diff --git a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/service/impl/DocumentSplitServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/service/impl/DocumentSplitServiceImpl.java
index c6bbb197..415bc0f2 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/service/impl/DocumentSplitServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/service/impl/DocumentSplitServiceImpl.java
@@ -397,6 +397,8 @@ public class DocumentSplitServiceImpl implements IDocumentSplitService {
 
     @Override
     public void editDocumentSplitDetail(Map<String, Object> parameter) {
+        // 处理map参数null值转为“”
+        mapValueNullToString(parameter);
         // 查询全部字段列表
         List<LawsTag> fieldList = lawsCommonMapper.getFieldList(TableNameEnum.DOCUMENT_SPLIT.getTableName());
         // 编辑页展示的字段
@@ -451,6 +453,16 @@ public class DocumentSplitServiceImpl implements IDocumentSplitService {
         }
     }
 
+    private void mapValueNullToString(Map<String, Object> parameter) {
+        if (parameter!= null){
+            parameter.forEach((k, v) ->{
+                if (Objects.isNull(v)){
+                    parameter.put(k, "");
+                }
+            });
+        }
+    }
+
     private String articlesJoin(List<SarFileSplitItemsValEO> articlesList, String itemId) {
         StringBuilder valContent = new StringBuilder();
         int index = 0;
@@ -524,6 +536,7 @@ public class DocumentSplitServiceImpl implements IDocumentSplitService {
 
     @Override
     public void editBatchDocumentSplitDetail(Map<String, Object> parameter) {
+        mapValueNullToString(parameter);
         // 查询全部字段列表
         List<LawsTag> fieldList = lawsCommonMapper.getFieldList(TableNameEnum.DOCUMENT_SPLIT.getTableName());
         // 编辑页展示的字段