通过底层键盘钩子实现任意按键任意数量组合成热键，只要你愿意，可以注册如a+b,1+2+3，左ctrl+右ctrl等等形式，并且支持连击热键的注册(Through the bottom keyboard hook to achieve any key, any number of combinations of hot keys, as long as you want, you can register such as a+b, 1+2+3, left ctrl+, right Ctrl and so on, and supports the registration of combo hotkey)