我使用以下代码设置了一个CKSubscription:NSPredicate*predicate=[NSPredicatepredicateWithFormat:@"TRUEPREDICATE"];CKSubscription*subscription=[[CKSubscriptionalloc]initWithRecordType:@"RecordTypeName"predicate:predicatesubscriptionID:@"Subscription1"options:CKSubscriptionOptionsFiresOnRecordCreation|CKSubscrip