diff --git a/public/test-host.html b/public/test-host.html
index 317e40b..0aee952 100644
--- a/public/test-host.html
+++ b/public/test-host.html
@@ -143,20 +143,25 @@
 <div class="layout">
     <aside class="panel">
         <h1>PlayX Host Test</h1>
-        <p>Use this page to test iframe embedding and the <code>PLAYX_READY</code> / <code>IFRAME_CONTEXT</code> handshake flow.</p>
+        <p>Use this page to test iframe embedding and the <code>IFRAME_READY</code> / <code>IFRAME_CONTEXT</code> handshake flow.</p>
 
         <label>
             Username
-            <input id="username" value="+60777777777" />
+            <input id="username" value="+60333333333" />
+        </label>
+
+        <label>
+            Token
+            <input id="token" value="" readonly />
         </label>
 
         <label>
             Language
-            <input id="language" value="zh-CN" />
+            <input id="language" value="zh-my" />
         </label>
 
         <div class="actions">
-            <button id="send" class="primary" type="button">Send Context</button>
+            <button id="send" class="primary" type="button">Fetch Token &amp; Send Context</button>
             <button id="reload" class="secondary" type="button">Reload Iframe</button>
         </div>
 
@@ -170,8 +175,8 @@
 
 <script>
     const frame = document.getElementById('playx-frame')
-    const previewFrame = document.getElementById('preview-frame')
     const usernameInput = document.getElementById('username')
+    const tokenInput = document.getElementById('token')
     const languageInput = document.getElementById('language')
     const sendButton = document.getElementById('send')
     const reloadButton = document.getElementById('reload')
@@ -182,6 +187,9 @@
     const heightLogDelay = 300
     let pendingHeightLog = null
     let heightLogTimer = null
+    let currentTokenUsername = ''
+    let autoContextSent = false
+    let sendContextInFlight = false
 
     function appendLog(message, data) {
         const stamp = new Date().toLocaleTimeString()
@@ -200,7 +208,7 @@
         }
 
         heightLogTimer = window.setTimeout(() => {
-            appendLog('Received PLAYX_HEIGHT from iframe', pendingHeightLog)
+            appendLog('Received IFRAME_HEIGHT from iframe', pendingHeightLog)
             pendingHeightLog = null
             heightLogTimer = null
         }, heightLogDelay)
@@ -210,35 +218,106 @@
         return {
             type: 'IFRAME_CONTEXT',
             payload: {
-                username: usernameInput.value.trim(),
+                token: tokenInput.value.trim(),
                 language: languageInput.value.trim(),
             },
         }
     }
 
-    function sendContext() {
+    async function ensureToken() {
+        const username = usernameInput.value.trim()
+
+        if (!username) {
+            throw new Error('Username is required.')
+        }
+
+        const existingToken = tokenInput.value.trim()
+        if (existingToken && currentTokenUsername === username) {
+            return existingToken
+        }
+
+        const response = await fetch(`/api/v1/temLogin?username=${encodeURIComponent(username)}`, {
+            method: 'GET',
+        })
+
+        if (!response.ok) {
+            throw new Error(`temLogin request failed: ${response.status}`)
+        }
+
+        const payload = await response.json()
+        const token = payload?.data?.userInfo?.token?.trim()
+
+        console.log('[test-host] temLogin response:', payload)
+
+        if (!token) {
+            throw new Error(`temLogin response missing token: ${JSON.stringify(payload)}`)
+        }
+
+        tokenInput.value = token
+        currentTokenUsername = username
+        appendLog('Fetched token from temLogin', {
+            username,
+            tokenPreview: `${token.slice(0, 12)}...`,
+        })
+
+        return token
+    }
+
+    async function sendContext() {
+        if (sendContextInFlight) {
+            return
+        }
+
+        sendContextInFlight = true
+        sendButton.disabled = true
+
+        try {
+            await ensureToken()
+        } catch (error) {
+            appendLog('Failed to fetch token', {
+                message: error instanceof Error ? error.message : String(error),
+            })
+            sendButton.disabled = false
+            sendContextInFlight = false
+            return
+        }
+
         const message = buildPayload()
+        console.log('[test-host] postMessage payload:', message)
         frame.contentWindow?.postMessage(message, iframeOrigin)
+        appendLog('Sent IFRAME_CONTEXT to iframe', {
+            language: message.payload.language,
+            tokenPreview: `${message.payload.token.slice(0, 12)}...`,
+        })
+        sendButton.disabled = false
+        sendContextInFlight = false
     }
 
     frame.addEventListener('load', () => {
+        autoContextSent = false
     })
 
-    sendButton.addEventListener('click', () => {
-        sendContext()
+    sendButton.addEventListener('click', async () => {
+        await sendContext()
     })
 
     reloadButton.addEventListener('click', () => {
+        autoContextSent = false
         frame.contentWindow?.location.reload()
     })
 
     window.addEventListener('message', (event) => {
-        if (event.source === frame.contentWindow && event.data?.type === 'PLAYX_READY') {
-            sendContext()
+        if (event.source === frame.contentWindow && event.data?.type === 'IFRAME_READY') {
+            appendLog('Received IFRAME_READY from iframe')
+            if (autoContextSent) {
+                return
+            }
+            autoContextSent = true
+            void sendContext()
             return
         }
 
-        if (event.source === frame.contentWindow && event.data?.type === 'PLAYX_HEIGHT') {
+        if (event.source === frame.contentWindow && event.data?.type === 'IFRAME_HEIGHT') {
             const height = Number(event.data?.payload?.height)
 
             if (!Number.isFinite(height) || height <= 0) {
diff --git a/src/App.tsx b/src/App.tsx
index 3689df9..a8902ec 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -40,12 +40,6 @@ function App() {
         })()
     }, [language, queryClient])
 
-    // 开发/测试阶段如需跳过 iframe 传参，可设置：
-    // VITE_BYPASS_IFRAME_CONTEXT=true
-    // 项目会直接使用测试数据初始化：
-    // username: +60777777777
-    // language: zh
-
     // useEffect(() => {
     //     const handleMessage = (event: MessageEvent<HostContextMessage>) => {
     //         const message = event.data
@@ -54,15 +48,15 @@ function App() {
     //             return
     //         }
     //
-    //         const {language, username} = message.payload
-    //
-    //         if (typeof username === 'string' && username.trim()) {
-    //
-    //         }
+    //         const {language, token} = message.payload
     //
     //         if (typeof language === 'string' && language.trim()) {
     //             // language 由 zustand 存储，供请求头直接读取
     //         }
+    //
+    //         if (typeof token === 'string' && token.trim()) {
+    //             // token 由宿主机通过 postMessage 传入，供鉴权和请求头直接读取
+    //         }
     //     }
     //
     //     window.addEventListener('message', handleMessage)
@@ -77,8 +71,8 @@ function App() {
     //     {
     //         type: 'IFRAME_CONTEXT',
     //         payload: {
-    //             username: '+60777777777',
-    //             language: 'zh-CN',
+    //             token: 'token',
+    //             language: 'zh-my',
     //         },
     //     },
     //     window.location.origin
@@ -95,7 +89,7 @@ function App() {
     //       const IFRAME_ORIGIN = 'https://your-iframe-app.example.com'
     //
     //       window.addEventListener('message', (event) => {
-    //           if (event.source !== iframe.contentWindow || event.data?.type !== 'PLAYX_READY') {
+    //           if (event.source !== iframe.contentWindow || event.data?.type !== 'IFRAME_READY') {
     //               return
     //           }
     //
@@ -103,8 +97,8 @@ function App() {
     //               {
     //                   type: 'IFRAME_CONTEXT',
     //                   payload: {
-    //                       username: '+60777777777',
-    //                       language: 'zh-CN',
+    //                       token: 'token',
+    //                       language: 'zh-my',
     //                   },
     //               },
     //               IFRAME_ORIGIN
diff --git a/src/features/authGuide.tsx b/src/features/authGuide.tsx
index 417ab60..105267f 100644
--- a/src/features/authGuide.tsx
+++ b/src/features/authGuide.tsx
@@ -1,7 +1,7 @@
 import {useQuery, useQueryClient} from '@tanstack/react-query'
 import {type PropsWithChildren, useEffect, useRef, useState} from 'react'
 
-import {login, validateToken} from '@/api/auth.ts'
+import {validateToken} from '@/api/auth.ts'
 import {userAssets} from '@/api/user.ts'
 import {useTranslation} from 'react-i18next'
 import {normalizeLanguage} from '@/lib/i18n'
@@ -14,30 +14,20 @@ const HOST_HEIGHT_MESSAGE = 'IFRAME_HEIGHT'
 const HOST_READY_INTERVAL = 500
 const HOST_READY_RETRY_LIMIT = 20
 const HOST_HEIGHT_REPORT_INTERVAL = 250
-const TEST_BOOTSTRAP_ENABLED = import.meta.env.VITE_BYPASS_IFRAME_CONTEXT === 'true'
-const TEST_BOOTSTRAP_USERNAME = '+60777777777'
-const TEST_BOOTSTRAP_LANGUAGE = 'zh'
 
 export function AuthGuide({children}: PropsWithChildren) {
     const {t} = useTranslation()
     const queryClient = useQueryClient()
-    const [username, setUsername] = useState(TEST_BOOTSTRAP_ENABLED ? TEST_BOOTSTRAP_USERNAME : '')
+    const [hostToken, setHostToken] = useState('')
     const setUserInfo = useUserStore((state) => state.setUserInfo)
     const setAuthInfo = useUserStore((state) => state.setAuthInfo)
     const setAssetsInfo = useUserStore((state) => state.setAssetsInfo)
     const setLanguage = useUserStore((state) => state.setLanguage)
     const clearUserInfo = useUserStore((state) => state.clearUserInfo)
     const hasHostContextRef = useRef(false)
-    const activeUsernameRef = useRef('')
+    const activeTokenRef = useRef('')
 
     useEffect(() => {
-        if (TEST_BOOTSTRAP_ENABLED) {
-            hasHostContextRef.current = true
-            activeUsernameRef.current = TEST_BOOTSTRAP_USERNAME
-            setLanguage(TEST_BOOTSTRAP_LANGUAGE)
-            return
-        }
-
         const isEmbedded = window.parent !== window
 
         const notifyParentReady = () => {
@@ -59,17 +49,17 @@ export function AuthGuide({children}: PropsWithChildren) {
                 return
             }
 
-            const {language, username: nextUsername} = message.payload
+            const {language, token} = message.payload
 
-            if (typeof nextUsername === 'string' && nextUsername.trim()) {
-                const normalizedUsername = nextUsername.trim()
-                if (activeUsernameRef.current && activeUsernameRef.current !== normalizedUsername) {
+            if (typeof token === 'string' && token.trim()) {
+                const normalizedToken = token.trim()
+                if (activeTokenRef.current && activeTokenRef.current !== normalizedToken) {
                     clearUserInfo()
                     queryClient.removeQueries({queryKey: ['auth-bootstrap']})
                 }
                 hasHostContextRef.current = true
-                activeUsernameRef.current = normalizedUsername
-                setUsername(normalizedUsername)
+                activeTokenRef.current = normalizedToken
+                setHostToken(normalizedToken)
             }
 
             if (typeof language === 'string' && language.trim()) {
@@ -106,19 +96,17 @@ export function AuthGuide({children}: PropsWithChildren) {
     }, [clearUserInfo, queryClient, setLanguage])
 
     const authBootstrapQuery = useQuery({
-        queryKey: queryKeys.authBootstrap(username),
-        enabled: Boolean(username),
+        queryKey: queryKeys.authBootstrap(hostToken),
+        enabled: Boolean(hostToken),
         queryFn: async () => {
-            const loginResponse = await login({username})
-            const userInfo = loginResponse.data.userInfo
-            const validateResponse = await validateToken(userInfo.token)
+            const validateResponse = await validateToken(hostToken)
             const authInfo = validateResponse.data
             const assetsResponse = await userAssets({
                 session_id: authInfo.session_id,
             })
 
             return {
-                userInfo,
+                userInfo: {token: hostToken},
                 authInfo,
                 assetsInfo: assetsResponse.data,
             }
@@ -235,10 +223,10 @@ export function AuthGuide({children}: PropsWithChildren) {
         }
     }, [])
 
-    if (!username || authBootstrapQuery.isPending) {
+    if (!hostToken || authBootstrapQuery.isPending) {
         return (
             <div className="flex min-h-screen items-center justify-center bg-[#08070E] px-6 text-center text-[14px] text-white/68">
-                {!username && !TEST_BOOTSTRAP_ENABLED ? t('auth.waitingForHostContext') : t('auth.loadingAccountData')}
+                {!hostToken ? t('auth.waitingForHostContext') : t('auth.loadingAccountData')}
             </div>
         )
     }
diff --git a/src/locale/en.ts b/src/locale/en.ts
index fb4ba08..4295536 100644
--- a/src/locale/en.ts
+++ b/src/locale/en.ts
@@ -16,7 +16,7 @@ const en = {
         malay: 'Malay',
     },
     auth: {
-        waitingForHostContext: 'Waiting for host context...',
+        waitingForHostContext: 'Waiting for verification...',
         loadingAccountData: 'Loading account data...',
         authenticationFailed: 'Authentication failed',
         refreshAndTryAgain: 'Please refresh and try again.',
diff --git a/src/locale/ms.ts b/src/locale/ms.ts
index 3313517..f3e3586 100644
--- a/src/locale/ms.ts
+++ b/src/locale/ms.ts
@@ -16,7 +16,7 @@ const ms = {
         malay: 'Bahasa Melayu',
     },
     auth: {
-        waitingForHostContext: 'Menunggu konteks hos...',
+        waitingForHostContext: 'Menunggu pengesahan...',
         loadingAccountData: 'Sedang memuatkan data akaun...',
         authenticationFailed: 'Pengesahan gagal',
         refreshAndTryAgain: 'Sila muat semula dan cuba lagi.',
diff --git a/src/locale/zh.ts b/src/locale/zh.ts
index 4666ff1..1773e53 100644
--- a/src/locale/zh.ts
+++ b/src/locale/zh.ts
@@ -16,7 +16,7 @@ const zh = {
         malay: '马来文',
     },
     auth: {
-        waitingForHostContext: '等待宿主上下文...',
+        waitingForHostContext: '等待验证...',
         loadingAccountData: '账户数据加载中...',
         authenticationFailed: '鉴权失败',
         refreshAndTryAgain: '请刷新后重试。',
diff --git a/src/types/auth.type.ts b/src/types/auth.type.ts
index b428e29..e61bb54 100644
--- a/src/types/auth.type.ts
+++ b/src/types/auth.type.ts
@@ -4,13 +4,13 @@ export type LoginParams = {
 }
 
 export type LoginUserInfo = {
-    id: number
-    username: string
-    nickname: string
-    playx_user_id: string
     token: string
-    refresh_token: string
-    expires_in: number
+    id?: number
+    username?: string
+    nickname?: string
+    playx_user_id?: string
+    refresh_token?: string
+    expires_in?: number
 }
 
 export type LoginData = {
diff --git a/src/types/index.ts b/src/types/index.ts
index 6a192c5..cf66cf6 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -9,7 +9,6 @@ export type HostContextMessage = {
     payload?: {
         token?: string
         language?: string
-        username?: string
     }
 }
 
diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
index 6497df9..d02bbc5 100644
--- a/src/vite-env.d.ts
+++ b/src/vite-env.d.ts
@@ -1,7 +1,6 @@
 /// <reference types="vite/client" />
 
 interface ImportMetaEnv {
-    readonly VITE_BYPASS_IFRAME_CONTEXT?: string
     readonly VITE_API_BASE_URL?: string
     readonly VITE_API_ORIGIN?: string
 }