diff --git a/app/routers/yudao_aiot_alarm.py b/app/routers/yudao_aiot_alarm.py
index 9483551..5371419 100644
--- a/app/routers/yudao_aiot_alarm.py
+++ b/app/routers/yudao_aiot_alarm.py
@@ -246,9 +246,37 @@ async def handle_alert(
     if not alarm:
         raise HTTPException(status_code=404, detail="告警不存在")
 
+    # 终态操作（CLOSED/FALSE）同步更新企微卡片
+    if alarmStatus in ("CLOSED", "FALSE"):
+        action = "complete" if alarmStatus == "CLOSED" else "false"
+        asyncio.create_task(_sync_wechat_card_terminal(alarm_id, action, handler))
+
     return YudaoResponse.success(True)
 
 
+async def _sync_wechat_card_terminal(alarm_id: str, action: str, operator: str):
+    """前端处理/误报后，异步同步企微卡片到终态"""
+    try:
+        from app.services.wechat_service import get_wechat_service
+        wechat = get_wechat_service()
+        if not wechat.enabled:
+            return
+        response_code = wechat.get_response_code(alarm_id)
+        if not response_code:
+            logger.debug(f"告警 {alarm_id} 无企微卡片 response_code，跳过卡片更新")
+            return
+        await wechat.update_alarm_card_terminal(
+            response_code=response_code,
+            user_ids=[],
+            alarm_id=alarm_id,
+            action=action,
+            operator_name=operator,
+        )
+        logger.info(f"前端操作同步企微卡片: alarm={alarm_id}, action={action}")
+    except Exception as e:
+        logger.error(f"同步企微卡片失败: alarm={alarm_id}, error={e}", exc_info=True)
+
+
 @router.delete("/alert/delete")
 async def delete_alert(
     alarmId: Optional[str] = Query(None, description="告警ID"),