diff --git a/lua/core/config.lua b/lua/core/config.lua
index 1c50f9d..2b46f1c 100644
--- a/lua/core/config.lua
+++ b/lua/core/config.lua
@@ -34,6 +34,8 @@ config = {
 	null_ls_sources = opt("null_ls_sources", {}),
 	whichkey = opt("whichkey", {}),
 	coderunner = opt("coderunner", {}),
+	null_ls_ensure_installed = opt("null_ls_ensure_installed", {}),
+	dap_ensure_installed = opt("dap_ensure_installed", {}),
 }
 
 return config
diff --git a/lua/custom/dashboard.lua b/lua/custom/dashboard.lua
index d57e52d..4a4c033 100644
--- a/lua/custom/dashboard.lua
+++ b/lua/custom/dashboard.lua
@@ -22,4 +22,4 @@
 
 -- 1 startify model
 -- 2 dashboard model
-vim.g.pcode_model = 2 -- isi dengan 1 atau 2 untuk model dashboard
+vim.g.pcode_model = 1 -- isi dengan 1 atau 2 untuk model dashboard
diff --git a/lua/custom/default.lua b/lua/custom/default.lua
index 191bab8..793d623 100644
--- a/lua/custom/default.lua
+++ b/lua/custom/default.lua
@@ -93,6 +93,9 @@ vim.g.pcode_unregister_lsp = {
 }
 
 -- https://github.com/jose-elias-alvarez/null-ls.nvim/blob/main/doc/BUILTINS.md
+vim.g.pcode_null_ls_ensure_installed = {
+	"stylua",
+}
 local formatting = {}
 local diagnostics = {}
 vim.g.pcode_null_ls_sources = {
@@ -100,6 +103,12 @@ vim.g.pcode_null_ls_sources = {
 	diagnostics.flake8, -- tambahkan di bawah sini
 }
 
+-- dap instal hanya support linux dan mac
+-- https://github.com/jay-babu/mason-nvim-dap.nvim/blob/main/lua/mason-nvim-dap/mappings/source.lua
+vim.g.pcode_dap_ensure_installed = {
+	-- "python",
+}
+
 -- https://github.com/folke/which-key.nvim
 vim.g.pcode_whichkey = {
 	-- contoh penambahan
diff --git a/lua/user/lsp/null-ls.lua b/lua/user/lsp/null-ls.lua
index 61298ba..cc27bf4 100644
--- a/lua/user/lsp/null-ls.lua
+++ b/lua/user/lsp/null-ls.lua
@@ -11,12 +11,24 @@ local diagnostics = null_ls.builtins.diagnostics
 local augroup = vim.api.nvim_create_augroup("LspFormatting", {})
 
 local sources = {}
+local ensure_installed = {}
 
 local data_exists, data = pcall(require, "core.config")
 if data_exists then
 	for _, cfg in pairs(data.null_ls_sources) do
-		table.insert(sources, cfg)
+		sources = vim.tbl_deep_extend("force", cfg, sources)
 	end
+	-- load data null-ls
+	for _, nullls in pairs(data.null_ls_ensure_installed) do
+		table.insert(ensure_installed, nullls)
+	end
+end
+
+local mason_ok, mason_null_ls = pcall(require, "mason-null-ls")
+if mason_ok then
+	mason_null_ls.setup({
+		ensure_installed = ensure_installed,
+	})
 end
 
 local run = 0
@@ -31,6 +43,7 @@ end
 if run == 1 then
 	null_ls.setup({
 		debug = false,
+		ensure_installed = ensure_installed,
 		sources = sources,
 		--sources = {
 		--formatting.prettier.with({ extra_args = { "--no-semi", "--single-quote", "--jsx-single-quote" } }),
@@ -66,6 +79,7 @@ if run == 1 then
 else
 	null_ls.setup({
 		debug = false,
+		ensure_installed = ensure_installed,
 		sources = sources,
 	})
 end
diff --git a/lua/user/mason_dap.lua b/lua/user/mason_dap.lua
index d02d344..b8d196c 100644
--- a/lua/user/mason_dap.lua
+++ b/lua/user/mason_dap.lua
@@ -1,5 +1,13 @@
+local sources = {}
+local data_exists, data = pcall(require, "core.config")
+if data_exists then
+	for _, nullls in pairs(data.dap_ensure_installed) do
+		table.insert(sources, nullls)
+	end
+end
 require("mason").setup()
 require("mason-nvim-dap").setup({
+	ensure_installed = sources,
 	automatic_setup = true,
 })
 require("mason-nvim-dap").setup_handlers({})