控制台没有打印出handleChange中的123123，说明没有执行，可是为什么不执行呢。
我自己写也是这样，课程代码复制下来也是这样，下面是我的代码。谢谢老师

import React from 'react'
import {Card,Form,Button,Input,Checkbox,Radio,Select,Switch,DatePicker,TimePicker,Upload,Icon,message, InputNumber} from 'antd'
import moment from 'moment';
const FormItem = Form.Item;
const RadioGroup = Radio.Group;
const Option = Select.Option;
const TextArea = Input.TextArea;
class FormRegister extends React.Component{

    state={}

    handleSubmit = ()=>{
        let userInfo = this.props.form.getFieldsValue();
        console.log(JSON.stringify(userInfo))
        message.success(`${userInfo.userName} 恭喜你，您通过本次表单组件学习，当前密码为：${userInfo.userPwd}`)
    }

    getBase64 = (img, callback)=>{
        const reader = new FileReader();
        reader.addEventListener('load', () => callback(reader.result));
        reader.readAsDataURL(img);
    }

    handleChange = (info) => {
        console.log('123123');
        if (info.file.status === 'uploading') {
            this.setState({ loading: true });
            return;
        }
        if (info.file.status === 'done') {
            // Get this url from response in real world.
            this.getBase64(info.file.originFileObj, imageUrl => this.setState({
                userImg:imageUrl,
                loading: false,
            }));
        }
    }

    render(){
        const { getFieldDecorator } = this.props.form;
        const formItemLayout = {
            labelCol:{
                xs:24,
                sm:4
            },
            wrapperCol:{
                xs:24,
                sm:12
            }
        }
        const offsetLayout = {
            wrapperCol:{
                xs:24,
                sm:{
                    span:12,
                    offset:4
                }
            }
        }
        const rowObject = {
            minRows: 4, maxRows: 6
        }
        return (
            <div>
                <Card title="注册表单">
                    <Form layout="horizontal">
                        <FormItem label="用户名" {...formItemLayout}>
                            {
                                getFieldDecorator('userName', {
                                    initialValue: '',
                                    rules: [
                                        {
                                            required: true,
                                            message: '用户名不能为空'
                                        }
                                    ]
                                })(
                                    <Input placeholder="请输入用户名" />
                                )
                            }
                        </FormItem>
                        <FormItem label="密码" {...formItemLayout}>
                            {
                                getFieldDecorator('userPwd', {
                                    initialValue: ''
                                })(
                                    <Input type="password" placeholder="请输入密码" />
                                )
                            }
                        </FormItem>
                        <FormItem label="性别" {...formItemLayout}>
                            {
                                getFieldDecorator('sex', {
                                    initialValue: '1'
                                })(
                                    <RadioGroup>
                                        <Radio value="1">男</Radio>
                                        <Radio value="2">女</Radio>
                                    </RadioGroup>
                                )
                            }
                        </FormItem>
                        <FormItem label="年龄" {...formItemLayout}>
                            {
                                getFieldDecorator('age', {
                                    initialValue: 18
                                })(
                                    <InputNumber  />
                                )
                            }
                        </FormItem>
                        <FormItem label="当前状态" {...formItemLayout}>
                            {
                                getFieldDecorator('state', {
                                    initialValue: '2'
                                })(
                                    <Select>
                                        <Option value="1">咸鱼一条</Option>
                                        <Option value="2">风华浪子</Option>
                                        <Option value="3">北大才子一枚</Option>
                                        <Option value="4">百度FE</Option>
                                        <Option value="5">创业者</Option>
                                    </Select>
                                )
                            }
                        </FormItem>
                        <FormItem label="爱好" {...formItemLayout}>
                            {
                                getFieldDecorator('interest', {
                                    initialValue: ['2','5']
                                })(
                                    <Select mode="multiple">
                                        <Option value="1">游泳</Option>
                                        <Option value="2">打篮球</Option>
                                        <Option value="3">踢足球</Option>
                                        <Option value="4">跑步</Option>
                                        <Option value="5">爬山</Option>
                                        <Option value="6">骑行</Option>
                                        <Option value="7">桌球</Option>
                                        <Option value="8">麦霸</Option>
                                    </Select>
                                )
                            }
                        </FormItem>
                        <FormItem label="是否已婚" {...formItemLayout}>
                            {
                                getFieldDecorator('isMarried', {
                                    valuePropName:'checked',
                                    initialValue: true
                                })(
                                    <Switch/>
                                )
                            }
                        </FormItem>
                        <FormItem label="生日" {...formItemLayout}>
                            {
                                getFieldDecorator('birthday',{
                                    initialValue:moment('2018-08-08')
                                })(
                                    <DatePicker
                                        showTime
                                        format="YYYY-MM-DD HH:mm:ss"
                                    />
                                )
                            }
                        </FormItem>
                        <FormItem label="联系地址" {...formItemLayout}>
                            {
                                getFieldDecorator('address',{
                                    initialValue:'北京市海淀区奥林匹克公园'
                                })(
                                    <TextArea
                                        autosize={rowObject}
                                    />
                                )
                            }
                        </FormItem>
                        <FormItem label="早起时间" {...formItemLayout}>
                            {
                                getFieldDecorator('time')(
                                    <TimePicker/>
                                )
                            }
                        </FormItem>
                        <FormItem label="头像" {...formItemLayout}>
                            {
                                getFieldDecorator('userImg')(
                                    <Upload
                                        listType="picture-card"
                                        showUploadList={false}
                                        action="https://www.mocky.io/v2/5cc8019d300000980a055e76"
                                        onChange={this.handleChange}
                                    >
                                    {this.state.userImg?<img src={this.state.userImg}/>:<Icon type="plus"/>}
                                    </Upload>
                                )
                            }
                        </FormItem>
                        <FormItem {...offsetLayout}>
                            {
                                getFieldDecorator('userImg')(
                                   <Checkbox>我已阅读过<a href="#">慕课协议</a></Checkbox>
                                )
                            }
                        </FormItem>
                        <FormItem {...offsetLayout}>
                            <Button type="primary" onClick={this.handleSubmit}>注册</Button>
                        </FormItem>
                    </Form>
                </Card>
            </div>
        );
    }
}
export default Form.create()(FormRegister);```