Since it is a master's thesis, of course, it can't be a textbook system made by undergraduates. In fact, how about a system, using the technology of Duo Niu X is the second, but your business logic is very important. Even if you don't know struts, spring and other messy frameworks, if you write a banking system with jsp+javabean, your work must be excellent, because your business logic is very complicated. Technology is constantly updated, but business design is really useful for life after learning it. Therefore, it is suggested to start from the business and find some systems with complex business logic, such as framework technology, which should be used at an appropriate time, instead of gilding the lily and affecting the system performance.