Upload 'onChange' invoked 4 times with status 'done' while upload one file

Environment(required)

• antd version: 2.5.3
• OS and its version: osx ei capitan
• Browser and its version: google chrome 56.0.2924.87

What did you do? Please provide steps to re-produce your problem.

use upload component as follows:

import React from 'react';
import { Upload, Icon, Modal, Button } from 'antd';

class Cpnt extends React.Component {
  constructor(props) {
    super(props);
    const defaultProps = {
      action: '/common/ajaxUploadImg.json',
      listType: 'picture',
      fileList: [],
      onChange: this.handleChange,
      onPreview: this.handlePreview,
      withCredentials: true,
      previewVisible: false,
      previewImage: '',
      fileList: this.props.fileList || [],
      imgUrl: ''
    }
  
    this.state = {...defaultProps, ...this.props.params};
  }

  handleCancel = () => this.setState({ previewVisible: false })

  handlePreview = (file) => {
    console.log(file.url);
    this.setState({
      previewImage: file.url || file.thumbUrl,
      previewVisible: true
    });
  }

  handleChange = (info) => {
    this.setState({ fileList: info.fileList });
    console.log('====info====', info);
    this.props.params.onUploadChange && this.props.params.onUploadChange(info);
  }

  render() {
    const { previewVisible, previewImage, fileList } = this.state;

    return (
      <div className="clearfix upload-img">
        <Upload {...this.state}>
          <Button>
            <Icon type="upload" /> {this.props.data.title || '点击上传'}
          </Button>
        </Upload>
        <Modal visible={previewVisible} footer={null} onCancel={this.handleCancel}>
          <img alt="img" style={{ width: '100%' }} src={previewImage} />
        </Modal>
      </div>
    );
  }
}

ReactDOM.render(
  <Cpnt data={{}} params={{}}/>
, mountNode);

What do you expected?

When a file was uploaded, onChange function be invoked once with status ‘done’ .

What happen?

When a file was uploaded, onChange function be invoked four times with status ‘done’ .

Re-producible online demo

https://riddle.alibaba-inc.com/riddles/2856a1b4

[xueqingxiao]

@shaozj could you provide here? Most people can’t access internal network.

[lock[bot]]

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