save project

my_music.py

@@ -29,7 +29,7 @@ while True:
             pygame.mixer.music.set_volume(volume)
         if event.key==locals.K_DOWN:
             volume-=0.1
-            if volume>0:
+            if volume<0:
                 volume=0
             pygame.mixer.music.set_volume(volume)
         if event.type==locals.MOUSEBUTTONDOWN:
@@ -47,7 +47,7 @@ while True:
         pygame.mixer.music.play()
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
-    screen.blit(stop_img, (270, 330))   # 暂停按钮
+    screen.blit(play_button, (270, 330))   # 暂停按钮
     screen.blit(logo_img, (170, 60))    # 中间logo图
     screen.blit(last_img, (120, 350))   # 上一曲
     screen.blit(next_img, (420, 350))   # 下一曲