diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index 850cc30c1..a5aac2253 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -841,6 +841,21 @@ namespace IRaCIS.Core.Application.Services
 
             var result = await unionQuery.ToPagedListAsync(inQuery);
 
+            //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();
+            result.CurrentPageData.ForEach(x =>
+            {
+                if (sysDataList.Any(y => y.Id == x.Id))
+                {
+                    x.AttachmentCount = sysDataList.Where(y => y.Id == x.Id).Select(x => x.SystemDocumentAttachmentList.Count()).FirstOrDefault();
+                }
+
+
+
+            });
+
             #region 处理文档 需要签署的角色类型  和每个人的角色信息
 
             var trialDocIdList = result.CurrentPageData.Where(t => t.IsSystemDoc == false).Select(t => t.Id).ToList();