim.keymap.set("n", "<leader>a", mark.add_file)
+vim.keymap.set("n", "<leader>q", mark.add_file)
 vim.keymap.set("n", "<C-e>", ui.toggle_quick_menu)
 
 vim.keymap.set("n", "<M-a>", function() ui.nav_file(1) end)
@@ -9,3 +10,6 @@ vim.keymap.set("n", "<M-z>", function() ui.nav_file(2) end)
 vim.keymap.set("n", "<M-e>", function() ui.nav_file(3) end)
 vim.keymap.set("n", "<M-r>", function() ui.nav_file(4) end)
 vim.keymap.set("n", "<M-t>", function() ui.nav_file(5) end)
+
+vim.keymap.set("n", "<M-q>", function() ui.nav_file(1) end)
+vim.keymap.set("n", "<M-w>", function() ui.nav_file(2) end)