修复请求重试bug

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

@@ -47,7 +47,7 @@ export const getToken = (retryNum = 0) => new Promise((resolve, reject) => {
   kw_token.isGetingToken = true
   httpGet('http://www.kuwo.cn/', (err, resp) => {
     kw_token.isGetingToken = false
-    if (err) return getToken(retryNum)
+    if (err) return getToken(++retryNum)
     if (resp.statusCode != 200) return reject(new Error('获取失败'))
     const token = kw_token.token = matchToken(resp.headers)
     resolve(token)