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集成环信UI,每次走到- (void)findObjectsInBackgroundWithBlock:(PF_NULLABLE PFArrayResultBlock)block;方法就崩溃

- (void)findObjectsInBackgroundWithBlock:(PF_NULLABLE PFArrayResultBlock)block;
已邀请:

wangjun - 90后 IT青年

崩溃原因是 reason: '*** setObjectForKey: key cannot be nil'

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