diff --git a/nvim/lua/lsp-config.lua b/nvim/lua/lsp-config.lua
index e10dcd3..cddaa2a 100644
--- a/nvim/lua/lsp-config.lua
+++ b/nvim/lua/lsp-config.lua
@@ -1,5 +1,5 @@
 require("mason").setup()
-local servers = { "solargraph", "gopls", "lua_ls" }
+local servers = { "gopls", "lua_ls" }
 
 require("mason-lspconfig").setup({
   ensure_installed = servers
diff --git a/nvim/lua/plug-config/formatter.lua b/nvim/lua/plug-config/formatter.lua
new file mode 100644
index 0000000..e134847
--- /dev/null
+++ b/nvim/lua/plug-config/formatter.lua
@@ -0,0 +1,12 @@
+require("conform").setup({
+  formatters_by_ft = {
+    ruby = { "standardrb" }
+  },
+})
+
+vim.api.nvim_create_autocmd("BufWritePre", {
+  pattern = "*",
+  callback = function(args)
+    require("conform").format({ bufnr = args.buf })
+  end,
+})
diff --git a/nvim/lua/plug-config/init.lua b/nvim/lua/plug-config/init.lua
index 49baec5..a9afebe 100644
--- a/nvim/lua/plug-config/init.lua
+++ b/nvim/lua/plug-config/init.lua
@@ -4,3 +4,5 @@ require "plug-config/which-key-mappings"
 require "plug-config/winshift"
 require "plug-config/copilot"
 require "plug-config/coq_thirdparty"
+require "plug-config/lint"
+require "plug-config/formatter"
diff --git a/nvim/lua/plug-config/lint.lua b/nvim/lua/plug-config/lint.lua
new file mode 100644
index 0000000..1d694d9
--- /dev/null
+++ b/nvim/lua/plug-config/lint.lua
@@ -0,0 +1,10 @@
+require('lint').linters_by_ft = {
+  markdown = {'vale',},
+  ruby = {'standardrb'}
+}
+
+vim.api.nvim_create_autocmd({ "BufWritePost" }, {
+  callback = function()
+    require("lint").try_lint()
+  end,
+})
diff --git a/nvim/plug-config/ale.vim b/nvim/plug-config/ale.vim
index e1090e6..146e024 100644
--- a/nvim/plug-config/ale.vim
+++ b/nvim/plug-config/ale.vim
@@ -1,5 +1,5 @@
-let g:ale_linters = {'ruby': ['standardrb']}
-let g:ale_fixers = {'*': ['remove_trailing_lines', 'trim_whitespace'], 'ruby': ['standardrb'], 'go': ['gofmt']}
-"
-" Set this. Airline will handle the rest.
-let g:airline#extensions#ale#enabled = 1
+"let g:ale_linters = {'ruby': ['standardrb']}
+"let g:ale_fixers = {'*': ['remove_trailing_lines', 'trim_whitespace'], 'ruby': ['standardrb'], 'go': ['gofmt']}
+""
+"" Set this. Airline will handle the rest.
+"let g:airline#extensions#ale#enabled = 1
diff --git a/nvim/vim-plug/plugins.vim b/nvim/vim-plug/plugins.vim
index 66893a4..405b8fb 100644
--- a/nvim/vim-plug/plugins.vim
+++ b/nvim/vim-plug/plugins.vim
@@ -110,11 +110,13 @@ call plug#begin('~/.config/nvim/autoload/plugged')
     Plug 'github/copilot.vim'
     " Plug 'zbirenbaum/copilot.lua' 
 
-    """""""""""""""" Ruby/rails related plugins """"""""""""""""""
+    " Lint
+    Plug 'mfussenegger/nvim-lint'
 
-    " ale for ruby & standardrb
-    Plug 'dense-analysis/ale'
+    " Formatter
+    Plug 'stevearc/conform.nvim'
 
+    """""""""""""""" Ruby/rails related plugins """"""""""""""""""
 
     """""""""""""""" PHP-related plugins """"""""""""""""