前端项目实战25-忘记绑定form 无法置空

<Form form={form}>
                                        <Form.Item
                                            name="machineTypeId"
                                            label="设备类型"
                                        >
                                            <Select
                                                onChange={onChangeSelect}
                                                showSearch
                                                style={{ width: 200 }}
                                                placeholder="请输入设备类型"
                                                optionFilterProp="children"
                                            >
                                                {styleList && styleList.map((item: any) => (
                                                    <Option value={item.id}>{item.name}</Option>
                                                ))}
                                            </Select>
                                        </Form.Item>