Yongzi said that Guo Xue is a blogger on Vibrato Platform, with more than one million fans. Mainly to share knowledge related to mathematics. It is a mathematical education account jointly founded by a group of teachers who are proficient in teaching and love education. Very reliable, not a liar.

Tik Tok, a short video social software with musical creativity, was hatched by ByteDance. The software was launched on September 20, 2006. It is a short video community platform suitable for all ages. Users can choose songs, shoot music works and form their own works through this software.