diff --git a/README.md b/README.md
index fb092fa..cae5ab3 100644
--- a/README.md
+++ b/README.md
@@ -618,8 +618,8 @@ require'navigator'.setup({
 
 require('rust-tools').setup({
   server = {
-    on_attach = function(_, _)
-      require('navigator.lspclient.mapping').setup() -- setup navigator keymaps here,
+    on_attach = function(client, bufnr)
+      require('navigator.lspclient.mapping').setup({client=client, bufnr=bufnr}) -- setup navigator keymaps here,
       -- otherwise, you can define your own commands to call navigator functions
     end,
   }
@@ -627,8 +627,8 @@ require('rust-tools').setup({
 
 require("clangd_extensions").setup {
   server = {
-    on_attach = function(_, _)
-      require('navigator.lspclient.mapping').setup() -- setup navigator keymaps here,
+    on_attach = function(client, bufnr)
+      require('navigator.lspclient.mapping').setup({client=client, bufnr=bufnr}) -- setup navigator keymaps here,
       -- otherwise, you can define your own commands to call navigator functions
     end,
   }
diff --git a/lua/navigator/lspclient/mapping.lua b/lua/navigator/lspclient/mapping.lua
index 51240cd..482f62f 100644
--- a/lua/navigator/lspclient/mapping.lua
+++ b/lua/navigator/lspclient/mapping.lua
@@ -1,7 +1,6 @@
 local util = require('navigator.util')
 local log = util.log
 local trace = util.trace
-
 local event_hdlrs = {
   { ev = 'BufWritePre', func = [[require "navigator.diagnostics".set_diag_loclist()]] },
   { ev = 'CursorHold', func = 'document_highlight()' },
@@ -122,12 +121,17 @@ local function set_cmds(_)
   end
 end
 
-local function set_mapping(lsp_info)
+-- should works for both 1)attach from known lsp client or from a disabled lsp client
+local function set_mapping(lsp_attach_info)
   local opts = { noremap = true, silent = true }
-  lsp_info = lsp_info or {}
-  log('setup mapping', lsp_info.client.name, lsp_info.client.cmd)
+  vim.validate({
+    lsp_attach_info = { lsp_attach_info, 'table' },
+  })
+  if _NgConfigValues.debug then
+    log('setup mapping for client', lsp_attach_info.client.name, lsp_attach_info.client.cmd)
+  end
   local user_key = _NgConfigValues.keymaps or {}
-  local bufnr = lsp_info.bufnr or 0
+  local bufnr = lsp_attach_info.bufnr or 0
 
   local function del_keymap(...)
     vim.api.nvim_buf_del_keymap(bufnr, ...)
@@ -139,7 +143,7 @@ local function set_mapping(lsp_info)
   -- local function buf_set_option(...)
   --   vim.api.nvim_buf_set_option(bufnr, ...)
   -- end
-  local doc_fmt, range_fmt, ccls = check_cap(lsp_info)
+  local doc_fmt, range_fmt, ccls = check_cap(lsp_attach_info)
 
   if ccls then
     vim.list_extend(key_maps, ccls_mappings)
@@ -203,8 +207,8 @@ local function set_mapping(lsp_info)
     del_keymap('n', fmtkey)
   end
 
-  if lsp_info.cap and lsp_info.cap.document_range_formatting then
-    log('formatting enabled', lsp_info.cap)
+  if lsp_attach_info.cap and lsp_attach_info.cap.document_range_formatting then
+    log('formatting enabled', lsp_attach_info.cap)
   end
 
   if not range_fmt and rfmtkey then
@@ -271,15 +275,21 @@ M.toggle_lspformat = function(on)
   end
 end
 
-function M.setup(user_opts)
-  user_opts = user_opts or _NgConfigValues
-  set_mapping(user_opts)
-  set_cmds(user_opts)
+function M.setup(attach_opts)
+  if not attach_opts or not attach_opts.client then
+    vim.notify(
+      'please call require"navigator.mapping".setup({bufnr=bufnr, client=client}) inside on_attach(client,bufnr)',
+      vim.lsp.log_levels.WARN
+    )
+  end
+  attach_opts = attach_opts or { bufnr = 0, client = {}, cap = {} }
+  set_mapping(attach_opts)
+  set_cmds(attach_opts)
 
   autocmd()
-  set_event_handler(user_opts)
+  set_event_handler(attach_opts)
 
-  local client = user_opts.client or {}
+  local client = attach_opts.client or {}
   local cap = client.server_capabilities or vim.lsp.protocol.make_client_capabilities()
 
   log('lsp cap:', cap.codeActionProvider)
diff --git a/playground/init.lua b/playground/init.lua
index 0785b5b..e73ce97 100644
--- a/playground/init.lua
+++ b/playground/init.lua
@@ -42,7 +42,7 @@ local function load_plugins()
       use({ 'ray-x/aurora' })
       use({
         'ray-x/navigator.lua',
-        -- '~/github/navigator.lua',
+        -- '~/github/ray-x/navigator.lua',
         requires = { 'ray-x/guihua.lua', run = 'cd lua/fzy && make' },
         config = function()
           require('navigator').setup({