Chyi Yu. According to Netease cloud music information, "You are my angel" is a propaganda track released by Chyi Yu on May 6th, 20th14th, and "You are my angel" is composed by Li Shouquan and written by Wu Xiong. The lyrics describe that when you bravely face difficulties and challenges, you will get the joy and praise from people around you, and these praises become notes and warm each other.