diff --git a/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/tplink/camera/service/impl/CameraInfoServiceImpl.java b/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/tplink/camera/service/impl/CameraInfoServiceImpl.java
index 31974367..98b4ed29 100644
--- a/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/tplink/camera/service/impl/CameraInfoServiceImpl.java
+++ b/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/tplink/camera/service/impl/CameraInfoServiceImpl.java
@@ -431,7 +431,9 @@ public class CameraInfoServiceImpl extends ServiceImpl<CameraInfoMapper, CameraI
     @Override
     public List<CameraInfoEntity> getCameraInfoList(CameraInfoEntity cameraInfoEntity) {
         CameraInfo cameraInfo = new CameraInfo();
-        BeanUtils.copyProperties(cameraInfoEntity, cameraInfo);
+        if(cameraInfoEntity != null){
+            BeanUtils.copyProperties(cameraInfoEntity, cameraInfo);
+        }
         List<CameraInfo> list = baseMapper.findAllList(cameraInfo);
         List<CameraInfoEntity> listDto = BeanUtil.copyToList(list, CameraInfoEntity.class);
         return listDto;