diff --git a/src/lib/utils.js b/src/lib/utils.js
index e9892b2..f0e9a47 100644
--- a/src/lib/utils.js
+++ b/src/lib/utils.js
@@ -30,6 +30,20 @@ export function str2unicode(str) {
   return str
 }
 
+//驼峰转换为连字符线风格
+export function hyphen(target) {
+  return target.replace(/([a-z\d])([A-Z]+)/g, '$1-$2').toLowerCase()
+}
+
+//连字符转换为驼峰风格
+export function camelize(target) {
+  //提前判断，提高效率
+  if (target.indexOf('-') < 0) {
+    return target
+  }
+  return target.replace(/\-([a-z])/g, (m, s) => s.toUpperCase())
+}
+
 export function toUnicode(str) {
   let uArray = str2unicode(str)
   uArray = uArray.split(';')
@@ -41,15 +55,12 @@ 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]
+    let v = obj[k]
+    k = hyphen(k)
+    result[k] = v
   }
   return result
 }
diff --git a/test/index.js b/test/index.js
index 05b0c45..58a1640 100644
--- a/test/index.js
+++ b/test/index.js
@@ -5,7 +5,7 @@
  */
 
 import { svg2ttf } from '../src/index.js'
-import { toUnicode } from '../src/lib/utils.js'
+import { toUnicode, key2underline, normalizeUnicode } from '../src/lib/utils.js'
 import fs from 'iofs'
 
 // let svg = fs.cat('test/game.svg').toString()
@@ -14,4 +14,6 @@ import fs from 'iofs'
 
 // console.log(ttf)
 
-console.log(toUnicode('哈哈'))
+console.log(toUnicode('哈哈'), normalizeUnicode('哈哈'))
+console.log(toUnicode('哈'), normalizeUnicode(toUnicode('哈')[0]))
+console.log(key2underline({ fooBar: '大', FooGoo: '圭' }))