save project

my_music.py

@@ -54,8 +54,9 @@ while True:
     if pygame.mixer.music.get_busy() == False:
         n+=1
         if n>len(ml)-1:
-            pygame.mixer.load(ml[n])
-            pygame.mixer.music.play()
+            n=0
+        pygame.mixer.music.load(ml[n])
+        pygame.mixer.music.play()
 
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景