diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index 27fc19428..850cc30c1 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -804,7 +804,6 @@ namespace IRaCIS.Core.Application.Services
                select new UnionDocumentWithConfirmInfoView()
                {
                    IsSystemDoc = true,
-
                    Id = sysDoc.Id,
                    CreateTime = sysDoc.CreateTime,
                    IsDeleted = sysDoc.IsDeleted,
@@ -855,9 +854,19 @@ namespace IRaCIS.Core.Application.Services
 
             var identityUserUserTypeList = _identityUserRepository.Where(t => identityUserIdList.Contains(t.Id)).IgnoreQueryFilters().Select(t => new { IdentityUserId = t.Id, UserTypeList = t.UserRoleList.Where(t => t.IsUserRoleDisabled == false).Select(c => c.UserTypeRole.UserTypeShortName).ToList() });
 
+            //Concat 不能用导航属性
+            var sysids = result.CurrentPageData.Where(t => t.IsSystemDoc == true).Select(t => t.Id).ToList();
 
+            var sysDataList = await _systemDocumentRepository.Where(x => sysids.Contains(x.Id)).Include(x => x.SystemDocumentAttachmentList).ToListAsync();
+         
             foreach (var item in result.CurrentPageData)
             {
+
+                if (sysDataList.Any(y => y.Id == item.Id))
+                {
+                    item.AttachmentCount = sysDataList.Where(y => y.Id == item.Id).Select(x => x.SystemDocumentAttachmentList.Count()).FirstOrDefault();
+                }
+
                 if (item.IsSystemDoc)
                 {
                     item.DocNeedSignUserTypeList = sysDocUserTypeList.Where(t => t.SystemDocumentId == item.Id).Select(t => t.UserTypeShortName).ToList();