diff --git a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
index dd2a41d35..451dbb1f5 100644
--- a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
@@ -35,6 +35,8 @@ namespace IRaCIS.Core.Application.Contracts
         public bool OffLine { get; set; }
 
         public Guid SystemDocumentId { get; set; }
+
+        public DateTime UpdateTime { get; set; }
     }
 
     public class SystemDocumentAttachmentQuery : PageInput
@@ -397,6 +399,8 @@ namespace IRaCIS.Core.Application.Contracts
         public bool OffLine { get; set; }
 
         public Guid TrialDocumentId { get; set; }
+
+        public DateTime UpdateTime { get; set; }
     }
 
     public class TrialDocumentAttachmentQuery : PageInput
diff --git a/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs b/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
index efea64699..7f26fd19d 100644
--- a/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/SystemDocumentService.cs
@@ -60,6 +60,7 @@ namespace IRaCIS.Core.Application.Services
 
 
 
+            addOrEditSystemDocumentAttachment.UpdateTime = DateTime.Now;
             var entity = await _systemDocumentAttachmentRepository.InsertOrUpdateAsync(addOrEditSystemDocumentAttachment, true);
 
             return ResponseOutput.Ok(entity.Id.ToString());
diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index 8a44834a8..7e5197ce2 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -72,6 +72,7 @@ namespace IRaCIS.Core.Application.Services
         {
             //  在此处拷贝automapper 映射
 
+            addOrEditTrialDocumentAttachment.UpdateTime = DateTime.Now;
             var entity = await _trialDocumentAttachmentRepository.InsertOrUpdateAsync(addOrEditTrialDocumentAttachment, true);
 
             return ResponseOutput.Ok(entity.Id.ToString());