a bit timeout

src/routes/banner/index.ts

@@ -5,5 +5,7 @@ import BannerData from './data.json';
 export const bannerRouter = Router();
 
 bannerRouter.get('/banner-data', (req, res) => {
-    res.send(BannerData)
+    setTimeout(() => {
+        res.send(BannerData)
+    }, 3000)
 })