diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/DefectiveChildServiceImpl.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/DefectiveChildServiceImpl.java
index 5d85928..db20c5d 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/DefectiveChildServiceImpl.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/DefectiveChildServiceImpl.java
@@ -95,6 +95,7 @@ public class DefectiveChildServiceImpl implements DefectiveChildService {
         if (StringUtils.isEmpty(id)) {
             return new BaseResponse("参数缺失", ErrorCodeConstants.PARAMETER_ERROR);
         }
+        model.setCreated(null);
         Query query = Query.query(Criteria.where("id").is(param.getId()));
         Update update = MongoConvertHelper
                 .convertToNativeUpdate(ReflectionUtils.getUpdateField(param));