// Synchronously enqueue — this never applies backpressure
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.
，详情可参考快连下载-Letsvpn下载
3014271110http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142711.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142711.html11921 长久守牢不发生规模性返贫致贫的底线（权威访谈）
Step 1: cmdFetchCart returned {