diff --git a/routes/openclaw_bot_routes.py b/routes/openclaw_bot_routes.py
index 8aae02a..900bfe2 100644
--- a/routes/openclaw_bot_routes.py
+++ b/routes/openclaw_bot_routes.py
@@ -8684,6 +8684,9 @@ def _handle_event_ignore_callback(data: str, cq: dict, chat_id, message_id) -> N
 @openclaw_bot_bp.route('/bot/telegram/webhook', methods=['POST'])
 def telegram_webhook():
     try:
+        # 每個 webhook request 先清空 ContextVar，避免同 worker thread 延用上一個 user。
+        _CURRENT_USER_ID_CTX.set(None)
+
         update = request.get_json(silent=True)
         if not update:
             return jsonify({'ok': True})
diff --git a/tests/test_openclaw_bot_routes_webhook.py b/tests/test_openclaw_bot_routes_webhook.py
index f493d48..c51eb5d 100644
--- a/tests/test_openclaw_bot_routes_webhook.py
+++ b/tests/test_openclaw_bot_routes_webhook.py
@@ -56,6 +56,18 @@ def test_openclaw_answer_variants_are_menu_wakeup():
     assert bot._looks_like_wakeup_prompt("你好") is True
 
 
+def test_webhook_clears_stale_user_context_at_request_start():
+    from routes import openclaw_bot_routes as bot
+
+    bot._CURRENT_USER_ID_CTX.set(999)
+
+    app = _build_request_app()
+    with app.test_request_context("/bot/telegram/webhook", method="POST", json=None):
+        bot.telegram_webhook()
+
+    assert bot._CURRENT_USER_ID_CTX.get() is None
+
+
 def test_menu_command_returns_full_main_menu_keyboard(monkeypatch):
     from routes import openclaw_bot_routes as bot
     from services.openclaw_bot import menu_keyboards