diff --git a/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/controller/device/DeviceController.java b/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/controller/device/DeviceController.java
index fa82a20..2081350 100644
--- a/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/controller/device/DeviceController.java
+++ b/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/controller/device/DeviceController.java
@@ -72,8 +72,6 @@ public class DeviceController {
 
         return mono.defaultIfEmpty(new DeviceInfoEntity()).flatMap(entity -> {
             if(entity.getId() == null){
-
-                entity = new DeviceInfoEntity();
                 entity.setWifiMac(wifiMac);
                 entity.setBtMac(btMac);
                 entity.setBatchId(1l);