BUZZER\BUZZER.axf: Error: L6218E: Undefined symbol PlaySong_TheRose (referred from main.o).
Not enough information to list image symbols.
Not enough information to list load addresses in the image map.
Finished: 2 information, 0 warning and 1 error messages.
"BUZZER\BUZZER.axf" - 1 Error(s), 0 Warning(s).
蜂鸣器放音乐，在给的程序里改完就这样子了，这得怎么弄啊