diff --git a/dist-pc.rar b/dist.rar
similarity index 78%
rename from dist-pc.rar
rename to dist.rar
index 5b966bf..7d7e65e 100644
Binary files a/dist-pc.rar and b/dist.rar differ
diff --git a/src/router/index.js b/src/router/index.js
index 623f6b8..02507ee 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -1,31 +1,60 @@
-import { createRouter, createWebHistory } from 'vue-router';
+import { createRouter, createWebHistory } from "vue-router";
 
 const routes = [
-  
   {
-    path: '/',
-    redirect: '/quest',
+    path: "/",
+    name: "index1",
+    component: () =>
+      import(/* webpackChunkName "index1" */ "@/views/TaskView.vue"),
+    meta: {
+      title: "Counter Fire",
+      canonical: "https://www.counterfire.games",
+      alternate: "https://m.counterfire.games",
+    },
   },
   {
-    path: '/quest',
-    name: 'QUEST',
-    component: () => import(/* webpackChunkName "marketplace" */ '@/views/TaskView.vue'),
-   
+    path: "/quest",
+    name: "QUEST",
+    meta: {
+      title: "Counter Fire Quest",
+      canonical: "https://www.counterfire.games/quest",
+      alternate: "https://m.counterfire.games/quest",
+    },
+    component: () =>
+      import(/* webpackChunkName "marketplace" */ "@/views/TaskView.vue"),
   },
   {
-    path: '/index.html',
-    name: 'index',
-    component: () => import(/* webpackChunkName "index" */ '@/views/TaskView.vue'),
+    path: "/index.html",
+    name: "index",
+    component: () =>
+      import(/* webpackChunkName "index" */ "@/views/TaskView.vue"),
+    meta: {
+      title: "Counter Fire index",
+      canonical: "https://www.counterfire.games/index.html",
+      alternate: "https://m.counterfire.games/index.html",
+    },
   },
   {
-    path: '/undertest',
-    name: 'TaskOne',
-    component: () => import(/* webpackChunkName "TaskOne" */ '@/components/task/TaskOne.vue'),
+    path: "/undertest",
+    name: "TaskOne",
+    meta: {
+      title: "Counter Fire Undertest",
+      canonical: "https://www.counterfire.games/undertest",
+      alternate: "https://m.counterfire.games/undertest",
+    },
+    component: () =>
+      import(/* webpackChunkName "TaskOne" */ "@/components/task/TaskOne.vue"),
   },
   {
-    path: '/taskTwo',
-    name: 'TaskTwo',
-    component: () => import(/* webpackChunkName "TaskTwo" */ '@/components/task/TaskTwo.vue'),
+    path: "/taskTwo",
+    name: "TaskTwo",
+    meta: {
+      title: "Counter Fire TaskTwo",
+      canonical: "https://www.counterfire.games/taskTwo",
+      alternate: "https://m.counterfire.games/taskTwo",
+    },
+    component: () =>
+      import(/* webpackChunkName "TaskTwo" */ "@/components/task/TaskTwo.vue"),
   },
 ];
 
@@ -38,7 +67,9 @@ const router = createRouter({
 });
 
 function isMobileDevice(userAgent) {
-  return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(userAgent);
+  return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(
+    userAgent
+  );
 }
 
 router.beforeEach((to, from, next) => {
@@ -46,9 +77,31 @@ router.beforeEach((to, from, next) => {
 
   // 对于 PC 端官网项目：
   if (!isMobile) {
+    if (to.meta.title) {
+      document.title = to.meta.title;
+    }
+    let link = document.querySelector("link[rel='canonical']")
+    if (!link) {
+      link = document.createElement('link')
+      link.rel = 'canonical'
+      document.head.appendChild(link)
+    }
+    link.href = to.meta.canonical
+  
+    let alternateLink = document.querySelector("link[rel='alternate']")
+    if (!alternateLink) {
+      alternateLink = document.createElement('link')
+      alternateLink.rel = 'alternate'
+      alternateLink.media = 'only screen and (max-width: 640px)'
+      document.head.appendChild(alternateLink)
+    }
+    alternateLink.href = to.meta.alternate
+
     next(); // 如果是 PC 设备，继续导航
   } else {
-    window.location.href = `https://m.counterfire.games?code=${to.query.code? to.query.code:''}`;
+    window.location.href = `https://m.counterfire.games?code=${
+      to.query.code ? to.query.code : ""
+    }`;
   }
 });