diff --git a/www/js/vis.js b/www/js/vis.js
index 55d7ff9..e30cbfc 100644
--- a/www/js/vis.js
+++ b/www/js/vis.js
@@ -34,6 +34,7 @@
 /* global moment */
 /* jshint -W097 */// jshint strict:false
 'use strict';
+
 if (typeof systemDictionary !== 'undefined') {
     $.extend(systemDictionary, {
         'No connection to Server':  {'en': 'No connection to Server',   'cn': '未连接服务器'},