diff --git a/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceBJQBizService.java b/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceBJQBizService.java
index 591ed6ef..c62d89c3 100644
--- a/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceBJQBizService.java
+++ b/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceBJQBizService.java
@@ -537,6 +537,6 @@ public class DeviceBJQBizService {
 
     private boolean getDeviceStatus(String deviceImei) {
         String deviceOnlineStatusRedisKey = GlobalConstants.GLOBAL_REDIS_KEY+ DEVICE_KEY_PREFIX+ deviceImei + DeviceRedisKeyConstants.DEVICE_ONLINE_STATUS_KEY_PREFIX ;
-        return StringUtils.isBlank(deviceOnlineStatusRedisKey);
+        return RedisUtils.getCacheObject(deviceOnlineStatusRedisKey) == null;
     }
 }
diff --git a/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceXinghanBizService.java b/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceXinghanBizService.java
index 29b8374b..b6c950d7 100644
--- a/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceXinghanBizService.java
+++ b/fys-admin/src/main/java/com/fuyuanshen/web/service/device/DeviceXinghanBizService.java
@@ -361,7 +361,7 @@ public class DeviceXinghanBizService {
 
     private boolean getDeviceStatus(String deviceImei) {
         String deviceOnlineStatusRedisKey = GlobalConstants.GLOBAL_REDIS_KEY+ DEVICE_KEY_PREFIX+ deviceImei + DeviceRedisKeyConstants.DEVICE_ONLINE_STATUS_KEY_PREFIX ;
-        return StringUtils.isBlank(deviceOnlineStatusRedisKey);
+        return RedisUtils.getCacheObject(deviceOnlineStatusRedisKey)==null;
     }
 
 }