These fans may be "zombie fans".

The following is the relevant introduction to zombie fans:

Zombie fans, in English, are Zombie fans. They generally refer to fake fans on Weibo, Baidu Tieba and WeChat. They can spend money. Buy "follows", nominal Weibo fans, who are usually maliciously registered users automatically generated by the system. When a mobile phone user registers, zombie fans are followers automatically generated by the system.

On August 26, 2014, "Korean Song" officially opened for reservation and downloading, and was first released on September 1, 2014. As Tencent's first karaoke dating application, "Korean Songs for All" has an original song segment re-singing function, and has functions such as intelligent scoring, fun tuning, friends' arena, and fun interactions.

On September 10, 2014, the iOS version of National Karaoke was first released in the app store and was well received after its launch.

On December 6, 2018, National Karaoke and Tencent Wangka organized the 2018 "Release Your K Energy" campus star singing showdown in Beijing.