diff --git a/src/modules/router.ts b/src/modules/router.ts
index ae346dee..92bfe8d3 100644
--- a/src/modules/router.ts
+++ b/src/modules/router.ts
@@ -1,5 +1,5 @@
 import type { RouteRecordRaw } from "vue-router";
-
+const Error404NotFound = () => import("@/views/Error404NotFound.vue");
 const data = await fetch("/toc.json").then((r) => r.json());
 
 const manual = data.filter((v: any) => v.children);
@@ -20,16 +20,36 @@ const manualRoute = mergeManual.map(
 
 const route: RouteRecordRaw[] = [
   // ...manualRoute,
+  // {
+  //   path: "/manual/chapter-1-admin-login",
+  //   name: "Manual",
+  //   component: () => import("@/modules/01_manual/MainPage.vue"),
+  // },
   {
     path: "/manual/:name",
     name: "Manual",
     component: () => import("@/modules/01_manual/MainPage.vue"),
+    beforeEnter: (to, from, next) => {
+      const itemExists = manualRoute.some((item) => item.path === to.fullPath);
+
+      if (itemExists) {
+        console.log("Win");
+        next();
+      } else {
+        next({ name: "Error404NotFound" });
+      }
+    },
   },
   {
     path: "/:name",
     name: "Pages",
     component: () => import("@/modules/02_pages/MainPage.vue"),
   },
+  {
+    path: "/:pathMatch(.*)*",
+    name: "Error404NotFound",
+    component: Error404NotFound,
+  },
 ];
 
 export default route;