update README.md.

README.md

@@ -1,7 +1,7 @@
 
 <p align="center">
 <a href="http://bbs.crmeb.net/forum.php?mod=viewthread&tid=4732&page=1&extra=#pid39073" target="_blank" >
-    <img src="https://images.gitee.com/uploads/images/2020/1029/180058_ae5ca62f_1491977.png" />
+    <img src="https://images.gitee.com/uploads/images/2020/1103/161801_46bb022b_1491977.png" />
 </a>
 </p>
 <p align="center">
@@ -99,9 +99,7 @@ tp PHP表单生成器，快速生成现代化的form表单。包含复选框、
 
 ##  系统演示
 
-![前端演示](https://images.gitee.com/uploads/images/2020/1102/142032_fa9cca33_1491977.png "屏幕截图.png")
-      
-演示小程序：![开源演示二维码](/readme/images/开源演示二维码.jpg)
+![前端演示](https://images.gitee.com/uploads/images/2020/1103/161837_52d08017_1491977.png "屏幕截图.png")
 
 http://demo32.crmeb.net/admin  账号：demo  密码：crmeb.com