diff --git a/ruoyi-service/src/main/java/com/ruoyi/iot/service/impl/IotReceiveServiceImpl.java b/ruoyi-service/src/main/java/com/ruoyi/iot/service/impl/IotReceiveServiceImpl.java
index 2be8e9b..f63212a 100644
--- a/ruoyi-service/src/main/java/com/ruoyi/iot/service/impl/IotReceiveServiceImpl.java
+++ b/ruoyi-service/src/main/java/com/ruoyi/iot/service/impl/IotReceiveServiceImpl.java
@@ -86,6 +86,7 @@ public class IotReceiveServiceImpl implements IotReceiveService {
                 }
                 BigDecimal oldLon = device.getLongitude();
                 BigDecimal oldLat = device.getLatitude();
+                LocalDateTime lastLocationTime = device.getLastLocationTime();
 
                 // 转为设备信息
                 log.info("收到sys数据：{}", msg.getValue());
@@ -94,7 +95,7 @@ public class IotReceiveServiceImpl implements IotReceiveService {
                 DeviceUtil.setIotSysInfo(device, sys, at);
 
                 // 处理设备定位BUG，若出现BUG则重启设备
-                int handle = this.handleDeviceLocationBug(device, at, oldLon, oldLat);
+                int handle = this.handleDeviceLocationBug(device, at, lastLocationTime, oldLon, oldLat);
                 if (handle == 1) {
                     return;
                 }
@@ -135,8 +136,8 @@ public class IotReceiveServiceImpl implements IotReceiveService {
      * 处理设备定位BUG
      * @param device
      */
-    private int handleDeviceLocationBug(DeviceVO device, LocalDateTime at, BigDecimal oldLon, BigDecimal oldLat) {
-        if (device == null || StringUtils.isBlank(device.getMac()) || device.getLastLocationTime() == null || at == null) {
+    private int handleDeviceLocationBug(DeviceVO device, LocalDateTime at, LocalDateTime lastLocationTime, BigDecimal oldLon, BigDecimal oldLat) {
+        if (device == null || StringUtils.isBlank(device.getMac()) || lastLocationTime == null || at == null) {
             return 0;
         }
         // 相差一分钟以上的消息不做处理
@@ -159,7 +160,7 @@ public class IotReceiveServiceImpl implements IotReceiveService {
                 oldLon.setScale(8, RoundingMode.HALF_UP),
                 oldLat.setScale(8, RoundingMode.HALF_UP)
             );
-            if (at.isAfter(device.getLastLocationTime()) && MathUtils.equalsFixed(device.getLongitude(), oldLon, 8) && MathUtils.equalsFixed(device.getLatitude(), oldLat, 8)) {
+            if (at.isAfter(lastLocationTime) && MathUtils.equalsFixed(device.getLongitude(), oldLon, 8) && MathUtils.equalsFixed(device.getLatitude(), oldLat, 8)) {
                 String reason = String.format("设备不同时间的两次定位一样，重启设备。新定位：%s,%s，旧定位：%s,%s", device.getLongitude(), device.getLatitude(), oldLon, oldLat);
                 deviceIotService.reboot(device, reason, true);
                 return 1;