function isDingTalk() {  
    const userAgent = navigator.userAgent || navigator.vendor || window.opera;  
    return /DingTalk/i.test(userAgent);  
}  

// 初始化google监控

(async () => {
    const { initializeApp } = await import('https://www.gstatic.com/firebasejs/11.0.2/firebase-app.js');
    const { getAnalytics } = await import('https://www.gstatic.com/firebasejs/11.0.2/firebase-analytics.js');
    const { getPerformance } = await import("https://www.gstatic.com/firebasejs/11.0.2/firebase-performance.js");

    const firebaseConfig = {
        apiKey: "AIzaSyDyEB3y1y3cNBX_vQszWWZ28-pH33gk49A",
        authDomain: "clue-a7a8f.firebaseapp.com",
        projectId: "clue-a7a8f",
        storageBucket: "clue-a7a8f.firebasestorage.app",
        messagingSenderId: "1077280881146",
        appId: "1:1077280881146:web:b244d261273b6f3acc0c43",
        measurementId: "G-8KJXRQ4E9N"
    };

    // Initialize Firebase
    const app = initializeApp(firebaseConfig);
    const analytics = getAnalytics(app);
    const perf = getPerformance(app);

    window.performance.mark("pageStart");
})();