1942 Who wrote the lyrics of the movie River of Life?

The ending song of Xiaogang Feng's 1942 uses Xiao Min's "Sing a Song in the Sky".

"The river of life, the river of joy, slowly flows into my heart. I want to sing a song, the song in the sky, the dark clouds on my head and the sadness in my heart are all gone. " The ending song of 1942, the lyrics are taken from hymns, arranged by Zhen Yun, composed by Zhao Jiping and sung by Bella.