diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
index 44ab0fc58..58ac3ce1a 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
@@ -210,6 +210,9 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
                         series.SubjectId = incommand.SubjectId;
                         series.SubjectVisitId = incommand.SubjectVisitId;
 
+                        //前端传递的数量不准，上传的时候，把失败的也加进来了，以实际数组的数字为准
+                        series.InstanceCount = seriesItem.InstanceList.Count;
+
                         await _dicomSeriesRepository.AddAsync(series);
 
                         foreach (var instanceItem in seriesItem.InstanceList)