diff --git a/lua/cmp/autocmd.lua b/lua/cmp/autocmd.lua
index 3d37407..4af766a 100644
--- a/lua/cmp/autocmd.lua
+++ b/lua/cmp/autocmd.lua
@@ -24,6 +24,7 @@ end
 ---Emit autocmd
 ---@param event string
 autocmd.emit = function(event)
+  debug.log(' ')
   debug.log(string.format('>>> %s', event))
   autocmd.events[event] = autocmd.events[event] or {}
   for _, callback in ipairs(autocmd.events[event]) do
diff --git a/lua/cmp/core.lua b/lua/cmp/core.lua
index a50cc7d..cea51b9 100644
--- a/lua/cmp/core.lua
+++ b/lua/cmp/core.lua
@@ -18,7 +18,7 @@ core.SOURCE_TIMEOUT = 500
 core.menu = menu.new({
   on_select = function(e)
     for _, c in ipairs(e:get_commit_characters()) do
-      keymap.listen(c, core.on_keymap)
+      keymap.listen('i', c, core.on_keymap)
     end
   end,
 })
@@ -102,8 +102,16 @@ end
 
 ---Prepare completion
 core.prepare = function()
-  for keys in pairs(config.get().mapping) do
-    keymap.listen(keys, core.on_keymap)
+  for keys, action in pairs(config.get().mapping) do
+    if type(action) == 'function' then
+      action = {
+        modes = { 'i' },
+        action = action,
+      }
+    end
+    for _, mode in ipairs(action.modes) do
+      keymap.listen(mode, keys, core.on_keymap)
+    end
   end
 end
 
diff --git a/lua/cmp/mapping.lua b/lua/cmp/mapping.lua
index 31094ef..465f250 100644
--- a/lua/cmp/mapping.lua
+++ b/lua/cmp/mapping.lua
@@ -2,55 +2,66 @@ local types = require('cmp.types')
 
 local mapping = {}
 
+mapping.mode = function(modes, action)
+  return setmetatable({
+    modes = modes or { 'i' },
+    action = action,
+  }, {
+    __call = function(_, ...)
+      action(...)
+    end,
+  })
+end
+
 mapping.complete = function()
-  return function(core)
+  return mapping.mode({ 'i' }, function(core)
     core.complete(core.get_context({ reason = types.cmp.ContextReason.Manual }))
-  end
+  end)
 end
 
 mapping.close = function()
-  return function(core, fallback)
+  return mapping.mode({ 'i' }, function(core, fallback)
     if vim.fn.pumvisible() == 1 then
       core.reset()
     else
       fallback()
     end
-  end
+  end)
 end
 
 mapping.scroll = function(delta)
-  return function(core, fallback)
+  return mapping.mode({ 'i' }, function(core, fallback)
     if core.menu.float:is_visible() then
       core.menu.float:scroll(delta)
     else
       fallback()
     end
-  end
+  end)
 end
 
 mapping.next_item = function()
-  return function(_, fallback)
+  return mapping.mode({ 'i' }, function(_, fallback)
     if vim.fn.pumvisible() == 1 then
       vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-n>', true, true, true), 'n')
     else
       fallback()
     end
-  end
+  end)
 end
 
 mapping.prev_item = function()
-  return function(_, fallback)
+  return mapping.mode({ 'i' }, function(_, fallback)
     if vim.fn.pumvisible() == 1 then
       vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-p>', true, true, true), 'n')
     else
       fallback()
     end
-  end
+  end)
 end
 
 mapping.confirm = function(option)
   option = option or {}
-  return function(core, fallback)
+  return mapping.mode({ 'i' }, function(core, fallback)
     local e = core.menu:get_selected_entry() or (option.select and core.menu:get_first_entry() or nil)
     if e then
       core.confirm(e, {
@@ -61,7 +72,7 @@ mapping.confirm = function(option)
     else
       fallback()
     end
-  end
+  end)
 end
 
 return mapping
diff --git a/lua/cmp/menu.lua b/lua/cmp/menu.lua
index 2203b8c..aee6be7 100644
--- a/lua/cmp/menu.lua
+++ b/lua/cmp/menu.lua
@@ -74,8 +74,8 @@ menu.update = check.wrap(function(self, ctx, sources)
   -- check the source triggered by character
   local has_triggered_by_symbol_source = false
   for _, s in ipairs(sources) do
-    if s:has_items() then
-      if #s:get_entries(ctx) > 0 and s.is_triggered_by_symbol then
+    if #s:get_entries(ctx) > 0 then
+      if s.is_triggered_by_symbol then
         has_triggered_by_symbol_source = true
         break
       end
@@ -85,7 +85,7 @@ menu.update = check.wrap(function(self, ctx, sources)
   -- create filtered entries.
   local offset = ctx.cursor.col
   for i, s in ipairs(sources) do
-    if s:has_items() and s.offset <= offset then
+    if s.offset <= offset then
       if not has_triggered_by_symbol_source or s.is_triggered_by_symbol then
         -- source order priority bonus.
         local priority = (#sources - (i - 1)) * config.get().sorting.priority_weight
diff --git a/lua/cmp/utils/keymap.lua b/lua/cmp/utils/keymap.lua
index 204325f..0b33eed 100644
--- a/lua/cmp/utils/keymap.lua
+++ b/lua/cmp/utils/keymap.lua
@@ -91,16 +91,16 @@ end)
 keymap.listen = setmetatable({
   cache = cache.new(),
 }, {
-  __call = function(_, keys, callback)
+  __call = function(_, mode, keys, callback)
     keys = keymap.to_keymap(keys)
 
     local bufnr = vim.api.nvim_get_current_buf()
-    if keymap.listen.cache:get({ bufnr, keys }) then
+    if keymap.listen.cache:get({ mode, bufnr, keys }) then
       return
     end
 
     local existing = nil
-    for _, map in ipairs(vim.api.nvim_buf_get_keymap(0, 'i')) do
+    for _, map in ipairs(vim.api.nvim_buf_get_keymap(0, mode)) do
       if existing then
         break
       end
@@ -108,7 +108,7 @@ keymap.listen = setmetatable({
         existing = map
       end
     end
-    for _, map in ipairs(vim.api.nvim_get_keymap('i')) do
+    for _, map in ipairs(vim.api.nvim_get_keymap(mode)) do
       if existing then
         break
       end
@@ -125,11 +125,12 @@ keymap.listen = setmetatable({
       noremap = 1,
     }
 
-    keymap.listen.cache:set({ bufnr, keys }, {
+    keymap.listen.cache:set({ mode, bufnr, keys }, {
+      mode = mode,
       existing = existing,
       callback = callback,
     })
-    vim.api.nvim_buf_set_keymap(0, 'i', keys, ('v:lua.cmp.utils.keymap.expr("%s")'):format(keymap.escape(keys)), {
+    vim.api.nvim_buf_set_keymap(0, mode, keys, ('v:lua.cmp.utils.keymap.expr("%s", "%s")'):format(mode, keymap.escape(keys)), {
       expr = true,
       nowait = true,
       noremap = true,
@@ -137,13 +138,13 @@ keymap.listen = setmetatable({
     })
   end,
 })
-misc.set(_G, { 'cmp', 'utils', 'keymap', 'expr' }, function(keys)
+misc.set(_G, { 'cmp', 'utils', 'keymap', 'expr' }, function(mode, keys)
   local bufnr = vim.api.nvim_get_current_buf()
 
-  local existing = keymap.listen.cache:get({ bufnr, keys }).existing
-  local callback = keymap.listen.cache:get({ bufnr, keys }).callback
+  local existing = keymap.listen.cache:get({ mode, bufnr, keys }).existing
+  local callback = keymap.listen.cache:get({ mode, bufnr, keys }).callback
   callback(keys, function()
-    vim.api.nvim_buf_set_keymap(0, 'i', '<Plug>(cmp-utils-keymap:_)', existing.rhs, {
+    vim.api.nvim_buf_set_keymap(0, mode, '<Plug>(cmp-utils-keymap:_)', existing.rhs, {
       expr = existing.expr ~= 0,
       noremap = existing.noremap ~= 0,
       script = existing.script ~= 0,