qq music prompts that "the song is invalid or the network connection failed":

1. The website of the song can't be connected, so it can't be played.

2. The song you want to listen to is lossless music or something specific, and you need a VIP connection to listen to it.

3. Songs from a third party can only be played if the other party gives power.

4. Automatic cache cleaning or data corruption.

5. The network signal is too poor. The solution is to reconnect to the network or download the music again. If it can't be solved, uninstall and reinstall it.

Notes on QQ Music Use

In order to use QQ music software and services (hereinafter referred to as "this service"), you should read and abide by the QQ Music Service License Agreement (hereinafter referred to as "this agreement"), Tencent Service Agreement, QQ Number Rules, Tencent WeChat Software License and Service Agreement, QQ Music Privacy Protection Guidelines and other related agreements and business rules.

please read carefully and fully understand the clauses, especially the clauses on limitation or exemption of liability, and the separate agreement on opening or using a certain service. Terms of limitation or exemption of liability may remind you in bold and bold form.