style: 设置文本自动换行

[jiaoqiyuan]

What this PR does / why we need it?

上传文档后进行分段设置的页面中，页面宽度较小的情况下会发生checkbox文本被遮盖。

Summary of your change

修改style，文本自动换行。

Please indicate you've done the following:

• Made sure tests are passing and test coverage is added if needed.
• Made sure commit message follow the rule of Conventional Commits specification.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed.

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