完善README

README.md

 ### 郑重声明
 
-![Jeepay演示界面](http://jeequan.oss-cn-beijing.aliyuncs.com/jeepay/img/yanshi/001.png "Jeepay演示界面")
+![Jeepay系统架构图](http://jeequan.oss-cn-beijing.aliyuncs.com/jeepay/img/jeepay_framework.png "Jeepay系统架构图")
 
 > 原`XxPay聚合支付`项目已更名为Jeepay，由原XxPay团队开发维护。目前`Jeepay`开发已经进入收尾阶段，最晚6月初会发布源码到Github和码云上。
 
@@ -14,6 +14,8 @@
 
 `以下截图是从实际已完成功能界面截取,截图时间为：2021-05-29 02:05`
 
+![Jeepay演示界面](http://jeequan.oss-cn-beijing.aliyuncs.com/jeepay/img/yanshi/001.png "Jeepay演示界面")
+
 ![Jeepay演示界面](http://jeequan.oss-cn-beijing.aliyuncs.com/jeepay/img/yanshi/002.png "Jeepay演示界面")
 
 ![Jeepay演示界面](http://jeequan.oss-cn-beijing.aliyuncs.com/jeepay/img/yanshi/003.png "Jeepay演示界面")