update: 替换图片

src/components/preview-page.vue

@@ -133,7 +133,6 @@ export default {
       width: 176px;
       height: 176px;
       margin: 11px 0 16px 0;
-      background: #f6f6f6;
       background-image: url('../assets/QRcode.png');
       background-size: 176px auto;
     }

src/views/salesleads/actCodeManage/attractFlowLink/landingPage/cardView.vue

@@ -204,7 +204,6 @@ export default {
         z-index: 100;
         width: 236px;
         height: 236px;
-        background: #f6f6f6;
         background-image: url('../../../../../assets/QRcode.png');
         background-size: 236px auto;
       }