fix: 移除错误代码导致的变量覆盖

src/web/templates/weixin/tabbar.html

@@ -33,7 +33,7 @@
 <script src=//cdn-common.jianyu360.com/cdn/lib/zepto/1.2.0/zepto.min.js></script>
 <script src='{{Msg "seo" "cdn"}}/common-module/messageCenter/js/func.js?v={{Msg "seo" "version"}}'></script>
 <script>
-	var vm = new Vue({
+new Vue({
   el: '#tabMesg',
   delimiters: ['{', '}'],
   data: function () {