diff --git a/.stylua.toml b/.stylua.toml
index f608111..4b13416 100644
--- a/.stylua.toml
+++ b/.stylua.toml
@@ -3,4 +3,4 @@ line_endings = "Unix"
 indent_type = "Spaces"
 indent_width = 2
 quote_style = "AutoPreferDouble"
-no_call_parentheses = true
+call_parentheses= "NoSingleTable"
diff --git a/core/colorschemes.lua b/core/colorschemes.lua
index a3cae78..1afacf0 100644
--- a/core/colorschemes.lua
+++ b/core/colorschemes.lua
@@ -1,6 +1,6 @@
 --- This module will load a random colorscheme on nvim startup process.
 
-local utils = require('utils')
+local utils = require("utils")
 
 local M = {}
 
@@ -8,16 +8,16 @@ local M = {}
 -- the same as the colorscheme name itself.
 M.colorscheme2dir = {
   gruvbox8 = "vim-gruvbox8",
-  onedark = 'onedark.nvim',
-  edge = 'edge',
-  sonokai = 'sonokai',
-  gruvbox_material = 'gruvbox-material',
-  nord = 'nord.nvim',
-  doom_one = 'doom-one.nvim',
-  everforest = 'everforest',
-  nightfox = 'nightfox.nvim',
-  kanagawa = 'kanagawa.nvim',
-  catppuccin = 'catppuccin'
+  onedark = "onedark.nvim",
+  edge = "edge",
+  sonokai = "sonokai",
+  gruvbox_material = "gruvbox-material",
+  nord = "nord.nvim",
+  doom_one = "doom-one.nvim",
+  everforest = "everforest",
+  nightfox = "nightfox.nvim",
+  kanagawa = "kanagawa.nvim",
+  catppuccin = "catppuccin",
 }
 
 M.gruvbox8 = function()
@@ -28,57 +28,55 @@ M.gruvbox8 = function()
   vim.g.gruvbox_filetype_hi_groups = 1
   vim.g.gruvbox_plugin_hi_groups = 1
 
-  vim.cmd [[colorscheme gruvbox8_hard]]
+  vim.cmd([[colorscheme gruvbox8_hard]])
 end
 
 M.onedark = function()
-  vim.cmd [[colorscheme onedark]]
+  vim.cmd([[colorscheme onedark]])
 end
 
 M.edge = function()
   vim.g.edge_enable_italic = 1
   vim.g.edge_better_performance = 1
 
-  vim.cmd [[colorscheme edge]]
+  vim.cmd([[colorscheme edge]])
 end
 
 M.sonokai = function()
   vim.g.sonokai_enable_italic = 1
   vim.g.sonokai_better_performance = 1
 
-  vim.cmd [[colorscheme sonokai]]
+  vim.cmd([[colorscheme sonokai]])
 end
 
 M.gruvbox_material = function()
   vim.g.gruvbox_material_enable_italic = 1
   vim.g.gruvbox_material_better_performance = 1
 
-  vim.cmd [[colorscheme gruvbox-material]]
+  vim.cmd([[colorscheme gruvbox-material]])
 end
 
 M.nord = function()
-  vim.cmd [[colorscheme nord]]
+  vim.cmd([[colorscheme nord]])
 end
 
 M.doom_one = function()
-
-  vim.cmd [[colorscheme doom-one]]
+  vim.cmd([[colorscheme doom-one]])
 end
 
 M.everforest = function()
   vim.g.everforest_enable_italic = 1
   vim.g.everforest_better_performance = 1
 
-  vim.cmd [[colorscheme everforest]]
+  vim.cmd([[colorscheme everforest]])
 end
 
 M.nightfox = function()
-  vim.cmd [[colorscheme nordfox]]
+  vim.cmd([[colorscheme nordfox]])
 end
 
-
 M.kanagawa = function()
-  vim.cmd [[colorscheme kanagawa]]
+  vim.cmd([[colorscheme kanagawa]])
 end
 
 M.catppuccin = function()
@@ -87,17 +85,16 @@ M.catppuccin = function()
 
   require("catppuccin").setup()
 
-  vim.cmd [[colorscheme catppuccin]]
+  vim.cmd([[colorscheme catppuccin]])
 end
 
-
 --- Use a random colorscheme from the pre-defined list of colorschemes.
-M.rand_colorscheme = function ()
+M.rand_colorscheme = function()
   local colorscheme = utils.rand_element(vim.tbl_keys(M.colorscheme2dir))
 
   if not vim.tbl_contains(vim.tbl_keys(M), colorscheme) then
     local msg = "Invalid colorscheme: " .. colorscheme
-    vim.notify(msg, vim.log.levels.ERROR, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
 
     return
   end
@@ -107,7 +104,7 @@ M.rand_colorscheme = function ()
 
   if not status then
     local msg = string.format("Colorscheme %s is not installed. Run PackerSync to install.", colorscheme)
-    vim.notify(msg, vim.log.levels.ERROR, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
 
     return
   end
@@ -115,10 +112,10 @@ M.rand_colorscheme = function ()
   -- Load the colorscheme and its settings
   M[colorscheme]()
 
-  if vim.g.logging_level == 'debug' then
+  if vim.g.logging_level == "debug" then
     local msg = "Colorscheme: " .. colorscheme
 
-    vim.notify(msg, vim.log.levels.DEBUG, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.DEBUG, { title = "nvim-config" })
   end
 end
 
diff --git a/core/mappings.lua b/core/mappings.lua
index 82a3a2b..380d42d 100644
--- a/core/mappings.lua
+++ b/core/mappings.lua
@@ -11,30 +11,30 @@ keymap.set("i", "<c-u>", "<Esc>viwUea")
 keymap.set("i", "<c-u>", "<Esc>b~lea")
 
 -- Paste non-linewise text above or below current line, see https://stackoverflow.com/a/1346777/6064933
-keymap.set("n", "<leader>p", "m`o<ESC>p``", { desc = "paste below current line", })
-keymap.set("n", "<leader>P", "m`O<ESC>p``", { desc = "paste above current line", })
+keymap.set("n", "<leader>p", "m`o<ESC>p``", { desc = "paste below current line" })
+keymap.set("n", "<leader>P", "m`O<ESC>p``", { desc = "paste above current line" })
 
 -- Shortcut for faster save and quit
-keymap.set("n", "<leader>w", "<cmd>update<cr>", { silent = true, desc = "save buffer", })
+keymap.set("n", "<leader>w", "<cmd>update<cr>", { silent = true, desc = "save buffer" })
 
 -- Saves the file if modified and quit
 keymap.set("n", "<leader>q", "<cmd>x<cr>", { silent = true, desc = "quit current window" })
 
 -- Quit all opened buffers
-keymap.set("n", "<leader>Q", "<cmd>qa!<cr>", { silent = true, desc = "quit nvim", })
+keymap.set("n", "<leader>Q", "<cmd>qa!<cr>", { silent = true, desc = "quit nvim" })
 
 -- Navigation in the location and quickfix list
-keymap.set("n", "[l", "<cmd>lprevious<cr>zv", { silent = true, desc = "previous location item", })
-keymap.set("n", "]l", "<cmd>lnext<cr>zv", { silent = true, desc = "next location item", })
+keymap.set("n", "[l", "<cmd>lprevious<cr>zv", { silent = true, desc = "previous location item" })
+keymap.set("n", "]l", "<cmd>lnext<cr>zv", { silent = true, desc = "next location item" })
 
-keymap.set("n", "[L", "<cmd>lfirst<cr>zv", { silent = true, desc = "first location item", })
-keymap.set("n", "]L", "<cmd>llast<cr>zv", { silent = true, desc = "last location item", })
+keymap.set("n", "[L", "<cmd>lfirst<cr>zv", { silent = true, desc = "first location item" })
+keymap.set("n", "]L", "<cmd>llast<cr>zv", { silent = true, desc = "last location item" })
 
-keymap.set("n", "[q", "<cmd>cprevious<cr>zv", { silent = true, desc = "previous qf item", })
-keymap.set("n", "]q", "<cmd>cnext<cr>zv", { silent = true, desc = "next qf item", })
+keymap.set("n", "[q", "<cmd>cprevious<cr>zv", { silent = true, desc = "previous qf item" })
+keymap.set("n", "]q", "<cmd>cnext<cr>zv", { silent = true, desc = "next qf item" })
 
-keymap.set("n", "[Q", "<cmd>cfirst<cr>zv", { silent = true, desc = "first qf item", })
-keymap.set("n", "]Q", "<cmd>clast<cr>zv", { silent = true, desc = "last qf item", })
+keymap.set("n", "[Q", "<cmd>cfirst<cr>zv", { silent = true, desc = "first qf item" })
+keymap.set("n", "]Q", "<cmd>clast<cr>zv", { silent = true, desc = "last qf item" })
 
 -- Close location list or quickfix list if they are present, see https://superuser.com/q/355325/736190
 keymap.set("n", [[\x]], "<cmd>windo lclose <bar> cclose <cr>", {
@@ -89,10 +89,10 @@ keymap.set("n", "<leader>sv", "", {
   silent = true,
   desc = "reload init.lua",
   callback = function()
-    vim.cmd [[
+    vim.cmd([[
       update $MYVIMRC
       source $MYVIMRC
-    ]]
+    ]])
     vim.notify("Nvim config successfully reloaded!", vim.log.levels.INFO, { title = "nvim-config" })
   end,
 })
@@ -111,14 +111,14 @@ keymap.set("n", "/", [[/\v]])
 
 -- Change current working directory locally and print cwd after that,
 -- see https://vim.fandom.com/wiki/Set_working_directory_to_the_current_file
-keymap.set("n", "<leader>cd", "<cmd>lcd %:p:h<cr><cmd>pwd<cr>", { desc = "change cwd", })
+keymap.set("n", "<leader>cd", "<cmd>lcd %:p:h<cr><cmd>pwd<cr>", { desc = "change cwd" })
 
 -- Use Esc to quit builtin terminal
 keymap.set("t", "<Esc>", [[<c-\><c-n>]])
 
 -- Toggle spell checking
-keymap.set("n", "<F11>", "<cmd>set spell!<cr>", { desc = "toggle spell", })
-keymap.set("i", "<F11>", "<c-o><cmd>set spell!<cr>", { desc = "toggle spell", })
+keymap.set("n", "<F11>", "<cmd>set spell!<cr>", { desc = "toggle spell" })
+keymap.set("i", "<F11>", "<c-o><cmd>set spell!<cr>", { desc = "toggle spell" })
 
 -- Change text without putting it into the vim register,
 -- see https://stackoverflow.com/q/54255/6064933
@@ -128,25 +128,25 @@ keymap.set("n", "cc", '"_cc')
 keymap.set("x", "c", '"_c')
 
 -- Remove trailing whitespace characters
-keymap.set("n", "<leader><space>", "<cmd>StripTrailingWhitespace<cr>", { desc = "remove trailing space", })
+keymap.set("n", "<leader><space>", "<cmd>StripTrailingWhitespace<cr>", { desc = "remove trailing space" })
 
 -- check the syntax group of current cursor position
-keymap.set("n", "<leader>st", "<cmd>call utils#SynGroup()<cr>", { desc = "check syntax group", })
+keymap.set("n", "<leader>st", "<cmd>call utils#SynGroup()<cr>", { desc = "check syntax group" })
 
 -- Copy entire buffer.
-keymap.set("n", "<leader>y", "<cmd>%yank<cr>", { desc = "yank entire buffer", })
+keymap.set("n", "<leader>y", "<cmd>%yank<cr>", { desc = "yank entire buffer" })
 
 -- Toggle cursor column
-keymap.set("n", "<leader>cl", "<cmd>call utils#ToggleCursorCol()<cr>", { desc = "toggle cursor column", })
+keymap.set("n", "<leader>cl", "<cmd>call utils#ToggleCursorCol()<cr>", { desc = "toggle cursor column" })
 
 -- Move current line up and down
-keymap.set("n", "<A-k>", '<cmd>call utils#SwitchLine(line("."), "up")<cr>', { desc = "move line up", })
-keymap.set("n", "<A-j>", '<cmd>call utils#SwitchLine(line("."), "down")<cr>', { desc = "move line down", })
+keymap.set("n", "<A-k>", '<cmd>call utils#SwitchLine(line("."), "up")<cr>', { desc = "move line up" })
+keymap.set("n", "<A-j>", '<cmd>call utils#SwitchLine(line("."), "down")<cr>', { desc = "move line down" })
 
 -- Move current visual-line selection up and down
-keymap.set("x", "<A-k>", '<cmd>call utils#MoveSelection("up")<cr>', { desc = "move selection up", })
+keymap.set("x", "<A-k>", '<cmd>call utils#MoveSelection("up")<cr>', { desc = "move selection up" })
 
-keymap.set("x", "<A-j>", '<cmd>call utils#MoveSelection("down")<cr>', { desc = "move selection down", })
+keymap.set("x", "<A-j>", '<cmd>call utils#MoveSelection("down")<cr>', { desc = "move selection down" })
 
 -- Replace visual selection with text in register, but not contaminate the register,
 -- see also https://stackoverflow.com/q/10723700/6064933.
@@ -167,19 +167,19 @@ keymap.set("n", "<Up>", "<C-W>k")
 keymap.set("n", "<Down>", "<C-W>j")
 
 -- Text objects for URL
-keymap.set({ "x", "o" }, "iu", "<cmd>call text_obj#URL()<cr>", { desc = "URL text object", })
+keymap.set({ "x", "o" }, "iu", "<cmd>call text_obj#URL()<cr>", { desc = "URL text object" })
 
 -- Text objects for entire buffer
-keymap.set({ "x", "o" }, "iB", "<cmd>call text_obj#Buffer()<cr>", { desc = "buffer text object", })
+keymap.set({ "x", "o" }, "iB", "<cmd>call text_obj#Buffer()<cr>", { desc = "buffer text object" })
 
 -- Do not move my cursor when joining lines.
 keymap.set("n", "J", "", {
   desc = "join line",
   callback = function()
-    vim.cmd [[
+    vim.cmd([[
       normal! mzJ`z
       delmarks z
-    ]]
+    ]])
   end,
 })
 
@@ -187,42 +187,42 @@ keymap.set("n", "gJ", "mzgJ`z", {
   desc = "join visual lines",
   callback = function()
     -- we must use `normal!`, otherwise it will trigger recursive mapping
-    vim.cmd [[
+    vim.cmd([[
       normal! zmgJ`z
       delmarks z
-    ]]
-  end
+    ]])
+  end,
 })
 
 -- Break inserted text into smaller undo units when we insert some punctuation chars.
-local undo_ch = { ',', '.', '!', '?', ';', ':' }
+local undo_ch = { ",", ".", "!", "?", ";", ":" }
 for _, ch in ipairs(undo_ch) do
-  keymap.set('i', ch, ch .. '<c-g>u')
+  keymap.set("i", ch, ch .. "<c-g>u")
 end
 
 -- insert semicolon in the end
-keymap.set('i', '<A-;>', '<Esc>miA;<Esc>`ii')
+keymap.set("i", "<A-;>", "<Esc>miA;<Esc>`ii")
 
 -- Keep cursor position after yanking
-keymap.set('n', 'y', 'myy')
+keymap.set("n", "y", "myy")
 
-api.nvim_create_autocmd('TextYankPost', {
-  pattern = '*',
+api.nvim_create_autocmd("TextYankPost", {
+  pattern = "*",
   group = api.nvim_create_augroup("restore_after_yank", { clear = true }),
   callback = function()
-    vim.cmd [[
+    vim.cmd([[
       silent! normal! `y
       silent! delmarks y
-    ]]
-  end
+    ]])
+  end,
 })
 
 -- Go to the beginning and end of current line in insert mode quickly
-keymap.set('i', '<C-A>', '<HOME>')
-keymap.set('i', '<C-E>', '<END>')
+keymap.set("i", "<C-A>", "<HOME>")
+keymap.set("i", "<C-E>", "<END>")
 
 -- Go to beginning of command in command-line mode
-keymap.set('c', '<C-A>', '<HOME>')
+keymap.set("c", "<C-A>", "<HOME>")
 
 -- Delete the character to the right of the cursor
-keymap.set('i', '<C-D>', '<DEL>')
+keymap.set("i", "<C-D>", "<DEL>")
diff --git a/init.lua b/init.lua
index de5909b..658d3ce 100644
--- a/init.lua
+++ b/init.lua
@@ -9,7 +9,7 @@
 -- Blog: https://jdhao.github.io/
 
 local api = vim.api
-local utils = require "utils"
+local utils = require("utils")
 
 -- check if we have the latest stable version of nvim
 local expected_ver = "0.7.2"
@@ -22,17 +22,17 @@ if nvim_ver ~= expected_ver then
 end
 
 local core_conf_files = {
-  "globals.vim",       -- some global settings
-  "options.vim",       -- setting options in nvim
-  "autocommands.vim",  -- various autocommands
-  "mappings.lua",      -- all the user-defined mappings
-  "plugins.vim",       -- all the plugins installed and their configurations
-  "colorschemes.lua",  -- colorscheme settings
+  "globals.vim", -- some global settings
+  "options.vim", -- setting options in nvim
+  "autocommands.vim", -- various autocommands
+  "mappings.lua", -- all the user-defined mappings
+  "plugins.vim", -- all the plugins installed and their configurations
+  "colorschemes.lua", -- colorscheme settings
 }
 
 -- source all the core config files
 for _, name in ipairs(core_conf_files) do
-  local path = string.format("%s/core/%s", vim.fn.stdpath('config'), name)
+  local path = string.format("%s/core/%s", vim.fn.stdpath("config"), name)
   local source_cmd = "source " .. path
   vim.cmd(source_cmd)
 end
diff --git a/lua/config/bqf.lua b/lua/config/bqf.lua
index bf4bf58..c62a513 100644
--- a/lua/config/bqf.lua
+++ b/lua/config/bqf.lua
@@ -1,6 +1,6 @@
-require("bqf").setup({
+require("bqf").setup {
   auto_resize_height = false,
   preview = {
     auto_preview = false,
-  }
-})
+  },
+}
diff --git a/lua/config/bufferline.lua b/lua/config/bufferline.lua
index b68cfa8..9089a83 100644
--- a/lua/config/bufferline.lua
+++ b/lua/config/bufferline.lua
@@ -1,4 +1,4 @@
-require("bufferline").setup({
+require("bufferline").setup {
   options = {
     numbers = "buffer_id",
     close_command = "bdelete! %d",
@@ -6,8 +6,8 @@ require("bufferline").setup({
     left_mouse_command = "buffer %d",
     middle_mouse_command = nil,
     indicator = {
-        icon = '▎', -- this should be omitted if indicator style is not 'icon'
-        style = 'icon',
+      icon = "▎", -- this should be omitted if indicator style is not 'icon'
+      style = "icon",
     },
     buffer_close_icon = "",
     modified_icon = "●",
@@ -43,4 +43,4 @@ require("bufferline").setup({
     always_show_bufferline = true,
     sort_by = "id",
   },
-})
+}
diff --git a/lua/config/dashboard-nvim.lua b/lua/config/dashboard-nvim.lua
index 5dff685..9329953 100644
--- a/lua/config/dashboard-nvim.lua
+++ b/lua/config/dashboard-nvim.lua
@@ -52,8 +52,8 @@ dashboard.custom_center = {
     desc = "Quit Nvim                               ",
     -- desc = "Quit Nvim                               ",
     action = "qa",
-    shortcut = "q           "
-  }
+    shortcut = "q           ",
+  },
 }
 
 vim.cmd([[
diff --git a/lua/config/fidget-nvim.lua b/lua/config/fidget-nvim.lua
index 5225f06..945f564 100644
--- a/lua/config/fidget-nvim.lua
+++ b/lua/config/fidget-nvim.lua
@@ -1 +1 @@
-require"fidget".setup{}
+require("fidget").setup {}
diff --git a/lua/config/fugitive.lua b/lua/config/fugitive.lua
index 40a9208..13ffaff 100644
--- a/lua/config/fugitive.lua
+++ b/lua/config/fugitive.lua
@@ -1,8 +1,8 @@
 local keymap = vim.keymap
 
-keymap.set('n', '<leader>gs', '<cmd>Git<cr>', { desc = 'Git status' })
-keymap.set('n', '<leader>gw', '<cmd>Gwrite<cr>', { desc = 'Git add' })
-keymap.set('n', '<leader>gc', '<cmd>Git commit<cr>', { desc = 'Git commit' })
-keymap.set('n', '<leader>gd', '<cmd>Gdiffsplit<cr>', { desc = 'Git diff' })
-keymap.set('n', '<leader>gpl', '<cmd>Git pull<cr>', { desc = 'Git pull' })
-keymap.set('n', '<leader>gpu', '<cmd>15 split|term git push<cr>', { desc = 'Git push' })
+keymap.set("n", "<leader>gs", "<cmd>Git<cr>", { desc = "Git status" })
+keymap.set("n", "<leader>gw", "<cmd>Gwrite<cr>", { desc = "Git add" })
+keymap.set("n", "<leader>gc", "<cmd>Git commit<cr>", { desc = "Git commit" })
+keymap.set("n", "<leader>gd", "<cmd>Gdiffsplit<cr>", { desc = "Git diff" })
+keymap.set("n", "<leader>gpl", "<cmd>Git pull<cr>", { desc = "Git pull" })
+keymap.set("n", "<leader>gpu", "<cmd>15 split|term git push<cr>", { desc = "Git push" })
diff --git a/lua/config/git-linker.lua b/lua/config/git-linker.lua
index f19210b..e2f7607 100644
--- a/lua/config/git-linker.lua
+++ b/lua/config/git-linker.lua
@@ -1,15 +1,15 @@
 local keymap = vim.keymap
-local gitlinker = require('gitlinker')
+local gitlinker = require("gitlinker")
 
-gitlinker.setup({
+gitlinker.setup {
   mappings = nil,
-})
+}
 
-keymap.set({ 'n', 'v' }, '<leader>gl', '', {
+keymap.set({ "n", "v" }, "<leader>gl", "", {
   silent = true,
   desc = "get git permlink",
   callback = function()
     local mode = string.lower(vim.fn.mode())
     gitlinker.get_buf_range_url(mode)
-  end
+  end,
 })
diff --git a/lua/config/gitsigns.lua b/lua/config/gitsigns.lua
index 0543412..81f6b57 100644
--- a/lua/config/gitsigns.lua
+++ b/lua/config/gitsigns.lua
@@ -1,4 +1,4 @@
-local gs = require "gitsigns"
+local gs = require("gitsigns")
 
 gs.setup {
   signs = {
@@ -25,7 +25,7 @@ gs.setup {
         gs.next_hunk()
       end)
       return "<Ignore>"
-    end, { expr = true, desc = 'next hunk' })
+    end, { expr = true, desc = "next hunk" })
 
     map("n", "[c", function()
       if vim.wo.diff then
@@ -35,10 +35,12 @@ gs.setup {
         gs.prev_hunk()
       end)
       return "<Ignore>"
-    end, { expr = true, desc = 'previous hunk' })
+    end, { expr = true, desc = "previous hunk" })
 
     -- Actions
     map("n", "<leader>hp", gs.preview_hunk)
-    map("n", "<leader>hb", function() gs.blame_line { full = true } end)
+    map("n", "<leader>hb", function()
+      gs.blame_line { full = true }
+    end)
   end,
 }
diff --git a/lua/config/hlslens.lua b/lua/config/hlslens.lua
index f5c76ad..13541c4 100644
--- a/lua/config/hlslens.lua
+++ b/lua/config/hlslens.lua
@@ -1,12 +1,12 @@
 local api = vim.api
 local keymap = vim.keymap
 
-local hlslens = require('hlslens')
+local hlslens = require("hlslens")
 
-hlslens.setup({
+hlslens.setup {
   calm_down = true,
   nearest_only = true,
-})
+}
 
 local activate_hlslens = function(direction)
   local cmd = string.format("normal! %s%szzzv", vim.v.count1, direction)
@@ -22,13 +22,17 @@ local activate_hlslens = function(direction)
   hlslens.start()
 end
 
-keymap.set('n', 'n', '', {
-  callback = function() activate_hlslens('n') end
+keymap.set("n", "n", "", {
+  callback = function()
+    activate_hlslens("n")
+  end,
 })
 
-keymap.set('n', 'N', '', {
-  callback = function() activate_hlslens('N') end
+keymap.set("n", "N", "", {
+  callback = function()
+    activate_hlslens("N")
+  end,
 })
 
-keymap.set('n', '*', "<Plug>(asterisk-z*)<Cmd>lua require('hlslens').start()<CR>")
-keymap.set('n', '#', "<Plug>(asterisk-z#)<Cmd>lua require('hlslens').start()<CR>")
+keymap.set("n", "*", "<Plug>(asterisk-z*)<Cmd>lua require('hlslens').start()<CR>")
+keymap.set("n", "#", "<Plug>(asterisk-z#)<Cmd>lua require('hlslens').start()<CR>")
diff --git a/lua/config/indent-blankline.lua b/lua/config/indent-blankline.lua
index 597b508..3c4a33d 100644
--- a/lua/config/indent-blankline.lua
+++ b/lua/config/indent-blankline.lua
@@ -1,7 +1,7 @@
 local api = vim.api
 
 local exclude_ft = { "help", "git", "markdown", "snippets", "text", "gitconfig", "alpha" }
-require("indent_blankline").setup({
+require("indent_blankline").setup {
   -- U+2502 may also be a good choice, it will be on the middle of cursor.
   -- U+250A is also a good choice
   char = "▏",
@@ -9,13 +9,13 @@ require("indent_blankline").setup({
   disable_with_nolist = true,
   buftype_exclude = { "terminal" },
   filetype_exclude = exclude_ft,
-})
+}
 
 local gid = api.nvim_create_augroup("indent_blankline", { clear = true })
 api.nvim_create_autocmd("InsertEnter", {
   pattern = "*",
   group = gid,
-  command = "IndentBlanklineDisable"
+  command = "IndentBlanklineDisable",
 })
 
 api.nvim_create_autocmd("InsertLeave", {
@@ -23,7 +23,7 @@ api.nvim_create_autocmd("InsertLeave", {
   group = gid,
   callback = function()
     if not vim.tbl_contains(exclude_ft, vim.bo.filetype) then
-      vim.cmd [[IndentBlanklineEnable]]
+      vim.cmd([[IndentBlanklineEnable]])
     end
-  end
+  end,
 })
diff --git a/lua/config/iron.lua b/lua/config/iron.lua
index 74d7046..67f5d81 100644
--- a/lua/config/iron.lua
+++ b/lua/config/iron.lua
@@ -1,7 +1,7 @@
 local iron = require("iron")
-iron.core.set_config({
+iron.core.set_config {
   preferred = {
     python = "ipython",
   },
   repl_open_cmd = "vertical 120 split",
-})
+}
diff --git a/lua/config/lsp.lua b/lua/config/lsp.lua
index 76436a4..0fad17a 100644
--- a/lua/config/lsp.lua
+++ b/lua/config/lsp.lua
@@ -14,37 +14,41 @@ local custom_attach = function(client, bufnr)
     keymap.set(mode, l, r, opts)
   end
 
-  map("n", "gd", vim.lsp.buf.definition, {desc = 'go to definition'})
+  map("n", "gd", vim.lsp.buf.definition, { desc = "go to definition" })
   map("n", "<C-]>", vim.lsp.buf.definition)
   map("n", "K", vim.lsp.buf.hover)
   map("n", "<C-k>", vim.lsp.buf.signature_help)
-  map("n", "<space>rn", vim.lsp.buf.rename, { desc = 'varialbe rename' })
-  map("n", "gr", vim.lsp.buf.references, { desc = 'show references' })
-  map("n", "[d", vim.diagnostic.goto_prev, { desc = 'previous diagnostic' })
-  map("n", "]d", vim.diagnostic.goto_next, { desc = 'next diagnostic' })
-  map("n", "<space>q", function() vim.diagnostic.setqflist({open = true}) end, { desc = 'put diagnostic to qf' })
-  map("n", "<space>ca", vim.lsp.buf.code_action, { desc = 'LSP code action' })
-  map("n", "<space>wa", vim.lsp.buf.add_workspace_folder, { desc = 'add workspace folder' } )
-  map("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, { desc = 'remove workspace folder' })
-  map("n", "<space>wl", function() inspect(vim.lsp.buf.list_workspace_folders()) end, { desc = 'list workspace folder' })
+  map("n", "<space>rn", vim.lsp.buf.rename, { desc = "varialbe rename" })
+  map("n", "gr", vim.lsp.buf.references, { desc = "show references" })
+  map("n", "[d", vim.diagnostic.goto_prev, { desc = "previous diagnostic" })
+  map("n", "]d", vim.diagnostic.goto_next, { desc = "next diagnostic" })
+  map("n", "<space>q", function()
+    vim.diagnostic.setqflist { open = true }
+  end, { desc = "put diagnostic to qf" })
+  map("n", "<space>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
+  map("n", "<space>wa", vim.lsp.buf.add_workspace_folder, { desc = "add workspace folder" })
+  map("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, { desc = "remove workspace folder" })
+  map("n", "<space>wl", function()
+    inspect(vim.lsp.buf.list_workspace_folders())
+  end, { desc = "list workspace folder" })
 
   -- Set some key bindings conditional on server capabilities
   if client.resolved_capabilities.document_formatting then
-    map("n", "<space>f", vim.lsp.buf.formatting_sync, { desc = 'format code' })
+    map("n", "<space>f", vim.lsp.buf.formatting_sync, { desc = "format code" })
   end
   if client.resolved_capabilities.document_range_formatting then
-    map("x", "<space>f", vim.lsp.buf.range_formatting, { desc = 'range format' })
+    map("x", "<space>f", vim.lsp.buf.range_formatting, { desc = "range format" })
   end
 
   api.nvim_create_autocmd("CursorHold", {
-    buffer=bufnr,
+    buffer = bufnr,
     callback = function()
       local float_opts = {
         focusable = false,
         close_events = { "BufLeave", "CursorMoved", "InsertEnter", "FocusLost" },
-        border = 'rounded',
-        source = 'always',  -- show source in diagnostic popup window
-        prefix = ' '
+        border = "rounded",
+        source = "always", -- show source in diagnostic popup window
+        prefix = " ",
       }
 
       if not vim.b.diagnostics_pos then
@@ -52,14 +56,15 @@ local custom_attach = function(client, bufnr)
       end
 
       local cursor_pos = api.nvim_win_get_cursor(0)
-      if (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2]) and
-        #vim.diagnostic.get() > 0
+      if
+        (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2])
+        and #vim.diagnostic.get() > 0
       then
-          vim.diagnostic.open_float(nil, float_opts)
+        vim.diagnostic.open_float(nil, float_opts)
       end
 
       vim.b.diagnostics_pos = cursor_pos
-    end
+    end,
   })
 
   -- The blow command will highlight the current variable and its usages in the buffer.
@@ -76,20 +81,20 @@ local custom_attach = function(client, bufnr)
     ]])
   end
 
-  if vim.g.logging_level == 'debug' then
+  if vim.g.logging_level == "debug" then
     local msg = string.format("Language server %s started!", client.name)
-    vim.notify(msg, vim.log.levels.DEBUG, {title = 'Nvim-config'})
+    vim.notify(msg, vim.log.levels.DEBUG, { title = "Nvim-config" })
   end
 end
 
 local capabilities = lsp.protocol.make_client_capabilities()
-capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
+capabilities = require("cmp_nvim_lsp").update_capabilities(capabilities)
 capabilities.textDocument.completion.completionItem.snippetSupport = true
 
 local lspconfig = require("lspconfig")
 
-if utils.executable('pylsp') then
-  lspconfig.pylsp.setup({
+if utils.executable("pylsp") then
+  lspconfig.pylsp.setup {
     on_attach = custom_attach,
     settings = {
       pylsp = {
@@ -107,9 +112,9 @@ if utils.executable('pylsp') then
       debounce_text_changes = 200,
     },
     capabilities = capabilities,
-  })
+  }
 else
-  vim.notify("pylsp not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
+  vim.notify("pylsp not found!", vim.log.levels.WARN, { title = "Nvim-config" })
 end
 
 -- if utils.executable('pyright') then
@@ -121,43 +126,43 @@ end
 --   vim.notify("pyright not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
 -- end
 
-if utils.executable('clangd') then
-  lspconfig.clangd.setup({
+if utils.executable("clangd") then
+  lspconfig.clangd.setup {
     on_attach = custom_attach,
     capabilities = capabilities,
     filetypes = { "c", "cpp", "cc" },
     flags = {
       debounce_text_changes = 500,
     },
-  })
+  }
 else
-  vim.notify("clangd not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
+  vim.notify("clangd not found!", vim.log.levels.WARN, { title = "Nvim-config" })
 end
 
 -- set up vim-language-server
-if utils.executable('vim-language-server') then
-  lspconfig.vimls.setup({
+if utils.executable("vim-language-server") then
+  lspconfig.vimls.setup {
     on_attach = custom_attach,
     flags = {
       debounce_text_changes = 500,
     },
     capabilities = capabilities,
-  })
+  }
 else
-  vim.notify("vim-language-server not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
+  vim.notify("vim-language-server not found!", vim.log.levels.WARN, { title = "Nvim-config" })
 end
 
 -- set up bash-language-server
-if utils.executable('bash-language-server') then
-  lspconfig.bashls.setup({
+if utils.executable("bash-language-server") then
+  lspconfig.bashls.setup {
     on_attach = custom_attach,
     capabilities = capabilities,
-  })
+  }
 end
 
 if utils.executable("lua-language-server") then
   -- settings for lua-language-server can be found on https://github.com/sumneko/lua-language-server/wiki/Settings .
-  lspconfig.sumneko_lua.setup({
+  lspconfig.sumneko_lua.setup {
     on_attach = custom_attach,
     settings = {
       Lua = {
@@ -174,8 +179,8 @@ if utils.executable("lua-language-server") then
           -- see also https://github.com/sumneko/lua-language-server/wiki/Libraries#link-to-workspace .
           -- Lua-dev.nvim also has similar settings for sumneko lua, https://github.com/folke/lua-dev.nvim/blob/main/lua/lua-dev/sumneko.lua .
           library = {
-            fn.stdpath('data') .. "/site/pack/packer/opt/emmylua-nvim",
-            fn.stdpath('config'),
+            fn.stdpath("data") .. "/site/pack/packer/opt/emmylua-nvim",
+            fn.stdpath("config"),
           },
           maxPreload = 2000,
           preloadFileSize = 50000,
@@ -183,7 +188,7 @@ if utils.executable("lua-language-server") then
       },
     },
     capabilities = capabilities,
-  })
+  }
 end
 
 -- Change diagnostic signs.
@@ -193,12 +198,12 @@ fn.sign_define("DiagnosticSignInformation", { text = "", texthl = "Diagnostic
 fn.sign_define("DiagnosticSignHint", { text = "", texthl = "DiagnosticSignHint" })
 
 -- global config for diagnostic
-vim.diagnostic.config({
+vim.diagnostic.config {
   underline = false,
   virtual_text = false,
   signs = true,
   severity_sort = true,
-})
+}
 
 -- lsp.handlers["textDocument/publishDiagnostics"] = lsp.with(lsp.diagnostic.on_publish_diagnostics, {
 --   underline = false,
diff --git a/lua/config/neoscroll.lua b/lua/config/neoscroll.lua
index 45b7c08..6d9701b 100644
--- a/lua/config/neoscroll.lua
+++ b/lua/config/neoscroll.lua
@@ -1,6 +1,6 @@
-require("neoscroll").setup({
+require("neoscroll").setup {
   easing_function = "quadratic",
-})
+}
 
 local t = {}
 -- Syntax: t[keys] = {function, {function arguments}}
diff --git a/lua/config/nvim-cmp.lua b/lua/config/nvim-cmp.lua
index e7fed19..188c985 100644
--- a/lua/config/nvim-cmp.lua
+++ b/lua/config/nvim-cmp.lua
@@ -1,54 +1,54 @@
 -- Setup nvim-cmp.
-local cmp = require'cmp'
-local lspkind = require'lspkind'
+local cmp = require("cmp")
+local lspkind = require("lspkind")
 
-cmp.setup({
+cmp.setup {
   snippet = {
     expand = function(args)
       -- For `ultisnips` user.
       vim.fn["UltiSnips#Anon"](args.body)
     end,
   },
-  mapping = cmp.mapping.preset.insert({
-          ['<Tab>'] = function(fallback)
-            if cmp.visible() then
-              cmp.select_next_item()
-            else
-              fallback()
-            end
-          end,
-          ['<S-Tab>'] = function(fallback)
-            if cmp.visible() then
-              cmp.select_prev_item()
-            else
-              fallback()
-            end
-          end,
-          ['<CR>'] = cmp.mapping.confirm({ select = true }),
-          ['<C-e>'] = cmp.mapping.abort(),
-          ['<Esc>'] = cmp.mapping.close(),
-          ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-          ['<C-f>'] = cmp.mapping.scroll_docs(4),
-        }),
+  mapping = cmp.mapping.preset.insert {
+    ["<Tab>"] = function(fallback)
+      if cmp.visible() then
+        cmp.select_next_item()
+      else
+        fallback()
+      end
+    end,
+    ["<S-Tab>"] = function(fallback)
+      if cmp.visible() then
+        cmp.select_prev_item()
+      else
+        fallback()
+      end
+    end,
+    ["<CR>"] = cmp.mapping.confirm { select = true },
+    ["<C-e>"] = cmp.mapping.abort(),
+    ["<Esc>"] = cmp.mapping.close(),
+    ["<C-d>"] = cmp.mapping.scroll_docs(-4),
+    ["<C-f>"] = cmp.mapping.scroll_docs(4),
+  },
   sources = {
-    { name = 'nvim_lsp' }, -- For nvim-lsp
-    { name = 'ultisnips' }, -- For ultisnips user.
-    { name = 'path' }, -- for path completion
-    { name = 'buffer', keyword_length = 2 }, -- for buffer word completion
-    { name = 'omni' },
-    { name = 'emoji', insert = true, } -- emoji completion
+    { name = "nvim_lsp" }, -- For nvim-lsp
+    { name = "ultisnips" }, -- For ultisnips user.
+    { name = "path" }, -- for path completion
+    { name = "buffer", keyword_length = 2 }, -- for buffer word completion
+    { name = "omni" },
+    { name = "emoji", insert = true }, -- emoji completion
   },
   completion = {
     keyword_length = 1,
-    completeopt = "menu,noselect"
+    completeopt = "menu,noselect",
   },
   view = {
-    entries = 'custom',
+    entries = "custom",
   },
   formatting = {
-    format = lspkind.cmp_format({
+    format = lspkind.cmp_format {
       mode = "symbol_text",
-      menu = ({
+      menu = {
         nvim_lsp = "[LSP]",
         ultisnips = "[US]",
         nvim_lua = "[Lua]",
@@ -56,13 +56,13 @@ cmp.setup({
         buffer = "[Buffer]",
         emoji = "[Emoji]",
         omni = "[Omni]",
-      }),
-    }),
+      },
+    },
   },
-})
+}
 
 --  see https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance#how-to-add-visual-studio-code-dark-theme-colors-to-the-menu
-vim.cmd[[
+vim.cmd([[
   highlight! link CmpItemMenu Comment
   " gray
   highlight! CmpItemAbbrDeprecated guibg=NONE gui=strikethrough guifg=#808080
@@ -80,4 +80,4 @@ vim.cmd[[
   highlight! CmpItemKindKeyword guibg=NONE guifg=#D4D4D4
   highlight! CmpItemKindProperty guibg=NONE guifg=#D4D4D4
   highlight! CmpItemKindUnit guibg=NONE guifg=#D4D4D4
-]]
+]])
diff --git a/lua/config/nvim-notify.lua b/lua/config/nvim-notify.lua
index d64228f..4fcd02e 100644
--- a/lua/config/nvim-notify.lua
+++ b/lua/config/nvim-notify.lua
@@ -1,10 +1,10 @@
 local nvim_notify = require("notify")
-nvim_notify.setup({
+nvim_notify.setup {
   -- Animation style
   stages = "fade_in_slide_out",
   -- Default timeout for notifications
   timeout = 1500,
   background_colour = "#2E3440",
-})
+}
 
 vim.notify = nvim_notify
diff --git a/lua/config/nvim-tree.lua b/lua/config/nvim-tree.lua
index c34c1d5..737911f 100644
--- a/lua/config/nvim-tree.lua
+++ b/lua/config/nvim-tree.lua
@@ -1,7 +1,7 @@
 local keymap = vim.keymap
 local nvim_tree = require("nvim-tree")
 
-nvim_tree.setup({
+nvim_tree.setup {
   auto_reload_on_write = true,
   disable_netrw = false,
   hijack_cursor = false,
@@ -112,9 +112,8 @@ nvim_tree.setup({
       profile = false,
     },
   },
-})
+}
 
-keymap.set('n', '<space>s', function()
-  return require('nvim-tree').toggle(false, true)
-end,
-  { silent = true, desc = "toggle nvim-tree" })
+keymap.set("n", "<space>s", function()
+  return require("nvim-tree").toggle(false, true)
+end, { silent = true, desc = "toggle nvim-tree" })
diff --git a/lua/config/nvim_hop.lua b/lua/config/nvim_hop.lua
index b774046..b1df219 100644
--- a/lua/config/nvim_hop.lua
+++ b/lua/config/nvim_hop.lua
@@ -1,14 +1,14 @@
-vim.cmd [[hi HopNextKey cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]]
-vim.cmd [[hi HopNextKey1 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]]
-vim.cmd [[hi HopNextKey2 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]]
+vim.cmd([[hi HopNextKey cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]])
+vim.cmd([[hi HopNextKey1 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]])
+vim.cmd([[hi HopNextKey2 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]])
 
 local keymap = vim.keymap
-local hop = require "hop"
-hop.setup({
+local hop = require("hop")
+hop.setup {
   case_insensitive = true,
   char2_fallback_key = "<CR>",
   quit_key = "<Esc>",
-})
+}
 
 keymap.set({ "n", "v", "o" }, "f", "", {
   silent = true,
diff --git a/lua/config/statusline.lua b/lua/config/statusline.lua
index bb018ce..846d561 100644
--- a/lua/config/statusline.lua
+++ b/lua/config/statusline.lua
@@ -11,9 +11,9 @@ end
 local function ime_state()
   if vim.g.is_mac then
     -- ref: https://github.com/vim-airline/vim-airline/blob/master/autoload/airline/extensions/xkblayout.vim#L11
-    local layout = fn.libcall(vim.g.XkbSwitchLib, 'Xkb_Switch_getXkbLayout', '')
-    if layout == '0' then
-      return '[CN]'
+    local layout = fn.libcall(vim.g.XkbSwitchLib, "Xkb_Switch_getXkbLayout", "")
+    if layout == "0" then
+      return "[CN]"
     end
   end
 
@@ -27,7 +27,7 @@ local function trailing_space()
 
   local line_num = nil
 
-  for i=1, fn.line('$') do
+  for i = 1, fn.line("$") do
     local linetext = fn.getline(i)
     -- To prevent invalid escape error, we wrap the regex string with `[[]]`.
     local idx = fn.match(linetext, [[\v\s+$]])
@@ -53,24 +53,26 @@ local function mixed_indent()
 
   local space_pat = [[\v^ +]]
   local tab_pat = [[\v^\t+]]
-  local space_indent = fn.search(space_pat, 'nwc')
-  local tab_indent = fn.search(tab_pat, 'nwc')
+  local space_indent = fn.search(space_pat, "nwc")
+  local tab_indent = fn.search(tab_pat, "nwc")
   local mixed = (space_indent > 0 and tab_indent > 0)
   local mixed_same_line
   if not mixed then
-    mixed_same_line = fn.search([[\v^(\t+ | +\t)]], 'nwc')
+    mixed_same_line = fn.search([[\v^(\t+ | +\t)]], "nwc")
     mixed = mixed_same_line > 0
   end
-  if not mixed then return '' end
-  if mixed_same_line ~= nil and mixed_same_line > 0 then
-     return 'MI:'..mixed_same_line
+  if not mixed then
+    return ""
   end
-  local space_indent_cnt = fn.searchcount({pattern=space_pat, max_count=1e3}).total
-  local tab_indent_cnt =  fn.searchcount({pattern=tab_pat, max_count=1e3}).total
+  if mixed_same_line ~= nil and mixed_same_line > 0 then
+    return "MI:" .. mixed_same_line
+  end
+  local space_indent_cnt = fn.searchcount({ pattern = space_pat, max_count = 1e3 }).total
+  local tab_indent_cnt = fn.searchcount({ pattern = tab_pat, max_count = 1e3 }).total
   if space_indent_cnt > tab_indent_cnt then
-    return 'MI:'..tab_indent
+    return "MI:" .. tab_indent
   else
-    return 'MI:'..space_indent
+    return "MI:" .. space_indent
   end
 end
 
@@ -89,7 +91,7 @@ local diff = function()
   return info
 end
 
-require("lualine").setup({
+require("lualine").setup {
   options = {
     icons_enabled = true,
     theme = "auto",
@@ -105,19 +107,19 @@ require("lualine").setup({
     lualine_b = {
       "branch",
       {
-        'diff',
-        source = diff
-      }
+        "diff",
+        source = diff,
+      },
     },
     lualine_c = {
       "filename",
       {
         ime_state,
-        color = {fg = 'black', bg = '#f46868'}
+        color = { fg = "black", bg = "#f46868" },
       },
       {
         spell,
-        color = {fg = 'black', bg = '#a7c080'}
+        color = { fg = "black", bg = "#a7c080" },
       },
     },
     lualine_x = {
@@ -137,15 +139,15 @@ require("lualine").setup({
       "location",
       {
         "diagnostics",
-        sources = { "nvim_diagnostic" }
+        sources = { "nvim_diagnostic" },
       },
       {
         trailing_space,
-        color = "WarningMsg"
+        color = "WarningMsg",
       },
       {
         mixed_indent,
-        color = "WarningMsg"
+        color = "WarningMsg",
       },
     },
   },
@@ -158,6 +160,5 @@ require("lualine").setup({
     lualine_z = {},
   },
   tabline = {},
-  extensions = {'quickfix', 'fugitive', 'nvim-tree'},
-})
-
+  extensions = { "quickfix", "fugitive", "nvim-tree" },
+}
diff --git a/lua/config/treesitter.lua b/lua/config/treesitter.lua
index 11721ec..9f7a8a9 100644
--- a/lua/config/treesitter.lua
+++ b/lua/config/treesitter.lua
@@ -1,8 +1,8 @@
-require("nvim-treesitter.configs").setup({
-  ensure_installed = {"python", "cpp", "lua", "vim"},
+require("nvim-treesitter.configs").setup {
+  ensure_installed = { "python", "cpp", "lua", "vim" },
   ignore_install = {}, -- List of parsers to ignore installing
   highlight = {
     enable = true, -- false will disable the whole extension
     disable = {}, -- list of language that will be disabled
   },
-})
+}
diff --git a/lua/config/which-key.lua b/lua/config/which-key.lua
index 11e4c63..10c0c41 100644
--- a/lua/config/which-key.lua
+++ b/lua/config/which-key.lua
@@ -1,4 +1,4 @@
-require("which-key").setup({
+require("which-key").setup {
   plugins = {
     marks = true, -- shows a list of your marks on ' and `
     registers = true, -- shows your registers on " in NORMAL or <C-r> in INSERT mode
@@ -46,7 +46,7 @@ require("which-key").setup({
     align = "center", -- align columns left, center or right
   },
   ignore_missing = false, -- enable this to hide mappings for which you didn't specify a label
-  hidden = { "<silent>", "<cmd>", "<Cmd>", "<CR>", "call", "lua", "^:", "^ "}, -- hide mapping boilerplate
+  hidden = { "<silent>", "<cmd>", "<Cmd>", "<CR>", "call", "lua", "^:", "^ " }, -- hide mapping boilerplate
   show_help = true, -- show help message on the command line when the popup is visible
   triggers = "auto", -- automatically setup triggers
   -- triggers = {"<leader>"} -- or specify a list manually
@@ -57,4 +57,4 @@ require("which-key").setup({
     -- most people should not need to change this
     n = { "o", "O" },
   },
-})
+}
diff --git a/lua/config/zen-mode.lua b/lua/config/zen-mode.lua
index 8185ceb..b6d52ce 100644
--- a/lua/config/zen-mode.lua
+++ b/lua/config/zen-mode.lua
@@ -1,4 +1,4 @@
-require("zen-mode").setup({
+require("zen-mode").setup {
   window = {
     backdrop = 0.8, -- shade the backdrop of the Zen window. Set to 1 to keep the same as Normal
     width = 120,
@@ -12,4 +12,4 @@ require("zen-mode").setup({
       list = false, -- disable whitespace characters
     },
   },
-})
+}
diff --git a/lua/custom-autocmd.lua b/lua/custom-autocmd.lua
index b9be923..9d85fda 100644
--- a/lua/custom-autocmd.lua
+++ b/lua/custom-autocmd.lua
@@ -3,7 +3,6 @@ local api = vim.api
 
 local utils = require("utils")
 
-
 -- Display a message when the current file is not in utf-8 format.
 -- Note that we need to use `unsilent` command here because of this issue:
 -- https://github.com/vim/vim/issues/4379
@@ -11,10 +10,10 @@ api.nvim_create_autocmd({ "BufRead" }, {
   pattern = "*",
   group = api.nvim_create_augroup("non_utf8_file", { clear = true }),
   callback = function()
-    if vim.bo.fileencoding ~= 'utf-8' then
+    if vim.bo.fileencoding ~= "utf-8" then
       vim.notify("File not in UTF-8 format!", vim.log.levels.WARN, { title = "nvim-config" })
     end
-  end
+  end,
 })
 
 -- highlight yanked region, see `:h lua-highlight`
@@ -23,7 +22,7 @@ api.nvim_create_autocmd({ "TextYankPost" }, {
   group = api.nvim_create_augroup("highlight_yank", { clear = true }),
   callback = function()
     vim.highlight.on_yank { higroup = "YankColor", timeout = 300 }
-  end
+  end,
 })
 
 -- Auto-generate packer_compiled.lua file
@@ -34,7 +33,7 @@ api.nvim_create_autocmd({ "BufWritePost" }, {
     local cmd = "source " .. ctx.file
     vim.cmd(cmd)
     vim.cmd("PackerCompile")
-  end
+  end,
 })
 
 -- Auto-create dir when saving a file, in case some intermediate directory does not exist
@@ -44,7 +43,7 @@ api.nvim_create_autocmd({ "BufWritePre" }, {
   callback = function(ctx)
     local dir = fn.fnamemodify(ctx.file, ":p:h")
     utils.may_create_dir(dir)
-  end
+  end,
 })
 
 -- Automatically reload the file if it is changed outside of Nvim, see https://unix.stackexchange.com/a/383044/221410.
@@ -57,17 +56,17 @@ api.nvim_create_autocmd({ "FileChangedShellPost" }, {
   group = "auto_read",
   callback = function()
     vim.notify("File changed on disk. Buffer reloaded!", vim.log.levels.WARN, { title = "nvim-config" })
-  end
+  end,
 })
 
 api.nvim_create_autocmd({ "FocusGained", "CursorHold" }, {
   pattern = "*",
   group = "auto_read",
   callback = function()
-    if fn.getcmdwintype() == '' then
+    if fn.getcmdwintype() == "" then
       vim.cmd("checktime")
     end
-  end
+  end,
 })
 
 -- Resize all windows when we resize the terminal
diff --git a/lua/plugins.lua b/lua/plugins.lua
index 8d8cc0c..f09d6b9 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -26,16 +26,16 @@ end
 vim.cmd("packadd packer.nvim")
 
 local packer = require("packer")
-local packer_util = require('packer.util')
+local packer_util = require("packer.util")
 
-packer.startup({
+packer.startup {
   function(use)
     -- it is recommended to put impatient.nvim before any other plugins
-    use { 'lewis6991/impatient.nvim', config = [[require('impatient')]] }
+    use { "lewis6991/impatient.nvim", config = [[require('impatient')]] }
 
-    use({ "wbthomason/packer.nvim", opt = true })
+    use { "wbthomason/packer.nvim", opt = true }
 
-    use({ "onsails/lspkind-nvim", event = "VimEnter" })
+    use { "onsails/lspkind-nvim", event = "VimEnter" }
     -- auto-completion engine
     use { "hrsh7th/nvim-cmp", after = "lspkind-nvim", config = [[require('config.nvim-cmp')]] }
 
@@ -44,312 +44,328 @@ packer.startup({
     use { "hrsh7th/cmp-path", after = "nvim-cmp" }
     use { "hrsh7th/cmp-buffer", after = "nvim-cmp" }
     use { "hrsh7th/cmp-omni", after = "nvim-cmp" }
-    use { "quangnguyen30192/cmp-nvim-ultisnips", after = { 'nvim-cmp', 'ultisnips' } }
+    use { "quangnguyen30192/cmp-nvim-ultisnips", after = { "nvim-cmp", "ultisnips" } }
     if vim.g.is_mac then
-      use { "hrsh7th/cmp-emoji", after = 'nvim-cmp' }
+      use { "hrsh7th/cmp-emoji", after = "nvim-cmp" }
     end
 
     -- nvim-lsp configuration (it relies on cmp-nvim-lsp, so it should be loaded after cmp-nvim-lsp).
-    use({ "neovim/nvim-lspconfig", after = "cmp-nvim-lsp", config = [[require('config.lsp')]] })
+    use { "neovim/nvim-lspconfig", after = "cmp-nvim-lsp", config = [[require('config.lsp')]] }
 
     if vim.g.is_mac then
-      use({ "nvim-treesitter/nvim-treesitter", event = 'BufEnter', run = ":TSUpdate",
-        config = [[require('config.treesitter')]] })
+      use {
+        "nvim-treesitter/nvim-treesitter",
+        event = "BufEnter",
+        run = ":TSUpdate",
+        config = [[require('config.treesitter')]],
+      }
     end
 
     -- Python indent (follows the PEP8 style)
-    use({ "Vimjas/vim-python-pep8-indent", ft = { "python" } })
+    use { "Vimjas/vim-python-pep8-indent", ft = { "python" } }
 
     -- Python-related text object
-    use({ "jeetsukumaran/vim-pythonsense", ft = { "python" } })
+    use { "jeetsukumaran/vim-pythonsense", ft = { "python" } }
 
-    use({ "machakann/vim-swap", event = "VimEnter" })
+    use { "machakann/vim-swap", event = "VimEnter" }
 
     -- IDE for Lisp
     if utils.executable("sbcl") then
       -- use 'kovisoft/slimv'
-      use({ "vlime/vlime", rtp = "vim/", ft = { "lisp" } })
+      use { "vlime/vlime", rtp = "vim/", ft = { "lisp" } }
     end
 
     -- Super fast buffer jump
     use {
-      'phaazon/hop.nvim',
+      "phaazon/hop.nvim",
       event = "VimEnter",
       config = function()
-        vim.defer_fn(function() require('config.nvim_hop') end, 2000)
-      end
+        vim.defer_fn(function()
+          require("config.nvim_hop")
+        end, 2000)
+      end,
     }
 
     -- Show match number and index for searching
     use {
-      'kevinhwang91/nvim-hlslens',
-      branch = 'main',
-      keys = { { 'n', '*' }, { 'n', '#' }, { 'n', 'n' }, { 'n', 'N' } },
-      config = [[require('config.hlslens')]]
+      "kevinhwang91/nvim-hlslens",
+      branch = "main",
+      keys = { { "n", "*" }, { "n", "#" }, { "n", "n" }, { "n", "N" } },
+      config = [[require('config.hlslens')]],
     }
 
     -- Stay after pressing * and search selected text
-    use({ "haya14busa/vim-asterisk", event = 'VimEnter' })
+    use { "haya14busa/vim-asterisk", event = "VimEnter" }
 
     -- File search, tag search and more
     if vim.g.is_win then
-      use({ "Yggdroot/LeaderF", cmd = "Leaderf" })
+      use { "Yggdroot/LeaderF", cmd = "Leaderf" }
     else
-      use({ "Yggdroot/LeaderF", cmd = "Leaderf", run = ":LeaderfInstallCExtension" })
+      use { "Yggdroot/LeaderF", cmd = "Leaderf", run = ":LeaderfInstallCExtension" }
     end
 
     use {
-      'nvim-telescope/telescope.nvim', cmd = 'Telescope',
-      requires = { { 'nvim-lua/plenary.nvim' } }
+      "nvim-telescope/telescope.nvim",
+      cmd = "Telescope",
+      requires = { { "nvim-lua/plenary.nvim" } },
     }
     -- search emoji and other symbols
-    use { 'nvim-telescope/telescope-symbols.nvim', after = 'telescope.nvim' }
+    use { "nvim-telescope/telescope-symbols.nvim", after = "telescope.nvim" }
 
     -- A list of colorscheme plugin you may want to try. Find what suits you.
-    use({ "lifepillar/vim-gruvbox8", opt = true })
-    use({ "navarasu/onedark.nvim", opt = true })
-    use({ "sainnhe/edge", opt = true })
-    use({ "sainnhe/sonokai", opt = true })
-    use({ "sainnhe/gruvbox-material", opt = true })
-    use({ "shaunsingh/nord.nvim", opt = true })
-    use({ "NTBBloodbath/doom-one.nvim", opt = true })
-    use({ "sainnhe/everforest", opt = true })
-    use({ "EdenEast/nightfox.nvim", opt = true })
-    use({ "rebelot/kanagawa.nvim", opt = true })
-    use({ "catppuccin/nvim", as = "catppuccin", opt = true })
+    use { "lifepillar/vim-gruvbox8", opt = true }
+    use { "navarasu/onedark.nvim", opt = true }
+    use { "sainnhe/edge", opt = true }
+    use { "sainnhe/sonokai", opt = true }
+    use { "sainnhe/gruvbox-material", opt = true }
+    use { "shaunsingh/nord.nvim", opt = true }
+    use { "NTBBloodbath/doom-one.nvim", opt = true }
+    use { "sainnhe/everforest", opt = true }
+    use { "EdenEast/nightfox.nvim", opt = true }
+    use { "rebelot/kanagawa.nvim", opt = true }
+    use { "catppuccin/nvim", as = "catppuccin", opt = true }
 
-    use { 'kyazdani42/nvim-web-devicons', event = 'VimEnter' }
+    use { "kyazdani42/nvim-web-devicons", event = "VimEnter" }
 
     use {
-      'nvim-lualine/lualine.nvim',
-      event = 'VimEnter',
-      config = [[require('config.statusline')]]
+      "nvim-lualine/lualine.nvim",
+      event = "VimEnter",
+      config = [[require('config.statusline')]],
     }
 
-    use({ "akinsho/bufferline.nvim", event = "VimEnter", config = [[require('config.bufferline')]] })
+    use { "akinsho/bufferline.nvim", event = "VimEnter", config = [[require('config.bufferline')]] }
 
     -- fancy start screen
-    use { 'glepnir/dashboard-nvim', event = "VimEnter", config = [[require('config.dashboard-nvim')]] }
+    use { "glepnir/dashboard-nvim", event = "VimEnter", config = [[require('config.dashboard-nvim')]] }
 
-    use({
+    use {
       "lukas-reineke/indent-blankline.nvim",
-      event = 'VimEnter',
-      config = [[require('config.indent-blankline')]]
-    })
+      event = "VimEnter",
+      config = [[require('config.indent-blankline')]],
+    }
 
     -- Highlight URLs inside vim
-    use({ "itchyny/vim-highlighturl", event = "VimEnter" })
+    use { "itchyny/vim-highlighturl", event = "VimEnter" }
 
     -- notification plugin
-    use({
+    use {
       "rcarriga/nvim-notify",
       event = "BufEnter",
       config = function()
-        vim.defer_fn(function() require('config.nvim-notify') end, 2000)
-      end
-    })
+        vim.defer_fn(function()
+          require("config.nvim-notify")
+        end, 2000)
+      end,
+    }
 
     -- For Windows and Mac, we can open an URL in the browser. For Linux, it may
     -- not be possible since we maybe in a server which disables GUI.
     if vim.g.is_win or vim.g.is_mac then
       -- open URL in browser
-      use({ "tyru/open-browser.vim", event = "VimEnter" })
+      use { "tyru/open-browser.vim", event = "VimEnter" }
     end
 
     -- Only install these plugins if ctags are installed on the system
     if utils.executable("ctags") then
       -- show file tags in vim window
-      use({ "liuchengxu/vista.vim", cmd = "Vista" })
+      use { "liuchengxu/vista.vim", cmd = "Vista" }
     end
 
     -- Snippet engine and snippet template
-    use({ "SirVer/ultisnips", event = 'InsertEnter' })
-    use({ "honza/vim-snippets", after = 'ultisnips' })
+    use { "SirVer/ultisnips", event = "InsertEnter" }
+    use { "honza/vim-snippets", after = "ultisnips" }
 
     -- Automatic insertion and deletion of a pair of characters
-    use({ "Raimondi/delimitMate", event = "InsertEnter" })
+    use { "Raimondi/delimitMate", event = "InsertEnter" }
 
     -- Comment plugin
-    use({ "tpope/vim-commentary", event = "VimEnter" })
+    use { "tpope/vim-commentary", event = "VimEnter" }
 
     -- Multiple cursor plugin like Sublime Text?
     -- use 'mg979/vim-visual-multi'
 
     -- Autosave files on certain events
-    use({ "907th/vim-auto-save", event = "InsertEnter" })
+    use { "907th/vim-auto-save", event = "InsertEnter" }
 
     -- Show undo history visually
-    use({ "simnalamburt/vim-mundo", cmd = { "MundoToggle", "MundoShow" } })
+    use { "simnalamburt/vim-mundo", cmd = { "MundoToggle", "MundoShow" } }
 
     -- Manage your yank history
     if vim.g.is_win or vim.g.is_mac then
-      use({ "svermeulen/vim-yoink", event = "VimEnter" })
+      use { "svermeulen/vim-yoink", event = "VimEnter" }
     end
 
     -- Handy unix command inside Vim (Rename, Move etc.)
-    use({ "tpope/vim-eunuch", cmd = { "Rename", "Delete" } })
+    use { "tpope/vim-eunuch", cmd = { "Rename", "Delete" } }
 
     -- Repeat vim motions
-    use({ "tpope/vim-repeat", event = "VimEnter" })
+    use { "tpope/vim-repeat", event = "VimEnter" }
 
-    use({ "nvim-zh/better-escape.vim", event = { "InsertEnter" } })
+    use { "nvim-zh/better-escape.vim", event = { "InsertEnter" } }
 
     if vim.g.is_mac then
-      use({ "lyokha/vim-xkbswitch", event = { "InsertEnter" } })
+      use { "lyokha/vim-xkbswitch", event = { "InsertEnter" } }
     elseif vim.g.is_win then
-      use({ "Neur1n/neuims", event = { "InsertEnter" } })
+      use { "Neur1n/neuims", event = { "InsertEnter" } }
     end
 
     -- Auto format tools
-    use({ "sbdchd/neoformat", cmd = { "Neoformat" } })
+    use { "sbdchd/neoformat", cmd = { "Neoformat" } }
 
     -- Git command inside vim
-    use({ "tpope/vim-fugitive", event = "User InGitRepo", config = [[require('config.fugitive')]] })
+    use { "tpope/vim-fugitive", event = "User InGitRepo", config = [[require('config.fugitive')]] }
 
     -- Better git log display
-    use({ "rbong/vim-flog", requires = "tpope/vim-fugitive", cmd = { "Flog" } })
+    use { "rbong/vim-flog", requires = "tpope/vim-fugitive", cmd = { "Flog" } }
 
-    use({ "christoomey/vim-conflicted", requires = "tpope/vim-fugitive", cmd = { "Conflicted" } })
+    use { "christoomey/vim-conflicted", requires = "tpope/vim-fugitive", cmd = { "Conflicted" } }
 
     use {
-      'ruifm/gitlinker.nvim',
-      requires = 'nvim-lua/plenary.nvim',
+      "ruifm/gitlinker.nvim",
+      requires = "nvim-lua/plenary.nvim",
       event = "User InGitRepo",
-      config = [[require('config.git-linker')]]
+      config = [[require('config.git-linker')]],
     }
 
     -- Show git change (change, delete, add) signs in vim sign column
-    use({ 'lewis6991/gitsigns.nvim', config = [[require('config.gitsigns')]] })
+    use { "lewis6991/gitsigns.nvim", config = [[require('config.gitsigns')]] }
 
     -- Better git commit experience
-    use({ "rhysd/committia.vim", opt = true, setup = [[vim.cmd('packadd committia.vim')]] })
+    use { "rhysd/committia.vim", opt = true, setup = [[vim.cmd('packadd committia.vim')]] }
 
-    use({ "kevinhwang91/nvim-bqf", ft = "qf", config = [[require('config.bqf')]] })
+    use { "kevinhwang91/nvim-bqf", ft = "qf", config = [[require('config.bqf')]] }
 
     -- Another markdown plugin
-    use({ "plasticboy/vim-markdown", ft = { "markdown" } })
+    use { "plasticboy/vim-markdown", ft = { "markdown" } }
 
     -- Faster footnote generation
-    use({ "vim-pandoc/vim-markdownfootnotes", ft = { "markdown" } })
+    use { "vim-pandoc/vim-markdownfootnotes", ft = { "markdown" } }
 
     -- Vim tabular plugin for manipulate tabular, required by markdown plugins
-    use({ "godlygeek/tabular", cmd = { "Tabularize" } })
+    use { "godlygeek/tabular", cmd = { "Tabularize" } }
 
     -- Markdown JSON header highlight plugin
-    use({ "elzr/vim-json", ft = { "json", "markdown" } })
+    use { "elzr/vim-json", ft = { "json", "markdown" } }
 
     -- Markdown previewing (only for Mac and Windows)
     if vim.g.is_win or vim.g.is_mac then
-      use({
+      use {
         "iamcco/markdown-preview.nvim",
         run = function()
           fn["mkdp#util#install"]()
         end,
         ft = { "markdown" },
-      })
+      }
     end
 
-    use({ 'folke/zen-mode.nvim', cmd = 'ZenMode', config = [[require('config.zen-mode')]] })
+    use { "folke/zen-mode.nvim", cmd = "ZenMode", config = [[require('config.zen-mode')]] }
 
     if vim.g.is_mac then
-      use({ "rhysd/vim-grammarous", ft = { "markdown" } })
+      use { "rhysd/vim-grammarous", ft = { "markdown" } }
     end
 
-    use({ "chrisbra/unicode.vim", event = "VimEnter" })
+    use { "chrisbra/unicode.vim", event = "VimEnter" }
 
     -- Additional powerful text object for vim, this plugin should be studied
     -- carefully to use its full power
-    use({ "wellle/targets.vim", event = "VimEnter" })
+    use { "wellle/targets.vim", event = "VimEnter" }
 
     -- Plugin to manipulate character pairs quickly
-    use({ "machakann/vim-sandwich", event = "VimEnter" })
+    use { "machakann/vim-sandwich", event = "VimEnter" }
 
     -- Add indent object for vim (useful for languages like Python)
-    use({ "michaeljsmith/vim-indent-object", event = "VimEnter" })
+    use { "michaeljsmith/vim-indent-object", event = "VimEnter" }
 
     -- Only use these plugin on Windows and Mac and when LaTeX is installed
     if vim.g.is_win or vim.g.is_mac and utils.executable("latex") then
-      use({ "lervag/vimtex", ft = { "tex" } })
+      use { "lervag/vimtex", ft = { "tex" } }
     end
 
     -- Since tmux is only available on Linux and Mac, we only enable these plugins
     -- for Linux and Mac
     if utils.executable("tmux") then
       -- .tmux.conf syntax highlighting and setting check
-      use({ "tmux-plugins/vim-tmux", ft = { "tmux" } })
+      use { "tmux-plugins/vim-tmux", ft = { "tmux" } }
     end
 
     -- Modern matchit implementation
-    use({ "andymass/vim-matchup", event = "VimEnter" })
+    use { "andymass/vim-matchup", event = "VimEnter" }
 
     -- Smoothie motions
-    use({
+    use {
       "karb94/neoscroll.nvim",
       event = "VimEnter",
       config = function()
-        vim.defer_fn(function() require('config.neoscroll') end, 2000)
-      end
-    })
+        vim.defer_fn(function()
+          require("config.neoscroll")
+        end, 2000)
+      end,
+    }
 
-    use({ "tpope/vim-scriptease", cmd = { "Scriptnames", "Message", "Verbose" } })
+    use { "tpope/vim-scriptease", cmd = { "Scriptnames", "Message", "Verbose" } }
 
     -- Asynchronous command execution
-    use({ "skywind3000/asyncrun.vim", opt = true, cmd = { "AsyncRun" } })
+    use { "skywind3000/asyncrun.vim", opt = true, cmd = { "AsyncRun" } }
 
-    use({ "cespare/vim-toml", ft = { "toml" }, branch = "main" })
+    use { "cespare/vim-toml", ft = { "toml" }, branch = "main" }
 
     -- Edit text area in browser using nvim
     if vim.g.is_win or vim.g.is_mac then
-      use({
+      use {
         "glacambre/firenvim",
-        run = function() fn["firenvim#install"](0) end,
+        run = function()
+          fn["firenvim#install"](0)
+        end,
         opt = true,
         setup = [[vim.cmd('packadd firenvim')]],
-      })
+      }
     end
 
     -- Debugger plugin
     if vim.g.is_win or vim.g.is_linux then
-      use({ "sakhnik/nvim-gdb", run = { "bash install.sh" }, opt = true, setup = [[vim.cmd('packadd nvim-gdb')]] })
+      use { "sakhnik/nvim-gdb", run = { "bash install.sh" }, opt = true, setup = [[vim.cmd('packadd nvim-gdb')]] }
     end
 
     -- Session management plugin
-    use({ "tpope/vim-obsession", cmd = 'Obsession' })
+    use { "tpope/vim-obsession", cmd = "Obsession" }
 
     if vim.g.is_linux then
-      use({ "ojroques/vim-oscyank", cmd = { 'OSCYank', 'OSCYankReg' } })
+      use { "ojroques/vim-oscyank", cmd = { "OSCYank", "OSCYankReg" } }
     end
 
     -- The missing auto-completion for cmdline!
-    use({ "gelguy/wilder.nvim", opt = true, setup = [[vim.cmd('packadd wilder.nvim')]] })
+    use { "gelguy/wilder.nvim", opt = true, setup = [[vim.cmd('packadd wilder.nvim')]] }
 
     -- showing keybindings
-    use { "folke/which-key.nvim",
+    use {
+      "folke/which-key.nvim",
       event = "VimEnter",
       config = function()
-        vim.defer_fn(function() require('config.which-key') end, 2000)
-      end
+        vim.defer_fn(function()
+          require("config.which-key")
+        end, 2000)
+      end,
     }
 
     -- show and trim trailing whitespaces
-    use { 'jdhao/whitespace.nvim', event = 'VimEnter' }
+    use { "jdhao/whitespace.nvim", event = "VimEnter" }
 
     -- file explorer
     use {
-      'kyazdani42/nvim-tree.lua',
-      requires = { 'kyazdani42/nvim-web-devicons' },
-      config = [[require('config.nvim-tree')]]
+      "kyazdani42/nvim-tree.lua",
+      requires = { "kyazdani42/nvim-web-devicons" },
+      config = [[require('config.nvim-tree')]],
     }
 
-    use { 'ii14/emmylua-nvim', ft = 'lua' }
+    use { "ii14/emmylua-nvim", ft = "lua" }
 
-    use { 'j-hui/fidget.nvim', after = 'nvim-lspconfig', config = [[require('config.fidget-nvim')]] }
+    use { "j-hui/fidget.nvim", after = "nvim-lspconfig", config = [[require('config.fidget-nvim')]] }
   end,
   config = {
     max_jobs = 16,
-    compile_path = packer_util.join_paths(fn.stdpath('data'), 'site', 'lua', 'packer_compiled.lua'),
+    compile_path = packer_util.join_paths(fn.stdpath("data"), "site", "lua", "packer_compiled.lua"),
   },
-})
+}
 
 -- For fresh install, we need to install plugins. Otherwise, we just need to require `packer_compiled.lua`.
 if fresh_install then
@@ -357,9 +373,9 @@ if fresh_install then
   -- So plugin installation should be done after the startup process.
   packer.sync()
 else
-  local status, _ = pcall(require, 'packer_compiled')
+  local status, _ = pcall(require, "packer_compiled")
   if not status then
     local msg = "File packer_compiled.lua not found: run PackerSync to fix!"
-    vim.notify(msg, vim.log.levels.ERROR, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
   end
 end
diff --git a/lua/utils.lua b/lua/utils.lua
index c2bb85f..d3198ac 100644
--- a/lua/utils.lua
+++ b/lua/utils.lua
@@ -20,7 +20,7 @@ function M.may_create_dir(dir)
   local res = fn.isdirectory(dir)
 
   if res == 0 then
-    fn.mkdir(dir, 'p')
+    fn.mkdir(dir, "p")
   end
 end
 
@@ -31,7 +31,6 @@ function M.get_nvim_version()
   return nvim_ver_str
 end
 
-
 --- Generate random integers in the range [Low, High], inclusive,
 --- adapted from https://stackoverflow.com/a/12739441/6064933
 --- @low: the lower value for this range