求大佬帮帮，微信小程序一次性上传多张图片之后，怎么只渲染生成第一张图片？

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求大佬帮帮，微信小程序一次性上传多张图片之后，怎么只渲染生成第一张图片？Please help me, how can I only render the first image after uploading multiple images at one time in the WeChat applet?

Now I will render every picture to the home page. I want to render only the first one. Please help me. Thank you very much

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