diff --git a/components/UserMenu.vue b/components/UserMenu.vue
index 7cc671d..2c6b65b 100755
--- a/components/UserMenu.vue
+++ b/components/UserMenu.vue
@@ -23,7 +23,7 @@
 </template>
 
 <script setup lang="ts">
-import { defaultUserinfo, useUserinfo } from "@/stores/userinfo"
+import { useUserinfo } from "@/stores/userinfo"
 import { computed } from "vue"
 
 const {t} = useI18n()
@@ -52,7 +52,7 @@ const avatar = computed(() => {
 function signOut() {
   useCookie("__hydrogen_atk", { watch: "shallow" }).value = null
   useCookie("__hydrogen_rtk", { watch: "shallow" }).value = null
-  id.userinfo = defaultUserinfo
+  id.userinfo = null
   reloadNuxtApp()
 }
 </script>
diff --git a/components/auth/CallbackHint.vue b/components/auth/CallbackHint.vue
index 1eb5896..a25a283 100644
--- a/components/auth/CallbackHint.vue
+++ b/components/auth/CallbackHint.vue
@@ -2,7 +2,7 @@
   <div class="w-full max-w-[720px]">
     <v-expand-transition>
       <v-alert v-show="route.query['redirect_uri']" variant="tonal" type="info" class="text-xs">
-        You need to sign in before access that page. After you signed in, we will redirect you to: <br />
+        {{ t("callbackHint") }} <br />
         <span class="font-mono">{{ route.query["redirect_uri"] }}</span>
       </v-alert>
     </v-expand-transition>
@@ -10,5 +10,6 @@
 </template>
 
 <script setup lang="ts">
+const { t } = useI18n()
 const route = useRoute()
 </script>
diff --git a/lang/en-US.json b/lang/en-US.json
index 92b24e0..731505a 100644
--- a/lang/en-US.json
+++ b/lang/en-US.json
@@ -40,5 +40,6 @@
   "securityCaption": "Guard your Solar Network account.",
   "userActivity": "Activity",
   "userActivityCaption": "Recent posts of this user.",
-  "productArchived": "Archived"
+  "productArchived": "Archived",
+  "callbackHint": "You need to sign in before access that page. After you signed in, you will be redirected to:"
 }
diff --git a/lang/zh-CN.json b/lang/zh-CN.json
index 7dd4915..227aa29 100644
--- a/lang/zh-CN.json
+++ b/lang/zh-CN.json
@@ -40,5 +40,6 @@
   "securityCaption": "保护您的 Solar Network 账户。",
   "userActivity": "活动",
   "userActivityCaption": "此用户的最新帖子。",
-  "productArchived": "已归档"
+  "productArchived": "已归档",
+  "callbackHint": "访问该页面前，您需要先登录。登录后，我们会将把您重定向到："
 }
diff --git a/middleware/auth.ts b/middleware/auth.ts
index ad69709..b069705 100644
--- a/middleware/auth.ts
+++ b/middleware/auth.ts
@@ -1,7 +1,7 @@
 export default defineNuxtRouteMiddleware((to, from) => {
-  const id = useUserinfo();
+  const state = useLoggedInState()
 
-  if (!id.isLoggedIn) {
+  if (!state.value) {
     return navigateTo(`/auth/sign-in?redirect_uri=${to.fullPath}`)
   }
 })
diff --git a/pages/auth/sign-in.vue b/pages/auth/sign-in.vue
index 5bc10f5..a4471e0 100644
--- a/pages/auth/sign-in.vue
+++ b/pages/auth/sign-in.vue
@@ -59,6 +59,21 @@ async function pickUpTicket() {
 
 onMounted(() => pickUpTicket())
 
+const id = useUserinfo()
+const router = useRouter()
+
+watch(id, (value) => {
+  if (value.isLoggedIn) {
+    if (route.query["close"]) {
+      window.close()
+    } else if (route.query["redirect_uri"]) {
+      window.open((route.query["redirect_uri"] as string) ?? "/", "_self")
+    } else {
+      router.push("/users/me")
+    }
+  }
+}, { deep: true, immediate: true })
+
 const panel = ref("authenticate")
 
 const panels: { [id: string]: Component } = {
diff --git a/stores/userinfo.ts b/stores/userinfo.ts
index 2bf8210..ae1a600 100644
--- a/stores/userinfo.ts
+++ b/stores/userinfo.ts
@@ -2,18 +2,6 @@ import { defineStore } from "pinia"
 import { ref } from "vue"
 import { solarFetch } from "~/utils/request"
 
-export interface Userinfo {
-  isLoggedIn: boolean
-  displayName: string
-  data: any
-}
-
-export const defaultUserinfo: Userinfo = {
-  isLoggedIn: false,
-  displayName: "Citizen",
-  data: null,
-}
-
 export function useAtk() {
   return useCookie("__hydrogen_atk", { watch: "shallow" })
 }
@@ -31,6 +19,9 @@ export const useUserinfo = defineStore("userinfo", () => {
   const isReady = ref(false)
   const isLoggedIn = ref(false)
 
+  let fetchCompleter: Completer<boolean> | null = null
+  let refreshCompleter: Completer<string> | null = null
+
   const lastRefreshedAt = ref<Date | null>(null)
 
   function setTokenSet(atk: string, rtk: string) {
@@ -45,6 +36,12 @@ export const useUserinfo = defineStore("userinfo", () => {
       return useAtk().value
     }
 
+    if (refreshCompleter != null) {
+      return await refreshCompleter.promise
+    } else {
+      refreshCompleter = new Completer<string>()
+    }
+
     const config = useRuntimeConfig()
 
     const res = await fetch(`${config.public.solarNetworkApi}/cgi/auth/auth/token`, {
@@ -62,18 +59,28 @@ export const useUserinfo = defineStore("userinfo", () => {
       const out = await res.json()
       console.log("[PASSPORT] Access token has been refreshed now.")
       setTokenSet(out["access_token"], out["refresh_token"])
+      refreshCompleter.complete(out["access_token"])
       return out["access_token"]
     }
   }
 
   async function readProfiles() {
+    if (fetchCompleter != null) {
+      await fetchCompleter.promise
+      return
+    } else {
+      fetchCompleter = new Completer<boolean>()
+    }
+
     if (!useLoggedInState().value) {
+      fetchCompleter.complete(true)
       isReady.value = true
     }
 
     const res = await solarFetch("/cgi/auth/users/me")
 
     if (res.status !== 200) {
+      fetchCompleter.complete(true)
       isReady.value = true
       return
     }
@@ -83,7 +90,21 @@ export const useUserinfo = defineStore("userinfo", () => {
     isLoggedIn.value = true
     isReady.value = true
     userinfo.value = data
+    fetchCompleter.complete(true)
   }
 
-  return { userinfo, lastRefreshedAt, isLoggedIn, isReady, setTokenSet, getAtk, readProfiles }
+  return { userinfo, lastRefreshedAt, isLoggedIn, isReady, fetchCompleter, setTokenSet, getAtk, readProfiles }
 })
+
+export class Completer<T> {
+  public readonly promise: Promise<T>
+  public complete: (value: (PromiseLike<T> | T)) => void
+  private reject: (reason?: any) => void
+
+  public constructor() {
+    this.promise = new Promise<T>((resolve, reject) => {
+      this.complete = resolve
+      this.reject = reject
+    })
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index a746f2a..3a7b85c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,4 +1,7 @@
 {
   // https://nuxt.com/docs/guide/concepts/typescript
-  "extends": "./.nuxt/tsconfig.json"
+  "extends": "./.nuxt/tsconfig.json",
+  "compilerOptions": {
+    "strictPropertyInitialization": false
+  }
 }