fix: fix some bugs and need to refator this project

lua/Trans/database.lua

@@ -1,6 +0,0 @@
-local M = {}
-
-function M.query(arg)
-end
-
-return M

lua/Trans/init.lua

@@ -1,17 +1,15 @@
 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)
+    for k, v in pairs(conf) do
+        if type(v) == 'table' then
+            M.conf[k] = vim.tbl_extend('force', M.conf[k], v)
+        else
+            M.conf[k] = v
+        end
     end
-
-    if conf.icon then
-        conf.icon = vim.tbl_extend('force', M.conf.icon, conf.icon)
-    end
-
     M.conf = vim.tbl_extend('force', M.conf, conf)
     require("Trans.setup")
 end

lua/Trans/setup.lua

@@ -1,14 +1,17 @@
 local db = require("Trans").db
--- local conf = require("Trans").conf
 
-vim.api.nvim_create_user_command('TranslateCursorWord', require("Trans.display").query_cursor, {})
-vim.api.nvim_create_user_command('TranslateSelectWord', require("Trans.display").query_select, {})
-vim.api.nvim_create_user_command('TranslateInputWord', require("Trans.display").query_input, {})
+vim.api.nvim_create_user_command('TranslateCursorWord', require("Trans.display").query_cursor, {
+    desc = '翻译光标下的单词',
+})
+vim.api.nvim_create_user_command('TranslateSelectWord', require("Trans.display").query_select, {
+    desc = '翻译选中的单词',
+})
+vim.api.nvim_create_user_command('TranslateInputWord', require("Trans.display").query_input, {
+    desc = '翻译输入的单词',
+})
 
-
-local group = vim.api.nvim_create_augroup("Trans", { clear = true })
-vim.api.nvim_create_autocmd('VimLeave', {
-    group = group,
+vim.api.nvim_create_autocmd('VimLeavePre', {
+    group = vim.api.nvim_create_augroup("Trans", { clear = true }),
     pattern = '*',
     callback = function()
         if db:isopen() then
@@ -17,9 +20,6 @@ vim.api.nvim_create_autocmd('VimLeave', {
     end,
 })
 
--- vim.keymap.set('n', 'mm', '<cmd>TranslateCurosorWord<cr>')
--- vim.keymap.set('v', 'mm', '<Esc><cmd>TranslateSelectWord<cr>')
-
 local highlights = require("Trans").conf.highlight
 for highlight, opt in pairs(highlights) do
     vim.nvim_set_hl(0, highlight, opt)