Features added with V1.210
==========================
date:2018.4.18
1. 修复长时间运行后可能出现接收数据缓慢问题；
Features added with V1.209
==========================
date:2018.4.5
1. 修复win server 2012下程序可能卡死问题。
Features added with V1.208
==========================
date:2018.3.19
1. 优化打开配置，设备对应的串口号保持原有绑定；
Features added with V1.207
==========================
date:2018.1.30
1. 启动服务器时增加进度提示框，防止界面无响应；
Features added with V1.206
==========================
date:2017.12.07
1. 修复对DTU ZWG-20IE 设备发送数据失败问题；
Features added with V1.205
==========================
date:2017.11.15
1. 修复最多只能创建成功8个虚拟串口的问题；
Features added with V1.204
==========================
date:2017.10.25
1. 修复XP系统下只能创建成功一个虚拟串口的问题；
Features added with V1.203
==========================
date:2017.10.18
1. 修改驱动，修复开启服务电脑蓝屏问题；
2. 修复停止服务，串口工具对虚拟串口发送数据卡死问题；
Features added with V1.202
==========================
date:2017.10.09
1. 修改驱动，防止创建的COM号与设备管理器的不对应；
2. 配置文件记录虚拟串口数量和对应的索引号，防止导入到其他电脑，找不到对应串口问题；
Features added with V1.201
==========================
date:2017.09.29
1. 修改驱动安装过程，防止虚拟串口卸载不干净；
Features added with V1.200
==========================
date:2017.08.23
1. 安装包同时兼容X86和X64系统；
2. 修复程序卸载时开始菜单快捷方式不能卸载问题;
3. 优化驱动安装过程；
4. 删除自动升级功能；
5. 修改界面删除所有驱动为删除所有虚拟串口；
