diff --git a/.bashrc b/.bashrc
index abe09c8..9f806f0 100644
--- a/.bashrc
+++ b/.bashrc
@@ -58,3 +58,9 @@ pfetch
 
 # initialize starship prompt
 eval "$(starship init bash)"
+
+PATH="/home/april/perl5/bin${PATH:+:${PATH}}"; export PATH;
+PERL5LIB="/home/april/perl5/lib/perl5${PERL5LIB:+:${PERL5LIB}}"; export PERL5LIB;
+PERL_LOCAL_LIB_ROOT="/home/april/perl5${PERL_LOCAL_LIB_ROOT:+:${PERL_LOCAL_LIB_ROOT}}"; export PERL_LOCAL_LIB_ROOT;
+PERL_MB_OPT="--install_base \"/home/april/perl5\""; export PERL_MB_OPT;
+PERL_MM_OPT="INSTALL_BASE=/home/april/perl5"; export PERL_MM_OPT;
diff --git a/.config/nvim/lua/treesitter.lua b/.config/nvim/lua/treesitter.lua
new file mode 100644
index 0000000..1e4385a
--- /dev/null
+++ b/.config/nvim/lua/treesitter.lua
@@ -0,0 +1,39 @@
+-- import nvim-treesitter plugin safely
+local status, treesitter = pcall(require, "nvim-treesitter.configs")
+if not status then
+  return
+end
+
+-- configure treesitter
+treesitter.setup({
+  -- enable syntax highlighting
+  highlight = {
+    enable = true,
+  },
+  -- enable indentation
+  indent = { enable = true },
+  -- ensure these language parsers are installed
+  ensure_installed = {
+    "json",
+    "javascript",
+    "typescript",
+    "tsx",
+    "yaml",
+    "html",
+    "css",
+    "markdown",
+    "markdown_inline",
+    "bash",
+    "lua",
+    "vim",
+    "python",
+    "rasi",
+    "dockerfile",
+    "printf",
+    "regex",
+    "sxhkdrc",
+    "udev",
+  },
+  -- auto install above language parsers
+  auto_install = true,
+})