多谢李班精准点评。估计是需要后期处理对吧？底版原来是很美的独唱，是我随意加入合唱的。请看链接

https://static-play.kg.qq.com/node/wfgLa3a4f8/play_v2?s=KF3F7_K_UqLr4KIm&shareuid=649e9c87262c358837&abtype=13&shareDescABType=1&topsource=a0_pn201001006_z1_u631231233_l1_t1707787840__&chain_share_id=c9aaacfEUnwbqV8T1jwr724mnmbyADR5FFBYcPaqOU4&pageId=details_of_creations