diff --git a/lua/Trans/core/buffer.lua b/lua/Trans/core/buffer.lua
index df25da3..1cc6adc 100644
--- a/lua/Trans/core/buffer.lua
+++ b/lua/Trans/core/buffer.lua
@@ -74,21 +74,6 @@ function buffer:lines(i, j)
     return api.nvim_buf_get_lines(self.bufnr, i, j, false)
 end
 
--- ---Add Extmark to buffer
--- ---@param linenr number line number should be set[one index]
--- ---@param col_start number column start
--- ---@param col_end number column end
--- ---@param hl_group string highlight group
--- ---@param ns number? highlight namespace
--- function buffer:add_extmark(linenr, col_start, col_end, hl_group, ns)
---     linenr = linenr and linenr - 1 or -1
---     api.nvim_buf_set_extmark(self.bufnr, ns or -1, linenr, col_start, {
---         end_line = linenr,
---         end_col = col_end,
---         hl_group = hl_group,
---     })
--- end
-
 ---Add highlight to buffer
 ---@param linenr number line number should be set[one index]
 ---@param hl_group string highlight group
@@ -182,6 +167,40 @@ function buffer.new()
     return new_buf
 end
 
+--- HACK :available options:
+--- - id
+--- - end_row
+--- - end_col
+--- - hl_eol
+--- - virt_text
+--- - virt_text_pos
+--- - virt_text_win_col
+--- - hl_mode
+--- - virt_lines
+--- - virt_lines_above
+--- - virt_lines_leftcol
+--- - ephemeral
+--- - right_gravity
+--- - end_right_gravity
+--- - priority
+--- - strict
+--- - sign_text
+--- - sign_hl_group
+--- - number_hl_group
+--- - line_hl_group
+--- - cursorline_hl_group
+--- - conceal
+--- - ui_watched
+
+---Add Extmark to buffer
+---@param ns number highlight namespace
+---@param linenr number line number should be set[one index]
+---@param col_start number column start
+function buffer:set_extmark(ns, linenr, col_start, opts)
+    linenr = linenr and linenr - 1 or -1
+    return api.nvim_buf_set_extmark(self.bufnr, ns, linenr, col_start, opts)
+end
+
 ---@class Trans
 ---@field buffer TransBuffer
 return buffer
diff --git a/lua/Trans/core/conf.lua b/lua/Trans/core/conf.lua
index df31deb..c691895 100644
--- a/lua/Trans/core/conf.lua
+++ b/lua/Trans/core/conf.lua
@@ -40,17 +40,17 @@ return {
         ---@class TransHoverOpts : TransFrontendOpts
         hover = {
             ---@type integer Max Width of Hover Window
-            width                  = 37,
+            width             = 37,
             ---@type integer Max Height of Hover Window
-            height                 = 27,
+            height            = 27,
             ---@type string -- see: /lua/Trans/style/spinner
-            spinner                = 'dots',
+            spinner           = 'dots',
             ---@type string
-            fallback_message       = '{{notfound}} 翻译超时或没有找到相关的翻译',
-            auto_resize            = true,
-            unlimit_sentence_width = true,
-            padding                = 10, -- padding for hover window width
-            keymaps                = {
+            fallback_message  = '{{notfound}} 翻译超时或没有找到相关的翻译',
+            auto_resize       = true,
+            split_width       = 60,
+            padding           = 10,      -- padding for hover window width
+            keymaps           = {
                 pageup       = '[[',
                 pagedown     = ']]',
                 pin          = '<leader>[',
@@ -59,13 +59,13 @@ return {
                 -- play         = '_', -- Deprecated
             },
             ---@type string[] auto close events
-            auto_close_events      = {
+            auto_close_events = {
                 'InsertEnter',
                 'CursorMoved',
                 'BufLeave',
             },
             ---@type table<string, string[]> order to display translate result
-            order                  = {
+            order             = {
                 default = {
                     'str',
                     'translation',
@@ -87,7 +87,7 @@ return {
                 }
             },
             ---@type table<string, string>
-            icon                   = {
+            icon              = {
                 -- or use emoji
                 list        = '●', -- ● | ○ | ◉ | ◯ | ◇ | ◆ | ▪ | ▫ | ⬤ | 🟢 | 🟡 | 🟣 | 🟤 | 🟠| 🟦 | 🟨 | 🟧 | 🟥 | 🟪 | 🟫 | 🟩 | 🟦
                 star        = '', -- ⭐ | ✴ | ✳ | ✲ | ✱ | ✰ | ★ | ☆ | 🌟 | 🌠 | 🌙 | 🌛 | 🌜 | 🌟 | 🌠 | 🌌 | 🌙 |
diff --git a/lua/Trans/core/util.lua b/lua/Trans/core/util.lua
index 9e4b527..bcd99f9 100644
--- a/lua/Trans/core/util.lua
+++ b/lua/Trans/core/util.lua
@@ -219,7 +219,6 @@ function M.list_fields(list, field)
     return ret
 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 4e3c266..a26abaf 100644
--- a/lua/Trans/frontend/hover/init.lua
+++ b/lua/Trans/frontend/hover/init.lua
@@ -209,7 +209,11 @@ function M:process(data)
     local window = self.window
     if window and window:is_valid() then
         if opts.auto_resize then
-            display_size.width = math.min(opts.width, display_size.width + opts.padding)
+            display_size.width = math.max(
+                math.min(opts.width, display_size.width + opts.padding),
+                math.min(data.str:width(), opts.split_width)
+            )
+
         else
             display_size.width = nil
         end
diff --git a/lua/Trans/util/node.lua b/lua/Trans/util/node.lua
index f6abac0..a3573a4 100644
--- a/lua/Trans/util/node.lua
+++ b/lua/Trans/util/node.lua
@@ -83,7 +83,6 @@ local function format(args)
     return text(args)
 end
 
-
 ---@class TransUtil
 ---@field node TransNodes