update: 更换预览背景图片

src/modules/tools/signIn/views/Preview.vue

@@ -59,7 +59,7 @@ export default {
 .mobile{
   width:320px;
   height:500px;
-  background:url('https://webapp-pub.ezijing.com/upload/marketing-admin/7AE1354D-F9FA-4FBC-A1D0-1E88984CDEFD.png');
+  background:url('https://webapp-pub.ezijing.com/marketing/bg.png');
   background-size:100% 100%;
   background-repeat: no-repeat;
   margin:0 auto;