diff --git a/lua/Trans/backend/youdao.lua b/lua/Trans/backend/youdao.lua
index 059f773..d9d967b 100644
--- a/lua/Trans/backend/youdao.lua
+++ b/lua/Trans/backend/youdao.lua
@@ -152,9 +152,6 @@ function M.formatter(body, data)
         },
         web      = body.web,
         explains = body.basic.explains,
-        -- phrases                                               = body.phrases,
-        -- synonyms                                              = body.synonyms,
-        -- sentenceSample                                        = body.sentenceSample,
         [data.from == 'en' and 'translation' or 'definition'] = body.translation,
     }
 
diff --git a/lua/Trans/core/conf.lua b/lua/Trans/core/conf.lua
index bd2127f..4692c84 100644
--- a/lua/Trans/core/conf.lua
+++ b/lua/Trans/core/conf.lua
@@ -14,13 +14,13 @@ end
 ---@class TransConf
 return {
     ---@type string the directory for database file and password file
-    dir      = os.getenv('HOME') .. '/.vim/dict',
-    query    = 'fallback',
-    debug    = true,
-    -- backend_order = {},
+    dir           = os.getenv('HOME') .. '/.vim/dict',
+    query         = 'fallback',
+    debug         = true,
     ---@type 'default' | 'dracula' | 'tokyonight' global Trans theme [see lua/Trans/style/theme.lua]
-    theme    = 'default', -- default | tokyonight | dracula
-    strategy = {
+    theme         = 'default', -- default | tokyonight | dracula
+    backend_order = nil,
+    strategy      = {
         ---@type { frontend:string, backend:string | string[] } fallback strategy for mode
         default = {
             frontend = 'hover',
@@ -28,14 +28,13 @@ return {
         },
     },
     ---@type table frontend options
-    frontend = {
+    frontend      = {
         ---@class TransFrontendOpts
         ---@field keymaps table<string, string>
         default = {
-            ---@type boolean Whether to auto play the audio
-            auto_play = true,
             border = 'rounded',
-            title = title, -- need nvim-0.9
+            title = title, -- need nvim-0.9+
+            auto_play = true,
             ---@type {open: string | boolean, close: string | boolean, interval: integer} Hover Window Animation
             animation = {
                 open = 'slid', -- 'fold', 'slid'
@@ -55,6 +54,7 @@ return {
             ---@type string -- TODO :support replace with {{special word}}
             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           = {
@@ -96,18 +96,18 @@ return {
             ---@type table<string, string>
             icon              = {
                 -- or use emoji
-                list        = '●', -- ● | ○ | ◉ | ◯ | ◇ | ◆ | ▪ | ▫ | ⬤ | 🟢 | 🟡 | 🟣 | 🟤 | 🟦 | 🟨 | 🟧 | 🟥 | 🟪 | 🟫 | 🟩 | 🟠 | 🟦 | 🟨 | 🟧 | 🟥 | 🟪 | 🟫 | 🟩 | 🟠
+                list        = '●', -- ● | ○ | ◉ | ◯ | ◇ | ◆ | ▪ | ▫ | ⬤ | 🟢 | 🟡 | 🟣 | 🟤 | 🟠| 🟦 | 🟨 | 🟧 | 🟥 | 🟪 | 🟫 | 🟩 | 🟦
                 star        = '', -- ⭐ | ✴ | ✳ | ✲ | ✱ | ✰ | ★ | ☆ | 🌟 | 🌠 | 🌙 | 🌛 | 🌜 | 🌟 | 🌠 | 🌌 | 🌙 |
                 notfound    = ' ', --❔ | ❓ | ❗ | ❕|
                 yes         = '✔', -- ✅ | ✔️ | ☑
                 no          = '', -- ❌ | ❎ | ✖ | ✘ | ✗ |
-                cell        = '■', -- ■  | □ | ▇ | ▏ ▎ ▍ ▌ ▋ ▊ ▉ █
+                cell        = '■', -- ■  | □ | ▇ | ▏ ▎ ▍ ▌ ▋ ▊ ▉
                 web         = '󰖟', --🌍 | 🌎 | 🌏 | 🌐 |
                 tag         = '',
                 pos         = '',
-                translation = '󰊿',
-                definition  = '󰗊',
                 exchange    = '',
+                definition  = '󰗊',
+                translation = '󰊿',
             },
         },
     },
diff --git a/lua/Trans/core/data.lua b/lua/Trans/core/data.lua
index 6d479b6..247f428 100644
--- a/lua/Trans/core/data.lua
+++ b/lua/Trans/core/data.lua
@@ -47,8 +47,7 @@ function M.new(opts)
         data.to = 'en'
     end
 
-    -- FIXME : Check if the str is a word
-    data.is_word = true
+    data.is_word = Trans.util.is_word(str)
 
     return data
 end
diff --git a/lua/Trans/core/translate.lua b/lua/Trans/core/translate.lua
index 0959d69..6eb709f 100644
--- a/lua/Trans/core/translate.lua
+++ b/lua/Trans/core/translate.lua
@@ -60,6 +60,7 @@ local strategy = {
         local update = data.frontend:wait()
         for _, backend in ipairs(data.backends) do
             do_query(data, backend)
+
             local name = backend.name
             ---@cast backend TransBackend
             while result[name] == nil do
diff --git a/lua/Trans/core/util.lua b/lua/Trans/core/util.lua
index 2cfbeb6..439e98a 100644
--- a/lua/Trans/core/util.lua
+++ b/lua/Trans/core/util.lua
@@ -181,6 +181,14 @@ function M.visible_lines(opts)
     return api.nvim_buf_get_lines(0, _start, _end, false)
 end
 
+---Detect whether the string is a word
+---@param str string
+---@return boolean
+function M.is_word(str)
+    return str:match('%w+') == str
+end
+
+
 ---@class Trans
 ---@field util TransUtil
 return M
diff --git a/lua/Trans/frontend/hover/init.lua b/lua/Trans/frontend/hover/init.lua
index 479ba4f..f0d7bc1 100644
--- a/lua/Trans/frontend/hover/init.lua
+++ b/lua/Trans/frontend/hover/init.lua
@@ -1,3 +1,4 @@
+---@type Trans
 local Trans = require("Trans")
 
 -- FIXME :Adjust Window Size
@@ -103,7 +104,7 @@ end
 ---@return string formatted text
 ---@return integer _ replaced count
 function M:icon_format(format)
-    return format:gsub("{{(%w+)}}", self.opts.icon, 1)
+    return format:gsub("{{(%w+)}}", self.opts.icon)
 end
 
 ---Get Check function for waiting
@@ -162,12 +163,13 @@ function M:defer()
     local auto_close_events = self.opts.auto_close_events
     if auto_close_events then
         vim.api.nvim_create_autocmd(auto_close_events, {
-            once = true,
-            callback = function()
-                if self.pin then
-                    return
-                end
-                self:destroy()
+            callback = function(opts)
+                vim.defer_fn(function()
+                    if not self.pin and vim.api.nvim_get_current_win() ~= self.window.winid then
+                        pcall(vim.api.nvim_del_autocmd, opts.id)
+                        self:destroy()
+                    end
+                end, 0)
             end,
         })
     end
@@ -213,6 +215,7 @@ function M:process(data)
         else
             display_size.width = nil
         end
+
         window:resize(display_size)
     else
         window = self:init_window {
diff --git a/lua/Trans/init.lua b/lua/Trans/init.lua
index 902c636..5e961f1 100644
--- a/lua/Trans/init.lua
+++ b/lua/Trans/init.lua
@@ -22,7 +22,6 @@ end
 ---@field style table @Style module
 ---@field cache table<string, TransData> @Cache for translated data object
 ---@field modes string[] @all modes name
-
 local M = metatable("core", {
     cache = {},
     style = metatable("style"),