Property or method "flag" is not defined on the instance but referenced during render. Make sure tha

Property or method "flag" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property. See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.

found in

--->  at src/components/inspectticket/trip.vue
        at src/App.vue
         

flag冲突了