diff --git a/examples/simple.js b/examples/simple.js
index af72a7c..8bd76f3 100644
--- a/examples/simple.js
+++ b/examples/simple.js
@@ -1,4 +1,4 @@
-// use jsx to render html, do not modify simple.html
+/* eslint-disable no-console */
 import 'rc-notification/assets/index.less';
 import Notification from 'rc-notification';
 import React from 'react';
diff --git a/package.json b/package.json
index b24b0ee..8092ec6 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
   "dependencies": {
     "classnames": "2.x",
     "rc-animate": "2.x",
-    "rc-util": "3.x"
+    "rc-util": "4.0.2"
   },
   "pre-commit": [
     "lint"