diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index f9df029..fbbd5d3 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -16,8 +16,8 @@ android {
         applicationId = "com.rainy.token"
         minSdk = 31
         targetSdk = 35
-        versionCode = 31
-        versionName = "1.7.11"
+        versionCode = 32
+        versionName = "1.7.12"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
diff --git a/app/src/main/java/com/rainy/token/ui/webview/WebViewLoginViewModel.kt b/app/src/main/java/com/rainy/token/ui/webview/WebViewLoginViewModel.kt
index c946738..c7d13bf 100644
--- a/app/src/main/java/com/rainy/token/ui/webview/WebViewLoginViewModel.kt
+++ b/app/src/main/java/com/rainy/token/ui/webview/WebViewLoginViewModel.kt
@@ -59,6 +59,12 @@ class WebViewLoginViewModel @Inject constructor(
     private var workBuddyPollingJob: Job? = null
     /** WorkBuddy 当前基址（决定 auth state/token 用 CN 还是 INTL）。 */
     private var workBuddyBase = "https://copilot.tencent.com"
+    /** WorkBuddy 伪装头：Origin/Referer/Platform/UA 必须与官方客户端一致。 */
+    private var workBuddyOrigin = "https://www.codebuddy.cn"
+    private var workBuddyPlatform = "VSCode"
+    private var workBuddyUserAgent = "CLI/2.143.1 CodeBuddy/2.143.1"
+    /** WorkBuddy 授权等待超时：国内 5 分钟（扫码），INTL 15 分钟（邮箱/验证码/SSO）。 */
+    private var workBuddyPollTimeoutMs = 300_000L
 
     /** 目标账号（多账号服务）；null = 新建账号。 */
     private var accountId: String? = null
@@ -250,10 +256,26 @@ class WebViewLoginViewModel @Inject constructor(
     private fun bindWorkBuddy() {
         viewModelScope.launch {
             try {
-                workBuddyBase = if (region == "INTL") "https://www.workbuddy.ai" else "https://copilot.tencent.com"
+                if (region == "INTL") {
+                    workBuddyBase = "https://www.workbuddy.ai"
+                    workBuddyOrigin = "https://www.workbuddy.ai"
+                    workBuddyPlatform = "workbuddy-ai"
+                    workBuddyPollTimeoutMs = 900_000L
+                } else {
+                    workBuddyBase = "https://copilot.tencent.com"
+                    workBuddyOrigin = "https://www.codebuddy.cn"
+                    workBuddyPlatform = "VSCode"
+                    workBuddyPollTimeoutMs = 300_000L
+                }
+                workBuddyUserAgent = "CLI/2.143.1 CodeBuddy/2.143.1"
                 val request = Request.Builder()
-                    .url(workBuddyBase + "/v2/plugin/auth/state?platform=CLI")
-                    .addHeader("User-Agent", "CLI/2.63.2 CodeBuddy/2.63.2")
+                    .url(workBuddyBase + "/v2/plugin/auth/state?platform=" + workBuddyPlatform)
+                    .addHeader("User-Agent", workBuddyUserAgent)
+                    .addHeader("Origin", workBuddyOrigin)
+                    .addHeader("Referer", workBuddyOrigin + "/")
+                    .addHeader("X-Client-ID", "codebuddy-cli")
+                    .addHeader("X-Client-Version", "2.143.1")
+                    .addHeader("X-Product", "SaaS")
                     .addHeader("Content-Type", "application/json")
                     .post("{}".toRequestBody("application/json".toMediaTypeOrNull()))
                     .build()
@@ -290,16 +312,22 @@ class WebViewLoginViewModel @Inject constructor(
         }
     }
 
-    /** 每 2 秒轮询一次 token 接口，120 秒超时。 */
+    /** 每 2 秒轮询一次 token 接口，超时按站点 Profile（CN 5 分钟 / INTL 15 分钟）。 */
     private suspend fun pollWorkBuddyToken(state: String) {
-        val timeoutMs = 120_000L
+        val timeoutMs = workBuddyPollTimeoutMs
         val startTime = System.currentTimeMillis()
         while (System.currentTimeMillis() - startTime < timeoutMs) {
             if (_uiState.value.loginSucceeded) return
             try {
                 val request = Request.Builder()
                     .url(workBuddyBase + "/v2/plugin/auth/token?state=$state")
-                    .addHeader("User-Agent", "CLI/2.63.2 CodeBuddy/2.63.2")
+                    .addHeader("User-Agent", workBuddyUserAgent)
+                    .addHeader("Origin", workBuddyOrigin)
+                    .addHeader("Referer", workBuddyOrigin + "/")
+                    .addHeader("X-Client-ID", "codebuddy-cli")
+                    .addHeader("X-Client-Version", "2.143.1")
+                    .addHeader("X-Product", "SaaS")
+                    .addHeader("X-No-Authorization", "1")
                     .get()
                     .build()
                 val body = withContext(Dispatchers.IO) {