diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
index f07834ded..c789e3de7 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
@@ -382,9 +382,11 @@ public class ProjectLawsInventoryEOServiceImpl extends ServiceImpl<ProjectLawsIn
 			QueryWrapper<ProjectLawsInventoryEO> queryWrapper = new QueryWrapper<>();
 			List<ProjectLawsInventoryEO> dataList = list(queryWrapper.eq("id", projectLawsInventoryEO.getId()));
 			List<ProjectLawsInventoryEO> dataListCopy = DeepCopyListUtil.depCopy(dataList);
-
+			LambdaUpdateWrapper<ProjectLawsInventoryEO> updateWrapper = new LambdaUpdateWrapper<>();
+			setDateNull(projectLawsInventoryEO, updateWrapper);
 			//保存
-			saveOrUpdate(projectLawsInventoryEO);
+			this.update(projectLawsInventoryEO,updateWrapper);
+//			saveOrUpdate(projectLawsInventoryEO);
 
 			//翻译-中文
 			translateData(infoEOList);
@@ -412,6 +414,24 @@ public class ProjectLawsInventoryEOServiceImpl extends ServiceImpl<ProjectLawsIn
 		}
 	}
 
+	private void setDateNull(ProjectLawsInventoryEO projectLawsInventoryEO, LambdaUpdateWrapper<ProjectLawsInventoryEO> updateWrapper) {
+		if(ObjectUtils.isEmpty(projectLawsInventoryEO.getXin1Che1Xing2Shi2Shi1Ri4Qi1())){
+			updateWrapper.set(ProjectLawsInventoryEO::getXin1Che1Xing2Shi2Shi1Ri4Qi1,null);
+		}
+		if(ObjectUtils.isEmpty(projectLawsInventoryEO.getImplementTime())){
+			updateWrapper.set(ProjectLawsInventoryEO::getImplementTime,null);
+		}
+		if(ObjectUtils.isEmpty(projectLawsInventoryEO.getDesignDueDate())){
+			updateWrapper.set(ProjectLawsInventoryEO::getDesignDueDate,null);
+		}
+		if(ObjectUtils.isEmpty(projectLawsInventoryEO.getPrehomoDueDate())){
+			updateWrapper.set(ProjectLawsInventoryEO::getPrehomoDueDate,null);
+		}
+		if(ObjectUtils.isEmpty(projectLawsInventoryEO.getVerifyDueDate())){
+			updateWrapper.set(ProjectLawsInventoryEO::getVerifyDueDate,null);
+		}
+	}
+
 	/**
 	 * 更新流程信息
 	 * @param projectLawsInventoryEO