Update 'index.html'

index.html

@@ -20,11 +20,11 @@
     <script>
         // 加载serviceWorker.js，使得页面加载后，在浏览器输入框出现 install 按钮
         window.addEventListener('load', async e => {
-            await fetchTrending();
             if ('serviceWorker' in navigator) {
                 try {
-                    navigator.serviceWorker.register('serviceWorker.js');
-                    console.log('SW registered');
+                    navigator.serviceWorker.register('serviceWorker.js').then(function(registration){
+                        console.log('Registered events at scope: ', registration.scope);
+                    });
                 } catch (error) {
                     console.log('SW failed');
                 }