vue data is not updated in getters solution

　　In Vue.js devtools see, we have clearly changed the state of the data warehouse, but our getters is the value after the rendering time is no longer re-rendering

　　Workaround: Use vue.set () method, is specifically designed to solve this problem

　　We just need to want to change attributes, put inside it

　　Case Scenario

　　In the vuex 

　　mutations objects

　　

　　

　　Use getters