NSMutableData *data = [NSMutableData dataWithLength:arr.size];
l00777 0 0 0 /media - run/media
，这一点在safew官方版本下载中也有详细论述
ConsThe company has set up an automatic renewal system. This can result in costs for you even though you are not using the service.
But after years of building on Web streams – implementing them in both Node.js and Cloudflare Workers, debugging production issues for customers and runtimes, and helping developers work through far too many common pitfalls – I've come to believe that the standard API has fundamental usability and performance issues that cannot be fixed easily with incremental improvements alone. The problems aren't bugs; they're consequences of design decisions that may have made sense a decade ago, but don't align with how JavaScript developers write code today.