https://tsn.baidu.com/text2audio?tex=%25E9%25BB%2584%25E5%258D%258E%25E5%25AE%2587%25E6%2589%2593%25E5%258D%25A1%25E6%2588%2590%25E5%258A%259F&lan=zh&cuid=3DD84261-1454-41F7-8A9B-005E94438F29&ctp=1&tok=24.4404e7f719a9cef976f5e1f18819125f.2592000.1539400774.282335-11807386

这个token 理论上应该有30天的有效期，为毛会返回token无效：

{"err_detail":"Access token invalid or no longer valid","err_msg":"authentication failed.","err_no":502,"err_subcode":110,"tts_logid":2773168214}

是不是我创建的应用有什么问题

我是直接在百度开发者平台上创建应用的喔