升级vue3

src/views/layout/components/AppMain.vue

@@ -35,6 +35,12 @@ export default {
       padding: 20px;
     }
   }
+
+  .inner {
+    padding: 20px;
+    box-sizing: border-box;
+    min-height: 100%;
+  }
 }
 
 </style>