react-router

react/react高阶/project3/src/router/index.js

@@ -37,7 +37,7 @@ const routes = [
       {
         path: "my",
         element: (
-            <Suspense>
+            <Suspense fallback={<h3>Loading....</h3>}>
                 <My/>
             </Suspense>
         ),