谦君 (@Aerry)前端大佬救救 中发帖

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这三种方式我都试过了, 都会报错
gameStore.pendingActivities.push(buildingActivity)
gameStore.$patch((state) => {
state.pendingActivities.push(buildingActivity)
})
gameStore.pendingActivities = […gameStore.pendingActivities, buildingActivity]