diff --git a/src/lib/font.js b/src/lib/font.js
index fa0d4ed..9393147 100644
--- a/src/lib/font.js
+++ b/src/lib/font.js
@@ -8,7 +8,17 @@ import { Controller } from './base.js'
 import { DEFAULT_OPTIONS } from './config.js'
 
 export class Font extends Controller {
+  #fontface = new Controller(DEFAULT_OPTIONS.fontface)
+
   constructor(opt) {
     super(Object.assign({}, DEFAULT_OPTIONS.font, opt))
   }
+
+  get fontFace() {
+    return this.#fontface
+  }
+
+  set fontFace(opt = {}) {
+    this.#fontface = new Controller(opt)
+  }
 }
diff --git a/src/lib/utils.js b/src/lib/utils.js
new file mode 100644
index 0000000..e9892b2
--- /dev/null
+++ b/src/lib/utils.js
@@ -0,0 +1,55 @@
+/**
+ * {}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2024/02/22 18:38:26
+ */
+
+/**
+ * 字体里面的unicode千奇百怪有很多种形式，需要进行转换成16进制的unicode
+ * 返回最终的16进制值组成的字符串
+ */
+export function str2unicode(str) {
+  //没有管\\u的情况
+  str = str.replace(/&#(x?[a-f\d]+)(;?)/gi, function (m, u) {
+    let HEX_BASE = 10
+    if (u.indexOf('x') === 0) {
+      HEX_BASE = 16
+      u = u.substr(1)
+    }
+    return String.fromCodePoint(parseInt(u, HEX_BASE))
+  })
+  //将ascii码转换成unicode
+  str = str.replace(/[\x00-\xff]/g, s => `&#${s.codePointAt(0)};`)
+  //将汉字转成unicode
+  str = str.replace(/[^\u0000-\u00FF]/g, _ => {
+    return escape(_).replace(/(%u)(\w{4})/gi, '&#x$2;')
+  })
+  //将十进制的unicode转换成16进制的。
+  str = str.replace(/\&\#(\d+)/g, (_, n) => `&#x${(+n).toString(16)}`)
+
+  return str
+}
+
+export function toUnicode(str) {
+  let uArray = str2unicode(str)
+  uArray = uArray.split(';')
+  uArray.pop()
+  return uArray.map(n => n + ';')
+}
+
+export function normalizeUnicode(str) {
+  return toUnicode(str)[0]
+}
+
+export function toLine(str) {
+  return str.replace(/([A-Z]{1})/g, (_, s) => '-' + s.toLowerCase())
+}
+
+export function key2underline(obj) {
+  let result = {}
+  for (let k in obj) {
+    k = toLine(k)
+    result[k] = obj[k]
+  }
+  return result
+}
diff --git a/test/index.js b/test/index.js
index f1dadac..05b0c45 100644
--- a/test/index.js
+++ b/test/index.js
@@ -5,10 +5,13 @@
  */
 
 import { svg2ttf } from '../src/index.js'
+import { toUnicode } from '../src/lib/utils.js'
 import fs from 'iofs'
 
-let svg = fs.cat('test/game.svg').toString()
+// let svg = fs.cat('test/game.svg').toString()
 
-let ttf = svg2ttf(svg)
+// let ttf = svg2ttf(svg)
 
 // console.log(ttf)
+
+console.log(toUnicode('哈哈'))