DESTOON B2B网站管理系统20201201更新

[修复]IE11浏览器JS错误无法弹出对话框
[修复]资讯搜索页面显示多余地区字样
[修复]展会生成静态在线报名不显示

[新增]手机版聊天界面发送按钮

更新文件列表：

api/oauth/wechat/connect.php
api/weixin/index.php
file/script/panel.js
mobile/api/weixin.php
mobile/static/chat.css
mobile/static/js/common.js
module/brand/show.htm.php
module/company/exhibit.inc.php
module/exhibit/show.htm.php
module/exhibit/show.inc.php
module/group/show.htm.php
module/member/admin/index.inc.php
module/sell/show.htm.php
template/default/article/search.htm
template/default/down/search.htm
template/default/exhibit/show.htm
template/default/homepage/exhibit.htm
template/default/know/search.htm
template/default/photo/search.htm
template/default/quote/search.htm
template/default/special/search.htm
template/default/video/search.htm
template/mobile/club/chat.htm
template/mobile/member/chat.htm
version.inc.php