feat: watermark (#203)

* feat: add watermark

src/router/modules/error.ts

@@ -1,5 +1,5 @@
 import { $t } from "/@/plugins/i18n";
-import Layout from "/@/layout/index.vue";
+const Layout = () => import("/@/layout/index.vue");
 
 const errorRouter = {
   path: "/error",
@@ -10,7 +10,7 @@ const errorRouter = {
     icon: "position",
     title: $t("menus.hserror"),
     i18n: true,
-    rank: 7
+    rank: 9
   },
   children: [
     {