diff --git a/init.lua b/init.lua
index dc316af9..147f3d9d 100644
--- a/init.lua
+++ b/init.lua
@@ -237,8 +237,34 @@ require('lazy').setup({
   --  This is equivalent to:
   --    require('Comment').setup({})
 
-  -- "gc" to comment visual regions/lines
-  { 'numToStr/Comment.nvim', opts = {} },
+  -- Detect tabstop and shiftwidth automatically
+  'tpope/vim-sleuth',
+  {
+    'ThePrimeagen/harpoon',
+    dependencies = { 'nvim-lua/plenary.nvim' },
+    config = function()
+      local ui = require('harpoon.ui')
+      local mark = require('harpoon.mark')
+
+            -- mark page
+      vim.keymap.set('n', '<leader>ha', mark.add_file, { desc = "[H]arpoon [A]dd" })
+
+      -- show menu
+      vim.keymap.set('n', '<leader>hh', ui.toggle_quick_menu, { desc = "[H]arpoon Menu" })
+
+      -- navigation
+      vim.keymap.set('n', '<leader>h1', function() ui.nav_file(1) end, { desc = "[H]arpoon File [1]" })
+      vim.keymap.set('n', '<leader>h2', function() ui.nav_file(2) end, { desc = "[H]arpoon File [2]" })
+      vim.keymap.set('n', '<leader>h3', function() ui.nav_file(3) end, { desc = "[H]arpoon File [3]" })
+      vim.keymap.set('n', '<leader>h4', function() ui.nav_file(4) end, { desc = "[H]arpoon File [4]" })
+      vim.keymap.set('n', '<leader>h5', function() ui.nav_file(5) end, { desc = "[H]arpoon File [5]" })
+      vim.keymap.set('n', '<leader>h6', function() ui.nav_file(6) end, { desc = "[H]arpoon File [6]" })
+      vim.keymap.set('n', '<leader>h7', function() ui.nav_file(7) end, { desc = "[H]arpoon File [7]" })
+      vim.keymap.set('n', '<leader>h8', function() ui.nav_file(8) end, { desc = "[H]arpoon File [8]" })
+      vim.keymap.set('n', '<leader>h9', function() ui.nav_file(9) end, { desc = "[H]arpoon File [9]" })
+      vim.keymap.set('n', '<leader>h0', function() ui.nav_file(0) end, { desc = "[H]arpoon File [0]" })
+    end
+  },
 
   -- Here is a more advanced example where we pass configuration
   -- options to `gitsigns.nvim`. This is equivalent to the following Lua:
diff --git a/lazy-lock.json b/lazy-lock.json
index f8cc984e..2db5e885 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -7,6 +7,7 @@
   "fidget.nvim": { "branch": "main", "commit": "4e854f3299e21d1c18279add340428a97520fc44" },
   "friendly-snippets": { "branch": "main", "commit": "5cc1f45c6aac699ad008fb85f6ae03236062667d" },
   "gitsigns.nvim": { "branch": "main", "commit": "2c2463dbd82eddd7dbab881c3a62cfbfbe3c67ae" },
+  "harpoon": { "branch": "master", "commit": "ccae1b9bec717ae284906b0bf83d720e59d12b91" },
   "indent-blankline.nvim": { "branch": "master", "commit": "821a7acd88587d966f7e464b0b3031dfe7f5680c" },
   "kanagawa.nvim": { "branch": "master", "commit": "ab41956c4559c3eb21e713fcdf54cda1cb6d5f40" },
   "lazy.nvim": { "branch": "main", "commit": "aedcd79811d491b60d0a6577a9c1701063c2a609" },