update element-ui version

Author: PanJiaChen

README.md

@@ -7,7 +7,7 @@
     <img src="https://img.shields.io/badge/vue-2.5.17-brightgreen.svg" alt="vue">
   </a>
   <a href="https://github.com/ElemeFE/element">
-    <img src="https://img.shields.io/badge/element--ui-2.4.6-brightgreen.svg" alt="element-ui">
+    <img src="https://img.shields.io/badge/element--ui-2.4.11-brightgreen.svg" alt="element-ui">
   </a>
   <a href="https://travis-ci.org/PanJiaChen/vue-element-admin" rel="nofollow">
     <img src="https://travis-ci.org/PanJiaChen/vue-element-admin.svg?branch=master" alt="Build Status">

README.zh-CN.md

@@ -7,7 +7,7 @@
     <img src="https://img.shields.io/badge/vue-2.5.10-brightgreen.svg" alt="vue">
   </a>
   <a href="https://github.com/ElemeFE/element">
-    <img src="https://img.shields.io/badge/element--ui-2.3.2-brightgreen.svg" alt="element-ui">
+    <img src="https://img.shields.io/badge/element--ui-2.4.11-brightgreen.svg" alt="element-ui">
   </a>
   <a href="https://travis-ci.org/PanJiaChen/vue-element-admin" rel="nofollow">
     <img src="https://travis-ci.org/PanJiaChen/vue-element-admin.svg?branch=master" alt="Build Status">

package.json

@@ -41,7 +41,7 @@
     "driver.js": "0.8.1",
     "dropzone": "5.2.0",
     "echarts": "4.1.0",
-    "element-ui": "2.4.6",
+    "element-ui": "2.4.11",
     "file-saver": "1.3.8",
     "js-cookie": "2.2.0",
     "jsonlint": "1.6.3",