diff --git a/.github/workflows/panvimdoc.yml b/.github/workflows/panvimdoc.yml
new file mode 100644
index 0000000..f5ea271
--- /dev/null
+++ b/.github/workflows/panvimdoc.yml
@@ -0,0 +1,18 @@
+name: panvimdoc
+
+on: [push]
+
+jobs:
+    docs:
+        runs-on: ubuntu-latest
+        name: pandoc to vimdoc
+        steps:
+            - uses: actions/checkout@v2
+            - name: panvimdoc
+              uses: kdheepak/panvimdoc@main
+              with:
+                  vimdoc: Trans
+            - uses: stefanzweifel/git-auto-commit-action@v4
+              with:
+                  commit_message: "Auto generate docs"
+                  branch: dev
diff --git a/doc/Trans.txt b/doc/Trans.txt
new file mode 100644
index 0000000..e69de29
diff --git a/lua/Trans/backend/baidu.lua b/lua/Trans/backend/baidu.lua
index d6d8b9f..b521b23 100644
--- a/lua/Trans/backend/baidu.lua
+++ b/lua/Trans/backend/baidu.lua
@@ -1,63 +1,74 @@
-local baidu     = require('Trans').conf.engine.baidu
-local appid     = baidu.appid
-local appPasswd = baidu.appPasswd
-local salt      = tostring(math.random(bit.lshift(1, 15)))
-local uri       = 'https://fanyi-api.baidu.com/api/trans/vip/translate'
+local M          = {}
 
--- error('请查看README, 实现在线翻译或者设置将在线翻译设置为false')
+local baidu      = require('Trans').conf.engine.baidu
+local appid      = baidu.appid
+local app_passwd = baidu.app_passwd
+local salt       = tostring(math.random(bit.lshift(1, 15)))
+local uri        = 'https://fanyi-api.baidu.com/api/trans/vip/translate'
 
-local post      = require('Trans.util.curl').POST
 
-local function get_field(word, isEn)
-    local to   = isEn and 'zh' or 'en'
-    local tmp  = appid .. word .. salt .. appPasswd
+M.request_headers = function(data)
+    local tmp  = appid .. data.str .. salt .. app_passwd
     local sign = require('Trans.util.md5').sumhexa(tmp)
-
     return {
-        q     = word,
-        from  = 'auto',
-        to    = to,
+        q     = data.str,
+        from  = data.from,
+        to    = data.to,
         appid = appid,
         salt  = salt,
         sign  = sign,
     }
 end
 
----返回一个channel
----@param word string
----@return table
-return function(word)
-    local isEn = word:isEn()
-    local query = get_field(word, isEn)
-    local result = {}
 
-    post(uri, {
-        data = query,
-        headers = {
-            content_type = "application/x-www-form-urlencoded",
-        },
-        callback = function(str)
-            local ok, res = pcall(vim.json.decode, str)
-            if ok and res and res.trans_result then
-                result[1] = {
-                    title = { word = word },
-                        [isEn and 'translation' or 'definition'] = res.trans_result[1].dst,
-                }
+M.query = function(data)
+    data.engine = 'baidu'
 
-                if result.callback then
-                    result.callback(result[1])
-                end
-            else
-                result[1] = false
-            end
-        end,
-    })
+    require('Trans.wrapper.curl').POST {
 
-    return result
+    }
 end
 
 
+return M
 
--- NOTE :free tts:
--- https://zj.v.api.aa1.cn/api/baidu-01/?msg=我爱你&choose=0&su=100&yd=5
--- 选择转音频的人物，女生1 输入0 ｜ 女生2输入：5｜男生1 输入：1｜男生2 输入：2｜男生3 输入：3
+-- local post       = require('Trans.util.curl').POST
+
+-- ---返回一个channel
+-- ---@param word string
+-- ---@return table
+-- return function(word)
+--     local isEn = word:isEn()
+--     local query = get_field(word, isEn)
+--     local result = {}
+
+--     post(uri, {
+--         data = query,
+--         headers = {
+--             content_type = "application/x-www-form-urlencoded",
+--         },
+--         callback = function(str)
+--             local ok, res = pcall(vim.json.decode, str)
+--             if ok and res and res.trans_result then
+--                 result[1] = {
+--                     title = { word = word },
+--                         [isEn and 'translation' or 'definition'] = res.trans_result[1].dst,
+--                 }
+
+--                 if result.callback then
+--                     result.callback(result[1])
+--                 end
+--             else
+--                 result[1] = false
+--             end
+--         end,
+--     })
+
+--     return result
+-- end
+
+
+
+-- -- NOTE :free tts:
+-- -- https://zj.v.api.aa1.cn/api/baidu-01/?msg=我爱你&choose=0&su=100&yd=5
+-- -- 选择转音频的人物，女生1 输入0 ｜ 女生2输入：5｜男生1 输入：1｜男生2 输入：2｜男生3 输入：3
diff --git a/lua/Trans/backend/init.lua b/lua/Trans/backend/init.lua
index ece2093..038b634 100644
--- a/lua/Trans/backend/init.lua
+++ b/lua/Trans/backend/init.lua
@@ -7,4 +7,7 @@ M.__index = function(t, k)
     return engine
 end
 
+
+
+
 return setmetatable(M, M)
diff --git a/lua/Trans/backend/offline.lua b/lua/Trans/backend/offline.lua
index 9343dc7..14fdf24 100644
--- a/lua/Trans/backend/offline.lua
+++ b/lua/Trans/backend/offline.lua
@@ -1,7 +1,6 @@
-local M = {}
+local M = { no_wait = true }
 
 local db = require 'sqlite.db'
-local util = require("Trans.backend.util")
 vim.api.nvim_create_autocmd('VimLeavePre', {
     once = true,
     callback = function()
@@ -11,45 +10,32 @@ vim.api.nvim_create_autocmd('VimLeavePre', {
     end
 })
 
-M.query = function(opts)
-    opts = type(opts) == 'string' and { str = opts } or opts
-    if opts.is_word == false then return end
+M.query = function(data)
+    if data.is_word == false or data.from == 'zh' then return end
 
-    opts.engine    = 'offline'
-
-    opts.field     = opts.field or M.field
-    opts.path      = vim.fn.expand(opts.path or require('Trans').conf.db_path)
-    opts.formatter = opts.formatter or M.formatter
+    data.path        = vim.fn.expand(data.path or require('Trans').conf.db_path)
+    data.engine      = 'offline'
+    data.formatter   = data.formatter or M.formatter
+    data.query_field = data.query_field or M.query_field
 
 
-    local dict    = db:open(opts.path)
-    local db_name = opts.db_name or 'stardict'
+    local dict    = db:open(data.path)
+    local db_name = data.db_name or 'stardict'
     local res     = dict:select(db_name, {
-            where = { word = opts.str, },
-            keys = opts.field,
+            where = { word = data.str, },
+            keys = data.query_field,
             limit = 1,
         })[1]
 
-
-    if util.is_English(opts.str) then
-        opts.from = 'en'
-        opts.to = 'zh'
-    else
-        opts.from = 'zh'
-        opts.to = 'en'
-    end
-
     if res then
-        opts.result = opts.formatter(res)
+        data.result = data.formatter(res)
     end
 
 
-    return opts
+    return data
 end
 
-M.nowait = true
-
-M.field = {
+M.query_field = {
     'word',
     'phonetic',
     'definition',
@@ -61,10 +47,13 @@ M.field = {
     'exchange',
 }
 
+local exist = function(str)
+    return str and str ~= ''
+end
 
 local formatter = {
     title = function(res)
-        res.title = {
+        local title = {
             word = res.word,
             oxford = res.oxford,
             collins = res.collins,
@@ -75,8 +64,10 @@ local formatter = {
         res.oxford = nil
         res.collins = nil
         res.phonetic = nil
+        return title
     end,
     tag = function(res)
+        if not exist(res.tag) then return end
         local tag_map = {
             zk    = '中考',
             gk    = '高考',
@@ -96,6 +87,7 @@ local formatter = {
         return tag
     end,
     exchange = function(res)
+        if not exist(res.exchange) then return end
         local exchange_map = {
                 ['p'] = '过去式      ',
                 ['d'] = '过去分词    ',
@@ -110,13 +102,14 @@ local formatter = {
         }
 
         local exchange = {}
-        for i, _exchange in ipairs(vim.split(res.exchange, ' ', { plain = true })) do
-            exchange[i] = exchange_map[_exchange]
+        for _, _exchange in ipairs(vim.split(res.exchange, '/', { plain = true })) do
+            exchange[exchange_map[_exchange:sub(1, 1)]] = _exchange:sub(3)
         end
 
         return exchange
     end,
     pos = function(res)
+        if not exist(res.pos) then return end
         local pos_map = {
             a = '代词pron         ',
             c = '连接词conj       ',
@@ -134,13 +127,14 @@ local formatter = {
         }
 
         local pos = {}
-        for i, _pos in ipairs(vim.split(res.pos, '/', { plain = true })) do
-            pos[i] = pos_map[_pos]
+        for _, _pos in ipairs(vim.split(res.pos, '/', { plain = true })) do
+            pos[pos_map[_pos:sub(1, 1)]] = _pos:sub(3)
         end
 
         return pos
     end,
     translation = function(res)
+        if not exist(res.translation) then return end
         local translation = {}
         for i, _translation in ipairs(vim.split(res.translation, '\n', { plain = true })) do
             translation[i] = _translation
@@ -149,6 +143,7 @@ local formatter = {
         return translation
     end,
     definition = function(res)
+        if not exist(res.definition) then return end
         local definition = {}
         for i, _definition in ipairs(vim.split(res.definition, '\n', { plain = true })) do
             --     -- TODO :判断是否需要分割空格
diff --git a/lua/Trans/backend/util.lua b/lua/Trans/backend/util.lua
deleted file mode 100644
index ef03e2f..0000000
--- a/lua/Trans/backend/util.lua
+++ /dev/null
@@ -1,14 +0,0 @@
-local M = {}
-
-M.is_English = function(str)
-    local char = { str:byte(1, -1) }
-    for i = 1, #str do
-        if char[i] > 128 then
-            return false
-        end
-    end
-    return true
-end
-
-
-return M
diff --git a/lua/Trans/core/conf.lua b/lua/Trans/core/conf.lua
new file mode 100644
index 0000000..819401e
--- /dev/null
+++ b/lua/Trans/core/conf.lua
@@ -0,0 +1,105 @@
+return {
+    view = {
+        i = 'float',
+        n = 'hover',
+        v = 'hover',
+    },
+    hover = {
+        width = 37,
+        height = 27,
+        border = 'rounded',
+        title = vim.fn.has('nvim-0.9') == 1 and {
+                { '',       'TransTitleRound' },
+                { ' Trans', 'TransTitle' },
+                { '',       'TransTitleRound' },
+            } or nil,
+        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'
+    },
+    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',
+    db_path = '$HOME/.vim/dict/ultimate.db',
+    -- float = {
+    --     width = 0.8,
+    --     height = 0.8,
+    --     border = 'rounded',
+    --     keymap = {
+    --         quit = 'q',
+    --     },
+    --     animation = {
+    --         open = 'fold',
+    --         close = 'fold',
+    --         interval = 10,
+    --     },
+    --     tag = {
+    --         wait = '#519aba',
+    --         fail = '#e46876',
+    --         success = '#10b981',
+    --     },
+    -- },
+}
+
+
+-- ---Pasue Handler for {ms} milliseconds
+-- ---@param ms number @milliseconds
+-- M.pause = function(ms)
+--     local co = coroutine.running()
+--     vim.defer_fn(function()
+--         coroutine.resume(co)
+--     end, ms)
+--     coroutine.yield()
+-- end
+
+
+-- local title = {
+--     "████████╗██████╗  █████╗ ███╗   ██╗███████╗",
+--     "╚══██╔══╝██╔══██╗██╔══██╗████╗  ██║██╔════╝",
+--     "   ██║   ██████╔╝███████║██╔██╗ ██║███████╗",
+--     "   ██║   ██╔══██╗██╔══██║██║╚██╗██║╚════██║",
+--     "   ██║   ██║  ██║██║  ██║██║ ╚████║███████║",
+--     "   ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═╝╚═╝  ╚═══╝╚══════╝",
+--}
+
+-- string.width = api.nvim_strwidth
diff --git a/lua/Trans/core/setup.lua b/lua/Trans/core/setup.lua
new file mode 100644
index 0000000..5af4802
--- /dev/null
+++ b/lua/Trans/core/setup.lua
@@ -0,0 +1,24 @@
+return function(opts)
+    local M = require('Trans')
+    if opts then
+        M.conf = vim.tbl_deep_extend('force', M.conf, opts)
+    end
+    local conf   = M.conf
+    local set_hl = vim.api.nvim_set_hl
+    local hls    = require('Trans.style.theme')[conf.theme]
+    for hl, opt in pairs(hls) do
+        set_hl(0, hl, opt)
+    end
+
+
+    local path = vim.fn.expand("$HOME/.vim/dict/Trans.json")
+    local file = io.open(path, "r")
+    if file then
+        local content = file:read("*a")
+        file:close()
+        local status, engine = pcall(vim.json.decode, content)
+        assert(status, 'Unable to parse json file: ' .. path)
+
+        conf.engine = engine
+    end
+end
diff --git a/lua/Trans/core/translate.lua b/lua/Trans/core/translate.lua
new file mode 100644
index 0000000..625b278
--- /dev/null
+++ b/lua/Trans/core/translate.lua
@@ -0,0 +1,33 @@
+local M = require('Trans')
+local util = M.util
+
+
+local process
+process = function(opts)
+    opts = opts or {}
+    local mode = opts.mode or vim.api.nvim_get_mode().mode
+    local str = util.get_str(mode)
+    if str == '' then return end
+
+    local data = {
+        str = str,
+        view = opts.view or M.conf.view[mode],
+        mode = mode,
+    }
+
+    if util.is_English(str) then
+        data.from = 'en'
+        data.to = 'zh'
+    else
+        data.from = 'zh'
+        data.to = 'en'
+    end
+
+
+    local res = require('Trans.backend').offline.query(data)
+    -- vim.pretty_print(res)
+
+    M.translate = coroutine.wrap(process)
+end
+
+return process
diff --git a/lua/Trans/core/util.lua b/lua/Trans/core/util.lua
new file mode 100644
index 0000000..44c24d0
--- /dev/null
+++ b/lua/Trans/core/util.lua
@@ -0,0 +1,63 @@
+local M = {}
+
+local fn, api = vim.fn, vim.api
+
+M.get_select = function()
+    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))
+    ---@diagnostic disable-next-line: param-type-mismatch
+    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 e = #lines
+        lines[1] = lines[1]:sub(s_col)
+        lines[e] = line:sub(1, e_col)
+        return table.concat(lines)
+    end
+end
+
+---Get Text which need to be translated
+---@param mode string 'n' | 'v' | 'i'
+---@return string
+M.get_str = function(mode)
+    if mode == 'n' then
+        return fn.expand('<cword>')
+    elseif mode == 'v' then
+        api.nvim_input('<ESC>')
+        return M.get_select()
+    elseif mode == 'i' then
+        -- TODO Use Telescope with fuzzy finder
+        ---@diagnostic disable-next-line: param-type-mismatch
+        return fn.input('请输入需要查询的单词:')
+    else
+        error('invalid mode: ' .. mode)
+    end
+end
+
+M.is_English = function(str)
+    local char = { str:byte(1, -1) }
+    for i = 1, #str do
+        if char[i] > 128 then
+            return false
+        end
+    end
+    return true
+end
+
+return M
diff --git a/lua/Trans/health.lua b/lua/Trans/health.lua
index 90b569d..eac5f3d 100644
--- a/lua/Trans/health.lua
+++ b/lua/Trans/health.lua
@@ -13,11 +13,11 @@ M.check = function()
     -- INFO :Check neovim version
     if has('nvim-0.9') == 1 then
         ok [[
-        [PASS]: you have Trans.nvim with full features in neovim-nightly
+        you have Trans.nvim with full features in neovim-nightly
         ]]
     else
         warn [[
-        [WARN]: Trans Title requires Neovim 0.9 or newer
+        Trans Title requires Neovim 0.9 or newer
         See neovim-nightly: https://github.com/neovim/neovim/releases/tag/nightly
         ]]
     end
@@ -26,22 +26,22 @@ M.check = function()
     local has_sqlite = pcall(require, 'sqlite')
     if has_sqlite then
         ok [[
-        [PASS]: Dependency sqlite.lua is installed
+        Dependency sqlite.lua is installed
         ]]
     else
         error [[
-        [ERROR]: Dependency sqlite.lua can't work correctly
+        Dependency sqlite.lua can't work correctly
         Please Read the doc in github carefully
         ]]
     end
 
     if executable('sqlite3') then
         ok [[
-        [PASS]: Dependency sqlite3 found
+        Dependency sqlite3 found
         ]]
     else
         error [[
-        [ERROR]: Dependency sqlite3 not found
+        Dependency sqlite3 not found
         ]]
     end
 
@@ -50,12 +50,28 @@ M.check = function()
     local db_path = vim.fn.expand(require('Trans').conf.db_path)
     if vim.fn.filereadable(db_path) == 1 then
         ok [[
-        [PASS]: Stardict database found
+        Stardict database found
         ]]
     else
         error [[
-        [PASS]: Stardict database not found
-        Please check the doc in github
+        Stardict database not found
+        Please check the doc in github: https://github.com/JuanZoran/Trans.nvim
+        ]]
+    end
+
+
+    -- INFO :Check Engine configuration file
+    local path = vim.fn.expand("$HOME/.vim/dict/Trans.json")
+    local file = io.open(path, "r")
+    local valid = vim.json.decode(file:read("*a"))
+    if valid then
+        ok [[
+        Engine configuration file found and valid
+        ]]
+    else
+        error [[
+        Engine configuration file not found or invalid
+        Please check the doc in github: https://github.com/JuanZoran/Trans.nvim
         ]]
     end
 end
diff --git a/lua/Trans/init.lua b/lua/Trans/init.lua
index bce7ff5..620d571 100644
--- a/lua/Trans/init.lua
+++ b/lua/Trans/init.lua
@@ -1,208 +1,11 @@
-local M = {}
-local api, fn = vim.api, vim.fn
-
-local win_title = fn.has('nvim-0.9') == 1 and {
-        { '',       'TransTitleRound' },
-        { ' Trans', 'TransTitle' },
-        { '',       'TransTitleRound' },
-    } or nil
-
-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',
-    db_path = '$HOME/.vim/dict/ultimate.db',
-}
-
-M.setup = function(opts)
-    if opts then
-        M.conf = vim.tbl_deep_extend('force', M.conf, opts)
+local M = setmetatable({}, {
+    __index = function(tbl, key)
+        local status, field = pcall(require, 'Trans.core.' .. key)
+        assert(status, 'Unknown field: ' .. key)
+        
+        tbl[key] = field
+        return field
     end
-    local conf   = M.conf
-
-    local set_hl = api.nvim_set_hl
-    local hls    = require('Trans.style.theme')[conf.theme]
-    for hl, opt in pairs(hls) do
-        set_hl(0, hl, opt)
-    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 e = #lines
-        lines[1] = lines[1]:sub(s_col)
-        lines[e] = line:sub(1, e_col)
-        return table.concat(lines)
-    end
-end
-
-M.get_str = 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
-
-
-local process
-process = function(opts)
-    opts = opts or {}
-    local mode = opts.mode or vim.api.nvim_get_mode().mode
-    local str = M.get_str(mode)
-    if str == '' then return end
-
-    local view = opts.view or M.conf.view[mode]
-    local res = require('Trans.backend').offline.query(str)
-    vim.pretty_print(res)
-
-    M.translate = coroutine.wrap(process)
-end
-
-M.translate = coroutine.wrap(process)
-
-
----Pasue Handler for {ms} milliseconds
----@param ms number @milliseconds
-M.pause = function(ms)
-    local co = coroutine.running()
-    vim.defer_fn(function()
-        coroutine.resume(co)
-    end, ms)
-    coroutine.yield()
-end
-
-
--- 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.ns = api.nvim_create_namespace('Trans')
+})
 
 return M
diff --git a/lua/Trans/bak_init.lua b/lua/Trans/util/bak_init.lua
similarity index 100%
rename from lua/Trans/bak_init.lua
rename to lua/Trans/util/bak_init.lua
diff --git a/lua/Trans/util/curl.lua b/lua/Trans/util/curl.lua
index 0b54edf..b0309f7 100644
--- a/lua/Trans/util/curl.lua
+++ b/lua/Trans/util/curl.lua
@@ -1,44 +1,65 @@
 --- TODO :wrapper for curl
 local curl = {}
--- local example = {
---     data = {},
---     headers = {
---         k = 'v',
---     },
---     callback = function(output)
 
---     end,
--- }
-
-curl.GET = function(uri, opts)
-    --- TODO :
-    vim.validate {
-        uri = { uri, 's' },
-        opts = { opts, 't' }
-    }
-    local cmd = {'curl', '-s', ('"%s"'):format(uri)}
+---Send a GET request
+---@param opts table
+curl.GET = function(opts)
+    local uri = opts.uri
+    local headers = opts.headers
     local callback = opts.callback
 
-    local output = ''
-    local option = {
+    -- INFO :Init Curl command with {s}ilent and {G}et
+    local cmd = { 'curl', '-Gs' }
+    local callback = opts.callback
+
+    -- INFO :Add headers
+    for k, v in pairs(headers) do
+        cmd[#cmd + 1] = ([[-H '%s: %s']]):format(k, v)
+    end
+
+    -- INFO :Add arguments
+    local info = {}
+    for k, v in pairs(opts.arguments) do
+        info[#info + 1] = ('%s=%s'):format(k, v)
+    end
+    cmd[#cmd + 1] = ([['%s?%s']]):format(uri, table.concat(info, '&'))
+
+
+    -- write a function to get the output
+    local outpus = {}
+    vim.fn.jobstart(table.concat(cmd, ' '), {
         stdin = 'null',
         on_stdout = function(_, stdout)
             local str = table.concat(stdout)
             if str ~= '' then
-                output = output .. str
+
             end
         end,
         on_exit = function()
             callback(output)
         end,
-    }
+    })
 
-    vim.fn.jobstart(table.concat(cmd, ' '), option)
+    -- local output = ''
+    -- local option = {
+    --     stdin = 'null',
+    --     on_stdout = function(_, stdout)
+    --         local str = table.concat(stdout)
+    --         if str ~= '' then
+    --             output = output .. str
+    --         end
+    --     end,
+    --     on_exit = function()
+    --         callback(output)
+    --     end,
+    -- }
+
+    -- vim.fn.jobstart(table.concat(cmd, ' '), option)
 end
 
 
 
-curl.POST = function(uri, opts)
+curl.POST = function(opts)
     vim.validate {
         uri = { uri, 's' },
         opts = { opts, 't' }
diff --git a/plugin/Trans.lua b/plugin/Trans.lua
index 5f6540a..ed568e3 100644
--- a/plugin/Trans.lua
+++ b/plugin/Trans.lua
@@ -1,13 +1,32 @@
-local api = vim.api
+local api, fn = vim.api, vim.fn
+
+if fn.has('linux') == 1 then
+    string.play = function(self)
+        local cmd = ([[echo "%s" | festival --tts]]):format(self)
+        fn.jobstart(cmd)
+    end
+elseif fn.has('mac') == 1 then
+    string.play = function(self)
+        local cmd = ([[say "%s"]]):format(self)
+        fn.jobstart(cmd)
+    end
+else
+    string.play = 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
+end
 
 local M = require('Trans')
-local new_command = api.nvim_create_user_command
-new_command('Translate', function() M.translate() end, { desc = '  单词翻译', })
+local command = api.nvim_create_user_command
+
+command('Translate', function() M.translate() end, { desc = '  单词翻译', })
+command('TransPlay', function()
+    local str = M.util.get_str(api.nvim_get_mode().mode)
+    if str and str ~= '' and M.util.is_English(str) then
+        str:play()
+    end
+end, { desc = ' 自动发音' })
 
 -- new_command('TranslateInput', function() M.translate { mode = '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' })