docs: modify readme file

lua/Trans/component/offline/Translation.lua

@@ -1,6 +1,6 @@
 local M = {}
 
-M.component = function(field)
+M.component = function(field, max_size)
     if field.translation then
         local ref = {
             { '中文翻译', 'TransRef' }
@@ -12,8 +12,13 @@ M.component = function(field)
             emptyline = true,
             needformat = true,
         }
+        local size = 0
         for trans in vim.gsplit(field.translation, '\n', true) do
+            size = size + 1
             table.insert(translations, trans)
+            if size == max_size then 
+                break
+            end
         end
 
         return { ref, translations }

lua/Trans/conf/default.lua

@@ -4,13 +4,13 @@ M.conf = {
     style = {
         ui = {
             input = 'float',
-            normal = 'cursor',
-            select = 'cursor'
+            n = 'cursor',
+            v = 'cursor',
         },
         window = {
             cursor = {
                 border = 'rounded',
-                width = 50,
+                width = 40,
                 height = 50,
             },
             float = {
@@ -18,14 +18,9 @@ M.conf = {
                 width = 0.9,
                 height = 0.8,
             },
-            -- NOTE :如果你想限制某个组件的行数，可以设置 (名称与order相同)
-            -- Example:
-            -- limit = {
-            --     En = 1, -- 只显示第一行，（一般为最广泛的释义）
-            -- },
-            limit = nil,
         },
     },
+
     order = {
         offline = {
             'Title',
@@ -33,6 +28,7 @@ M.conf = {
             'Pos',
             'Exchange',
             'Translation',
+            -- NOTE :如果你想限制某个组件的行数，可以设置max_size
             -- { 'Definition', max_size = 4 },
         },
         -- online = {

lua/Trans/core/translate.lua

@@ -4,14 +4,13 @@ local core = require("Trans.core")
 
 
 local function get_opts(opts)
+
+    local mode = vim.api.nvim_get_mode().mode
     local default_conf = {
-        method = vim.api.nvim_get_mode().mode,
-        engine = {
-            'offline',
-            -- TODO : other engine
-        },
+        method = mode,
+        engine = conf.base.engine,
         win = {
-            style = 'cursor',
+            style = conf.style.ui[opts.method or mode],
             width = conf.style.window.cursor.width,
             height = conf.style.window.cursor.height
         },
@@ -36,7 +35,6 @@ local function get_opts(opts)
     return vim.tbl_extend('force', default_conf, opts)
 end
 
-
 -- EXAMPLE :
 -- require('Trans').translate({
 --     method = 'input', -- 不填则自动判断mode获取查询的单词
@@ -85,7 +83,6 @@ local function create_win(win)
     return bufnr, winid
 end
 
-
 local function translate(opts)
     vim.validate {
         opts = { opts, 'table', true }