diff --git a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
index dfc936450..0810dc8b5 100644
--- a/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Document/DTO/SystemDocumentViewModel.cs
@@ -109,6 +109,8 @@ namespace IRaCIS.Core.Application.Contracts
 
         public string Name { get; set; } = string.Empty;
 
+        public bool? IsSign { get; set; }
+
     }
 
     public class UserConfirmCommand
diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index 098f932fa..0527b640d 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -188,7 +188,9 @@ namespace IRaCIS.Core.Application.Services
 
             var unionQuery = systemDocumentQueryable.Union(trialDocQueryable)
                  .WhereIf(!string.IsNullOrEmpty(querySystemDocument.Name), t => t.Name.Contains(querySystemDocument.Name))
-                 .WhereIf(querySystemDocument.FileTypeId != null, t => t.FileTypeId == querySystemDocument.FileTypeId);
+                 .WhereIf(querySystemDocument.FileTypeId != null, t => t.FileTypeId == querySystemDocument.FileTypeId)
+                 .WhereIf(querySystemDocument.IsSign == true, t => t.ConfirmUserId != null)
+                 .WhereIf(querySystemDocument.IsSign == false, t => t.ConfirmUserId == null);
 
             return await unionQuery.ToPagedListAsync(querySystemDocument.PageIndex, querySystemDocument.PageSize, querySystemDocument.SortField, querySystemDocument.Asc);
         }