For the specific story, you can see the following posts:
070220 Feel the story behind the wings of love (turn to Geng Feng)
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Han Geng's new album "Geng Xin" included this song, and rearranged and changed the words, and then gave back to the fans from the perspective of Han Geng, expressing the feedback for their support along the way. (This is the original approval, and there is the original author in the MV tidbits)