diff --git a/core/huya/app_login.py b/core/huya/app_login.py
index afe29d4..b638331 100644
--- a/core/huya/app_login.py
+++ b/core/huya/app_login.py
@@ -392,7 +392,17 @@ class HuyaAppPasswordLogin:
         self.device_info = device_info or get_profile(self.username, force_new=force_new_device)
 
     def login(self) -> HuyaLoginResult:
-        """执行完整 App 登录获取 Cookie 流程。"""
+        """执行完整 App 登录获取 Cookie 流程 (成功/失败均记录登录时间 → 设备绑定页)。"""
+        result = self._login_impl()
+        try:
+            from .device_profile import record_login
+            record_login(self.username, result.success, result.message)
+        except Exception:  # 元数据记录失败不影响登录结果
+            pass
+        return result
+
+    def _login_impl(self) -> HuyaLoginResult:
+        """登录主体 (原 login)。"""
         acct = self.username
         logger.info(f"[huya-app] 开始登录账号 {acct} (机型: {self.device_info.get('model')})...")
 
diff --git a/core/huya/device_profile.py b/core/huya/device_profile.py
index 07254a5..2d502c4 100644
--- a/core/huya/device_profile.py
+++ b/core/huya/device_profile.py
@@ -78,6 +78,23 @@ def generate_profile(model_pick=None) -> dict:
     }
 
 
+def record_login(account: str, ok: bool, message: str = "") -> None:
+    """记录该账号环境的一次登录结果 (最后登录时间/成败)。
+
+    幂等元数据: bound_at 只在首次出现时写入; 失败也记录 (设备绑定页要展示)。
+    供 app_login 登录流程调用, GUI 设备绑定页读取展示。
+    """
+    import time as _time
+    db = _load_db()
+    rec = db.get(account)
+    if rec is None:
+        return  # 尚无环境的账号 (纯 Cookie 导入) 不生成记录
+    now = int(_time.time())
+    rec.setdefault("bound_at", now)
+    rec["last_login"] = {"ok": bool(ok), "msg": str(message or "")[:120], "at": now}
+    _save_db(db)
+
+
 def _load_db() -> dict:
     if PRIMARY_PROFILE_DB.exists():
         try:
@@ -100,34 +117,35 @@ def _save_db(db: dict) -> None:
         pass
 
 
-def _enrich_profile(profile: dict) -> dict:
-    """补齐 dfp 一致性字段 (幂等): guid32 / Hebe_D1-D5。
+def _enrich_profile(profile: dict) -> tuple[dict, bool]:
+    """补齐 dfp 一致性字段 (幂等): guid32 / Hebe_D1-D5, 返回 (新画像, 是否有变更)。
 
     来源: R36 解密的真实 dfp 指纹 JSON 结构 (deviceinfo.guid + deviceinfo.Hebe_D1-D5)。
     一号一设备: 每账号独立生成后终身不变, 供后续真实载荷构建与 GUI 设备绑定页展示。
+    注意: 返回新字典 (不原地改), 调用方据此判断是否需要回写。
     """
+    out = dict(profile)
     changed = False
-    if not profile.get("guid32"):
-        profile["guid32"] = hashlib.sha256(os.urandom(16) + b"guid").hexdigest()
+    if not out.get("guid32"):
+        out["guid32"] = hashlib.sha256(os.urandom(16) + b"guid").hexdigest()
         changed = True
-    hebe = profile.get("hebe") or {}
-    if len(hebe) < 5:
-        profile["hebe"] = {f"Hebe_D{i}": hashlib.sha256(os.urandom(16) + f"hebe{i}".encode()).hexdigest()
-                           for i in range(1, 6)}
+    if len(out.get("hebe") or {}) < 5:
+        out["hebe"] = {f"Hebe_D{i}": hashlib.sha256(os.urandom(16) + f"hebe{i}".encode()).hexdigest()
+                       for i in range(1, 6)}
         changed = True
-    return profile if changed else profile
+    return out, changed
 
 
 def get_profile(account: str, force_new: bool = False) -> dict:
     """按账号获取或创建画像（幂等：同账号复用同一套, 自动补齐缺失一致性字段）。"""
     db = _load_db()
     if not force_new and account in db:
-        enriched = _enrich_profile(db[account])
-        if enriched is not db[account]:
+        enriched, changed = _enrich_profile(db[account])
+        if changed:
             db[account] = enriched
             _save_db(db)
         return enriched
-    p = _enrich_profile(generate_profile())
+    p, _ = _enrich_profile(generate_profile())
     db[account] = p
     _save_db(db)
     return p