diff --git a/IRC.Core.SCP/Service/CStoreSCPService.cs b/IRC.Core.SCP/Service/CStoreSCPService.cs
index 4ed17cbef..07be5e61a 100644
--- a/IRC.Core.SCP/Service/CStoreSCPService.cs
+++ b/IRC.Core.SCP/Service/CStoreSCPService.cs
@@ -498,7 +498,9 @@ namespace IRaCIS.Core.SCP.Service
 
                         var newFragments = new DicomOtherByteFragment(DicomTag.PixelData);
 
-                        var newDataset = dicomFile.Dataset.Clone();
+                        var newDicomFile = dicomFile.Clone();
+
+                        var newDataset = newDicomFile.Dataset;
 
                         var dstPd = DicomPixelData.Create(newDataset, true);
 
@@ -569,16 +571,12 @@ namespace IRaCIS.Core.SCP.Service
                         #endregion
 
 
-
-
-                        // 替换原 PixelData
-                        dicomFile.Dataset.AddOrUpdate(DicomTag.PixelData, newFragments);
-
-                        //dicomFile.Dataset.AddOrUpdate(newFragments);
+                        dicomFile.Dataset.AddOrUpdate(newFragments);
 
 
                         // 重新保存 dicom 到流
                         ms.SetLength(0);
+
                         dicomFile.Save(ms);
                     }
                     //传递过来的就是拆分的，但是是没有偏移表的，我需要自己创建偏移表，不然生成缩略图失败