auto save

my_music.py

@@ -4,7 +4,7 @@ from pygame import locals
 pygame.init()   # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
-# 载入图片、资源
+# 载入图片、资源                                    
 bg_img = pygame.image.load('background.png')  # 背景图
 play_img = pygame.image.load('play.png')  # 播放按钮
 stop_img = pygame.image.load('stop.png')  # 暂停按钮
@@ -34,7 +34,7 @@ while True:
                 pygame.mixer.music.set_volume(volume)
             if event.key == locals.K_DOWN:
                 volume -= 0.1
-                if volume < 0 <or volume==0:
+                if volume < 0 or volume==0:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
         if event.type == locals.MOUSEBUTTONDOWN: