save project

my_game.py

@@ -50,6 +50,10 @@ while True:
             # 接收到退出事件后退出程序
             exit()
         if event.type == locals.KEYDOWN:
+            if gamestate == False:
+                for sprite in block_list:
+                    sprite.kill()
+                gamestate = True
             if jumpState == "runing":
                 if event.key == locals.K_SPACE:
                     jumpState = "up"