diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index 5c796aacf..d77bf36d3 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -1480,9 +1480,13 @@ namespace IRaCIS.Application.Services
             await _readingTableAnswerRowInfoRepository.UpdatePartialFromQueryAsync(x=> inDto.MergeRowIdList.Contains(x.Id), x => new ReadingTableAnswerRowInfo()
             {
                 MergeRowId=inDto.MergeMainRowId,
-				 = mark,
                 SplitOrMergeType = SplitOrMergeType.Merge,
             }) ;
+
+			await _readingTableAnswerRowInfoRepository.UpdatePartialFromQueryAsync(inDto.MergeMainRowId, x => new ReadingTableAnswerRowInfo()
+			{
+				SplitOrMergeType = SplitOrMergeType.MergeMain,
+			});
 			await _readingTableAnswerRowInfoRepository.SaveChangesAsync();
 
 			await this._readingCalculateService.CalculateTask(new CalculateTaskInDto()
diff --git a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
index 6040c46b6..06abbb00d 100644
--- a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
+++ b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
@@ -657,6 +657,11 @@ namespace IRaCIS.Core.Domain.Share
         /// 融合过 再之前任务融合了
         /// </summary>
 		Merged=3,
+
+		/// <summary>
+		/// 融合主病灶
+		/// </summary>
+		MergeMain = 4,
 	}
 
 	/// <summary>