app.config.globalProperties.变量名
const mitterBus = currentInstance.appContext.config.globalProperties.mitterBus
const win: any = window
if (process.env.NODE_ENV === 'development') {
if ('__VUE_DEVTOOLS_GLOBAL_HOOK__' in win) {
win.__VUE_DEVTOOLS_GLOBAL_HOOK__.Vue = app
}
}