antd报错：Warning: [antd: Form.Item] children is array of render props cannot have name.
【Warning: [antd: Form.Item] `children` is array of render props】如图：![Warning: [antd: Form.Item] `children` is array of render props](https://img.it610.com/image/info9/d879f573ccdb42368ab8d8eacae6f5c3.jpg)
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本意是想要在input下面增加一行提示文字、和增加button。![Warning: [antd: Form.Item] `children` is array of render props](https://img.it610.com/image/info9/1a0b7f4a455143e899e5d9c0f83fcdcf.jpg)
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![Warning: [antd: Form.Item] `children` is array of render props](https://img.it610.com/image/info9/2bbc30bd17dc4b99885cc42a9d762d62.jpg)
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代码：
![Warning: [antd: Form.Item] `children` is array of render props](https://img.it610.com/image/info9/bfa4ad40cde346ac9efabbb83203b3db.jpg)
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解决：
增加button: input用一个form.item单独包裹。
![Warning: [antd: Form.Item] `children` is array of render props](https://img.it610.com/image/info9/e30d24553694433d99ce07668adac5fa.jpg)
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增加文字提示：form.item新增属性：extra="xxxxx"即可
