With the continuous expansion of teaching video business, the system can be foreseen in the future, and there will be problems in the secondary development of function update and function addition; therefore, when designing the system, it is necessary to be able to achieve loose coupling of modules [25], achieve strong expansibility, achieve the expansibility goal of the system, and then it can cope with the variability of education demand [26], and upgrade and function overlap of the system in the future Get ready for you.