diff --git a/ems-admin/src/main/java/com/xzzn/web/controller/ems/MqttMessageController.java b/ems-admin/src/main/java/com/xzzn/web/controller/ems/MqttMessageController.java
index 1f923b2..c7776c1 100644
--- a/ems-admin/src/main/java/com/xzzn/web/controller/ems/MqttMessageController.java
+++ b/ems-admin/src/main/java/com/xzzn/web/controller/ems/MqttMessageController.java
@@ -291,7 +291,7 @@ public class MqttMessageController implements MqttPublisher, MqttSubscriber {
                     batteryData.setDataTimestamp(new Date());
 
                     // ID字段
-                    batteryData.setSiteId(("021"));
+                    batteryData.setSiteId(("021_FXX_01"));
                     batteryData.setClusterDeviceId(("021"));
 
                     list.add(batteryData);