Network anomaly. According to the query of Hi-Spectrum Rhythm app, official website learned that Hi-Spectrum Rhythm app could not log in due to abnormal network. Haipu Rhythm app is an early childhood education software for children's art under Shenzhen Pioneer Network Technology Co., Ltd., which is dedicated to creating a new mode of music teaching, combining music with games, breaking through rough and boring skill training and cultivating children's interest in music.