diff --git a/lua/plugins/bufferline.lua b/lua/plugins/bufferline.lua
index 53a1915..3da85fa 100644
--- a/lua/plugins/bufferline.lua
+++ b/lua/plugins/bufferline.lua
@@ -43,10 +43,10 @@ return {
 				color_icons = true,
 				numbers = "none", -- | "ordinal" | "buffer_id" | "both" | function({ ordinal, id, lower, raise }): string,
 				close_command = function(bufnum)
-					require("user.utils").bufremove(bufnum)
+					require("user.utils.bufferline").bufremove(bufnum)
 				end,
 				right_mouse_command = function(bufnum)
-					require("user.utils").bufremove(bufnum)
+					require("user.utils.bufferline").bufremove(bufnum)
 				end,
 				-- close_command = "bdelete! %d",
 				-- right_mouse_command = "bdelete! %d",
diff --git a/lua/plugins/lualine.lua b/lua/plugins/lualine.lua
index 8438a51..1cf312e 100644
--- a/lua/plugins/lualine.lua
+++ b/lua/plugins/lualine.lua
@@ -3,173 +3,24 @@ return {
 		"nvim-lualine/lualine.nvim",
 		event = { "InsertEnter", "BufRead", "BufNewFile" },
 		config = function()
-			local hide_in_width = function()
-				return vim.fn.winwidth(0) > 80
-			end
-			local icons = require("user.icons")
-
-			local getLeftSubstring = function(word, length)
-				if #word > length then
-					return string.sub(word, 1, length) .. "..."
-				else
-					return word
-				end
-			end
-
-			local treesitter = {
-				function()
-					return icons.ui.Paint .. " TS"
-				end,
-				color = function()
-					local buf = vim.api.nvim_get_current_buf()
-					local ts = vim.treesitter.highlighter.active[buf]
-					return { fg = ts and not vim.tbl_isempty(ts) and "#50fa7b" or "#FF5555" }
-				end,
-				cond = hide_in_width,
-			}
-
-			-- start for lsp
-			local list_registered_providers_names = function(filetype)
-				local s = require("null-ls.sources")
-				local available_sources = s.get_available(filetype)
-				local registered = {}
-				for _, source in ipairs(available_sources) do
-					for method in pairs(source.methods) do
-						registered[method] = registered[method] or {}
-						table.insert(registered[method], source.name)
-					end
-				end
-				return registered
-			end
-
-			local null_ls = require("null-ls")
-			-- for formatter
-			local list_registered = function(filetype)
-				local method = null_ls.methods.FORMATTING
-				local registered_providers = list_registered_providers_names(filetype)
-				return registered_providers[method] or {}
-			end
-
-			--- for linter
-			local alternative_methods = {
-				null_ls.methods.DIAGNOSTICS,
-				null_ls.methods.DIAGNOSTICS_ON_OPEN,
-				null_ls.methods.DIAGNOSTICS_ON_SAVE,
-			}
-
-			local linter_list_registered = function(filetype)
-				local registered_providers = list_registered_providers_names(filetype)
-				local providers_for_methods = vim.iter(vim.tbl_map(function(m)
-					return registered_providers[m] or {}
-				end, alternative_methods))
-
-				return providers_for_methods
-			end
-			-- end for lsp
-
-			local lsp_info = {
-				function()
-					local msg = "LSP Inactive"
-					local buf_ft = vim.bo.filetype
-					-- start register
-					local buf_clients = {}
-					buf_clients = vim.lsp.get_clients({ bufnr = 0 })
-					local buf_client_names = {}
-					if next(buf_clients) == nil then
-						-- TODO: clean up this if statement
-						if type(msg) == "boolean" or #msg == 0 then
-							return "LSP Inactive"
-						end
-						return msg
-					end
-					-- add client
-					for _, client in pairs(buf_clients) do
-						if client.name ~= "null-ls" and client.name ~= "copilot" then
-							table.insert(buf_client_names, client.name)
-						end
-					end
-					-- add formatter
-					local supported_formatters = list_registered(buf_ft)
-					vim.list_extend(buf_client_names, supported_formatters)
-					-- add linter
-					local supported_linters = linter_list_registered(buf_ft)
-					vim.list_extend(buf_client_names, supported_linters)
-					-- decomple
-					local unique_client_names = vim.fn.uniq(buf_client_names)
-					local msg = table.concat(unique_client_names, ", ")
-					return msg
-				end,
-				icon = icons.ui.Gear .. "",
-				padding = 1,
-			}
-
-			local diagnostics = {
-				"diagnostics",
-				sources = { "nvim_diagnostic" },
-				sections = { "error", "warn" },
-				symbols = {
-					error = icons.diagnostics.BoldError .. " ",
-					warn = icons.diagnostics.BoldWarning .. " ",
-				},
-				colored = true,
-				update_in_insert = false,
-				always_visible = false,
-			}
-
-			local diff = {
-				"diff",
-				colored = true,
-				symbols = {
-					added = icons.git.LineAdded .. " ",
-					modified = icons.git.LineModified .. " ",
-					removed = icons.git.LineRemoved .. " ",
-				},
-				cond = hide_in_width,
-			}
-
-			local spaces = function()
-				return icons.ui.Tab .. " " .. vim.api.nvim_get_option_value(0, "shiftwidth")
-			end
-
-			local mode = {
-				"mode",
-				padding = 1,
-				separator = { left = " " },
-				fmt = function(str)
-					return icons.ui.Neovim .. " " .. str
-				end,
-			}
-
-			local get_branch = function()
-				if vim.b.gitsigns_head ~= nil then
-					return icons.git.Branch2 .. " " .. getLeftSubstring(vim.b.gitsigns_head, 6)
-				else
-					return icons.git.Branch2 .. vim.fn.fnamemodify("", ":t")
-				end
-			end
-
+			local component = require("user.utils.lualine_component")
+			local treesitter = component.treesitter
+			local lsp_info = component.lsp_info
+			local diagnostics = component.diagnostics
+			local diff = component.diff
+			local spaces = component.spaces
+			local mode = component.mode
+			local get_branch = component.get_branch
 			local lsp_progress = {}
 			local data_ok, lspprogress = pcall(require, "lsp-progress")
 			if data_ok then
 				lsp_progress = lspprogress.progress
 			end
-			local colors = {
-				blue = "#50fa7b",
-				cyan = "#f1fa8c",
-				black = "#1a1b26",
-				black_transparant = "none",
-				white = "#c6c6c6",
-				red = "#ff757f",
-				skyblue_1 = "#bd93f9",
-				grey = "#5f6a8e",
-				yellow = "#ffb86c",
-				fg_gutter = "#3b4261",
-				green1 = "#bd93f9",
-			}
+			local colors = component.colors
 
 			-- check config for theme
 			local set_theme
-			local bubbles_theme = {}
+			local bubbles_theme
 			local data_exists, config = pcall(require, "core.config")
 			if data_exists then
 				if config.colorscheme ~= nil then
@@ -204,40 +55,7 @@ return {
 				end
 			end
 
-			bubbles_theme = {
-				normal = {
-					a = { fg = colors.black, bg = colors.skyblue_1 },
-					b = { fg = colors.white, bg = colors.grey },
-					c = { fg = colors.white, bg = colors.black_transparant },
-				},
-
-				insert = {
-					a = { fg = colors.black, bg = colors.blue },
-					b = { fg = colors.blue, bg = colors.grey },
-				},
-				visual = {
-					a = { fg = colors.black, bg = colors.cyan },
-					b = { fg = colors.cyan, bg = colors.grey },
-				},
-				replace = {
-					a = { bg = colors.red, fg = colors.black },
-					b = { bg = colors.fg_gutter, fg = colors.red },
-				},
-				command = {
-					a = { bg = colors.yellow, fg = colors.black },
-					b = { bg = colors.fg_gutter, fg = colors.yellow },
-				},
-				terminal = {
-					a = { bg = colors.green1, fg = colors.black },
-					b = { bg = colors.fg_gutter, fg = colors.green1 },
-				},
-				inactive = {
-					a = { fg = colors.white, bg = colors.black_transparant },
-					b = { fg = colors.white, bg = colors.black_transparant },
-					c = { fg = colors.black, bg = colors.black_transparant },
-				},
-			}
-
+			bubbles_theme = component.bubbles_theme(colors)
 			if set_theme == "auto" then
 				bubbles_theme = vim.fn.fnamemodify("auto", ":t")
 			end
@@ -269,7 +87,7 @@ return {
 					},
 					lualine_b = { get_branch },
 					lualine_c = { diff, lsp_info, lsp_progress },
-					lualine_x = { diagnostics, treesitter, spaces, "filetype" },
+					lualine_x = { diagnostics, spaces, treesitter, "filetype" },
 					lualine_y = { "progress" },
 					lualine_z = {
 						{ "location", separator = { right = " " }, padding = 1 },
diff --git a/lua/user/utils.lua b/lua/user/utils.lua
deleted file mode 100644
index 809caf3..0000000
--- a/lua/user/utils.lua
+++ /dev/null
@@ -1,131 +0,0 @@
-local M = {}
-function M.bufremove(buf)
-	buf = buf or 0
-	buf = buf == 0 and vim.api.nvim_get_current_buf() or buf
-
-	if vim.bo.modified then
-		local choice = vim.fn.confirm(("Save changes to %q?"):format(vim.fn.bufname()), "&Yes\n&No\n&Cancel")
-		if choice == 0 then -- Cancel
-			return
-		end
-		if choice == 1 then -- Yes
-			vim.cmd.write()
-		end
-	end
-
-	for _, win in ipairs(vim.fn.win_findbuf(buf)) do
-		vim.api.nvim_win_call(win, function()
-			if not vim.api.nvim_win_is_valid(win) or vim.api.nvim_win_get_buf(win) ~= buf then
-				return
-			end
-			-- Try using alternate buffer
-			local alt = vim.fn.bufnr("#")
-			if alt ~= buf and vim.fn.buflisted(alt) == 1 then
-				vim.api.nvim_win_set_buf(win, alt)
-				return
-			end
-
-			-- Try using previous buffer
-			local has_previous = pcall(vim.cmd, "bprevious")
-			if has_previous and buf ~= vim.api.nvim_win_get_buf(win) then
-				return
-			end
-
-			-- Create new listed buffer
-			local new_buf = vim.api.nvim_create_buf(true, false)
-			vim.api.nvim_win_set_buf(win, new_buf)
-		end)
-	end
-	if vim.api.nvim_buf_is_valid(buf) then
-		pcall(vim.cmd, "bdelete! " .. buf)
-	end
-end
-
-function M._LAZYGIT_TOGGLE()
-	local Terminal = require("toggleterm.terminal").Terminal
-	local lazygit = Terminal:new({ cmd = "lazygit", hidden = true })
-	lazygit:toggle()
-end
-
-function M._NODE_TOGGLE()
-	local Terminal = require("toggleterm.terminal").Terminal
-	local node = Terminal:new({ cmd = "node", hidden = true })
-	node:toggle()
-end
-
-function M._BTOP_TOGGLE()
-	local Terminal = require("toggleterm.terminal").Terminal
-	local htop = Terminal:new({ cmd = "btop", hidden = true })
-	htop:toggle()
-end
-
-function M._PYTHON_TOGGLE()
-	local Terminal = require("toggleterm.terminal").Terminal
-	local python = Terminal:new({ cmd = "python", hidden = true })
-	python:toggle()
-end
-
-function M._NEWTAB_TOGGLE()
-	local Terminal = require("toggleterm.terminal").Terminal
-	local pwsh = Terminal:new({ cmd = "pwsh", hidden = true, direction = "tab" })
-	pwsh:toggle()
-end
-
-function M._OPEN_EXPLORER()
-	local Terminal = require("toggleterm.terminal").Terminal
-	local pwsh = Terminal:new({ cmd = "explorer .", hidden = true, direction = "tab" })
-	pwsh:toggle()
-end
-
-function M._LIVE_SERVER()
-	local Terminal = require("toggleterm.terminal").Terminal
-	local live_server = Terminal:new({
-		cmd = "live-server",
-		hidden = true,
-		direction = "tab",
-	})
-	live_server:toggle()
-end
-
-function M._OPEN_ALACRITTY()
-	-- open alacritty new windows current directory
-	vim.cmd("silent !alacritty --working-directory " .. vim.fn.getcwd())
-end
-
-function M._OPEN_WEZTERM()
-	-- open wezterm new windows current directory
-	vim.cmd("silent !wezterm start --cwd " .. vim.fn.getcwd())
-end
-
--- get folder name from current directory
-function M._get_folder_name()
-	return vim.fn.fnamemodify(vim.fn.getcwd(), ":t")
-end
-
-function M._OPEN_WEZTERM_TAB()
-	-- open new tab wezterm current directory
-	vim.cmd('silent !wezterm cli spawn --cwd "' .. vim.fn.getcwd() .. '"')
-end
-
-function M._SET_TAB_TITLE()
-	-- set tab title
-	vim.cmd('silent !wezterm cli set-tab-title "' .. _get_folder_name() .. '"')
-end
-
-function M._CLOSE_BUFFER()
-	local buf = vim.api.nvim_get_current_buf()
-	--  delete current buffer
-	require("bufdelete").bufdelete(buf, true)
-end
-
--- function for close all bufferline
-function M._CLOSE_ALL_BUFFER()
-	-- get all buffer
-	local bufs = vim.api.nvim_list_bufs()
-	-- loop through all buffer
-	for _, buf in pairs(bufs) do
-		require("user.utils").bufdelete(buf)
-	end
-end
-
-return M
diff --git a/lua/user/utils/bufferline.lua b/lua/user/utils/bufferline.lua
new file mode 100644
index 0000000..5953b1b
--- /dev/null
+++ b/lua/user/utils/bufferline.lua
@@ -0,0 +1,44 @@
+local M = {}
+function M.bufremove(buf)
+	buf = buf or 0
+	buf = buf == 0 and vim.api.nvim_get_current_buf() or buf
+
+	if vim.bo.modified then
+		local choice = vim.fn.confirm(("Save changes to %q?"):format(vim.fn.bufname()), "&Yes\n&No\n&Cancel")
+		if choice == 0 then -- Cancel
+			return
+		end
+		if choice == 1 then -- Yes
+			vim.cmd.write()
+		end
+	end
+
+	for _, win in ipairs(vim.fn.win_findbuf(buf)) do
+		vim.api.nvim_win_call(win, function()
+			if not vim.api.nvim_win_is_valid(win) or vim.api.nvim_win_get_buf(win) ~= buf then
+				return
+			end
+			-- Try using alternate buffer
+			local alt = vim.fn.bufnr("#")
+			if alt ~= buf and vim.fn.buflisted(alt) == 1 then
+				vim.api.nvim_win_set_buf(win, alt)
+				return
+			end
+
+			-- Try using previous buffer
+			local has_previous = pcall(vim.cmd, "bprevious")
+			if has_previous and buf ~= vim.api.nvim_win_get_buf(win) then
+				return
+			end
+
+			-- Create new listed buffer
+			local new_buf = vim.api.nvim_create_buf(true, false)
+			vim.api.nvim_win_set_buf(win, new_buf)
+		end)
+	end
+	if vim.api.nvim_buf_is_valid(buf) then
+		pcall(vim.cmd, "bdelete! " .. buf)
+	end
+end
+
+return M
diff --git a/lua/user/utils/formatter.lua b/lua/user/utils/formatter.lua
new file mode 100644
index 0000000..6616801
--- /dev/null
+++ b/lua/user/utils/formatter.lua
@@ -0,0 +1,10 @@
+local null_ls = require("null-ls")
+local M = {}
+
+M.list_registered = function(filetype)
+	local method = null_ls.methods.FORMATTING
+	local registered_providers = require("user.utils.lsp").list_registered_providers_names(filetype)
+	return registered_providers[method] or {}
+end
+
+return M
diff --git a/lua/user/utils/linter.lua b/lua/user/utils/linter.lua
new file mode 100644
index 0000000..2d91861
--- /dev/null
+++ b/lua/user/utils/linter.lua
@@ -0,0 +1,19 @@
+local null_ls = require("null-ls")
+local M = {}
+
+M.alternative_methods = {
+	null_ls.methods.DIAGNOSTICS,
+	null_ls.methods.DIAGNOSTICS_ON_OPEN,
+	null_ls.methods.DIAGNOSTICS_ON_SAVE,
+}
+
+M.linter_list_registered = function(filetype)
+	local registered_providers = require("user.utils.lsp").list_registered_providers_names(filetype)
+	local providers_for_methods = vim.iter(vim.tbl_map(function(m)
+		return registered_providers[m] or {}
+	end, M.alternative_methods))
+
+	return providers_for_methods
+end
+
+return M
diff --git a/lua/user/utils/lsp.lua b/lua/user/utils/lsp.lua
new file mode 100644
index 0000000..646517b
--- /dev/null
+++ b/lua/user/utils/lsp.lua
@@ -0,0 +1,16 @@
+local M = {}
+
+M.list_registered_providers_names = function(filetype)
+	local s = require("null-ls.sources")
+	local available_sources = s.get_available(filetype)
+	local registered = {}
+	for _, source in ipairs(available_sources) do
+		for method in pairs(source.methods) do
+			registered[method] = registered[method] or {}
+			table.insert(registered[method], source.name)
+		end
+	end
+	return registered
+end
+
+return M
diff --git a/lua/user/utils/lualine_component.lua b/lua/user/utils/lualine_component.lua
new file mode 100644
index 0000000..4d88e85
--- /dev/null
+++ b/lua/user/utils/lualine_component.lua
@@ -0,0 +1,193 @@
+local hide_in_width = function()
+	return vim.fn.winwidth(0) > 75
+end
+local icons = require("user.icons")
+local formatter = require("user.utils.formatter")
+local linter = require("user.utils.linter")
+
+local getLeftSubstring = function(word, length)
+	if #word > length then
+		return string.sub(word, 1, length) .. "..."
+	else
+		return word
+	end
+end
+
+local unique_list = function(list)
+	local seen = {}
+	local result = {}
+
+	for _, val in ipairs(list) do
+		if not seen[val] then
+			table.insert(result, val)
+			seen[val] = true
+		end
+	end
+
+	return result
+end
+
+return {
+	-- treesitter info
+	treesitter = {
+		function()
+			return icons.ui.Paint .. " TS"
+		end,
+		color = function()
+			local buf = vim.api.nvim_get_current_buf()
+			local ts = vim.treesitter.highlighter.active[buf]
+			return { fg = ts and not vim.tbl_isempty(ts) and "#50fa7b" or "#FF5555" }
+		end,
+		cond = hide_in_width,
+	},
+
+	-- Lsp info
+	lsp_info = {
+		function()
+			local msg = "LSP Inactive"
+			local buf_ft = vim.bo.filetype
+			-- start register
+			local buf_clients = {}
+			buf_clients = vim.lsp.get_clients({ bufnr = 0 })
+			local buf_client_names = {}
+			if next(buf_clients) == nil then
+				-- TODO: clean up this if statement
+				if type(msg) == "boolean" or #msg == 0 then
+					return "LSP Inactive"
+				end
+				return msg
+			end
+			-- add client
+			for _, client in pairs(buf_clients) do
+				if client.name ~= "null-ls" and client.name ~= "copilot" then
+					table.insert(buf_client_names, client.name)
+				end
+			end
+
+			-- add formatter
+			local supported_formatters = formatter.list_registered(buf_ft)
+			vim.list_extend(buf_client_names, supported_formatters)
+
+			-- add linter
+			local supported_linters = linter.linter_list_registered(buf_ft)
+			vim.list_extend(buf_client_names, supported_linters)
+
+			-- decomple
+			-- local unique_client_names = vim.fn.uniq(buf_client_names)
+			local unique_client_names = unique_list(buf_client_names)
+			msg = table.concat(unique_client_names, ", ")
+			return msg
+		end,
+		icon = icons.ui.Gear .. "",
+		padding = 1,
+		cond = hide_in_width,
+	},
+
+	-- diagnostics info
+	diagnostics = {
+		"diagnostics",
+		sources = { "nvim_diagnostic" },
+		sections = { "error", "warn" },
+		symbols = {
+			error = icons.diagnostics.BoldError .. " ",
+			warn = icons.diagnostics.BoldWarning .. " ",
+		},
+		colored = true,
+		update_in_insert = false,
+		always_visible = false,
+	},
+
+	-- git info
+	diff = {
+		"diff",
+		colored = true,
+		symbols = {
+			added = icons.git.LineAdded .. " ",
+			modified = icons.git.LineModified .. " ",
+			removed = icons.git.LineRemoved .. " ",
+		},
+		cond = hide_in_width,
+	},
+
+	-- tab info
+	spaces = {
+		function()
+			-- local shiftwidth = vim.api.nvim_buf_get_option(0, "shiftwidth")
+			-- local shiftwidth = vim.api.nvim_get_option_value("shiftwidth", { scope = "buf", bufnr = 0 })
+			local shiftwidth = vim.fn.shiftwidth()
+			return icons.ui.Tab .. " " .. shiftwidth
+		end,
+		padding = 1,
+	},
+
+	-- nvim mode info
+	mode = {
+		"mode",
+		padding = 1,
+		separator = { left = " " },
+		fmt = function(str)
+			return icons.ui.Neovim .. " " .. str
+		end,
+	},
+
+	-- git branch info
+	get_branch = function()
+		if vim.b.gitsigns_head ~= nil then
+			return icons.git.Branch2 .. " " .. getLeftSubstring(vim.b.gitsigns_head, 6)
+		else
+			return icons.git.Branch2 .. vim.fn.fnamemodify("", ":t")
+		end
+	end,
+
+	-- default colorscheme
+	colors = {
+		blue = "#50fa7b",
+		cyan = "#f1fa8c",
+		black = "#1a1b26",
+		black_transparant = "none",
+		white = "#c6c6c6",
+		red = "#ff757f",
+		skyblue_1 = "#bd93f9",
+		grey = "#5f6a8e",
+		yellow = "#ffb86c",
+		fg_gutter = "#3b4261",
+		green1 = "#bd93f9",
+	},
+
+	-- default lualine theme
+	bubbles_theme = function(colors)
+		return {
+			normal = {
+				a = { fg = colors.black, bg = colors.skyblue_1 },
+				b = { fg = colors.white, bg = colors.grey },
+				c = { fg = colors.white, bg = colors.black_transparant },
+			},
+
+			insert = {
+				a = { fg = colors.black, bg = colors.blue },
+				b = { fg = colors.blue, bg = colors.grey },
+			},
+			visual = {
+				a = { fg = colors.black, bg = colors.cyan },
+				b = { fg = colors.cyan, bg = colors.grey },
+			},
+			replace = {
+				a = { bg = colors.red, fg = colors.black },
+				b = { bg = colors.fg_gutter, fg = colors.red },
+			},
+			command = {
+				a = { bg = colors.yellow, fg = colors.black },
+				b = { bg = colors.fg_gutter, fg = colors.yellow },
+			},
+			terminal = {
+				a = { bg = colors.green1, fg = colors.black },
+				b = { bg = colors.fg_gutter, fg = colors.green1 },
+			},
+			inactive = {
+				a = { fg = colors.white, bg = colors.black_transparant },
+				b = { fg = colors.white, bg = colors.black_transparant },
+				c = { fg = colors.black, bg = colors.black_transparant },
+			},
+		}
+	end,
+}
diff --git a/lua/user/utils/whichkey.lua b/lua/user/utils/whichkey.lua
new file mode 100644
index 0000000..20b1e15
--- /dev/null
+++ b/lua/user/utils/whichkey.lua
@@ -0,0 +1,284 @@
+local M = {}
+
+-- for debug
+local debug_key = {}
+
+if vim.fn.has("win32") == 0 then
+	debug_key = {
+		name = "  Debug",
+		t = { "<cmd>lua require'dap'.toggle_breakpoint()<cr>", "Toggle Breakpoint" },
+		b = { "<cmd>lua require'dap'.step_back()<cr>", "Step Back" },
+		c = { "<cmd>lua require'dap'.continue()<cr>", "Continue" },
+		C = { "<cmd>lua require'dap'.run_to_cursor()<cr>", "Run To Cursor" },
+		d = { "<cmd>lua require'dap'.disconnect()<cr>", "Disconnect" },
+		g = { "<cmd>lua require'dap'.session()<cr>", "Get Session" },
+		i = { "<cmd>lua require'dap'.step_into()<cr>", "Step Into" },
+		o = { "<cmd>lua require'dap'.step_over()<cr>", "Step Over" },
+		u = { "<cmd>lua require'dap'.step_out()<cr>", "Step Out" },
+		p = { "<cmd>lua require'dap'.pause()<cr>", "Pause" },
+		r = { "<cmd>lua require'dap'.repl.toggle()<cr>", "Toggle Repl" },
+		s = { "<cmd>lua require'dap'.continue()<cr>", "Start" },
+		q = { "<cmd>lua require'dap'.close()<cr>", "Quit" },
+		U = { "<cmd>lua require'dapui'.toggle({reset = true})<cr>", "Toggle UI" },
+	}
+end
+-- end debug
+
+function M._LAZYGIT_TOGGLE()
+	local Terminal = require("toggleterm.terminal").Terminal
+	local lazygit = Terminal:new({ cmd = "lazygit", hidden = true })
+	lazygit:toggle()
+end
+
+function M._NODE_TOGGLE()
+	local Terminal = require("toggleterm.terminal").Terminal
+	local node = Terminal:new({ cmd = "node", hidden = true })
+	node:toggle()
+end
+
+function M._BTOP_TOGGLE()
+	local Terminal = require("toggleterm.terminal").Terminal
+	local htop = Terminal:new({ cmd = "btop", hidden = true })
+	htop:toggle()
+end
+
+function M._PYTHON_TOGGLE()
+	local Terminal = require("toggleterm.terminal").Terminal
+	local python = Terminal:new({ cmd = "python", hidden = true })
+	python:toggle()
+end
+
+function M._NEWTAB_TOGGLE()
+	local Terminal = require("toggleterm.terminal").Terminal
+	local pwsh = Terminal:new({ cmd = "pwsh", hidden = true, direction = "tab" })
+	pwsh:toggle()
+end
+
+function M._OPEN_EXPLORER()
+	local Terminal = require("toggleterm.terminal").Terminal
+	local pwsh = Terminal:new({ cmd = "explorer .", hidden = true, direction = "tab" })
+	pwsh:toggle()
+end
+
+function M._LIVE_SERVER()
+	local Terminal = require("toggleterm.terminal").Terminal
+	local live_server = Terminal:new({
+		cmd = "live-server",
+		hidden = true,
+		direction = "tab",
+	})
+	live_server:toggle()
+end
+
+function M._OPEN_ALACRITTY()
+	-- open alacritty new windows current directory
+	vim.cmd("silent !alacritty --working-directory " .. vim.fn.getcwd())
+end
+
+function M._OPEN_WEZTERM()
+	-- open wezterm new windows current directory
+	vim.cmd("silent !wezterm start --cwd " .. vim.fn.getcwd())
+end
+
+-- get folder name from current directory
+function M._get_folder_name()
+	return vim.fn.fnamemodify(vim.fn.getcwd(), ":t")
+end
+
+function M._OPEN_WEZTERM_TAB()
+	-- open new tab wezterm current directory
+	vim.cmd('silent !wezterm cli spawn --cwd "' .. vim.fn.getcwd() .. '"')
+end
+
+function M._SET_TAB_TITLE()
+	-- set tab title
+	vim.cmd('silent !wezterm cli set-tab-title "' .. _get_folder_name() .. '"')
+end
+
+function M._CLOSE_BUFFER()
+	local buf = vim.api.nvim_get_current_buf()
+	--  delete current buffer
+	require("bufdelete").bufdelete(buf, true)
+end
+
+-- function for close all bufferline
+function M._CLOSE_ALL_BUFFER()
+	-- get all buffer
+	local bufs = vim.api.nvim_list_bufs()
+	-- loop through all buffer
+	for _, buf in pairs(bufs) do
+		require("user.utils").bufdelete(buf)
+	end
+end
+
+M.mappings = {
+	["a"] = { "<cmd>Alpha<cr>", "󰕮 Alpha" },
+	["e"] = { "<cmd>NvimTreeToggle<cr>", "󰙅 Explorer" },
+	["w"] = { "<cmd>w!<CR>", "󰆓 Save" },
+	["q"] = { "<cmd>q!<CR>", "󰿅 Quit" },
+	-- open exloler and close toggleterm
+	["o"] = {
+		"<cmd>lua require('user.utils.whichkey')._OPEN_EXPLORER()<cr>",
+		"󱏒 Open Explorer",
+	},
+	["h"] = { "<cmd>nohlsearch<CR>", "󱪿 No Highlight" },
+	["f"] = {
+		"<cmd>Telescope find_files <CR>",
+		" Find files",
+	},
+	["F"] = { "<cmd>Telescope live_grep theme=ivy<cr>", " Find Text" },
+	["/"] = {
+		function()
+			require("Comment.api").toggle.linewise.current()
+		end,
+		"󰆈 Coment line",
+	},
+	b = {
+		name = "  Buffers",
+		-- show all buffers with telescope
+		b = {
+			"<cmd>lua require('telescope.builtin').buffers(require('telescope.themes').get_dropdown{previewer = false})<cr>",
+			"All Buffer",
+		},
+		-- close current active buffer
+		c = { "<cmd>lua require('user.utils.whichkey').bufremove()<cr>", "Close current buffer" },
+		-- bufferline close left
+		d = {
+			"<cmd>BufferLineCloseLeft<cr>",
+			"Buffer close left",
+		},
+		-- bufferline close right
+		D = {
+			"<cmd>BufferLineCloseRight<cr>",
+			"Buffer close right",
+		},
+		-- bufferline close others
+		a = {
+			"<cmd>BufferLineCloseOthers<cr>",
+			"Buffer close others",
+		},
+		-- close all bufferline
+		A = {
+			"<cmd>BufferLineCloseOthers<cr><cmd>bd!<cr>",
+			"Buffer close All Buffer",
+		},
+	},
+
+	g = {
+		name = "  Git",
+		g = { "<cmd>lua require('user.utils.whichkey')._LAZYGIT_TOGGLE()<CR>", "Lazygit" },
+		j = { "<cmd>lua require 'gitsigns'.next_hunk()<cr>", "Next Hunk" },
+		k = { "<cmd>lua require 'gitsigns'.prev_hunk()<cr>", "Prev Hunk" },
+		l = { "<cmd>lua require 'gitsigns'.blame_line()<cr>", "Blame" },
+		p = { "<cmd>lua require 'gitsigns'.preview_hunk()<cr>", "Preview Hunk" },
+		r = { "<cmd>lua require 'gitsigns'.reset_hunk()<cr>", "Reset Hunk" },
+		R = { "<cmd>lua require 'gitsigns'.reset_buffer()<cr>", "Reset Buffer" },
+		s = { "<cmd>lua require 'gitsigns'.stage_hunk()<cr>", "Stage Hunk" },
+		u = {
+			"<cmd>lua require 'gitsigns'.undo_stage_hunk()<cr>",
+			"Undo Stage Hunk",
+		},
+		o = { "<cmd>Telescope git_status<cr>", "Open changed file" },
+		b = { "<cmd>Telescope git_branches<cr>", "Checkout branch" },
+		c = { "<cmd>Telescope git_commits<cr>", "Checkout commit" },
+		d = {
+			"<cmd>Gitsigns diffthis HEAD<cr>",
+			"Diff",
+		},
+	},
+
+	l = {
+		name = "  LSP",
+		a = { "<cmd>lua vim.lsp.buf.code_action()<cr>", "Code Action" },
+		d = {
+			"<cmd>Telescope diagnostics bufnr=0<cr>",
+			"Document Diagnostics",
+		},
+		w = {
+			"<cmd>Telescope diagnostics<cr>",
+			"Workspace Diagnostics",
+		},
+		f = { "<cmd>lua vim.lsp.buf.format{async=true}<cr>", "Format" },
+		i = { "<cmd>LspInfo<cr>", "Info" },
+		I = { "<cmd>Mason<cr>", "Installer Info" },
+		j = {
+			"<cmd>lua vim.lsp.diagnostic.goto_next()<CR>",
+			"Next Diagnostic",
+		},
+		k = {
+			"<cmd>lua vim.lsp.diagnostic.goto_prev()<cr>",
+			"Prev Diagnostic",
+		},
+		l = { "<cmd>lua vim.lsp.codelens.run()<cr>", "CodeLens Action" },
+		q = { "<cmd>lua vim.diagnostic.setloclist()<cr>", "Quickfix" },
+		r = { "<cmd>lua vim.lsp.buf.rename()<cr>", "Rename" },
+		s = { "<cmd>Telescope lsp_document_symbols<cr>", "Document Symbols" },
+		S = {
+			"<cmd>Telescope lsp_dynamic_workspace_symbols<cr>",
+			"Workspace Symbols",
+		},
+	},
+	s = {
+		name = "  Search",
+		b = { "<cmd>Telescope git_branches<cr>", "Checkout branch" },
+		c = { "<cmd>Telescope colorscheme<cr>", "Colorscheme" },
+		h = { "<cmd>Telescope help_tags<cr>", "Find Help" },
+		M = { "<cmd>Telescope man_pages<cr>", "Man Pages" },
+		r = { "<cmd>Telescope oldfiles<cr>", "Open Recent File" },
+		R = { "<cmd>Telescope registers<cr>", "Registers" },
+		k = { "<cmd>Telescope keymaps<cr>", "Keymaps" },
+		C = { "<cmd>Telescope commands<cr>", "Commands" },
+	},
+
+	t = {
+		name = "  Terminal",
+		l = { "<cmd>terminal live-server<cr>", "Live Server" },
+		P = { "<cmd>lua require('user.utils.whichkey')._NEWTAB_TOGGLE()<cr>", "Power Shell" },
+		x = { "<cmd>ToggleTermToggleAll!<cr>", "Close Tab" },
+		n = { "<cmd>lua require('user.utils.whichkey')._NODE_TOGGLE()<cr>", "Node" },
+		b = { "<cmd>lua require('user.utils.whichkey')._BTOP_TOGGLE()<cr>", "Btop" },
+		p = { "<cmd>lua require('user.utils.whichkey')._PYTHON_TOGGLE()<cr>", "Python" },
+		f = { "<cmd>ToggleTerm direction=float<cr>", "Float" },
+		h = { "<cmd>ToggleTerm size=10 direction=horizontal<cr>", "Horizontal" },
+		v = { "<cmd>ToggleTerm size=80 direction=vertical<cr>", "Vertical" },
+		s = { "<cmd>ToggleTerm direction=tab<cr>", "New Tab" },
+		a = { "<cmd>lua require('user.utils.whichkey')._OPEN_ALACRITTY()<cr>", "Open Alacritty" },
+		w = { "<cmd>lua require('user.utils.whichkey')._OPEN_WEZTERM()<cr>", "Open Wezterm" },
+		t = { "<cmd>lua require('user.utils.whichkey')._OPEN_WEZTERM_TAB()<cr>", "Open Tab Wezterm" },
+		j = { "<cmd>lua _SET_TAB_TITLE()<cr>", "Set Tab Title" },
+	},
+	r = {
+		name = "  Run",
+		l = { "<cmd>edit term://live-server<cr>", "Live Server" },
+		s = {
+			'<cmd>autocmd bufwritepost [^_]*.sass,[^_]*.scss  silent exec "!sass %:p %:r.css"<CR>',
+			"Auto Compile Sass",
+		},
+		r = { "<cmd>RunCode<CR>", "Run Code" },
+		f = { "<cmd>RunFile<CR>", "Run File" },
+		p = { "<cmd>RunProject<CR>", "Run Project" },
+		g = { "<cmd>terminal<cr>gradle run<cr>", "Run Gradle" },
+		m = {
+			"<cmd>terminal mvn package<cr>",
+			"MVN Build",
+		},
+	},
+	d = debug_key,
+	z = {
+		name = " 󱑠 Plugins(Lazy)",
+		i = { "<cmd>Lazy install<cr>", "Install" },
+		s = { "<cmd>Lazy sync<cr>", "Sync" },
+		S = { "<cmd>Lazy clear<cr>", "Status" },
+		c = { "<cmd>Lazy clean<cr>", "Clean" },
+		u = { "<cmd>Lazy update<cr>", "Update" },
+		p = { "<cmd>Lazy profile<cr>", "Profile" },
+		l = { "<cmd>Lazy log<cr>", "Log" },
+		d = { "<cmd>Lazy debug<cr>", "Debug" },
+	},
+}
+
+M.mappings2 = {
+	["/"] = { "<esc><cmd>lua require('Comment.api').toggle.linewise(vim.fn.visualmode())<cr>", " 󰆈 Commet Block" },
+}
+
+return M
diff --git a/lua/user/whichkey.lua b/lua/user/whichkey.lua
index 6be11a8..7a5b8d7 100644
--- a/lua/user/whichkey.lua
+++ b/lua/user/whichkey.lua
@@ -7,7 +7,7 @@ end
 
 function _SET_TAB_TITLE()
 	-- set tab title
-	vim.cmd('silent !wezterm cli set-tab-title "' .. require("user.utils")._get_folder_name() .. '"')
+	vim.cmd('silent !wezterm cli set-tab-title "' .. require("user.utils.whichkey")._get_folder_name() .. '"')
 end
 
 local icons = require("user.icons")
@@ -101,198 +101,6 @@ local opts2 = {
 	nowait = true, -- use `nowait` when creating keymaps
 }
 
--- for debug
-local debug_key = {}
-
-if vim.fn.has("win32") == 0 then
-	debug_key = {
-		name = "  Debug",
-		t = { "<cmd>lua require'dap'.toggle_breakpoint()<cr>", "Toggle Breakpoint" },
-		b = { "<cmd>lua require'dap'.step_back()<cr>", "Step Back" },
-		c = { "<cmd>lua require'dap'.continue()<cr>", "Continue" },
-		C = { "<cmd>lua require'dap'.run_to_cursor()<cr>", "Run To Cursor" },
-		d = { "<cmd>lua require'dap'.disconnect()<cr>", "Disconnect" },
-		g = { "<cmd>lua require'dap'.session()<cr>", "Get Session" },
-		i = { "<cmd>lua require'dap'.step_into()<cr>", "Step Into" },
-		o = { "<cmd>lua require'dap'.step_over()<cr>", "Step Over" },
-		u = { "<cmd>lua require'dap'.step_out()<cr>", "Step Out" },
-		p = { "<cmd>lua require'dap'.pause()<cr>", "Pause" },
-		r = { "<cmd>lua require'dap'.repl.toggle()<cr>", "Toggle Repl" },
-		s = { "<cmd>lua require'dap'.continue()<cr>", "Start" },
-		q = { "<cmd>lua require'dap'.close()<cr>", "Quit" },
-		U = { "<cmd>lua require'dapui'.toggle({reset = true})<cr>", "Toggle UI" },
-	}
-end
--- end debug
-local mappings2 = {
-	["/"] = { "<esc><cmd>lua require('Comment.api').toggle.linewise(vim.fn.visualmode())<cr>", " 󰆈 Commet Block" },
-}
-local mappings = {
-	["a"] = { "<cmd>Alpha<cr>", "󰕮 Alpha" },
-	["e"] = { "<cmd>NvimTreeToggle<cr>", "󰙅 Explorer" },
-	["w"] = { "<cmd>w!<CR>", "󰆓 Save" },
-	["q"] = { "<cmd>q!<CR>", "󰿅 Quit" },
-	-- open exloler and close toggleterm
-	["o"] = {
-		"<cmd>lua require('user.utils')._OPEN_EXPLORER()<cr>",
-		"󱏒 Open Explorer",
-	},
-	["h"] = { "<cmd>nohlsearch<CR>", "󱪿 No Highlight" },
-	["f"] = {
-		"<cmd>Telescope find_files <CR>",
-		" Find files",
-	},
-	["F"] = { "<cmd>Telescope live_grep theme=ivy<cr>", " Find Text" },
-	["/"] = {
-		function()
-			require("Comment.api").toggle.linewise.current()
-		end,
-		"󰆈 Coment line",
-	},
-	b = {
-		name = "  Buffers",
-		-- show all buffers with telescope
-		b = {
-			"<cmd>lua require('telescope.builtin').buffers(require('telescope.themes').get_dropdown{previewer = false})<cr>",
-			"All Buffer",
-		},
-		-- close current active buffer
-		c = { "<cmd>lua require('user.utils').bufremove()<cr>", "Close current buffer" },
-		-- bufferline close left
-		d = {
-			"<cmd>BufferLineCloseLeft<cr>",
-			"Buffer close left",
-		},
-		-- bufferline close right
-		D = {
-			"<cmd>BufferLineCloseRight<cr>",
-			"Buffer close right",
-		},
-		-- bufferline close others
-		a = {
-			"<cmd>BufferLineCloseOthers<cr>",
-			"Buffer close others",
-		},
-		-- close all bufferline
-		A = {
-			"<cmd>BufferLineCloseOthers<cr><cmd>bd!<cr>",
-			"Buffer close All Buffer",
-		},
-	},
-
-	g = {
-		name = "  Git",
-		g = { "<cmd>lua require('user.utils')._LAZYGIT_TOGGLE()<CR>", "Lazygit" },
-		j = { "<cmd>lua require 'gitsigns'.next_hunk()<cr>", "Next Hunk" },
-		k = { "<cmd>lua require 'gitsigns'.prev_hunk()<cr>", "Prev Hunk" },
-		l = { "<cmd>lua require 'gitsigns'.blame_line()<cr>", "Blame" },
-		p = { "<cmd>lua require 'gitsigns'.preview_hunk()<cr>", "Preview Hunk" },
-		r = { "<cmd>lua require 'gitsigns'.reset_hunk()<cr>", "Reset Hunk" },
-		R = { "<cmd>lua require 'gitsigns'.reset_buffer()<cr>", "Reset Buffer" },
-		s = { "<cmd>lua require 'gitsigns'.stage_hunk()<cr>", "Stage Hunk" },
-		u = {
-			"<cmd>lua require 'gitsigns'.undo_stage_hunk()<cr>",
-			"Undo Stage Hunk",
-		},
-		o = { "<cmd>Telescope git_status<cr>", "Open changed file" },
-		b = { "<cmd>Telescope git_branches<cr>", "Checkout branch" },
-		c = { "<cmd>Telescope git_commits<cr>", "Checkout commit" },
-		d = {
-			"<cmd>Gitsigns diffthis HEAD<cr>",
-			"Diff",
-		},
-	},
-
-	l = {
-		name = "  LSP",
-		a = { "<cmd>lua vim.lsp.buf.code_action()<cr>", "Code Action" },
-		d = {
-			"<cmd>Telescope diagnostics bufnr=0<cr>",
-			"Document Diagnostics",
-		},
-		w = {
-			"<cmd>Telescope diagnostics<cr>",
-			"Workspace Diagnostics",
-		},
-		f = { "<cmd>lua vim.lsp.buf.format{async=true}<cr>", "Format" },
-		i = { "<cmd>LspInfo<cr>", "Info" },
-		I = { "<cmd>Mason<cr>", "Installer Info" },
-		j = {
-			"<cmd>lua vim.lsp.diagnostic.goto_next()<CR>",
-			"Next Diagnostic",
-		},
-		k = {
-			"<cmd>lua vim.lsp.diagnostic.goto_prev()<cr>",
-			"Prev Diagnostic",
-		},
-		l = { "<cmd>lua vim.lsp.codelens.run()<cr>", "CodeLens Action" },
-		q = { "<cmd>lua vim.diagnostic.setloclist()<cr>", "Quickfix" },
-		r = { "<cmd>lua vim.lsp.buf.rename()<cr>", "Rename" },
-		s = { "<cmd>Telescope lsp_document_symbols<cr>", "Document Symbols" },
-		S = {
-			"<cmd>Telescope lsp_dynamic_workspace_symbols<cr>",
-			"Workspace Symbols",
-		},
-	},
-	s = {
-		name = "  Search",
-		b = { "<cmd>Telescope git_branches<cr>", "Checkout branch" },
-		c = { "<cmd>Telescope colorscheme<cr>", "Colorscheme" },
-		h = { "<cmd>Telescope help_tags<cr>", "Find Help" },
-		M = { "<cmd>Telescope man_pages<cr>", "Man Pages" },
-		r = { "<cmd>Telescope oldfiles<cr>", "Open Recent File" },
-		R = { "<cmd>Telescope registers<cr>", "Registers" },
-		k = { "<cmd>Telescope keymaps<cr>", "Keymaps" },
-		C = { "<cmd>Telescope commands<cr>", "Commands" },
-	},
-
-	t = {
-		name = "  Terminal",
-		l = { "<cmd>terminal live-server<cr>", "Live Server" },
-		P = { "<cmd>lua require('user.utils')._NEWTAB_TOGGLE()<cr>", "Power Shell" },
-		x = { "<cmd>ToggleTermToggleAll!<cr>", "Close Tab" },
-		n = { "<cmd>lua require('user.utils')._NODE_TOGGLE()<cr>", "Node" },
-		b = { "<cmd>lua require('user.utils')._BTOP_TOGGLE()<cr>", "Btop" },
-		p = { "<cmd>lua require('user.utils')._PYTHON_TOGGLE()<cr>", "Python" },
-		f = { "<cmd>ToggleTerm direction=float<cr>", "Float" },
-		h = { "<cmd>ToggleTerm size=10 direction=horizontal<cr>", "Horizontal" },
-		v = { "<cmd>ToggleTerm size=80 direction=vertical<cr>", "Vertical" },
-		s = { "<cmd>ToggleTerm direction=tab<cr>", "New Tab" },
-		a = { "<cmd>lua require('user.utils')._OPEN_ALACRITTY()<cr>", "Open Alacritty" },
-		w = { "<cmd>lua require('user.utils')._OPEN_WEZTERM()<cr>", "Open Wezterm" },
-		t = { "<cmd>lua require('user.utils')._OPEN_WEZTERM_TAB()<cr>", "Open Tab Wezterm" },
-		j = { "<cmd>lua _SET_TAB_TITLE()<cr>", "Set Tab Title" },
-	},
-	r = {
-		name = "  Run",
-		l = { "<cmd>edit term://live-server<cr>", "Live Server" },
-		s = {
-			'<cmd>autocmd bufwritepost [^_]*.sass,[^_]*.scss  silent exec "!sass %:p %:r.css"<CR>',
-			"Auto Compile Sass",
-		},
-		r = { "<cmd>RunCode<CR>", "Run Code" },
-		f = { "<cmd>RunFile<CR>", "Run File" },
-		p = { "<cmd>RunProject<CR>", "Run Project" },
-		g = { "<cmd>terminal<cr>gradle run<cr>", "Run Gradle" },
-		m = {
-			"<cmd>terminal mvn package<cr>",
-			"MVN Build",
-		},
-	},
-	d = debug_key,
-	z = {
-		name = " 󱑠 Plugins(Lazy)",
-		i = { "<cmd>Lazy install<cr>", "Install" },
-		s = { "<cmd>Lazy sync<cr>", "Sync" },
-		S = { "<cmd>Lazy clear<cr>", "Status" },
-		c = { "<cmd>Lazy clean<cr>", "Clean" },
-		u = { "<cmd>Lazy update<cr>", "Update" },
-		p = { "<cmd>Lazy profile<cr>", "Profile" },
-		l = { "<cmd>Lazy log<cr>", "Log" },
-		d = { "<cmd>Lazy debug<cr>", "Debug" },
-	},
-}
-
 local wkey = {}
 local data_exists, key = pcall(require, "core.config")
 if data_exists then
@@ -300,6 +108,6 @@ if data_exists then
 end
 
 which_key.setup(setup)
-which_key.register(mappings, opts)
+which_key.register(require("user.utils.whichkey").mappings, opts)
 which_key.register(wkey, opts)
-which_key.register(mappings2, opts2)
+which_key.register(require("user.utils.whichkey").mappings2, opts2)