写了个云函数，先删除A集合的某条数据，再去更新B集合的某条数据，B集合的操作死活没反应？

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写了个云函数，先删除A集合的某条数据，再去更新B集合的某条数据，B集合的操作死活没反应？I wrote a cloud function, first delete a certain piece of data in the A collection, and then update a certain piece of data in the B collection, the operation of the B collection is dead or alive?

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