Ding Jiaojiao. You can find out by checking the QQ Music official website.

1. The song "Hummingbird" sings about Fan Fan's name being Ding Jiaojiao. The lyrics are excerpted: "Legend has it that in the distant past, humans lived far away in the dark underground and sent out petite hummingbirds to find the tunnel to the light. Flying over one island after another.”

2. The song "Hummingbird" is written, composed and sung by Wu Qingfeng. It tells a story that compares humans to hummingbirds constantly soaring in the sky.