diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e033bc6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+lazy-lock.json
diff --git a/lua/keymap.lua b/lua/keymap.lua
index 5f9bad4..a078510 100644
--- a/lua/keymap.lua
+++ b/lua/keymap.lua
@@ -14,18 +14,31 @@ vim.keymap.set("n", "<C-f>d", tb.man_pages, {})
 -- open tree
 vim.keymap.set({ "i", "n" }, "<C-t>", vim.cmd.NvimTreeFocus, {})
 -- move and copy lines
-vim.keymap.set({ "i", "n" }, "<A-Up>", function()vim.api.nvim_feedkeys("ddkP", "x", false)end, {})
-vim.keymap.set({ "i", "n" }, "<A-Down>", function()vim.api.nvim_feedkeys("ddp", "x", false)end, {})
-vim.keymap.set({ "i", "n" }, "<A-S-Up>", function()vim.api.nvim_feedkeys("yyP", "x", false)end, {})
-vim.keymap.set({ "i", "n" }, "<A-S-Down>", function()vim.api.nvim_feedkeys("yyp", "x", false)end, {})
+vim.keymap.set({ "i", "n" }, "<A-Up>", function()
+	vim.api.nvim_feedkeys("ddkP", "x", false)
+end, {})
+vim.keymap.set({ "i", "n" }, "<A-Down>", function()
+	vim.api.nvim_feedkeys("ddp", "x", false)
+end, {})
+vim.keymap.set({ "i", "n" }, "<A-S-Up>", function()
+	vim.api.nvim_feedkeys("yyP", "x", false)
+end, {})
+vim.keymap.set({ "i", "n" }, "<A-S-Down>", function()
+	vim.api.nvim_feedkeys("yyp", "x", false)
+end, {})
 -- on <C-Space> in normal, insert and start autoComp
 vim.keymap.set("n", "<C-Space>", function()
 	vim.api.nvim_feedkeys("i", "m", false)
 	local key1 = vim.api.nvim_replace_termcodes("<C-Space>", true, false, true)
 	vim.api.nvim_feedkeys(key1, "m", false)
 end, {})
+-- toggle function signature
+vim.keymap.set("i", "<C-S-Space>", function()
+	require("lsp_signature").toggle_float_win()
+end, {})
+-- format and vplit remaps
 vim.keymap.set({ "n", "i" }, "<A-F>", vim.cmd.Format, {})
 vim.keymap.set({ "i", "n" }, "<C-\\>", vim.cmd.vsplit, {})
 -- vscode fold and unfold
-vim.keymap.set("n", "<C-[>","zc", {})
+vim.keymap.set("n", "<C-[>", "zc", {})
 vim.keymap.set("n", "<C-]>", "zo", {})
diff --git a/lua/plugins.lua b/lua/plugins.lua
index d3066e1..9ee36ae 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -2,6 +2,9 @@ local plugins = {
 	{
 		"williamboman/mason.nvim",
 	},
+    {
+        "ray-x/lsp_signature.nvim"
+    },
 	{
 		"williamboman/mason-lspconfig.nvim",
 	},
diff --git a/lua/setup.lua b/lua/setup.lua
index f72e588..ad8a99a 100644
--- a/lua/setup.lua
+++ b/lua/setup.lua
@@ -16,3 +16,5 @@ require("setuptabout")
 require("setupufo")
 
 require("setupcomment")
+-- setup function signature
+require("setupsig")
diff --git a/lua/setupformat.lua b/lua/setupformat.lua
index 495228b..5395c25 100644
--- a/lua/setupformat.lua
+++ b/lua/setupformat.lua
@@ -2,7 +2,7 @@
 -- https://github.com/mhartington/formatter.nvim/tree/master/lua/formatter/filetypes
 -- Utilities for creating configurations
 local util = require("formatter.util")
-
+local defaults = require("formatter.defaults")
 -- Provides the Format, FormatWrite, FormatLock, and FormatWriteLock commands
 require("formatter").setup({
 	-- Enable or disable logging
@@ -13,6 +13,10 @@ require("formatter").setup({
 	filetype = {
 		-- Formatter configurations for filetype "lua" go here
 		-- and will be executed in order
+		typescript = {
+			require("formatter.filetypes.typescript").eslint_d,
+			util.copyf(defaults.eslint_d),
+		},
 		kotlin = {
 			require("formatter.filetypes.kotlin").ktlint,
 			function()
diff --git a/lua/setuplsp.lua b/lua/setuplsp.lua
index 941c39e..55f621d 100644
--- a/lua/setuplsp.lua
+++ b/lua/setuplsp.lua
@@ -5,6 +5,12 @@ capabilities.textDocument.foldingRange = {
 	dynamicRegistration = false,
 	lineFoldingOnly = true,
 }
+require("lspconfig").pyright.setup({
+	capabilities = capabilities,
+})
+require("lspconfig").tsserver.setup({
+	capabilities = capabilities,
+})
 --
 require("lspconfig").kotlin_language_server.setup({
 	capabilities = capabilities,
@@ -48,7 +54,7 @@ require("lspconfig").lua_ls.setup({
 })
 
 local luasnip = require("luasnip")
-
+local pairs = require("nvim-autopairs.completion.cmp")
 local cmp = require("cmp")
 cmp.setup({
 	snippet = {
@@ -60,7 +66,7 @@ cmp.setup({
 		--    ['<C-u>'] = cmp.mapping.scroll_docs(-4), -- Up
 		--  ['<C-d>'] = cmp.mapping.scroll_docs(4), -- Down
 		-- C-b (back) C-f (forward) for snippet placeholder navigation.
-		   ['<C-Space>'] = cmp.mapping.complete(),
+		["<C-Space>"] = cmp.mapping.complete(),
 		["<CR>"] = cmp.mapping.confirm({
 			behavior = cmp.ConfirmBehavior.Replace,
 			select = true,
@@ -87,5 +93,7 @@ cmp.setup({
 	sources = {
 		{ name = "nvim_lsp" },
 		{ name = "luasnip" },
+		{ name = "hrsh7th/cmp-nvim-lsp-signature-help" },
 	},
 })
+cmp.event:on("confirm_done", pairs.on_confirm_done())
diff --git a/lua/setupsig.lua b/lua/setupsig.lua
new file mode 100644
index 0000000..ef99df5
--- /dev/null
+++ b/lua/setupsig.lua
@@ -0,0 +1,4 @@
+local cfg = {
+	hint_enable = false,
+} -- add your config here
+require("lsp_signature").setup(cfg)