diff --git a/README.md b/README.md
index 79dfadd..ec2e682 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,8 @@ Use <c-e> or `:q!` to kill the floating window, <up/down> to move and <c-o> to o
 ### Diagnostic
 
 ![diagnostic](https://github.com/ray-x/files/blob/master/img/navigator/diag.jpg?raw=true)
+Show diagnostic in files
+![diagnostic multi files](https://github.com/ray-x/files/blob/master/img/navigator/diagnostic_multiplefiles.jpg?raw=true)
 
 ### Implementation
 
diff --git a/lua/navigator/diagnostics.lua b/lua/navigator/diagnostics.lua
index 046fc73..a9685fc 100644
--- a/lua/navigator/diagnostics.lua
+++ b/lua/navigator/diagnostics.lua
@@ -1,12 +1,17 @@
 local gui = require "navigator.gui"
 local diagnostic_list = {}
-local log = require "navigator.util".log
+
+local util = require "navigator.util"
+local log = util.log
+
 diagnostic_list[vim.bo.filetype] = {}
 
 local diag_hdlr = function(err, method, result, client_id, br, config)
   -- log(result)
   vim.lsp.diagnostic.on_publish_diagnostics(err, method, result, client_id, br, config)
-  if err ~= nil then log(err, config) end
+  if err ~= nil then
+    log(err, config)
+  end
   local cwd = vim.fn.getcwd(0)
   local ft = vim.bo.filetype
   if diagnostic_list[ft] == nil then
@@ -53,7 +58,7 @@ M.diagnostic_handler =
     -- Enable virtual text, override spacing to 0
     virtual_text = {
       spacing = 0,
-      prefix = "👨" --' ,   
+      prefix = "🦊" --' ,   
     },
     -- Use a function to dynamically turn signs off
     -- and on, using buffer local variables
@@ -63,6 +68,17 @@ M.diagnostic_handler =
   }
 )
 M.show_diagnostic = function()
+  vim.lsp.diagnostic.get_all()
+
+  local bufs = vim.api.nvim_list_bufs()
+  for _, buf in ipairs(bufs) do
+    local bname = vim.fn.bufname(buf)
+    if #bname > 0 and not util.exclude(bname) then
+      if vim.api.nvim_buf_is_loaded(buf) then
+        vim.lsp.diagnostic.get(buf, nil)
+      end
+    end
+  end
   if diagnostic_list[vim.bo.filetype] ~= nil then
     log(diagnostic_list[vim.bo.filetype])
     -- vim.fn.setqflist({}, " ", {title = "LSP", items = diagnostic_list[vim.bo.filetype]})
@@ -73,11 +89,12 @@ M.show_diagnostic = function()
         table.insert(display_items, it)
       end
     end
-    log(display_items)
+    -- log(display_items)
     if #display_items > 0 then
-      gui.new_list_view({items = display_items, api = '🚑 Diagnostic'})
+      gui.new_list_view({items = display_items, api = "🚑 Diagnostic"})
     end
   end
 end
 
+
 return M
diff --git a/lua/navigator/treesitter.lua b/lua/navigator/treesitter.lua
index 8ee56a6..6d83149 100644
--- a/lua/navigator/treesitter.lua
+++ b/lua/navigator/treesitter.lua
@@ -3,6 +3,7 @@ local ts_locals = require "nvim-treesitter.locals"
 local parsers = require "nvim-treesitter.parsers"
 local ts_utils = require "nvim-treesitter.ts_utils"
 local api = vim.api
+local util = require'navigator.util'
 local M = {}
 
 local cwd = vim.fn.getcwd(0)
@@ -99,15 +100,6 @@ function M.buf_ts()
   local all_nodes = get_all_nodes()
   gui.new_list_view({items = all_nodes, prompt = true, rawdata = true, api = "🎄"})
 end
-local exclude_ft = {"scroll", "help", "NvimTree"}
-local function exclude(fname)
-  for i = 1, #exclude_ft do
-    if string.find(fname, exclude_ft[i]) then
-      return true
-    end
-  end
-  return false
-end
 
 function M.bufs_ts()
   if ts_locals == nil then
@@ -118,7 +110,7 @@ function M.bufs_ts()
   local ts_opened = {}
   for _, buf in ipairs(bufs) do
     local bname = vim.fn.bufname(buf)
-    if #bname > 0 and not exclude(bname) then
+    if #bname > 0 and not util.exclude(bname) then
       if vim.api.nvim_buf_is_loaded(buf) then
         local all_nodes = get_all_nodes(buf)
         if all_nodes ~= nil then
diff --git a/lua/navigator/util.lua b/lua/navigator/util.lua
index 5e6648b..79eaf7b 100644
--- a/lua/navigator/util.lua
+++ b/lua/navigator/util.lua
@@ -230,4 +230,15 @@ function M.partial(func, arg)
   end)
 end
 
+local exclude_ft = {"scrollbar", "help", "NvimTree"}
+function M.exclude(fname)
+  for i = 1, #exclude_ft do
+    if string.find(fname, exclude_ft[i]) then
+      return true
+    end
+  end
+  return false
+end
+
+
 return M