save project

my_music.py

@@ -32,12 +32,12 @@ while True:
             hiehie += 0.1
             if hiehie > 1:
                 hiehie = 1
-                pygame.mixer.music.set_volume(hiehie)
+            pygame.mixer.music.set_volume(hiehie)
         if event.key == locals.K_DOWN:
             hiehie -= 0.1
             if hiehie < 0:
-                hiehie = 0
-                pygame.mixer.music.set_volume(hiehie)
+                hiehie = 0.1
+            pygame.mixer.music.set_volume(hiehie)
 
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景