diff --git a/gateway/scripts/dashboard.py b/gateway/scripts/dashboard.py
index 3b9384b..efab076 100644
--- a/gateway/scripts/dashboard.py
+++ b/gateway/scripts/dashboard.py
@@ -565,6 +565,21 @@ PLATFORM_SERVICES = [
 ]
 
 
+def _docker_session_failed():
+    """Check docker logs for recent loginCheck errors (WeChat session expired silently)."""
+    try:
+        dr = subprocess.run(
+            ["docker", "logs", "wxBotWebhook", "--since", "15m"],
+            capture_output=True, text=True, timeout=5
+        )
+        logs = dr.stdout + dr.stderr
+        err_lines = [l for l in logs.split("\n") if "loginCheck" in l and "Error" in l]
+        return len(err_lines) >= 3
+    except Exception:
+        return False
+    return False
+
+
 def _docker_login_check():
     """Check docker logs for recent WeChat login. Returns datetime or None."""
     try:
@@ -648,6 +663,28 @@ def _augment_wechat_status(entry):
         if last_logout:
             logout_dt = datetime.strptime(last_logout, "%Y-%m-%d %H:%M:%S")
 
+        # ═══ 新增: 检测"正在等待扫码"状态 ═══
+        # 如果 docker 日志最近显示二维码, 说明未登录等待扫码, 优先判定
+        try:
+            _dr = subprocess.run(
+                ["docker", "logs", "wxBotWebhook", "--since", "5m"],
+                capture_output=True, text=True, timeout=5
+            )
+            _dlogs = _dr.stdout + _dr.stderr
+            _showing_qr = ("扫描以下二维码" in _dlogs) or ("Access the URL to login" in _dlogs)
+            _login_err = _dlogs.count("loginCheck") >= 2
+        except Exception:
+            _showing_qr = False
+            _login_err = False
+        if _showing_qr or _login_err:
+            entry["login_ok"] = False
+            entry["status"] = "logged_out"
+            entry["message"] = "等待扫码登录" if _showing_qr else "会话失效(loginCheck错误)"
+            entry["qr_url"] = entry.get("qr_url") or ""
+            _done_flag = True
+        else:
+            _done_flag = False
+
         # Check docker logs for recent login (catches fresh logins before webhook sees them)
         # Check webhook log for login event
         login_dt = None
@@ -657,8 +694,15 @@ def _augment_wechat_status(entry):
             except ValueError:
                 pass
         dlogin_dt = _docker_login_check()
+        # Session-failed: loginCheck errors = WeChat session expired silently
+        if _docker_session_failed():
+            entry["login_ok"] = False
+            entry["message"] = "会话失效(loginCheck错误)"
+            entry["status"] = "logged_out"
         # Logout is the most authoritative signal: if logout happened after the last login, session is dead
-        if logout_dt and login_dt and logout_dt > login_dt:
+        if _done_flag:
+            pass
+        elif logout_dt and login_dt and logout_dt > login_dt:
             entry["login_ok"] = False
             h = round((now - logout_dt).total_seconds() / 3600, 1)
             entry["message"] = "已掉线" if h < 1 else f"已掉线 {h:.0f}h"
@@ -1770,6 +1814,27 @@ def api_wechat_status():
     except Exception as e:
         result["message"] = f"QR page fetch failed: {e}"
 
+    # 3a. 优先检测: docker 日志是否正在显示登录二维码 (未登录等待扫码)
+    try:
+        _dr = subprocess.run(
+            ["docker", "logs", "wxBotWebhook", "--since", "5m"],
+            capture_output=True, text=True, timeout=5
+        )
+        _dlogs = _dr.stdout + _dr.stderr
+        _showing_qr = ("扫描以下二维码" in _dlogs) or ("Access the URL to login" in _dlogs)
+        _login_err = _dlogs.count("loginCheck") >= 2
+    except Exception:
+        _showing_qr = False
+        _login_err = False
+    if _showing_qr:
+        result["online"] = False
+        result["message"] = "等待扫码登录"
+        return jsonify(result)
+    if _login_err:
+        result["online"] = False
+        result["message"] = "会话失效(loginCheck错误)"
+        return jsonify(result)
+
     # 3. Check login status from webhook log (last WeChat send)
     webhook_log = str(_GATEWAY_DIR / "linux" / "logs" / "webhook.log")
     try:
@@ -1821,6 +1886,10 @@ def api_wechat_status():
 
     # Check docker logs for recent login
     dlogin_dt = _docker_login_check()
+    # Session-failed: loginCheck errors = WeChat session expired silently
+    if _docker_session_failed():
+        result["online"] = False
+        result["message"] = "会话失效(loginCheck错误)"
     # Check webhook login event
     login_dt = None
     if result.get("last_login_at"):