diff --git a/hurl.txt b/hurl.txt
index 03ba533..d3b6634 100644
--- a/hurl.txt
+++ b/hurl.txt
@@ -1,27 +1,30 @@
 nvim
+jobstart
 quickfix
+setqflist
+copen
+fargs
+nargs
 autocmd
-systemlist
 bufnr
 winid
+foldmethod
 vlog
 vararg
 getpos
-tempname
+fnamemodify
+bufname
+getpid
+stdpath
+systemlist
 tjdevries
 neovim
 echohl
 outfile
-stdpath
 nameupper
 lineinfo
 currentline
 echom
-jobstart
-setqflist
-copen
-fargs
-nargs
 Neovim
 jellydn
 Munif
@@ -32,5 +35,4 @@ buymeacoffee
 docstrings
 sweepai
 pygithub
-sandboxed
-foldmethod
+sandboxed
\ No newline at end of file
diff --git a/lua/hurl/main.lua b/lua/hurl/main.lua
index 42c0051..870cf90 100644
--- a/lua/hurl/main.lua
+++ b/lua/hurl/main.lua
@@ -69,10 +69,12 @@ local function request(opts, callback)
       util.log_info('exit at ' .. i .. ' , code ' .. code)
       if code ~= 0 then
         -- Send error code and response to quickfix and open it
-        vim.fn.setqflist({ { filename = '', text = vim.inspect(response.body) } })
+        vim.fn.setqflist({ { filename = vim.inspect(cmd), text = vim.inspect(response.body) } })
         vim.cmd('copen')
       end
 
+      vim.notify('hurl: request finished', vim.log.levels.INFO)
+
       if callback then
         return callback(response)
       else
@@ -118,13 +120,19 @@ local function run_selection(opts)
   local fname = util.create_tmp_file(lines)
 
   if not fname then
+    vim.notify('hurl: create tmp file failed. Please try again!', vim.log.levels.WARN)
     return
   end
 
   table.insert(opts, fname)
   request(opts)
   vim.defer_fn(function()
-    os.remove(fname)
+    local success = os.remove(fname)
+    if not success then
+      vim.notify('hurl: remove file failed', vim.log.levels.WARN)
+    else
+      util.log_info('hurl: remove file success ' .. fname)
+    end
   end, 1000)
 end
 
diff --git a/lua/hurl/popup.lua b/lua/hurl/popup.lua
index d8c97c8..91e5635 100644
--- a/lua/hurl/popup.lua
+++ b/lua/hurl/popup.lua
@@ -46,6 +46,7 @@ M.show = function(data, type)
             return
           end
         end
+        -- TODO: clear buffer on unmount
         layout:unmount()
       end)
     end)
diff --git a/lua/hurl/split.lua b/lua/hurl/split.lua
index 3548f2b..5cf2e50 100644
--- a/lua/hurl/split.lua
+++ b/lua/hurl/split.lua
@@ -22,6 +22,7 @@ M.show = function(data, type)
 
   -- unmount component when cursor leaves buffer
   split:on(event.BufLeave, function()
+    -- TODO: clear buffer on unmount
     split:unmount()
   end)
 
diff --git a/lua/hurl/utils.lua b/lua/hurl/utils.lua
index 0ac0291..e482d27 100644
--- a/lua/hurl/utils.lua
+++ b/lua/hurl/utils.lua
@@ -44,8 +44,15 @@ end
 ---@param content any
 ---@return string|nil
 util.create_tmp_file = function(content)
-  local tmp_file = vim.fn.tempname()
+  -- create temp file base on pid and datetime
+  local tmp_file = string.format(
+    '%s/%s.hurl',
+    vim.fn.stdpath('cache'),
+    vim.fn.getpid() .. '-' .. vim.fn.localtime()
+  )
+
   if not tmp_file then
+    vim.notify('hurl: failed to create tmp file', vim.log.levels.ERROR)
     return
   end
 
@@ -60,6 +67,13 @@ util.create_tmp_file = function(content)
     f:write(content)
   end
   f:close()
+
+  -- Send to quicklist to open the temp file in debug mode
+  if _HURL_CFG.debug then
+    vim.fn.setqflist({ { filename = tmp_file, text = 'hurl.nvim' } })
+    vim.cmd('copen')
+  end
+
   return tmp_file
 end
 
diff --git a/test/plugin_spec.lua b/test/plugin_spec.lua
index c629863..f466a8f 100644
--- a/test/plugin_spec.lua
+++ b/test/plugin_spec.lua
@@ -3,17 +3,17 @@ describe('Hurl.nvim plugin', function()
     local hurl = require('hurl')
     assert.truthy(hurl)
 
-    assert.are.same('popup', _HURL_CFG.mode)
+    assert.are.same('split', _HURL_CFG.mode)
     assert.are.same(false, _HURL_CFG.debug)
   end)
 
   it('should be able parse the configuration file', function()
     require('hurl').setup({
       debug = true,
-      mode = 'split',
+      mode = 'popup',
     })
 
-    assert.are.same('split', _HURL_CFG.mode)
+    assert.are.same('popup', _HURL_CFG.mode)
     assert.are.same(true, _HURL_CFG.debug)
   end)
 end)