加个遮盖层

src/components/common/common-loading.vue

@@ -27,7 +27,7 @@
             bottom: 0;
             right: 0;
             z-index: 200;
-            background: rgba(0, 0, 0, 0);
+            background: rgba(0, 0, 0, 0.5);
         }
         svg {
             position: fixed;