diff --git a/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java b/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java
index 9defee72..de8412fa 100644
--- a/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java
+++ b/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java
@@ -211,6 +211,19 @@ public class ComparisonServiceImpl extends BaseService<ComparisonEntity, String>
               if (comparisonEntities != null && comparisonEntities.size() > 0) {
                   map = spliceMainMap(comparisonEntities, jsonObjectMain, map, comparisonEntity, comparisonDetailsEntity);
 
+                  //根据data_id判断数据是否已经保存在相关表中,避免重复保存
+                  List<String> fields = getFields(comparisonEntity);
+                  Map<String,Object> mapDataId=new HashMap<>();
+                  mapDataId.put("data_id",jsonObjectMain.getString("data_id"));
+                  ComparisonEntity comparisonDataId=new ComparisonEntity();
+                  comparisonDataId.setMap(mapDataId);
+                  comparisonDataId.setDbName(comparisonEntity.getDbName());
+                  comparisonDataId.setFields(fields);
+                  List<Map<String, Object>> listDataId = comparisonDao.queryComparisonPage(comparisonDataId);
+                  if(CollectionUtils.isNotEmpty(listDataId)){
+                      return BaseResult.getFailureMessageEntity(comparisonEntity.getDbName()+"表中已经存在data_id为:"+jsonObjectMain.getString("data_id")+"的数据");
+                  }
+
                   //判断输入的主表字段是否是必填项
                   for (ComparisonEntity entity : comparisonEntities) {
                       //如果必填字段不为空