diff --git a/lua/Trans/bak_init.lua b/lua/Trans/bak_init.lua
new file mode 100644
index 0000000..f29161d
--- /dev/null
+++ b/lua/Trans/bak_init.lua
@@ -0,0 +1,264 @@
+local M = {}
+local api, fn = vim.api, vim.fn
+
+if fn.executable('sqlite3') ~= 1 then
+    error('Please check out sqlite3')
+end
+
+local win_title = fn.has('nvim-0.9') == 1 and {
+        { '',       'TransTitleRound' },
+        { ' Trans', 'TransTitle' },
+        { '',       'TransTitleRound' },
+    } or nil
+
+-- local title = {
+--     "████████╗██████╗  █████╗ ███╗   ██╗███████╗",
+--     "╚══██╔══╝██╔══██╗██╔══██╗████╗  ██║██╔════╝",
+--     "   ██║   ██████╔╝███████║██╔██╗ ██║███████╗",
+--     "   ██║   ██╔══██╗██╔══██║██║╚██╗██║╚════██║",
+--     "   ██║   ██║  ██║██║  ██║██║ ╚████║███████║",
+--     "   ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═╝╚═╝  ╚═══╝╚══════╝",
+--}
+
+
+string.width = api.nvim_strwidth
+string.isEn = function(self)
+    local char = { self:byte(1, -1) }
+    for i = 1, #self do
+        if char[i] > 128 then
+            return false
+        end
+    end
+    return true
+end
+
+string.play = fn.has('linux') == 1 and function(self)
+        local cmd = ([[echo "%s" | festival --tts]]):format(self)
+        fn.jobstart(cmd)
+    end or function(self)
+        local seperator = fn.has('unix') and '/' or '\\'
+        local file = debug.getinfo(1, "S").source:sub(2):match('(.*)lua') .. seperator .. 'tts' .. seperator .. 'say.js'
+        fn.jobstart('node ' .. file .. ' ' .. self)
+    end
+
+M.conf = {
+    view = {
+        i = 'float',
+        n = 'hover',
+        v = 'hover',
+    },
+    hover = {
+        width = 37,
+        height = 27,
+        border = 'rounded',
+        title = win_title,
+        keymap = {
+            pageup = '[[',
+            pagedown = ']]',
+            pin = '<leader>[',
+            close = '<leader>]',
+            toggle_entry = '<leader>;',
+            play = '_',
+        },
+        animation = {
+            -- open = 'fold',
+            -- close = 'fold',
+            open = 'slid',
+            close = 'slid',
+            interval = 12,
+        },
+        auto_close_events = {
+            'InsertEnter',
+            'CursorMoved',
+            'BufLeave',
+        },
+        auto_play = true,
+        timeout = 2000,
+        spinner = 'dots', -- 查看所有样式: /lua/Trans/util/spinner
+        -- spinner = 'moon'
+    },
+    float = {
+        width = 0.8,
+        height = 0.8,
+        border = 'rounded',
+        title = win_title,
+        keymap = {
+            quit = 'q',
+        },
+        animation = {
+            open = 'fold',
+            close = 'fold',
+            interval = 10,
+        },
+        tag = {
+            wait = '#519aba',
+            fail = '#e46876',
+            success = '#10b981',
+        },
+    },
+    order = { -- only work on hover mode
+        'title',
+        'tag',
+        'pos',
+        'exchange',
+        'translation',
+        'definition',
+    },
+    icon = {
+        star = '',
+        notfound = ' ',
+        yes = '✔',
+        no = '',
+        -- --- char: ■ | □ | ▇ | ▏ ▎ ▍ ▌ ▋ ▊ ▉ █
+        -- --- ◖■■■■■■■◗▫◻ ▆ ▆ ▇⃞ ▉⃞
+        cell = '■',
+        -- star = '⭐',
+        -- notfound = '❔',
+        -- yes = '✔️',
+        -- no = '❌'
+    },
+    theme = 'default',
+    -- theme = 'dracula',
+    -- theme = 'tokyonight',
+
+    db_path = '$HOME/.vim/dict/ultimate.db',
+    engine = {
+        youdao = {},
+        -- baidu = {
+        --     appid = '',
+        --     appPasswd = '',
+        -- },
+        -- -- youdao = {
+        --     appkey = '',
+        --     appPasswd = '',
+        -- },
+    },
+    -- TODO :
+    -- register word
+    -- history = {
+    --     -- TOOD
+    -- }
+
+    -- TODO :add online translate engine
+}
+
+local times = 0
+M.setup = function(opts)
+    if opts then
+        M.conf = vim.tbl_deep_extend('force', M.conf, opts)
+    end
+    local conf = M.conf
+
+    local float = conf.float
+    if 0 < float.height and float.height <= 1 then
+        float.height = math.floor((vim.o.lines - vim.o.cmdheight - 1) * float.height)
+    end
+    if 0 < float.width and float.width <= 1 then
+        float.width = math.floor(vim.o.columns * float.width)
+    end
+
+    local engines = {}
+    local i = 1
+    for k, _ in pairs(conf.engine) do
+        engines[i] = k
+        i = i + 1
+    end
+
+    conf.engines = engines
+    times = times + 1
+    if times == 1 then
+        ---@format disable
+        local new_command = api.nvim_create_user_command
+        new_command('Translate', function() M.translate() end, { desc = '  单词翻译', })
+        new_command('TranslateInput', function() M.translate('i') end, { desc = '  搜索翻译', })
+        new_command('TransPlay', function()
+            local word = M.get_word(api.nvim_get_mode().mode)
+            if word ~= '' and word:isEn() then
+                word:play()
+            end
+        end, { desc = ' 自动发音' })
+
+
+        local set_hl = api.nvim_set_hl
+        local hls    = require('Trans.ui.theme')[conf.theme]
+        for hl, opt in pairs(hls) do
+            set_hl(0, hl, opt)
+        end
+        ---@format enable
+    end
+end
+
+local function get_select()
+    local _start = fn.getpos("v")
+    local _end = fn.getpos('.')
+
+    if _start[2] > _end[2] or (_start[3] > _end[3] and _start[2] == _end[2]) then
+        _start, _end = _end, _start
+    end
+    local s_row, s_col = _start[2], _start[3]
+    local e_row, e_col = _end[2], _end[3]
+
+    -- print(s_row, e_row, s_col, e_col)
+    ---@type string
+    ---@diagnostic disable-next-line: assign-type-mismatch
+    local line = fn.getline(e_row)
+    local uidx = vim.str_utfindex(line, math.min(#line, e_col))
+    e_col = vim.str_byteindex(line, uidx)
+
+    if s_row == e_row then
+        return line:sub(s_col, e_col)
+    else
+        local lines = fn.getline(s_row, e_row)
+        local i = #lines
+        lines[1] = lines[1]:sub(s_col)
+        lines[i] = line:sub(1, e_col)
+        return table.concat(lines)
+    end
+end
+
+M.get_word = function(mode)
+    local word
+    if mode == 'n' then
+        word = fn.expand('<cword>')
+    elseif mode == 'v' then
+        api.nvim_input('<ESC>')
+        word = get_select()
+    elseif mode == 'i' then
+        -- TODO Use Telescope with fuzzy finder
+        ---@diagnostic disable-next-line: param-type-mismatch
+        word = fn.input('请输入需要查询的单词:')
+    else
+        error('invalid mode: ' .. mode)
+    end
+    return word
+end
+
+
+M.translate = function(mode, view)
+    local function demo()
+        local frame = 1000
+        for i = 1, 10 do
+            print('now is ' .. i)
+            vim.wait(frame)
+        end
+    end
+    vim.loop.new_async(demo):send()
+    -- vim.validate {
+    --     mode = { mode, 's', true },
+    --     view = { view, 's', true }
+    -- }
+
+    -- mode = mode or api.nvim_get_mode().mode
+    -- view = view or M.conf.view[mode]
+    -- assert(mode and view)
+    -- local word = M.get_word(mode)
+    -- if word == nil or word == '' then
+    --     return
+    -- else
+    --     require('Trans.view.' .. view)(word:gsub('^%s+', '', 1))
+    -- end
+end
+
+M.ns = api.nvim_create_namespace('Trans')
+
+return M
diff --git a/lua/Trans/init.lua b/lua/Trans/init.lua
index 8199140..146006c 100644
--- a/lua/Trans/init.lua
+++ b/lua/Trans/init.lua
@@ -198,20 +198,15 @@ end
 
 
 M.translate = function(mode, view)
-    vim.validate {
-        mode = { mode, 's', true },
-        view = { view, 's', true }
-    }
-
-    mode = mode or api.nvim_get_mode().mode
-    view = view or M.conf.view[mode]
-    assert(mode and view)
-    local word = M.get_word(mode)
-    if word == nil or word == '' then
-        return
-    else
-        require('Trans.view.' .. view)(word:gsub('^%s+', '', 1))
+    local function demo()
+        local frame = 1000
+        for i = 1, 10 do
+            print('now is ' .. i)
+            vim.wait(frame)
+        end
     end
+
+    vim.defer_fn(demo, 10)
 end
 
 M.ns = api.nvim_create_namespace('Trans')
diff --git a/lua/Trans/util/json.lua b/lua/Trans/util/json.lua
new file mode 100644
index 0000000..94f743a
--- /dev/null
+++ b/lua/Trans/util/json.lua
@@ -0,0 +1,12 @@
+local function read_json()
+  local path = vim.fn.expand("$HOME/.config/Trans.json")
+  local file = io.open(path, "r")
+  if file then
+    local content = file:read("*a")
+    file:close()
+    local data = vim.json.decode(content)
+    print(data.api_key, data.api_id)
+  else
+    print("File not found: " .. path)
+  end
+end