diff --git a/app/services/wechat_service.py b/app/services/wechat_service.py
index d35994d..a1bca60 100644
--- a/app/services/wechat_service.py
+++ b/app/services/wechat_service.py
@@ -69,9 +69,9 @@ class WeChatService:
         return int(self._agent_id) if self._agent_id else 0
 
     def _alarm_detail_url(self, alarm_id: str) -> str:
-        """构造告警详情页 URL"""
+        """构造 H5 工单详情页 URL"""
         if self._service_base_url:
-            return f"{self._service_base_url}/aiot/alarm/list?alarmId={alarm_id}"
+            return f"{self._service_base_url}/work-order?alarmId={alarm_id}"
         return ""
 
     async def _get_access_token(self) -> str:
@@ -340,13 +340,17 @@ class WeChatService:
                     "card_type": "button_interaction",
                     "task_id": alarm_id,
                     "source": {
-                        "desc": "AI安防告警 - 处理中",
+                        "desc": "AI安防工单 - 处理中",
                         "desc_color": 1,
                     },
                     "main_title": {
                         "title": f"已接单 - {operator_name}" if operator_name else "已接单",
                     },
-                    "sub_title_text": "请完成处理后选择操作",
+                    "sub_title_text": "请点击卡片进入详情页提交处理结果",
+                    "card_action": {
+                        "type": 1,
+                        "url": self._alarm_detail_url(alarm_id) or "https://work.weixin.qq.com",
+                    },
                     "button_list": [
                         {
                             "text": "已处理完成",