自助定餐软件。该应用程序中能完成一定的自助定餐功能（包括欢迎点餐，进行多项点餐，结帐，会员服务以及注册等）-Self-scheduled meal software. The application must be able to accomplish the self-scheduled meal functions (including the welcome meal points to implement a number of points, meals, checkout, as w