修复潜在歌单更新失败的问题

src/renderer/utils/music/kw/leaderboard.js

@@ -69,16 +69,14 @@ export default {
   limit: 100,
   _requestBoardsObj: null,
 
-  _requestDataObj: null,
   getBoardsData() {
     if (this._requestBoardsObj) this._requestBoardsObj.cancelHttp()
     this._requestBoardsObj = httpFetch('http://qukudata.kuwo.cn/q.k?op=query&cont=tree&node=2&pn=0&rn=1000&fmt=json&level=2')
     return this._requestBoardsObj.promise
   },
   getData(url) {
-    if (this._requestDataObj) this._requestDataObj.cancelHttp()
-    this._requestDataObj = httpFetch(url)
-    return this._requestDataObj.promise
+    const requestDataObj = httpFetch(url)
+    return requestDataObj.promise
   },
   filterData(rawList) {
     // console.log(rawList)