Nemo

考虑到cell的复用问题; 建议您这里修改下, 优先更新模型数据, 再更新UI数据

### 抱歉, 注释写的不是很清楚, 补了些注释, 看下还有什么疑问吗? // 数据 NSArray *urls = @[ @"http://teaching.csse.uwa.edu.au/units/CITS4401/practicals/James1_files/SPMP1.pdf", @"http://down.51rc.com/dwndoc/WrittenExamination/WrittenExperiences/dwn00006795.doc", @"http://video1.remindchat.com/20190905/1gEji0Sv/mp4/1gEji0Sv.mp4", @"https://www.sample-videos.com/video123/mp4/720/big_buck_bunny_720p_20mb.mp4", @"http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4", @"http://mirror.aarnet.edu.au/pub/TED-talks/911Mothers_2010W-480p.mp4", ]; self.title = @"点击Cell开始/暂停下载"; LMJWeak(self); // 遍历URL个数创建对应的模型数组 [urls enumerateObjectsUsingBlock:^(NSString * _Nonnull obj, NSUInteger...

### 尝试用了您这边的数据试了试, 应该是可以的; 建议您参考下cell的数据刷新和赋值模型数据的逻辑   

明天demo发下哦, 上传到您自己的github的仓库

🐂🍺

Undefined symbols for architecture arm64: "_make_fcontext", referenced from: folly::fibers::FiberImpl::FiberImpl(folly::Function, unsigned char*, unsigned long) in Fiber.o "folly::detail::crc32c_combine_hw(unsigned int, unsigned int, unsigned long)", referenced from: folly::crc32c_combine(unsigned int, unsigned int, unsigned long) in...