diff --git a/.gitmodules b/.gitmodules
index 98d519b..a1b492a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "bundle/vim-table-mode"]
 	path = bundle/vim-table-mode
 	url = https://github.com/dhruvasagar/vim-table-mode.git
+[submodule "opt/lua-language-server"]
+	path = opt/lua-language-server
+	url = https://github.com/LuaLS/lua-language-server.git
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c91b637
--- /dev/null
+++ b/README.md
@@ -0,0 +1,5 @@
+# NVIM Configuration
+
+## Lua
+
+<https://github.com/LuaLS/lua-language-server/releases/>
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..9c47c8d
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,15 @@
+#!/bin/bash -e
+
+(
+  cd opt/lua-language-server
+  git submodule update --init --recursive
+
+  (
+    cd 3rd/luamake
+    ./compile/build.sh
+  )
+
+  3rd/luamake/luamake rebuild
+)
+
+# EOF
diff --git a/lua/config/lsp/init.lua b/lua/config/lsp/init.lua
index 21e3ae8..18f607c 100644
--- a/lua/config/lsp/init.lua
+++ b/lua/config/lsp/init.lua
@@ -1,14 +1,12 @@
-if vim.fn.has('nvim-0.5.1') == 1 then
-  require('vim.lsp.log').set_format_func(vim.inspect)
-end
-
-vim.lsp.set_log_level("off")
+require('vim.lsp.log').set_format_func(vim.inspect)
+-- vim.lsp.set_log_level("debug")
 
 require("config.lsp.pyright")
 -- require("config.lsp.pylsp")
 -- require("config.lsp.typescript")
 require("config.lsp.clangd")
 require("config.lsp.vls")
+require("config.lsp.lua_ls")
 
 local api = vim.api
 local keymap = vim.keymap.set
diff --git a/lua/config/lsp/lua_ls.lua b/lua/config/lsp/lua_ls.lua
new file mode 100644
index 0000000..cc94125
--- /dev/null
+++ b/lua/config/lsp/lua_ls.lua
@@ -0,0 +1,38 @@
+local bin_name = "lua-language-server"
+local cmd = { bin_name, "--stdio", }
+
+local root_files = {
+  '.luarc.json',
+  '.luarc.jsonc',
+  '.luacheckrc',
+  '.stylua.toml',
+  'stylua.toml',
+  'selene.toml',
+  'selene.yml',
+  'lua/',
+  '.git',
+}
+
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "lua",
+  callback = function()
+    vim.lsp.start({
+      name = "lua_ls",
+      cmd = cmd,
+      root_dir = vim.fs.dirname(vim.fs.find(root_files, { upward = true })[1]),
+      settings = {
+        Lua = {
+          runtime = {
+            version = 'LuaJIT',
+          },
+          workspace = {
+            checkThirdParty = false,
+            library = {
+              vim.env.VIMRUNTIME,
+            },
+          },
+        }
+      },
+    })
+  end,
+})
diff --git a/lua/config/lsp/pyright.lua b/lua/config/lsp/pyright.lua
index 7df829a..fb24d92 100644
--- a/lua/config/lsp/pyright.lua
+++ b/lua/config/lsp/pyright.lua
@@ -1,10 +1,6 @@
 local bin_name = "pyright-langserver"
 local cmd = { bin_name, "--stdio", }
 
-if vim.fn.has("win32") == 1 then
-  cmd = { "cmd.exe", "/C", bin_name, "--stdio" }
-end
-
 local root_files = {
   "pyproject.toml",
   "setup.py",
diff --git a/opt/bin/lua-language-server b/opt/bin/lua-language-server
new file mode 120000
index 0000000..e6a9c9b
--- /dev/null
+++ b/opt/bin/lua-language-server
@@ -0,0 +1 @@
+../lua-language-server/bin/lua-language-server
\ No newline at end of file
diff --git a/opt/lua-language-server b/opt/lua-language-server
new file mode 160000
index 0000000..2dfb12a
--- /dev/null
+++ b/opt/lua-language-server
@@ -0,0 +1 @@
+Subproject commit 2dfb12ad3759acb7ff47b4c5c54ad0a62c598b22