diff --git a/packages/omi/test/index.test.js b/packages/omi/test/index.test.js
index 1e26873be..3d2cd7796 100644
--- a/packages/omi/test/index.test.js
+++ b/packages/omi/test/index.test.js
@@ -1,5 +1,6 @@
 import { getUpdatePath } from '../src/define'
 import { matchGlobalData, needUpdate, fixPath } from '../src/render'
+import { npn, nProps } from '../src/util'
 //proxy test
 //https://github.com/Palindrom/JSONPatcherProxy/blob/master/test/spec/proxySpec.js
 
@@ -16,7 +17,6 @@ test('getUpdatePath', () => {
   path = getUpdatePath({ a: 1, b: { c: null } })
   expect(path).toEqual({ a: true, 'b.c': true })
 
-
   path = getUpdatePath({ a: 1, b: { c: [] }, d: {} })
   expect(path).toEqual({ a: true, 'b.c': true, d: true })
 
@@ -31,8 +31,6 @@ test('getUpdatePath', () => {
   expect(path).toEqual({ a: true, 'b.c[1]': true, 'b.c[0].e': true, d: true })
 })
 
-
-
 test('matchGlobalData', () => {
 
   expect(matchGlobalData(['a'], { a: 1 })).toEqual(true)
@@ -47,8 +45,6 @@ test('matchGlobalData', () => {
 
 })
 
-
-
 test('needUpdate', () => {
   const path = { 'a': true, 'b.c': true, 'd[2][1]': true }
   expect(needUpdate({ a: 1 }, path)).toEqual(true)
@@ -67,10 +63,17 @@ test('needUpdate', () => {
 
 })
 
-
-
 test('fixPath', () => {
   const path = '/a/b/2/d/e'
   expect(fixPath(path)).toEqual('a.b[2].d.e')
   expect(fixPath('/a/b/1/2/3')).toEqual('a.b[1][2][3]')
+})
+
+test('npn', () => {
+  expect(npn('ab-cd')).toEqual('abCd')
+  expect(npn('ab-cd-ef')).toEqual('abCdEf')
+})
+
+test('nProps', () => {
+  expect(nProps({ a: { value: 1 }, b: { value: 2 }, abC: { value: 3 } })).toEqual({ a: 1, b: 2, abC: 3 })
 })
\ No newline at end of file