## PR Checklist

Please check if your PR fulfills the following requirements:

- [ ] The commit message follows our [guidelines](https://github.com/fengyuanchen/viewerjs/blob/master/.github/CONTRIBUTING.md#commit-message-guidelines).
- [ ] Tests for the changes have been added (for bug fixes / features)
- [ ] Docs have been added / updated (for bug fixes / features)

## PR Type

What kind of change does this PR introduce?

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- [ ] Bugfix
- [ ] Feature
- [ ] Code style update
- [ ] Refactor
- [ ] Build related changes
- [ ] Documentation content changes
- [ ] Other, Please describe:

## What is the current behavior?

<!-- Please describe the current behavior that you are modifying, or link to a relevant issue. -->

Issue Number: N/A

## What is the new behavior?

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## Does this PR introduce a breaking change?

- [ ] Yes
- [ ] No

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## Other information