diff --git a/lua/navigator.lua b/lua/navigator.lua
index 4064544..d89d115 100644
--- a/lua/navigator.lua
+++ b/lua/navigator.lua
@@ -4,10 +4,6 @@ local function warn(msg)
   vim.api.nvim_echo({{"WRN: " .. msg, "WarningMsg"}}, true, {})
 end
 
-local function error(msg)
-  vim.api.nvim_echo({{"ERR: " .. msg, "ErrorMsg"}}, true, {})
-end
-
 local function info(msg)
   vim.api.nvim_echo({{"Info: " .. msg}}, true, {})
 end
@@ -139,45 +135,51 @@ local extend_config = function(opts)
   end
   for key, value in pairs(opts) do
     if _NgConfigValues[key] == nil then
-      warn(string.format("[] Key %s not valid", key))
-      _NgConfigValues[key] = {}
+      warn(string.format("[] Deprecated? Key %s is not in default setup, it could be incorrect to set to %s", key,
+                         vim.inspect(value)))
+      _NgConfigValues[key] = value
       -- return
-    end
-    if type(_NgConfigValues[key]) == "table" then
-      for k, v in pairs(value) do
-        if type(k) == "number" then
-          -- replace all item in array
-          _NgConfigValues[key] = value
-          break
+    else
+      if type(_NgConfigValues[key]) == "table" then
+        if type(value) ~= "table" then
+          info(string.format("[] Reset type: Key %s setup value %s type %s , from %s", key, vim.inspect(value),
+                             type(value), vim.inspect(_NgConfigValues[key])))
         end
-        -- level 3
-        if type(_NgConfigValues[key][k]) == "table" then
-          if type(v) == "table" then
-            for k2, v2 in pairs(v) do
-              _NgConfigValues[key][k][k2] = v2
-            end
-          else
-            _NgConfigValues[key][k] = v
+        for k, v in pairs(value) do
+          if type(k) == "number" then
+            -- replace all item in array
+            _NgConfigValues[key] = value
+            break
           end
-        else
-          if _NgConfigValues[key][k] == nil then
-            if key == 'lsp' then
-              local lsp = require('navigator.lspclient.clients').lsp
-              if not vim.tbl_contains(lsp or {}, k) and k ~= 'efm' then
-                info(string.format("[] extend LSP support for  %s ", k))
+          -- level 3
+          if type(_NgConfigValues[key][k]) == "table" then
+            if type(v) == "table" then
+              for k2, v2 in pairs(v) do
+                _NgConfigValues[key][k][k2] = v2
               end
-            elseif key == 'keymaps' then
-              -- skip key check and allow mapping to handle that
             else
-              warn(string.format("[] Key %s %s not valid", key, k))
+              _NgConfigValues[key][k] = v
+            end
+          else
+            if _NgConfigValues[key][k] == nil then
+              if key == 'lsp' then
+                local lsp = require('navigator.lspclient.clients').lsp
+                if not vim.tbl_contains(lsp or {}, k) and k ~= 'efm' then
+                  info(string.format("[] extend LSP support for  %s ", k))
+                end
+              elseif key == 'keymaps' then
+                -- skip key check and allow mapping to handle that
+              else
+                warn(string.format("[] Key %s %s not valid", key, k))
+              end
+              -- return
             end
-            -- return
+            _NgConfigValues[key][k] = v
           end
-          _NgConfigValues[key][k] = v
         end
+      else
+        _NgConfigValues[key] = value
       end
-    else
-      _NgConfigValues[key] = value
     end
   end
   if _NgConfigValues.sumneko_root_path or _NgConfigValues.sumneko_binary then
diff --git a/tests/reference_spec.lua b/tests/reference_spec.lua
index 9773a93..2386c65 100644
--- a/tests/reference_spec.lua
+++ b/tests/reference_spec.lua
@@ -55,7 +55,7 @@ describe("should run lsp reference", function()
     -- require'lspconfig'.gopls.setup {}
     require'navigator'.setup({
       debug = true, -- log output, set to true and log path: ~/.local/share/nvim/gh.log
-      code_action_icon = "A ",
+      icons = {code_action_icon = "A "},
       width = 0.75, -- max width ratio (number of cols for the floating window) / (window width)
       height = 0.3, -- max list window height, 0.3 by default
       preview_height = 0.35, -- max height of preview windows
@@ -97,7 +97,7 @@ describe("should run lsp reference", function()
     vim.bo.filetype = "go"
     require'navigator'.setup({
       debug = true, -- log output, set to true and log path: ~/.local/share/nvim/gh.log
-      code_action_icon = "A ",
+      icons = {code_action_icon = "A "},
       width = 0.75, -- max width ratio (number of cols for the floating window) / (window width)
       height = 0.3, -- max list window height, 0.3 by default
       preview_height = 0.35, -- max height of preview windows
@@ -133,9 +133,7 @@ describe("should run lsp reference", function()
       }, {})
 
     else
-      win, items, width = require('navigator.reference').reference_handler(nil,
-                                                                           "textDocument/references",
-                                                                           result, 1, 1)
+      win, items, width = require('navigator.reference').reference_handler(nil, "textDocument/references", result, 1, 1)
 
     end
 
@@ -165,7 +163,7 @@ describe("should run lsp reference", function()
     vim.bo.filetype = "go"
     require'navigator'.setup({
       debug = true, -- log output, set to true and log path: ~/.local/share/nvim/gh.log
-      code_action_icon = "A ",
+      icons = {code_action_icon = "A "},
       width = 0.75, -- max width ratio (number of cols for the floating window) / (window width)
       height = 0.3, -- max list window height, 0.3 by default
       preview_height = 0.35, -- max height of preview windows
@@ -201,9 +199,7 @@ describe("should run lsp reference", function()
       }, {truncate = 2})
 
     else
-      win, items, width = require('navigator.reference').reference_handler(nil,
-                                                                           "textDocument/references",
-                                                                           result, 1, 1)
+      win, items, width = require('navigator.reference').reference_handler(nil, "textDocument/references", result, 1, 1)
 
     end