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下载图片时数组越界闪退 #47

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@coder-Jackie

Description

您好,在 - (void)downloadImages:(int)index 中,将NSBlockOperation添加到NSOperationQueue中默认是并发执行的,因此会发生数组越界的问题,这里可以设置NSOperationQueue的最大并发数为1 或者添加依赖使NSBlockOperation串行执行

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