修复在线音乐列表获取失败时无限循环请求的问题

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

@@ -77,14 +77,15 @@ export default {
       }
     })
   },
-  search(str, page = 1, { limit } = {}) {
+  search(str, page = 1, { limit } = {}, retryNum = 0) {
+    if (++retryNum > 3) return Promise.reject(new Error('try max num'))
     if (limit != null) this.limit = limit
     return this.musicSearch(str, page).then(result => {
       // console.log(JSON.stringify(result))
-      if (!result || result.code !== 200) return this.search(str, page, { limit })
+      if (!result || result.code !== 200) return this.search(str, page, { limit }, retryNum)
       let list = this.handleResult(result.result.songs)
 
-      if (list == null) return this.search(str, page, { limit })
+      if (list == null) return this.search(str, page, { limit }, retryNum)
 
       this.total = result.result.songCount
       this.page = page