diff --git a/README.md b/README.md
index b2f2548..dbd6ee5 100644
--- a/README.md
+++ b/README.md
@@ -50,9 +50,28 @@ use {
     run = 'bash ./install.sh',
     requires = 'kharji/sqlite.lua',
     -- 如果你不需要任何配置的话, 可以直接按照下面的方式启动
-    config = require'Trans'.setup{}
+    config = require'Trans'.setup
+}
+
+```
+
+**如果你想要使用Packer的惰性加载，这里有一个例子**  
+```lua
+use {
+    "JuanZoran/Trans.nvim",
+    keys = {
+        { 'v', 'mm' }, -- 换成其他你想用的key即可
+        { 'n', 'mm' },
+    },
+    run = 'bash ./install.sh',
+    config = function()
+        require("Trans").setup {}
+        vim.keymap.set("v", "mm", '<Esc><Cmd>TranslateSelectWord<CR>', { desc = ' Translate' })
+        vim.keymap.set("n", "mm", "<Cmd>TranslateCursorWord<CR>", { desc = ' Translate' })
+    end
 }
 ```
+
 **注意事项**:
 - `install.sh`
   - 使用了 `wget`下载词库, 安装请确保你的环境变量中存在wget
diff --git a/lua/Trans/display.lua b/lua/Trans/display.lua
index 2648b12..1876ae0 100644
--- a/lua/Trans/display.lua
+++ b/lua/Trans/display.lua
@@ -1,9 +1,10 @@
 local M = {}
 
-local api     = vim.api
-local display = require("Trans").conf.display
-local icon    = require("Trans").conf.icon
-local order   = require("Trans").conf.order
+local api        = vim.api
+local display    = require("Trans").conf.display
+local icon       = require("Trans").conf.icon
+local order      = require("Trans").conf.order
+local auto_close = require("Trans").conf.auto_close
 
 local hl = require("Trans.highlight").hlgroup
 
@@ -14,7 +15,6 @@ local pos_info = {}
 
 api.nvim_buf_set_option(buf, 'filetype', 'Trans')
 
-
 local function show_win(width, height)
     win = api.nvim_open_win(buf, false, {
         relative = 'cursor',
@@ -182,20 +182,23 @@ local function set_text(query_res)
     return width, #text
 end
 
-local function hl_title()
+local hl_handler = {}
+
+
+hl_handler.title = function()
     api.nvim_buf_add_highlight(buf, -1, hl.word, pos_info.title.line, 0, pos_info.title.word)
     api.nvim_buf_add_highlight(buf, -1, hl.phonetic, pos_info.title.line, pos_info.title.word + 5,
         pos_info.title.word + 5 + pos_info.title.phonetic)
 end
 
-local function hl_tag()
+hl_handler.tag = function()
     if pos_info.tag then
         api.nvim_buf_add_highlight(buf, -1, hl.ref, pos_info.tag, 0, -1)
         api.nvim_buf_add_highlight(buf, -1, hl.tag, pos_info.tag + 1, 0, -1)
     end
 end
 
-local function hl_pos()
+hl_handler.pos = function()
     if pos_info.pos then
         api.nvim_buf_add_highlight(buf, -1, hl.ref, pos_info.pos.line, 0, -1)
         for i = 1, pos_info.pos.content, 1 do
@@ -204,7 +207,7 @@ local function hl_pos()
     end
 end
 
-local function hl_exchange()
+hl_handler.exchange = function()
     if pos_info.exchange then
         api.nvim_buf_add_highlight(buf, -1, hl.ref, pos_info.exchange.line, 0, -1)
         for i = 1, pos_info.exchange.content, 1 do
@@ -213,14 +216,14 @@ local function hl_exchange()
     end
 end
 
-local function hl_zh()
+hl_handler.zh = function()
     api.nvim_buf_add_highlight(buf, -1, hl.ref, pos_info.zh.line, 0, -1)
     for i = 1, pos_info.zh.content, 1 do
         api.nvim_buf_add_highlight(buf, -1, hl.zh, pos_info.zh.line + i, 0, -1)
     end
 end
 
-local function hl_en()
+hl_handler.en = function()
     if pos_info.en then
         api.nvim_buf_add_highlight(buf, -1, hl.ref, pos_info.en.line, 0, -1)
         for i = 1, pos_info.en.content, 1 do
@@ -229,14 +232,6 @@ local function hl_en()
     end
 end
 
-local hl_handler = {
-    title = hl_title,
-    tag = hl_tag,
-    pos = hl_pos,
-    exchange = hl_exchange,
-    zh = hl_zh,
-    en = hl_en,
-}
 
 local function set_hl()
     for _, v in ipairs(order) do
@@ -258,7 +253,6 @@ local function get_visual_selection()
     return word
 end
 
-
 function M.query(mode)
     assert(buf > 0)
     local word = ''
@@ -278,6 +272,15 @@ function M.query(mode)
         set_hl()
         clear_tmp_info()
     end
+
+    if auto_close then
+        api.nvim_create_autocmd(
+            { 'InsertEnter', 'CursorMoved', 'BufLeave', }, {
+            buffer = 0,
+            once = true,
+            callback = M.close_win,
+        })
+    end
 end
 
 function M.query_cursor()
@@ -295,4 +298,11 @@ function M.close_win()
     end
 end
 
+-- function M.enter_win()
+--     if api.nvim_win_is_valid(win) then
+--     else
+--         error('current win is not valid')
+--     end
+-- end
+
 return M
diff --git a/lua/Trans/init.lua b/lua/Trans/init.lua
index 79e2c73..6a1a55f 100644
--- a/lua/Trans/init.lua
+++ b/lua/Trans/init.lua
@@ -3,6 +3,7 @@ local M = {}
 
 M.conf = require("Trans.conf")
 function M.setup(conf)
+    conf = conf or {}
     if conf.display then
         conf.display = vim.tbl_extend('force', M.conf.display, conf.display)
     end
diff --git a/lua/Trans/setup.lua b/lua/Trans/setup.lua
index 35e5379..299b3d5 100644
--- a/lua/Trans/setup.lua
+++ b/lua/Trans/setup.lua
@@ -17,18 +17,6 @@ vim.api.nvim_create_autocmd('VimLeave', {
     end,
 })
 
--- TODO: set command to close preview window automatically
-local auto_close = require("Trans.conf").auto_close
-if auto_close then
-    vim.api.nvim_create_autocmd(
-        { 'InsertEnter', 'CursorMoved', 'BufLeave', }, {
-        group = group,
-        pattern = '*',
-        callback = require('Trans.display').close_win
-    })
-end
-
-
 -- vim.keymap.set('n', 'mm', '<cmd>TranslateCurosorWord<cr>')
 -- vim.keymap.set('v', 'mm', '<Esc><cmd>TranslateSelectWord<cr>')
 require("Trans.highlight").set_hl()