iOS一款长截图app，限免，有需要的可以看看。
https://apps.apple.com/cn/app/%E6%BB%9A%E5%8A%A8%E6%88%AA%E5%B1%8F-%E6%97%A0%E9%9C%80%E6%8B%BC%E6%8E%A5%E5%BF%AB%E9%80%9F%E7%94%9F%E6%88%90%E9%95%BF%E6%88%AA%E5%9B%BE/id1494098739
