diff --git a/app/routers/edge_compat.py b/app/routers/edge_compat.py
index df2d765..0f67d49 100644
--- a/app/routers/edge_compat.py
+++ b/app/routers/edge_compat.py
@@ -176,47 +176,37 @@ async def edge_device_heartbeat(request: Request, _auth=Depends(_verify_edge_tok
 
 
 async def _resolve_card_update(alarm_id: str, resolve_type: str):
-    """边缘端 resolve 后异步处理：工单自动结单 + 更新卡片"""
+    """边缘端 resolve 后：调 IoT 自动结单，等 sync-status 回调更新告警+卡片"""
     try:
         from app.services.work_order_client import get_work_order_client
-        from app.services.wechat_service import get_wechat_service
         from app.models import get_session, AlarmEventExt
 
-        # 工单自动结单
         wo_client = get_work_order_client()
-        if wo_client.enabled:
-            db = get_session()
-            try:
-                ext = db.query(AlarmEventExt).filter(
-                    AlarmEventExt.alarm_id == alarm_id,
-                    AlarmEventExt.ext_type == "WORK_ORDER",
-                ).first()
-                order_id = ext.ext_data.get("order_id", "") if ext and ext.ext_data else ""
-            finally:
-                db.close()
-            if order_id:
-                remark_map = {
-                    "person_returned": "人员回岗自动关闭",
-                    "non_work_time": "非工作时间自动关闭",
-                    "intrusion_cleared": "入侵消失自动关闭",
-                }
-                remark = remark_map.get(resolve_type, f"边缘端自动结单: {resolve_type}")
-                success = await wo_client.auto_complete_order(order_id, remark)
-                if success:
-                    logger.info(f"IoT工单已自动结单，等待sync-status回调: alarm={alarm_id}, order={order_id}")
-                    return  # IoT 回调 sync-status 会更新告警+卡片
+        if not wo_client.enabled:
+            return
 
-        # 降级：直接更新企微卡片到终态
-        wechat = get_wechat_service()
-        if wechat.enabled:
-            response_code = wechat.get_response_code(alarm_id)
-            if response_code:
-                await wechat.update_alarm_card_terminal(
-                    response_code=response_code,
-                    user_ids=[],
-                    alarm_id=alarm_id,
-                    action="auto_resolve",
-                )
+        db = get_session()
+        try:
+            ext = db.query(AlarmEventExt).filter(
+                AlarmEventExt.alarm_id == alarm_id,
+                AlarmEventExt.ext_type == "WORK_ORDER",
+            ).first()
+            order_id = ext.ext_data.get("order_id", "") if ext and ext.ext_data else ""
+        finally:
+            db.close()
+
+        if order_id:
+            remark_map = {
+                "person_returned": "人员回岗自动关闭",
+                "non_work_time": "非工作时间自动关闭",
+                "intrusion_cleared": "入侵消失自动关闭",
+            }
+            remark = remark_map.get(resolve_type, f"边缘端自动结单: {resolve_type}")
+            success = await wo_client.auto_complete_order(order_id, remark)
+            if success:
+                logger.info(f"IoT工单已自动结单，等待回调: alarm={alarm_id}, order={order_id}")
+            else:
+                logger.warning(f"IoT自动结单失败: alarm={alarm_id}, order={order_id}")
 
     except Exception as e:
-        logger.error(f"边缘端resolve后处理失败: alarm={alarm_id}, error={e}", exc_info=True)
+        logger.error(f"边缘端resolve处理失败: alarm={alarm_id}, error={e}", exc_info=True)