If I use Vuex, is that means it's better to store every data in the vuex/state? I have a little confused, some data I get from API (for example UserDetail), I don't need it be shared in components or I counld easily pass it as props. Should I keep that kind of data in Vuex/State? Why not get the data by Promise or only use Vuex/Action/Promise?
Data should be kept as local as possible. That's a general principle that helps reduce complexity. Vuex should handle data that needs to be shared among not-closely-related components.
来源：https://stackoverflow.com/questions/43801873/should-i-store-all-the-data-in-vuex-state