增加缓存机制

router/top_artists.js

@@ -1,13 +1,17 @@
-const express = require("express")
+const express = require('express')
 const router = express()
-const { createRequest } = require("../util/util")
+const { createRequest } = require('../util/util')
 
-router.get("/", (req, res) => {
+router.get('/', (req, res) => {
   const offset = req.query.offset || 0
   const limit = req.query.limit || 50
-  createRequest(`/api/artist/top?offset=${offset}&total=false&limit=${limit}`, 'GET', null)
+  createRequest(
+    `/api/artist/top?offset=${offset}&total=false&limit=${limit}`,
+    'GET',
+    null
+  )
     .then(result => {
-      res.setHeader("Content-Type", "application/json")
+      res.setHeader('Content-Type', 'application/json')
       res.send(result)
     })
     .catch(err => {
@@ -15,5 +19,4 @@ router.get("/", (req, res) => {
     })
 })
 
-
-module.exports = router
+module.exports = router