diff --git a/fys-modules/fys-equipment/src/main/java/com/fuyuanshen/equipment/service/impl/DeviceServiceImpl.java b/fys-modules/fys-equipment/src/main/java/com/fuyuanshen/equipment/service/impl/DeviceServiceImpl.java
index 2cfe856..1c6433a 100644
--- a/fys-modules/fys-equipment/src/main/java/com/fuyuanshen/equipment/service/impl/DeviceServiceImpl.java
+++ b/fys-modules/fys-equipment/src/main/java/com/fuyuanshen/equipment/service/impl/DeviceServiceImpl.java
@@ -564,7 +564,8 @@ public class DeviceServiceImpl extends ServiceImpl<DeviceMapper, Device> impleme
 //        String mode = deviceType.getCommunicationMode();
         UpdateWrapper<Device> deviceUpdateWrapper = new UpdateWrapper<>();
         deviceUpdateWrapper.eq("id", device.getId())
-                .set("binding_status", BindingStatusEnum.UNBOUND.getCode());
+                .set("binding_status", BindingStatusEnum.UNBOUND.getCode())
+                .set("binding_user_id", null);
         return baseMapper.update(null, deviceUpdateWrapper);
     }