// 1. 将当日价格存入数组，记录当前索引（i是当前价格在arr中的位置）
new ReadableStream({
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https://blogs.gnome.org/gtk/files/2026/02/Screencast-From-2026-02-24-20-45-33.webm
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· 周杰 · 来源：user资讯