该设计主要是在Windows XP SP2中，利用Windows XP SP1 DDK和HOOK来实现的。通过验证USB设备的数据，来控制系统的锁定与解锁。-The design is mainly Windows XP SP2, Windows XP SP1 DDK and HOOK. By verifying the data of a USB device, the control system lock and unlock.

改变界面时钟位置以及布局，通过逆向System文件来获取系统显示时钟的函数并进行hook修改(Change the location and layout of the interface clock, get the function of the system display clock by reverse System file and modify the hook)

这个hook框架substrate，主要运用于android系统，它既可以用于java语言的hook，也可以用于c-c++语言的hook。(This hook framework, substrate, is mainly used in the Android system, which can be used not only in the hook of the Java language, but also in the hook of the c-c++ language.)