相关疑难解决方法(0)

现在我正在用react+nodejs+nextserver+express制作一个迷你项目

并发生意外错误

我不知道为什么_document.js中会出现错误。

如果您知道原因，请告诉我，谢谢

错误：

Error: "MyDocument.getInitialProps()" should resolve to an object with a "html" prop set with a valid html string
    at Object.renderToHTML (C:\node_bird_44\front\node_modules\next\dist\next-server\server\render.js:338:15)
    at process._tickCallback (internal/process/next_tick.js:68:7)
GET / 500 11240.415 ms - 21
[ event ] disposing inactive page(s): /, /_error

import React from 'react';
import Document , {Main, NextScript } from 'next/document';
import Helmet from 'react-helmet';

class MyDocument extends Document {
    static getInitialProps(context) {
        return { helmet: Helmet.renderStatic()};
    }

    render() {

        const { htmlAttributes, bodyAttributes, ...helmet } …