木偶浏览器的问题

Question

（节点：10652）UnhandledPromiseRejectionWarning：TimeoutError：尝试连接到浏览器时在30000 ms之后超时！保证只有最新版本的Chrome才能正常工作。

async function scrape_site(url) {
            const browser = await puppeteer.launch({
                product: 'firefox',
                headless: false,
                executablePath:"C:\\Program Files (x86)\\Mozilla Firefox2\\firefox.exe",
                //args:['-wait-for-browser']
            });
            const page = await browser.newPage();
            // Configure the navigation timeout
            await page.setDefaultNavigationTimeout(0);
            await page.goto(url);
        }
    scrape_site("https://stackoverflow.com/");
    //asks to put `PUPPETEER_PRODUCT = firefox npm i puppeteer` 
//although I don't understand where it is and what it is asks to put PUPPETEER_PRODUCT = firefox npm i puppeteer