auto save

my_music.py

@@ -27,12 +27,12 @@ while True:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_UP:
                 volume += 0.1
-                if volume < 0 or volume==0:
-                    volume = 0
+                if volume > 1 :
+                    volume = 1
                 pygame.mixer.music.set_volume(volume)
             if event.key == locals.K_DOWN:
                 volume -= 0.1
-                if volume < 0 or volume==0:
+                if volume < 0 :
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
         if event.type == locals.MOUSEBUTTONDOWN:
@@ -43,9 +43,6 @@ while True:
             else:
                 pygame.mixer.music.pause()
                 start = play_img
-
-    if volume <=0:
-        volume = 0
     if pygame.mixer.music.get_busy() == False:
         pygame.mixer.music.play()
     # 绘制画面