diff --git a/lua/.luarc.json b/lua/.luarc.json
index 74e1772..aa41fed 100644
--- a/lua/.luarc.json
+++ b/lua/.luarc.json
@@ -6,7 +6,9 @@
     ],
     "Lua.diagnostics.globals": [
         "vim",
-        "user_conf"
+        "user_conf",
+        "describe",
+        "it"
     ],
     "Lua.workspace.checkThirdParty": false
 }
diff --git a/lua/Trans/core/conf.lua b/lua/Trans/core/conf.lua
index 4692c84..fc7fe16 100644
--- a/lua/Trans/core/conf.lua
+++ b/lua/Trans/core/conf.lua
@@ -55,7 +55,6 @@ return {
             fallback_message  = '{{notfound}} 翻译超时或没有找到相关的翻译',
             auto_resize       = true,
             -- strict_sentence_width = false,
-            -- strict = false, -- TODO :No Width limit when str is a sentence
             padding           = 10, -- padding for hover window width
             keymaps           = {
                 pageup       = '[[',
diff --git a/lua/Trans/core/frontend.lua b/lua/Trans/core/frontend.lua
index 169af0c..f6bd109 100644
--- a/lua/Trans/core/frontend.lua
+++ b/lua/Trans/core/frontend.lua
@@ -10,6 +10,7 @@ local function set_frontend_keymap(frontend)
     local keymap_opts = {
         silent = true,
         -- expr = true,
+        -- nowait = true,
     }
 
     for action, key in pairs(frontend.opts.keymaps) do
diff --git a/lua/Trans/core/window.lua b/lua/Trans/core/window.lua
index e17086b..7d20e71 100644
--- a/lua/Trans/core/window.lua
+++ b/lua/Trans/core/window.lua
@@ -111,7 +111,6 @@ function window:resize(opts)
     end
 end
 
-
 ---Try to close window with animation?
 function window:try_close()
     local close_animation = self.animation.close
@@ -133,8 +132,9 @@ end
 ---Set window local highlight group
 ---@param name string
 ---@param opts table highlight config
-function window:set_hl(name, opts)
-    api.nvim_set_hl(self.ns, name, opts)
+---@param ns integer namespace
+function window:set_hl(name, opts, ns)
+    api.nvim_set_hl(ns, name, opts)
 end
 
 ---Open window with animation?
@@ -184,11 +184,20 @@ local default_opts = {
 ---@field buffer TransBuffer attached buffer object
 ---@field win_opts table window config [**When open**]
 ---@field winid integer window handle
----@field ns integer namespace for highlight
 ---@field enter boolean cursor should [enter] window when open
 ---@field animation
 ---|{open: string | boolean, close: string | boolean, interval: integer} Hover Window Animation
 
+-- local win_opt   = {
+--     zindex    = zindex,
+--     width     = width,
+--     height    = height,
+--     col       = col,
+--     row       = row,
+--     border    = border,
+--     title     = title,
+--     relative  = relative,
+-- }
 
 ---Create new window
 ---@param opts TransWindowOpts window config
@@ -206,13 +215,3 @@ end
 ---@class Trans
 ---@field window TransWindow
 return window
--- local win_opt   = {
---     zindex    = zindex,
---     width     = width,
---     height    = height,
---     col       = col,
---     row       = row,
---     border    = border,
---     title     = title,
---     relative  = relative,
--- }
diff --git a/lua/Trans/frontend/hover/init.lua b/lua/Trans/frontend/hover/init.lua
index f0d7bc1..1e60836 100644
--- a/lua/Trans/frontend/hover/init.lua
+++ b/lua/Trans/frontend/hover/init.lua
@@ -74,7 +74,6 @@ function M:init_window(opts)
     opts = opts or {}
     local m_opts = self.opts
     local option = {
-        ns = self.ns,
         buffer = self.buffer,
         animation = m_opts.animation,
     }
@@ -179,9 +178,7 @@ end
 ---@param data TransData
 ---@overload fun(result:TransResult)
 function M:process(data)
-    if self.pin then
-        return
-    end
+    if self.pin then return end
 
     local result, name = data:get_available_result()
     if not result then
diff --git a/lua/test/demo_spec.lua b/lua/test/demo_spec.lua
new file mode 100644
index 0000000..c3a6de4
--- /dev/null
+++ b/lua/test/demo_spec.lua
@@ -0,0 +1,5 @@
+describe('Test Demo', function()
+    it('should work', function()
+        print('hello')
+    end)
+end)
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..3a80591
--- /dev/null
+++ b/makefile
@@ -0,0 +1,4 @@
+.PHONE: test
+
+test:
+	nvim -headless -c 'TODO: '