好的

[yandel789]

注意：不是用 https://ng.ant.design/issue-helper/#/zh 创建的 issue 会被立即关闭。

[ng-zorro-bot]

Hello @yanpengyu, your issue has been closed because it does not conform to our issue requirements. Please use the Issue Helper to create an issue, thank you!

你好 @yanpengyu，为了能够进行高效沟通，我们对 issue 有一定的格式要求，你的 issue 因为不符合要求而被自动关闭。你可以通过 issue 助手 来创建 issue 以方便我们定位错误。谢谢配合！

[ng-zorro-bot]

Translation of this issue:

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Hello, when uploading images, how to specify the key value as base64 format, can only use custom methods, thank you

Note: Issues that were not created with https://ng.ant.design/issue-helper/#/zh will be closed immediately.