save project

my_music.py

@@ -17,7 +17,8 @@ while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
-
+    if pygame.mixer.music.get_busy()==False:
+        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