预览关闭后，无法批量下载

[souvenp]

Describe the bug
A clear and concise description of what the bug is.
if preview is closed, it cannot be downloaded in batches. file are corrupted

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
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使用的是SharePoint，版本是最新版本3.8.3，如果开启预览则批量下载正常
SharePoint is used, the version is the latest version 3.8.3, if the preview is enabled, the batch download is normal