diff --git a/.luarc.json b/.luarc.json
new file mode 100644
index 0000000..e34fdba
--- /dev/null
+++ b/.luarc.json
@@ -0,0 +1,7 @@
+{
+    "$schema": "https://raw.githubusercontent.com/sumneko/vscode-lua/master/setting/schema.json",
+    "Lua.diagnostics.globals": [
+        "vim",
+        "use"
+    ]
+}
\ No newline at end of file
diff --git a/init.vim b/init.vim
new file mode 100644
index 0000000..c481bce
--- /dev/null
+++ b/init.vim
@@ -0,0 +1,11 @@
+lua require('basic')
+lua require('keybindings')
+lua require('plugins')
+
+" 插件配置
+lua require('plugin-config/nvim-tree')
+lua require('plugin-config/nvim-treesitter')
+lua require('lsp/setup')
+
+set background=dark
+colorscheme nord
diff --git a/lua/basic.lua b/lua/basic.lua
new file mode 100644
index 0000000..0143b96
--- /dev/null
+++ b/lua/basic.lua
@@ -0,0 +1,80 @@
+-- utf8
+vim.g.encoding = "UTF-8"
+vim.o.fileencoding = 'utf-8'
+-- jk移动时光标下上方保留8行
+vim.o.scrolloff = 8
+vim.o.sidescrolloff = 8
+-- 使用相对行号
+vim.wo.number = true
+vim.wo.relativenumber = true
+-- 高亮所在行
+vim.wo.cursorline = true
+-- 显示左侧图标指示列
+vim.wo.signcolumn = "yes"
+-- 右侧参考线，超过表示代码太长了，考虑换行
+vim.wo.colorcolumn = "80"
+-- 缩进2个空格等于一个Tab
+vim.o.tabstop = 2
+vim.bo.tabstop = 2
+vim.o.softtabstop = 2
+vim.o.shiftround = true
+-- >> << 时移动长度
+vim.o.shiftwidth = 2
+vim.bo.shiftwidth = 2
+-- 新行对齐当前行，空格替代tab
+vim.o.expandtab = true
+vim.bo.expandtab = true
+vim.o.autoindent = true
+vim.bo.autoindent = true
+vim.o.smartindent = true
+-- 搜索大小写不敏感，除非包含大写
+vim.o.ignorecase = true
+vim.o.smartcase = true
+-- 搜索不要高亮
+vim.o.hlsearch = false
+-- 边输入边搜索
+vim.o.incsearch = true
+-- 使用增强状态栏后不再需要 vim 的模式提示
+vim.o.showmode = false
+-- 命令行高为2，提供足够的显示空间
+vim.o.cmdheight = 2
+-- 当文件被外部程序修改时，自动加载
+vim.o.autoread = true
+vim.bo.autoread = true
+-- 禁止折行
+vim.o.wrap = false
+vim.wo.wrap = false
+-- 行结尾可以跳到下一行
+vim.o.whichwrap = 'b,s,<,>,[,],h,l'
+-- 允许隐藏被修改过的buffer
+vim.o.hidden = true
+-- 鼠标支持
+vim.o.mouse = "a"
+-- 禁止创建备份文件
+vim.o.backup = false
+vim.o.writebackup = false
+vim.o.swapfile = false
+-- smaller updatetime
+vim.o.updatetime = 300
+-- 设置 timeoutlen 为等待键盘快捷键连击时间200毫秒，可根据需要设置
+-- 遇到问题详见：https://github.com/nshen/learn-neovim-lua/issues/1
+vim.o.timeoutlen = 200
+-- split window 从下边和右边出现
+vim.o.splitbelow = true
+vim.o.splitright = true
+-- 自动补全不自动选中
+vim.g.completeopt = "menu,menuone,noselect,noinsert"
+-- 样式
+vim.o.background = "dark"
+vim.o.termguicolors = true
+vim.opt.termguicolors = true
+-- 不可见字符的显示，这里只把空格显示为一个点
+vim.o.list = true
+vim.o.listchars = "space:·"
+-- 补全增强
+vim.o.wildmenu = true
+-- Dont' pass messages to |ins-completin menu|
+vim.o.shortmess = vim.o.shortmess .. 'c'
+vim.o.pumheight = 10
+-- always show tabline
+vim.o.showtabline = 2
diff --git a/lua/keybindings.lua b/lua/keybindings.lua
new file mode 100644
index 0000000..d3321b2
--- /dev/null
+++ b/lua/keybindings.lua
@@ -0,0 +1,57 @@
+vim.g.mapleader = " "
+vim.g.maplocalleader = " "
+
+local map = vim.api.nvim_set_keymap
+local opt = {noremap = true, silent = true }
+
+map("n", "<C-u>", "9k", opt)
+map("n", "<C-d>", "9j", opt)
+
+-- map('v', '<', '<gv', opt)
+-- map('v', '>', '>gv', opt)
+
+
+map("n", "sv", ":vsp<CR>", opt)
+map("n", "sh", ":sp<CR>", opt)
+map("n", "sc", "<C-w>c", opt)
+map("n", "so", "<C-w>o", opt) -- close others
+
+map("n", "<A-h>", "<C-w>h", opt)
+map("n", "<A-j>", "<C-w>j", opt)
+map("n", "<A-k>", "<C-w>k", opt)
+map("n", "<A-l>", "<C-w>l", opt)
+
+
+-- nvimTree
+map('n', 'ct', ':NvimTreeToggle<CR>', opt)
+
+
+local pluginKeys = {}
+
+-- lsp 回调函数快捷键设置
+pluginKeys.maplsp = function(mapbuf)
+  -- rename
+  mapbuf('n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opt)
+  -- code action
+  mapbuf('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opt)
+  -- go xx
+  mapbuf('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opt)
+  mapbuf('n', 'gh', '<cmd>lua vim.lsp.buf.hover()<CR>', opt)
+  mapbuf('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opt)
+  mapbuf('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opt)
+  mapbuf('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opt)
+  -- diagnostic
+  mapbuf('n', 'go', '<cmd>lua vim.diagnostic.open_float()<CR>', opt)
+  mapbuf('n', 'gp', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opt)
+  mapbuf('n', 'gn', '<cmd>lua vim.diagnostic.goto_next()<CR>', opt)
+  -- mapbuf('n', '<leader>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', opt)
+  -- leader + =
+  mapbuf('n', '<leader>=', '<cmd>lua vim.lsp.buf.formatting()<CR>', opt)
+  -- mapbuf('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opt)
+  -- mapbuf('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opt)
+  -- mapbuf('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opt)
+  -- mapbuf('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opt)
+  -- mapbuf('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opt)
+end
+
+return pluginKeys
diff --git a/lua/lsp/clangd.lua b/lua/lsp/clangd.lua
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/lua/lsp/clangd.lua
@@ -0,0 +1 @@
+
diff --git a/lua/lsp/lua.lua b/lua/lsp/lua.lua
new file mode 100644
index 0000000..e69de29
diff --git a/lua/lsp/setup.lua b/lua/lsp/setup.lua
new file mode 100644
index 0000000..c2ca1ad
--- /dev/null
+++ b/lua/lsp/setup.lua
@@ -0,0 +1,38 @@
+local lsp_installer = require "nvim-lsp-installer"
+
+-- 安装列表
+-- https://github.com/williamboman/nvim-lsp-installer#available-lsps
+-- { key: 语言 value: 配置文件 }
+local servers = {
+  sumneko_lua = require "lsp.lua", -- /lua/lsp/lua.lua
+  clangd = require "lsp.lua" -- /lua/lsp/clangd.lua
+}
+
+-- 自动安装 LanguageServers
+for name, _ in pairs(servers) do
+  local server_is_found, server = lsp_installer.get_server(name)
+  if server_is_found then
+    if not server:is_installed() then
+      print("Installing " .. name)
+      server:install()
+    end
+  end
+end
+
+
+lsp_installer.on_server_ready(function(server)
+  local opts = servers[server.name]
+  if opts then
+    opts.on_attach = function(_, bufnr)
+      local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+      -- local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+      -- 绑定快捷键
+      require('keybindings').maplsp(buf_set_keymap)
+    end
+    opts.flags = {
+      debounce_text_changes = 150,
+    }
+    server:setup(opts)
+  end
+end)
+
diff --git a/lua/plugin-config/nvim-tree.lua b/lua/plugin-config/nvim-tree.lua
new file mode 100644
index 0000000..f6a01cc
--- /dev/null
+++ b/lua/plugin-config/nvim-tree.lua
@@ -0,0 +1,7 @@
+require'nvim-tree'.setup {
+    -- 不显示 git 状态图标
+    git = {
+        enable = false
+    }
+}
+
diff --git a/lua/plugin-config/nvim-treesitter.lua b/lua/plugin-config/nvim-treesitter.lua
new file mode 100644
index 0000000..edd9ad4
--- /dev/null
+++ b/lua/plugin-config/nvim-treesitter.lua
@@ -0,0 +1,30 @@
+require'nvim-treesitter.configs'.setup {
+  -- 安装 language parser
+  -- :TSInstallInfo 命令查看支持的语言
+  ensure_installed = {"html", "css", "lua", "javascript", "typescript", "tsx", "cpp", "c"},
+  -- 启用代码高亮功能
+  highlight = {
+    enable = true,
+    additional_vim_regex_highlighting = false
+  },
+  -- 启用增量选择
+  incremental_selection = {
+    enable = true,
+    keymaps = {
+      init_selection = '<CR>',
+      node_incremental = '<CR>',
+      node_decremental = '<BS>',
+      scope_incremental = '<TAB>',
+    }
+  },
+  -- 启用基于Treesitter的代码格式化(=) . NOTE: This is an experimental feature.
+  indent = {
+    enable = true
+  }
+}
+-- 开启 Folding
+vim.wo.foldmethod = 'expr'
+vim.wo.foldexpr = 'nvim_treesitter#foldexpr()'
+-- 默认不要折叠
+-- https://stackoverflow.com/questions/8316139/how-to-set-the-default-to-unfolded-when-you-open-a-file
+vim.wo.foldlevel = 99
diff --git a/lua/plugins.lua b/lua/plugins.lua
new file mode 100644
index 0000000..151b80d
--- /dev/null
+++ b/lua/plugins.lua
@@ -0,0 +1,32 @@
+return require('packer').startup(function()
+    -- Packer can manage itself
+    use 'wbthomason/packer.nvim'
+    -- gruvbox theme
+    use {
+        "ellisonleao/gruvbox.nvim",
+        requires = {"rktjmp/lush.nvim"}
+    }
+    use 'shaunsingh/nord.nvim'
+    use 'glepnir/zephyr-nvim'
+    -- nvim-tree (新增)
+    use {
+        'kyazdani42/nvim-tree.lua',
+        requires = 'kyazdani42/nvim-web-devicons'
+    }
+    -- treesitter
+    use { 'nvim-treesitter/nvim-treesitter', run = ':TSUpdate' }
+    -- lspconfig
+    use {'neovim/nvim-lspconfig', 'williamboman/nvim-lsp-installer'}
+    -- nvim-cmp
+    use 'hrsh7th/cmp-nvim-lsp' -- { name = nvim_lsp }
+    use 'hrsh7th/cmp-buffer'   -- { name = 'buffer' },
+    use 'hrsh7th/cmp-path'     -- { name = 'path' }
+    use 'hrsh7th/cmp-cmdline'  -- { name = 'cmdline' }
+    use 'hrsh7th/nvim-cmp'
+    -- vsnip
+    use 'hrsh7th/cmp-vsnip'    -- { name = 'vsnip' }
+    use 'hrsh7th/vim-vsnip'
+    use 'rafamadriz/friendly-snippets'
+    -- lspkind
+    use 'onsails/lspkind-nvim'
+end)
diff --git a/plugin/packer_compiled.lua b/plugin/packer_compiled.lua
new file mode 100644
index 0000000..56c3250
--- /dev/null
+++ b/plugin/packer_compiled.lua
@@ -0,0 +1,189 @@
+-- Automatically generated packer.nvim plugin loader code
+
+if vim.api.nvim_call_function('has', {'nvim-0.5'}) ~= 1 then
+  vim.api.nvim_command('echohl WarningMsg | echom "Invalid Neovim version for packer.nvim! | echohl None"')
+  return
+end
+
+vim.api.nvim_command('packadd packer.nvim')
+
+local no_errors, error_msg = pcall(function()
+
+_G._packer = _G._packer or {}
+_G._packer.inside_compile = true
+
+local time
+local profile_info
+local should_profile = false
+if should_profile then
+  local hrtime = vim.loop.hrtime
+  profile_info = {}
+  time = function(chunk, start)
+    if start then
+      profile_info[chunk] = hrtime()
+    else
+      profile_info[chunk] = (hrtime() - profile_info[chunk]) / 1e6
+    end
+  end
+else
+  time = function(chunk, start) end
+end
+
+local function save_profiles(threshold)
+  local sorted_times = {}
+  for chunk_name, time_taken in pairs(profile_info) do
+    sorted_times[#sorted_times + 1] = {chunk_name, time_taken}
+  end
+  table.sort(sorted_times, function(a, b) return a[2] > b[2] end)
+  local results = {}
+  for i, elem in ipairs(sorted_times) do
+    if not threshold or threshold and elem[2] > threshold then
+      results[i] = elem[1] .. ' took ' .. elem[2] .. 'ms'
+    end
+  end
+  if threshold then
+    table.insert(results, '(Only showing plugins that took longer than ' .. threshold .. ' ms ' .. 'to load)')
+  end
+
+  _G._packer.profile_output = results
+end
+
+time([[Luarocks path setup]], true)
+local package_path_str = "/Users/yuhangq/.cache/nvim/packer_hererocks/2.1.0-beta3/share/lua/5.1/?.lua;/Users/yuhangq/.cache/nvim/packer_hererocks/2.1.0-beta3/share/lua/5.1/?/init.lua;/Users/yuhangq/.cache/nvim/packer_hererocks/2.1.0-beta3/lib/luarocks/rocks-5.1/?.lua;/Users/yuhangq/.cache/nvim/packer_hererocks/2.1.0-beta3/lib/luarocks/rocks-5.1/?/init.lua"
+local install_cpath_pattern = "/Users/yuhangq/.cache/nvim/packer_hererocks/2.1.0-beta3/lib/lua/5.1/?.so"
+if not string.find(package.path, package_path_str, 1, true) then
+  package.path = package.path .. ';' .. package_path_str
+end
+
+if not string.find(package.cpath, install_cpath_pattern, 1, true) then
+  package.cpath = package.cpath .. ';' .. install_cpath_pattern
+end
+
+time([[Luarocks path setup]], false)
+time([[try_loadstring definition]], true)
+local function try_loadstring(s, component, name)
+  local success, result = pcall(loadstring(s), name, _G.packer_plugins[name])
+  if not success then
+    vim.schedule(function()
+      vim.api.nvim_notify('packer.nvim: Error running ' .. component .. ' for ' .. name .. ': ' .. result, vim.log.levels.ERROR, {})
+    end)
+  end
+  return result
+end
+
+time([[try_loadstring definition]], false)
+time([[Defining packer_plugins]], true)
+_G.packer_plugins = {
+  ["cmp-buffer"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/cmp-buffer",
+    url = "https://github.com/hrsh7th/cmp-buffer"
+  },
+  ["cmp-cmdline"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/cmp-cmdline",
+    url = "https://github.com/hrsh7th/cmp-cmdline"
+  },
+  ["cmp-nvim-lsp"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/cmp-nvim-lsp",
+    url = "https://github.com/hrsh7th/cmp-nvim-lsp"
+  },
+  ["cmp-path"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/cmp-path",
+    url = "https://github.com/hrsh7th/cmp-path"
+  },
+  ["cmp-vsnip"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/cmp-vsnip",
+    url = "https://github.com/hrsh7th/cmp-vsnip"
+  },
+  ["friendly-snippets"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/friendly-snippets",
+    url = "https://github.com/rafamadriz/friendly-snippets"
+  },
+  ["gruvbox.nvim"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/gruvbox.nvim",
+    url = "https://github.com/ellisonleao/gruvbox.nvim"
+  },
+  ["lspkind-nvim"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/lspkind-nvim",
+    url = "https://github.com/onsails/lspkind-nvim"
+  },
+  ["lush.nvim"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/lush.nvim",
+    url = "https://github.com/rktjmp/lush.nvim"
+  },
+  ["nord.nvim"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/nord.nvim",
+    url = "https://github.com/shaunsingh/nord.nvim"
+  },
+  ["nvim-cmp"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/nvim-cmp",
+    url = "https://github.com/hrsh7th/nvim-cmp"
+  },
+  ["nvim-lsp-installer"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/nvim-lsp-installer",
+    url = "https://github.com/williamboman/nvim-lsp-installer"
+  },
+  ["nvim-lspconfig"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/nvim-lspconfig",
+    url = "https://github.com/neovim/nvim-lspconfig"
+  },
+  ["nvim-tree.lua"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/nvim-tree.lua",
+    url = "https://github.com/kyazdani42/nvim-tree.lua"
+  },
+  ["nvim-treesitter"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/nvim-treesitter",
+    url = "https://github.com/nvim-treesitter/nvim-treesitter"
+  },
+  ["nvim-web-devicons"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/nvim-web-devicons",
+    url = "https://github.com/kyazdani42/nvim-web-devicons"
+  },
+  ["packer.nvim"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/packer.nvim",
+    url = "https://github.com/wbthomason/packer.nvim"
+  },
+  ["vim-vsnip"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/vim-vsnip",
+    url = "https://github.com/hrsh7th/vim-vsnip"
+  },
+  ["zephyr-nvim"] = {
+    loaded = true,
+    path = "/Users/yuhangq/.local/share/nvim/site/pack/packer/start/zephyr-nvim",
+    url = "https://github.com/glepnir/zephyr-nvim"
+  }
+}
+
+time([[Defining packer_plugins]], false)
+
+_G._packer.inside_compile = false
+if _G._packer.needs_bufread == true then
+  vim.cmd("doautocmd BufRead")
+end
+_G._packer.needs_bufread = false
+
+if should_profile then save_profiles() end
+
+end)
+
+if not no_errors then
+  error_msg = error_msg:gsub('"', '\\"')
+  vim.api.nvim_command('echohl ErrorMsg | echom "Error in packer_compiled: '..error_msg..'" | echom "Please check your config for correctness" | echohl None')
+end
diff --git a/test.cpp b/test.cpp
new file mode 100644
index 0000000..1cc9a08
--- /dev/null
+++ b/test.cpp
@@ -0,0 +1,8 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main() {
+  printf("Hello World!");
+  for(int i=0; i<=10; i++) {
+    :
+  }
+}