diff --git a/electripper-system/src/main/java/com/ruoyi/system/mapper/EtLocationLogMapper.java b/electripper-system/src/main/java/com/ruoyi/system/mapper/EtLocationLogMapper.java
index 079ee04..6837fb3 100644
--- a/electripper-system/src/main/java/com/ruoyi/system/mapper/EtLocationLogMapper.java
+++ b/electripper-system/src/main/java/com/ruoyi/system/mapper/EtLocationLogMapper.java
@@ -76,4 +76,10 @@ public interface EtLocationLogMapper
      */
     int deleteLocationLogByCreateTime();
 
+    /**
+     * 获取最后一条消息
+     *
+     * @return 结果
+     */
+    String getLastMsg(String mac);
 }
diff --git a/electripper-system/src/main/java/com/ruoyi/system/task/EtTask.java b/electripper-system/src/main/java/com/ruoyi/system/task/EtTask.java
index 1e9718e..3e444b1 100644
--- a/electripper-system/src/main/java/com/ruoyi/system/task/EtTask.java
+++ b/electripper-system/src/main/java/com/ruoyi/system/task/EtTask.java
@@ -549,9 +549,11 @@ public class EtTask {
             log.info("logEntry转换后的对象: logEntry---【{}】" , JSON.toJSONString(logEntry));
             LogEntry.LocationValue value = logEntry.getValue();
             AsDevice device = asDeviceMapper.selectAsDeviceByMac(logEntry.getDevName());
-            log.info("device: sn={},【{}】",device.getSn() , JSON.toJSONString(device));
-            if(ServiceConstants.LOCK_STATUS_OPEN.equals(device.getLockStatus()) && device.getStatus().equals(ServiceConstants.VEHICLE_STATUS_IN_USING)){
-                updateLocationHandle(msg, logEntry, value, device);
+            if(!isRepeatMsg(msg,logEntry.getDevName())){
+                log.info("device: sn={},【{}】",device.getSn() , JSON.toJSONString(device));
+                if(ServiceConstants.LOCK_STATUS_OPEN.equals(device.getLockStatus()) && device.getStatus().equals(ServiceConstants.VEHICLE_STATUS_IN_USING)){
+                    updateLocationHandle(msg, logEntry, value, device);
+                }
             }
         }
         // 计算执行时间（以毫秒为单位）
@@ -559,6 +561,16 @@ public class EtTask {
         log.info("-------------------【定时任务10秒一次】更新设备的定位和电压----结束---------------"+duration+ " 毫秒");
     }
 
+    private boolean isRepeatMsg(String msg,String mac){
+        // 获取最后一条消息
+        String lastMsg = etLocationLogMapper.getLastMsg(mac);
+        if(ObjectUtil.isNotNull(lastMsg) && msg.equals(lastMsg)){
+            return true;
+        }else{
+            return false;
+        }
+    }
+
     /**
      *  更新设备的定位和电压 5分钟一次
      *  cron: 0 20 0 * * ?
diff --git a/electripper-system/src/main/resources/mapper/system/EtLocationLogMapper.xml b/electripper-system/src/main/resources/mapper/system/EtLocationLogMapper.xml
index 7193ae7..6450e06 100644
--- a/electripper-system/src/main/resources/mapper/system/EtLocationLogMapper.xml
+++ b/electripper-system/src/main/resources/mapper/system/EtLocationLogMapper.xml
@@ -51,6 +51,14 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where location_id = #{locationId}
     </select>
 
+    <select id="getLastMsg" resultType="java.lang.String">
+        SELECT onenet_msg
+        FROM et_location_log
+        WHERE mac = #{mac}
+        ORDER BY create_time DESC
+            LIMIT 1
+    </select>
+
     <insert id="insertEtLocationLog" parameterType="EtLocationLog" useGeneratedKeys="true" keyProperty="locationId">
         insert into et_location_log
         <trim prefix="(" suffix=")" suffixOverrides=",">