diff --git a/src/constant/constant.spec.js b/src/constant/constant.spec.js
new file mode 100644
index 0000000..0320e2c
--- /dev/null
+++ b/src/constant/constant.spec.js
@@ -0,0 +1,25 @@
+/* eslint max-nested-callbacks: off */
+/* eslint-env mocha */
+/* global expect */
+
+import angular from 'angular';
+import 'angular-mocks';
+
+import ConfExample from './conf.example';
+
+describe('Constant 常量定义', function () {
+  const { module, inject } = angular.mock;
+
+  beforeEach(function () {
+    module(ConfExample);
+  });
+
+  describe('检查常量', function () {
+    it('检查常量的值', function () {
+      inject(function (USER_JWT_TOKEN, LOCALSTORAGE_PREFIX) {
+        expect(USER_JWT_TOKEN).to.equal('USER_JWT_TOKEN');
+        expect(LOCALSTORAGE_PREFIX).to.equal('LOCALSTORAGE');
+      });
+    });
+  });
+});