Is to cheat you to pay for learning unmanned live broadcast operation. Actually, it's for your tuition. As long as you pay, you will be taught some superficial things. Then it will be blocked because of a series of problems in finding out the type of fake live broadcast. It's that simple. In the end, it will make you pay more money to learn more advanced unmanned live broadcast methods, and then the live broadcast will be closed and the cycle will be infinite.