preventDefault for onClose.

[i-tengfei]

First of all, thanks for your contribution! :-)

Please makes sure these boxes are checked before submitting your PR, thank you!

• Make sure you follow antd's code convention.
• Run npm run lint and fix those errors before submitting in order to keep consistent code style.
• Rebase before creating a PR to keep commit history clear.
• Add some descriptions and refer relative issues for you PR.

[mention-bot]

By analyzing the blame information on this pull request, we identified @afc163, @benjycui and @jljsj33 to be potential reviewers

[afc163]

lint 没过啊。

[afc163]

Run npm run lint and fix those errors before submitting in order to keep consistent code style.

[i-tengfei]

Sorry，业务需要随手在页面上改了一下，没注意到，已修改 :)