save project

my_music.py

@@ -27,6 +27,10 @@ while True:
             volume -=0.1
             volume -=0.1
             if volume < 0:
             if volume < 0:
                 volume = 0
                 volume = 0
+            pygame.mixer.music.set_volume() 
+
+    if pygame.mixer.music.get_busy() == False:
+        pygame.mixer.music.play()
     # 绘制画面
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(stop_img, (270, 330))   # 暂停按钮
     screen.blit(stop_img, (270, 330))   # 暂停按钮