diff --git a/electripper-common/src/main/java/com/ruoyi/common/constant/IotConstants.java b/electripper-common/src/main/java/com/ruoyi/common/constant/IotConstants.java
index d4541ed..e9ec82b 100644
--- a/electripper-common/src/main/java/com/ruoyi/common/constant/IotConstants.java
+++ b/electripper-common/src/main/java/com/ruoyi/common/constant/IotConstants.java
@@ -56,6 +56,11 @@ public class IotConstants {
      */
     public static final String COMMAND_SUB = "sub";
 
+    /**
+     * 命令  发送低电压预警设置
+     */
+    public static final String COMMAND_BAT = "bat";
+
     /**
      * 命令  超出营运区（禁行区）断电，不进行轮动检测
      */
diff --git a/electripper-system/src/main/java/com/ruoyi/system/service/impl/EtModelServiceImpl.java b/electripper-system/src/main/java/com/ruoyi/system/service/impl/EtModelServiceImpl.java
index 6be249a..212af84 100644
--- a/electripper-system/src/main/java/com/ruoyi/system/service/impl/EtModelServiceImpl.java
+++ b/electripper-system/src/main/java/com/ruoyi/system/service/impl/EtModelServiceImpl.java
@@ -5,15 +5,20 @@ import java.util.List;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.ruoyi.common.constant.IotConstants;
 import com.ruoyi.common.utils.DateUtils;
+import com.ruoyi.common.utils.onenet.Token;
 import com.ruoyi.system.domain.AsDevice;
 import com.ruoyi.system.mapper.AsDeviceMapper;
 import com.ruoyi.system.service.IAsDeviceService;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import com.ruoyi.system.mapper.EtModelMapper;
 import com.ruoyi.system.domain.EtModel;
 import com.ruoyi.system.service.IEtModelService;
+import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
 
@@ -23,6 +28,7 @@ import javax.annotation.Resource;
  * @author 邱贞招
  * @date 2024-05-13
  */
+@Slf4j
 @Service
 public class EtModelServiceImpl implements IEtModelService
 {
@@ -74,11 +80,26 @@ public class EtModelServiceImpl implements IEtModelService
      * @param etModel 车辆型号
      * @return 结果
      */
+    @SneakyThrows
     @Override
+    @Transactional
     public int insertEtModel(EtModel etModel)
     {
         etModel.setCreateTime(DateUtils.getNowDate());
-        return etModelMapper.insertEtModel(etModel);
+        int i = etModelMapper.insertEtModel(etModel);
+        // 发送设置低电压命令
+        Integer lowBatteryReminder = etModel.getLowBatteryReminder();
+        if(ObjectUtil.isNotNull(lowBatteryReminder) && lowBatteryReminder > 0){
+            AsDevice device = new AsDevice();
+            device.setModelId(etModel.getModelId());
+            List<AsDevice> asDevices = asDeviceService.selectAsDeviceList(device);
+            for(AsDevice asDevice: asDevices){
+                String lowVoltageCommand = IotConstants.COMMAND_BAT + lowBatteryReminder * 10 + "@";
+                log.info("发送低电压命令：" + lowVoltageCommand);
+                asDeviceService.sendCommand(asDevice.getMac(), Token.getToken(), lowVoltageCommand,"发送低电压播报");
+            }
+        }
+        return i;
     }
 
     /**
@@ -87,11 +108,26 @@ public class EtModelServiceImpl implements IEtModelService
      * @param etModel 车辆型号
      * @return 结果
      */
+    @SneakyThrows
     @Override
+    @Transactional
     public int updateEtModel(EtModel etModel)
     {
         etModel.setUpdateTime(DateUtils.getNowDate());
-        return etModelMapper.updateEtModel(etModel);
+        int i = etModelMapper.updateEtModel(etModel);
+        // 发送设置低电压命令
+        Integer lowBatteryReminder = etModel.getLowBatteryReminder();
+        if(ObjectUtil.isNotNull(lowBatteryReminder) && lowBatteryReminder > 0){
+            AsDevice device = new AsDevice();
+            device.setModelId(etModel.getModelId());
+            List<AsDevice> asDevices = asDeviceService.selectAsDeviceList(device);
+            for(AsDevice asDevice: asDevices){
+                String lowVoltageCommand = IotConstants.COMMAND_BAT + lowBatteryReminder * 10 + "@";
+                log.info("发送低电压命令：" + lowVoltageCommand);
+                asDeviceService.sendCommand(asDevice.getMac(), Token.getToken(), lowVoltageCommand,"发送低电压播报");
+            }
+        }
+        return i;
     }
 
     /**