增加判空

tuoheng-admin/src/main/java/com/tuoheng/admin/service/camera/CameraServiceImpl.java

@@ -108,7 +108,9 @@ public class CameraServiceImpl extends BaseServiceImpl<CameraMapper, Camera> imp
                 .orderByDesc(Camera::getCreateTime));
         for (Camera record : pageData.getRecords()) {
             User user = userMapper.selectById(record.getUpdateUser());
-            record.setUpdateUserName(user.getRealname());
+            if(ObjectUtil.isNotNull(user)){
+                record.setUpdateUserName(user.getRealname());
+            }
 
         }