fix popup z-index

src/components/MainLayout/SiteMessagePopup.vue

@@ -96,5 +96,6 @@ export default {
   box-shadow: 0px 2px 10px 0px rgba(0, 0, 0, 0.1);
   border-radius: 6px;
   border: 1px solid rgba(221, 221, 221, 1);
+  z-index: 100;
 }
 </style>