reactjs - Uncaught (in promise) TypeError: URL.createObjectURL: Argument 1 对任何 1-argument 重载都无效。反应 Instascan

Question

按照这里的instascan docs我做了 npm install react-instascan react instascan-umd --save ，我有下面的代码

import React from 'react';
import { Cameras, Scanner } from "react-instascan";
export default function InstaScan({pageTracker,updateCurrentPage}) {
    const onScan =(val)=>{
        alert(val);
    }
    return (
        <Cameras>
            {cameras => (
                <div>
                <h1>Scan the code!</h1>
                <Scanner camera={cameras[0]} onScan={onScan}>
                    <video style={{ width: 400, height: 400 }} />
                </Scanner>
                </div>
            )}
        </Cameras>
    )
}

但是，我收到上述错误。这里需要做什么？