【BUG】Upload 图片缩略图不显示

[chengyadong]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.3.10

Environment

macOS 10.14.5, Chrome 75.0.3770.100, Vue 2.6.10

Reproduction link

https://github.com/vueComponent/ant-design-vue/blob/master/components/upload/UploadList.jsx

Steps to reproduce

使用a-upload 上传图片时，缩略图无法实时显示。再次上传图片才会显示。

What is expected?

上传时图片正确显示

What is actually happening?

缩率图无法显示

---

previewFile方法中判断图片类型有误，且非图片类型仍然执行后续操作

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[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.