V2.1

1.修复了自动赋予窗口焦点失败的问题
2.修复了部分情况下无法正确启动TS3的问题
3.修复了部分性能表现

1. Fixed the problem that automatically giving window focus failed.
2. Fixed the problem that TS3 could not be started correctly in some cases.
3. Fixed some performance.