(This tutorial has seven parts. It starts with tiktok mechanism, enters the jitter, and goes deep into the underlying logic, announces the operation mode and method of opening the number to you, and refines the content planning of operation, whether it is positioning or cash in. Various implementation details of login are in these 7 tutorials. After reading, think carefully, put what you have learned into practice, move forward step by step, and follow the teacher's progress, it won't be too bad.)