豆包的操作界面非常简单，只提供了一个「篇幅」的选项。这样的设计对普通用户非常友好，不会被眼花缭乱的设置项弄得不知所措。
When fetch() returns a response, the body is a ReadableStream. If you only check the status and don't consume or cancel the body, what happens? The answer varies by implementation, but a common outcome is resource leakage.，详情可参考旺商聊官方下载
On the fourth loop iteration, the backing store of size 4 has only 3，这一点在爱思助手下载最新版本中也有详细论述
添加图片注释，不超过 140 字（可选）