修复潜在歌单更新失败的问题

src/renderer/utils/music/wy/musicSearch.js

@@ -4,15 +4,13 @@ import { sizeFormate, formatPlayTime } from '../../index'
 // import musicDetailApi from './musicDetail'
 import { eapiRequest } from './utils'
 
-let searchRequest
 export default {
   limit: 30,
   total: 0,
   page: 0,
   allPage: 1,
   musicSearch(str, page, limit) {
-    if (searchRequest && searchRequest.cancelHttp) searchRequest.cancelHttp()
-    searchRequest = eapiRequest('/api/cloudsearch/pc', {
+    const searchRequest = eapiRequest('/api/cloudsearch/pc', {
       s: str,
       type: 1, // 1: 单曲, 10: 专辑, 100: 歌手, 1000: 歌单, 1002: 用户, 1004: MV, 1006: 歌词, 1009: 电台, 1014: 视频
       limit,